// Copyright 2017 The Bazel Authors. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//    http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package com.google.devtools.build.lib.rules.android;

import static com.google.common.base.Verify.verifyNotNull;
import static com.google.common.truth.Truth.assertThat;
import static com.google.common.truth.Truth.assertWithMessage;
import static com.google.devtools.build.lib.actions.util.ActionsTestUtil.prettyArtifactNames;
import static com.google.devtools.build.lib.rules.java.JavaCompileActionTestHelper.getClasspath;
import static com.google.devtools.build.lib.rules.java.JavaCompileActionTestHelper.getCompileTimeDependencyArtifacts;
import static com.google.devtools.build.lib.rules.java.JavaCompileActionTestHelper.getDirectJars;
import static com.google.devtools.build.lib.rules.java.JavaCompileActionTestHelper.getJavacArguments;
import static com.google.devtools.build.lib.rules.java.JavaCompileActionTestHelper.getProcessorpath;
import static com.google.devtools.build.lib.rules.java.JavaCompileActionTestHelper.getStrictJavaDepsMode;

import com.google.common.base.Function;
import com.google.common.base.Joiner;
import com.google.common.base.Splitter;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.Iterables;
import com.google.common.collect.Lists;
import com.google.devtools.build.lib.actions.Action;
import com.google.devtools.build.lib.actions.Artifact;
import com.google.devtools.build.lib.actions.util.ActionsTestUtil;
import com.google.devtools.build.lib.analysis.ConfiguredTarget;
import com.google.devtools.build.lib.analysis.OutputGroupInfo;
import com.google.devtools.build.lib.analysis.actions.FileWriteAction;
import com.google.devtools.build.lib.analysis.actions.SpawnAction;
import com.google.devtools.build.lib.analysis.config.CoreOptionConverters.StrictDepsMode;
import com.google.devtools.build.lib.analysis.configuredtargets.FileConfiguredTarget;
import com.google.devtools.build.lib.analysis.configuredtargets.OutputFileConfiguredTarget;
import com.google.devtools.build.lib.analysis.configuredtargets.RuleConfiguredTarget;
import com.google.devtools.build.lib.cmdline.Label;
import com.google.devtools.build.lib.cmdline.RepositoryName;
import com.google.devtools.build.lib.collect.nestedset.NestedSet;
import com.google.devtools.build.lib.rules.android.AndroidLibraryAarInfo.Aar;
import com.google.devtools.build.lib.rules.java.JavaCompilationArgsProvider;
import com.google.devtools.build.lib.rules.java.JavaCompilationInfoProvider;
import com.google.devtools.build.lib.rules.java.JavaCompileAction;
import com.google.devtools.build.lib.rules.java.JavaInfo;
import com.google.devtools.build.lib.rules.java.JavaRuleOutputJarsProvider;
import com.google.devtools.build.lib.rules.java.JavaSemantics;
import com.google.devtools.build.lib.testutil.TestConstants;
import com.google.devtools.build.lib.vfs.PathFragment;
import java.util.Arrays;
import java.util.List;
import java.util.Set;
import java.util.stream.StreamSupport;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;

/** Tests for {@link AndroidLibrary}. */
@RunWith(JUnit4.class)
public class AndroidLibraryTest extends AndroidBuildViewTestCase {

  @Before
  public void setupCcToolchain() throws Exception {
    getAnalysisMock().ccSupport().setupCcToolchainConfigForCpu(mockToolsConfig, "armeabi-v7a");
  }

  @Test
  public void testSimpleLibrary() throws Exception {
    scratch.file("java/android/BUILD", "android_library(name = 'a', srcs = ['A.java'])");
    getConfiguredTarget("//java/android:a");
  }

  @Test
  public void testBaselineCoverageArtifacts() throws Exception {
    useConfiguration("--collect_code_coverage");
    ConfiguredTarget target =
        scratchConfiguredTarget(
            "java/a",
            "a",
            "android_library(",
            "    name='a',",
            "    srcs=['A.java'],",
            "    deps=[':b'],",
            ")",
            "android_library(",
            "    name='b',",
            "    srcs=['B.java'],",
            ")");

    assertThat(baselineCoverageArtifactBasenames(target)).containsExactly("A.java", "B.java");
  }

  // regression test for #3169099
  @Test
  public void testLibrarySrcs() throws Exception {
    scratch.file("java/srcs/a.foo", "foo");
    scratch.file(
        "java/srcs/BUILD",
        """
        android_library(
            name = "valid",
            srcs = [
                "a.java",
                "b.srcjar",
                ":gmix",
                ":gvalid",
            ],
        )

        android_library(
            name = "invalid",
            srcs = [
                "a.foo",
                ":ginvalid",
            ],
        )

        android_library(
            name = "mix",
            srcs = [
                "a.foo",
                "a.java",
            ],
        )

        genrule(
            name = "gvalid",
            srcs = ["a.java"],
            outs = ["b.java"],
            cmd = "",
        )

        genrule(
            name = "ginvalid",
            srcs = ["a.java"],
            outs = ["b.foo"],
            cmd = "",
        )

        genrule(
            name = "gmix",
            srcs = ["a.java"],
            outs = [
                "c.java",
                "c.foo",
            ],
            cmd = "",
        )
        """);
    assertSrcsValidityForRuleType("//java/srcs", "android_library", ".java or .srcjar");
  }

  // regression test for #3169095
  @Test
  public void testXmbInSrcsDoesNotThrow() throws Exception {
    reporter.removeHandler(failFastHandler);
    scratchConfiguredTarget("java/xmb", "a", "android_library(name = 'a', srcs = ['a.xmb'])");
  }

  @Test
  public void testSlashInIdlImportRoot() throws Exception {
    scratchConfiguredTarget(
        "java/com/google/android",
        "avocado",
        "android_library(",
        "    name = 'avocado',",
        "    idl_parcelables = ['tropical/fruit/Avocado.aidl'],",
        "    idl_import_root = 'tropical/fruit',",
        ")");
  }

  @Test
  public void testAndroidLibraryWithIdlImportAndNoIdls() throws Exception {
    checkError(
        "java/com/google/android",
        "lib",
        "Neither idl_srcs nor idl_parcelables were specified, "
            + "but 'idl_import_root' attribute was set",
        "android_library(",
        "    name = 'lib',",
        "    srcs = ['Dummy.java'],",
        "    idl_import_root = 'src',",
        ")");
  }

  @Test
  public void testAndroidLibraryWithIdlImportAndIdlSrcs() throws Exception {
    scratchConfiguredTarget(
        "java/com/google/android",
        "lib",
        "android_library(",
        "    name = 'lib',",
        "    idl_srcs = ['Dummy.aidl'],",
        "    idl_import_root = 'src',",
        ")");
  }

  @Test
  public void testAndroidLibraryWithIdlImportAndIdlParcelables() throws Exception {
    scratchConfiguredTarget(
        "java/com/google/android",
        "lib",
        "android_library(",
        "    name = 'lib',",
        "    idl_parcelables = ['src/android/DummyParcelable.aidl'],",
        "    idl_import_root = 'src',",
        ")");
  }

  @Test
  public void testAndroidLibraryWithIdlImportAndBothIdlTypes() throws Exception {
    scratchConfiguredTarget(
        "java/com/google/android",
        "lib",
        "android_library(",
        "    name = 'lib',",
        "    idl_srcs = ['src/android/Dummy.aidl'],",
        "    idl_parcelables = ['src/android/DummyParcelable.aidl'],",
        "    idl_import_root = 'src',",
        ")");
  }

  @Test
  public void testAndroidLibraryWithIdlImportAndEmptyLists() throws Exception {
    scratchConfiguredTarget(
        "java/com/google/android",
        "lib",
        "android_library(",
        "    name = 'lib',",
        "    idl_srcs = [],",
        "    idl_parcelables = [],",
        "    idl_import_root = 'src',",
        ")");
  }

  @Test
  public void testAndroidLibraryWithIdlPreprocessed() throws Exception {
    scratchConfiguredTarget(
        "java/com/google/android",
        "lib",
        "android_library(",
        "    name = 'lib',",
        "    idl_srcs = ['src/android/Dummy.aidl'],",
        "    idl_preprocessed = ['src/android/DummyParcelable.aidl'],",
        ")");
  }

  @Test
  public void testCommandLineContainsTargetLabelAndRuleKind() throws Exception {
    scratch.file("java/android/BUILD", "android_library(name = 'a', srcs = ['A.java'])");
    JavaCompileAction javacAction =
        (JavaCompileAction) getGeneratingActionForLabel("//java/android:liba.jar");

    String commandLine = Iterables.toString(getJavacArguments(javacAction));
    assertThat(commandLine).contains("--target_label, //java/android:a");
  }

  @Test
  public void testStrictAndroidDepsOff() throws Exception {
    useConfiguration("--strict_java_deps=OFF");
    scratch.file(
        "java/android/strict/BUILD",
        """
        android_library(
            name = "b",
            srcs = ["B.java"],
        )
        """);
    Artifact artifact = getFileConfiguredTarget("//java/android/strict:libb.jar").getArtifact();
    JavaCompileAction compileAction = (JavaCompileAction) getGeneratingAction(artifact);
    assertThat(getStrictJavaDepsMode(compileAction)).isEqualTo(StrictDepsMode.OFF);
  }

  @Test
  public void testStrictAndroidDepsOn() throws Exception {
    scratch.file(
        "java/android/strict/BUILD",
        """
        android_library(
            name = "b",
            srcs = ["B.java"],
        )
        """);
    Artifact artifact = getFileConfiguredTarget("//java/android/strict:libb.jar").getArtifact();
    JavaCompileAction compileAction = (JavaCompileAction) getGeneratingAction(artifact);
    assertThat(getStrictJavaDepsMode(compileAction)).isEqualTo(StrictDepsMode.ERROR);
  }

  @Test
  public void testStrictAndroidDepsWarn() throws Exception {
    useConfiguration("--strict_java_deps=WARN");
    scratch.file(
        "java/android/strict/BUILD",
        """
        android_library(
            name = "b",
            srcs = ["B.java"],
        )
        """);
    Artifact artifact = getFileConfiguredTarget("//java/android/strict:libb.jar").getArtifact();
    JavaCompileAction compileAction = (JavaCompileAction) getGeneratingAction(artifact);
    assertThat(getStrictJavaDepsMode(compileAction)).isEqualTo(StrictDepsMode.WARN);
  }

  @Test
  public void testFixDepsToolEmpty() throws Exception {
    scratch.file("java/android/BUILD", "android_library(name = 'b', srcs = ['B.java'])");
    Artifact artifact = getFileConfiguredTarget("//java/android:libb.jar").getArtifact();
    JavaCompileAction action = (JavaCompileAction) getGeneratingAction(artifact);
    List<String> commandLine = getJavacArguments(action);
    assertThat(commandLine).containsAtLeast("--experimental_fix_deps_tool", "add_dep").inOrder();
  }

  @Test
  public void testFixDepsTool() throws Exception {
    useConfiguration("--experimental_fix_deps_tool=auto_fixer");
    scratch.file("java/android/BUILD", "android_library(name = 'b', srcs = ['B.java'])");
    Artifact artifact = getFileConfiguredTarget("//java/android:libb.jar").getArtifact();
    JavaCompileAction action = (JavaCompileAction) getGeneratingAction(artifact);
    List<String> commandLine = getJavacArguments(action);
    assertThat(commandLine).containsAtLeast("--experimental_fix_deps_tool", "auto_fixer").inOrder();
  }

  @Test
  public void testJavaPluginProcessorPath() throws Exception {
    scratch.file(
        "java/test/BUILD",
        """
        java_library(
            name = "plugin_dep",
            srcs = ["ProcessorDep.java"],
        )

        java_plugin(
            name = "plugin",
            srcs = ["AnnotationProcessor.java"],
            processor_class = "com.google.process.stuff",
            deps = [":plugin_dep"],
        )

        android_library(
            name = "to_be_processed",
            srcs = ["ToBeProcessed.java"],
            plugins = [":plugin"],
        )
        """);
    ConfiguredTarget target = getConfiguredTarget("//java/test:to_be_processed");

    OutputFileConfiguredTarget output =
        (OutputFileConfiguredTarget) getFileConfiguredTarget("//java/test:libto_be_processed.jar");
    JavaCompileAction javacAction = (JavaCompileAction) getGeneratingAction(output.getArtifact());

    assertThat(getProcessorNames(javacAction)).contains("com.google.process.stuff");
    assertThat(getProcessorNames(javacAction)).hasSize(1);

    assertThat(
            ActionsTestUtil.baseArtifactNames(
                getInputs(javacAction, getProcessorpath(javacAction))))
        .containsExactly("libplugin.jar", "libplugin_dep.jar");
    assertThat(
            actionsTestUtil()
                .predecessorClosureOf(getFilesToBuild(target), JavaSemantics.JAVA_SOURCE))
        .isEqualTo("ToBeProcessed.java AnnotationProcessor.java ProcessorDep.java");
  }

  // Same test as above, enabling the plugin through the command line.
  @Test
  public void testPluginCommandLine() throws Exception {
    scratch.file(
        "java/test/BUILD",
        """
        java_library(
            name = "plugin_dep",
            srcs = ["ProcessorDep.java"],
        )

        java_plugin(
            name = "plugin",
            srcs = ["AnnotationProcessor.java"],
            processor_class = "com.google.process.stuff",
            deps = [":plugin_dep"],
        )

        android_library(
            name = "to_be_processed",
            srcs = ["ToBeProcessed.java"],
        )
        """);

    useConfiguration("--plugin=//java/test:plugin");
    ConfiguredTarget target = getConfiguredTarget("//java/test:to_be_processed");
    OutputFileConfiguredTarget output =
        (OutputFileConfiguredTarget) getFileConfiguredTarget("//java/test:libto_be_processed.jar");
    JavaCompileAction javacAction = (JavaCompileAction) getGeneratingAction(output.getArtifact());

    assertThat(getProcessorNames(javacAction)).contains("com.google.process.stuff");
    assertThat(getProcessorNames(javacAction)).hasSize(1);
    assertThat(
            ActionsTestUtil.baseArtifactNames(
                getInputs(javacAction, getProcessorpath(javacAction))))
        .containsExactly("libplugin.jar", "libplugin_dep.jar");
    assertThat(
            actionsTestUtil()
                .predecessorClosureOf(getFilesToBuild(target), JavaSemantics.JAVA_SOURCE))
        .isEqualTo("ToBeProcessed.java AnnotationProcessor.java ProcessorDep.java");
  }

  @Test
  public void testInvalidPlugin() throws Exception {
    checkError(
        "java/test",
        "lib",
        // error:
        getErrorMsgMandatoryProviderMissing("//java/test:not_a_plugin", "JavaPluginInfo"),
        // BUILD file:
        "java_library(",
        "    name = 'not_a_plugin',",
        "    srcs = ['NotAPlugin.java'],",
        ")",
        "android_library(",
        "    name = 'lib',",
        "    plugins = [':not_a_plugin'],",
        "    srcs = ['Lib.java'],",
        ")");
  }

  @Test
  public void testDisallowDepsWithoutSrcsError() throws Exception {
    checkError(
        "android/deps",
        "b",
        // message:
        "android_library will be deprecating the use of deps to export targets implicitly",
        // build file
        "android_library(",
        "    name = 'a',",
        "    srcs = ['a.java'],",
        ")",
        "android_library(",
        "    name = 'b',",
        "    deps = [':a'],",
        ")");
  }

  @Test
  public void testAlwaysAllowDepsWithoutSrcsIfLocalResources() throws Exception {
    scratch.file(
        "java/android/BUILD",
        """
        android_library(
            name = "a",
            srcs = ["a.java"],
        )

        android_library(
            name = "r",
            manifest = "AndroidManifest.xml",
            resource_files = glob(["res/**"]),
            deps = [":a"],
        )
        """);

    scratch.file(
        "java/android/res/values/strings.xml",
        "<resources><string name = 'hello'>Hello Android!</string></resources>");

    useConfiguration("--experimental_allow_android_library_deps_without_srcs=false");

    getConfiguredTarget("//java/android:r");
    assertNoEvents();
  }

  @Test
  public void testTransitiveDependencyThroughExports() throws Exception {
    scratch.file(
        "java/test/BUILD",
        """
        android_library(
            name = "somelib",
            srcs = ["Lib.java"],
            deps = [":somealias"],
        )

        android_library(
            name = "somealias",
            exports = [":somedep"],
        )

        android_library(
            name = "somedep",
            srcs = ["Dependency.java"],
            deps = [":otherdep"],
        )

        android_library(
            name = "otherdep",
            srcs = ["OtherDependency.java"],
        )
        """);
    ConfiguredTarget libTarget = getConfiguredTarget("//java/test:somelib");
    assertThat(
            actionsTestUtil()
                .predecessorClosureAsCollection(
                    getFilesToBuild(libTarget), JavaSemantics.JAVA_SOURCE))
        .containsExactly("Lib.java", "Dependency.java", "OtherDependency.java");
    assertNoEvents();
  }

  @Test
  public void testTransitiveStrictDeps() throws Exception {
    scratch.file(
        "java/peach/BUILD",
        """
        android_library(
            name = "a",
            exports = [":b"],
        )

        android_library(
            name = "b",
            srcs = ["B.java"],
            deps = [":c"],
        )

        android_library(
            name = "c",
            srcs = ["C.java"],
        )
        """);

    useConfiguration("--strict_java_deps=ERROR");

    ConfiguredTarget a = getConfiguredTarget("//java/peach:a");
    Iterable<String> compileTimeJars =
        ActionsTestUtil.baseArtifactNames(
            JavaInfo.getProvider(JavaCompilationArgsProvider.class, a).getDirectCompileTimeJars());
    assertThat(compileTimeJars).contains("libb-hjar.jar");
    assertThat(compileTimeJars).doesNotContain("libc-hjar.jar");
    assertNoEvents();
  }

  @Test
  public void testEmitOutputDeps() throws Exception {
    scratch.file(
        "java/deps/BUILD",
        """
        android_library(
            name = "a",
            exports = [":b"],
        )

        android_library(
            name = "b",
            srcs = ["B.java"],
        )
        """);

    useConfiguration("--java_deps");

    JavaCompileAction aAction =
        (JavaCompileAction) getGeneratingActionForLabel("//java/deps:liba.jar");
    List<String> aOutputs = prettyArtifactNames(aAction.getOutputs());
    assertThat(aOutputs).doesNotContain("java/deps/liba.jdeps");

    JavaCompileAction bAction =
        (JavaCompileAction) getGeneratingActionForLabel("//java/deps:libb.jar");
    List<String> bOutputs = prettyArtifactNames(bAction.getOutputs());
    assertThat(bOutputs).contains("java/deps/libb.jdeps");
    assertNoEvents();
  }

  @Test
  public void testDependencyArtifactsWithExports() throws Exception {
    scratch.file(
        "java/classpath/BUILD",
        """
        android_library(
            name = "a",
            srcs = ["A.java"],
            deps = [
                ":b",
                ":c",
            ],
        )

        android_library(
            name = "b",
            exports = [":d"],
        )

        android_library(
            name = "c",
            srcs = ["C.java"],
            exports = [":e"],
        )

        android_library(
            name = "d",
            srcs = ["D.java"],
        )

        android_library(
            name = "e",
            srcs = ["E.java"],
        )
        """);

    JavaCompileAction aAction =
        (JavaCompileAction) getGeneratingActionForLabel("//java/classpath:liba.jar");
    List<String> deps =
        prettyArtifactNames(getInputs(aAction, getCompileTimeDependencyArtifacts(aAction)));
    assertThat(deps)
        .containsExactly(
            "java/classpath/libc-hjar.jdeps",
            "java/classpath/libd-hjar.jdeps",
            "java/classpath/libe-hjar.jdeps");
    assertNoEvents();
  }

  @Test
  public void testSrcsLessExportsAreDisallowed() throws Exception {
    checkError(
        "java/deps",
        "b",
        "android_library will be deprecating the use of deps to export targets implicitly",
        "android_library(",
        "    name = 'a',",
        "    srcs = ['a.java'],",
        ")",
        "android_library(",
        "    name = 'b',",
        "    deps = ['a'],",
        ")");
  }

  @Test
  public void testExportsWithStrictJavaDepsFlag() throws Exception {
    scratch.file(
        "java/exports/BUILD",
        """
        android_library(
            name = "a",
            srcs = ["a.java"],
        )

        android_library(
            name = "b",
            srcs = ["b.java"],
            exports = ["a"],
        )

        android_library(
            name = "c",
            srcs = ["c.java"],
            deps = [":b"],
        )
        """);

    useConfiguration("--strict_java_deps=WARN");

    JavaCompileAction javacAction =
        (JavaCompileAction) getGeneratingActionForLabel("//java/exports:libc.jar");

    assertThat(
            prettyArtifactNames(getInputs(javacAction, getDirectJars(javacAction))).stream()
                .filter(a -> !a.equals("tools/android/bootclasspath_android_only_auxiliary.jar")))
        .containsExactly("java/exports/libb-hjar.jar", "java/exports/liba-hjar.jar");
    assertNoEvents();
  }

  @Test
  public void testExportsRunfiles() throws Exception {
    scratch.file(
        "java/exports/BUILD",
        """
        android_library(
            name = "a",
            srcs = ["a.java"],
            data = ["data.txt"],
        )

        android_library(
            name = "b",
            srcs = ["b.java"],
            exports = [":a"],
        )
        """);

    ConfiguredTarget bTarget = getConfiguredTarget("//java/exports:b");

    assertThat(Arrays.asList("data.txt", "liba.jar", "libb.jar"))
        .isEqualTo(ActionsTestUtil.baseArtifactNames(getDefaultRunfiles(bTarget).getArtifacts()));
    assertNoEvents();
  }

  @Test
  public void testSimpleIdl() throws Exception {
    scratch.file(
        "java/android/BUILD",
        """
        android_library(
            name = "idl",
            idl_srcs = ["a.aidl"],
        )
        """);
    getConfiguredTarget("//java/android:idl");
    assertNoEvents();
  }

  @Test
  public void testIdlSrcsFromAnotherPackageFails() throws Exception {
    reporter.removeHandler(failFastHandler);
    scratch.file("java/android/a/BUILD", "exports_files(['A.aidl'])");
    scratch.file(
        "java/android/BUILD",
        """
        android_library(
            name = "idl",
            idl_srcs = ["//java/android/a:A.aidl"],
        )
        """);
    getConfiguredTarget("//java/android:idl");
    assertContainsEvent(
        "do not import '//java/android/a:A.aidl' directly. You should either"
            + " move the file to this package or depend on an appropriate rule there");
  }

  @Test
  public void testIdlClassJarAction() throws Exception {
    scratch.file(
        "java/android/BUILD",
        """
        android_library(
            name = "idl",
            idl_srcs = [
                "a.aidl",
                "b.aidl",
                "c.aidl",
            ],
        )
        """);
    ConfiguredTarget idlTarget = getConfiguredTarget("//java/android:idl");
    NestedSet<Artifact> outputGroup =
        getOutputGroup(idlTarget, AndroidIdlHelper.IDL_JARS_OUTPUT_GROUP);

    SpawnAction classJarAction =
        (SpawnAction)
            actionsTestUtil()
                .getActionForArtifactEndingWith(
                    actionsTestUtil().artifactClosureOf(outputGroup), "libidl-idl.jar");
    SpawnAction sourceJarAction =
        (SpawnAction)
            actionsTestUtil()
                .getActionForArtifactEndingWith(
                    actionsTestUtil().artifactClosureOf(outputGroup), "libidl-idl.srcjar");

    assertThat(sourceJarAction).isSameInstanceAs(classJarAction);

    PathFragment genfilesPath =
        getTargetConfiguration()
            .getGenfilesDirectory(RepositoryName.MAIN)
            .getExecPath()
            .getRelative("java/android/idl_aidl/java/android");
    assertThat(classJarAction.getArguments())
        .containsAtLeast(
            genfilesPath.getRelative("a.java").getPathString(),
            genfilesPath.getRelative("b.java").getPathString(),
            genfilesPath.getRelative("c.java").getPathString());
  }

  @Test
  public void testIdlOutputGroupTransitivity() throws Exception {
    scratch.file(
        "java/android/BUILD",
        """
        android_library(
            name = "lib",
            idl_srcs = ["a.aidl"],
            deps = [":dep"],
        )

        android_library(
            name = "dep",
            idl_srcs = ["b.aidl"],
        )
        """);
    ConfiguredTarget idlTarget = getConfiguredTarget("//java/android:lib");
    NestedSet<Artifact> outputGroup =
        getOutputGroup(idlTarget, AndroidIdlHelper.IDL_JARS_OUTPUT_GROUP);
    List<String> asString = Lists.newArrayList();
    for (Artifact artifact : outputGroup.toList()) {
      asString.add(artifact.getRootRelativePathString());
    }
    assertThat(asString)
        .containsAtLeast(
            "java/android/libdep-idl.jar",
            "java/android/libdep-idl.srcjar",
            "java/android/liblib-idl.jar",
            "java/android/liblib-idl.srcjar");
  }

  @Test
  public void testNoJavaDir() throws Exception {
    checkError(
        "android/hello",
        "idl",
        // message:
        "Cannot determine java/javatests root for import android/hello/Import.aidl",
        // build file:
        "android_library(",
        "    name = 'idl',",
        "    srcs = ['Import.java'],",
        "    idl_parcelables = ['Import.aidl'],",
        ")");
  }

  @Test
  public void testExportedPluginsAreInherited() throws Exception {
    scratch.file(
        "java/test/BUILD",
        """
        java_plugin(
            name = "plugin",
            srcs = ["Plugin.java"],
            processor_class = "com.google.process.stuff",
        )

        android_library(
            name = "exporting_lib",
            srcs = ["ExportingLib.java"],
            exported_plugins = [":plugin"],
        )

        android_library(
            name = "consuming_lib",
            srcs = ["ConsumingLib.java"],
            deps = [":exporting_lib"],
        )

        android_library(
            name = "leaf_lib",
            srcs = ["LeafLib.java"],
            deps = [":consuming_lib"],
        )
        """);

    getConfiguredTarget("//java/test:consuming_lib");
    getConfiguredTarget("//java/test:leaf_lib");
    // libconsuming_lib should include the plugin, since it directly depends on exporting_lib
    assertThat(getProcessorNames("//java/test:libconsuming_lib.jar"))
        .containsExactly("com.google.process.stuff");
    // but libleaf_lib should not, because its dependency is transitive.
    assertThat(getProcessorNames("//java/test:libleaf_lib.jar")).isEmpty();
  }

  @Test
  public void testAidlLibAddsProguardSpecs() throws Exception {
    scratch.file(
        "sdk/BUILD",
        "android_sdk(",
        "    name = 'sdk',",
        "    aapt = 'aapt',",
        "    aapt2 = 'aapt2',",
        "    adb = 'adb',",
        "    aidl = 'aidl',",
        "    aidl_lib = ':aidl_lib',",
        "    android_jar = 'android.jar',",
        "    apksigner = 'apksigner',",
        "    dx = 'dx',",
        "    framework_aidl = 'framework_aidl',",
        "    main_dex_classes = 'main_dex_classes',",
        "    main_dex_list_creator = 'main_dex_list_creator',",
        "    proguard = 'proguard',",
        "    shrinked_android_jar = 'shrinked_android_jar',",
        "    zipalign = 'zipalign',",
        "    tags = ['__ANDROID_RULES_MIGRATION__'],",
        ")",
        "toolchain(",
        "    name = 'sdk_toolchain',",
        String.format("    toolchain_type = '%s',", TestConstants.ANDROID_TOOLCHAIN_TYPE_LABEL),
        "    toolchain = ':sdk',",
        ")",
        "java_library(",
        "    name = 'aidl_lib',",
        "    srcs = ['AidlLib.java'],",
        "    proguard_specs = ['aidl_lib.cfg'],",
        ")");

    scratch.file(
        "java/com/google/android/hello/BUILD",
        """
        android_library(
            name = "library",
            srcs = ["MainActivity.java"],
            idl_srcs = ["IMyInterface.aidl"],
        )

        android_library(
            name = "library_no_idl",
            srcs = ["MainActivity.java"],
        )

        android_binary(
            name = "binary",
            manifest = "AndroidManifest.xml",
            proguard_specs = ["proguard-spec.pro"],
            deps = [":library"],
        )

        android_binary(
            name = "binary_no_idl",
            manifest = "AndroidManifest.xml",
            proguard_specs = ["proguard-spec.pro"],
            deps = [":library_no_idl"],
        )
        """);
    useConfiguration("--extra_toolchains=//sdk:sdk_toolchain");

    // Targets with AIDL-generated sources also get AIDL support lib Proguard specs
    ConfiguredTarget binary = getConfiguredTarget("//java/com/google/android/hello:binary");
    Action action =
        actionsTestUtil().getActionForArtifactEndingWith(getFilesToBuild(binary), "_proguard.jar");
    assertThat(
            ActionsTestUtil.getFirstArtifactEndingWith(
                action.getInputs(), "sdk/aidl_lib.cfg_valid"))
        .isNotNull();

    // Targets without AIDL-generated sources don't care
    ConfiguredTarget binaryNoIdl =
        getConfiguredTarget("//java/com/google/android/hello:binary_no_idl");
    Action actionNoIdl =
        actionsTestUtil()
            .getActionForArtifactEndingWith(getFilesToBuild(binaryNoIdl), "_proguard.jar");
    assertThat(
            ActionsTestUtil.getFirstArtifactEndingWith(
                actionNoIdl.getInputs(), "sdk/aidl_lib.cfg_valid"))
        .isNull();
  }

  @Test
  public void testResourcesMultipleDirectoriesFromPackage() throws Exception {
    scratch.file(
        "c/b/m/a/BUILD",
        """
        android_library(
            name = "r",
            custom_package = "com.google.android.apps.a",
            manifest = "AndroidManifest.xml",
            resource_files = [
                "b_/res/values/strings.xml",
            ],
        )
        """);
    scratch.file(
        "c/b/m/a/b_/res/values/strings.xml",
        "<resources><string name = 'hello'>Hello Android!</string></resources>");
    ConfiguredTarget resource = getConfiguredTarget("//c/b/m/a:r");

    assertThat(getResourceCompilationInputFiles(resource))
        .contains("c/b/m/a/b_/res/values/strings.xml");
  }

  @Test
  public void testSimpleResources() throws Exception {
    scratch.file(
        "java/android/BUILD",
        """
        android_library(
            name = "r",
            manifest = "AndroidManifest.xml",
            resource_files = glob(["res/**"]),
        )
        """);
    scratch.file(
        "java/android/res/values/strings.xml",
        "<resources><string name = 'hello'>Hello Android!</string></resources>");
    ConfiguredTarget resource = getConfiguredTarget("//java/android:r");

    assertThat(getResourceCompilationInputFiles(resource))
        .contains("java/android/res/values/strings.xml");
    List<String> args = getResourceMergingArgs(resource);
    assertThat(getDependencyResourceLabels(args, "--primaryData"))
        .containsExactly("//java/android:r");
  }

  @Test
  public void testResourcesWithConfigurationQualifier() throws Exception {
    scratch.file(
        "java/android/BUILD",
        """
        android_library(
            name = "r",
            manifest = "AndroidManifest.xml",
            resource_files = glob(["res/**"]),
        )
        """);
    scratch.file(
        "java/android/res/values-en/strings.xml",
        "<resources><string name = 'hello'>Hello Android!</string></resources>");
    scratch.file(
        "java/android/res/values/strings.xml",
        "<resources><string name = 'hello'>Hello Android!</string></resources>");
    ConfiguredTarget resource = getConfiguredTarget("//java/android:r");

    assertThat(getResourceCompilationInputFiles(resource))
        .containsAtLeast(
            "java/android/res/values/strings.xml", "java/android/res/values-en/strings.xml");
  }

  @Test
  public void testResourcesInOtherPackage_exported() throws Exception {
    scratch.file(
        "java/android/BUILD",
        """
        android_library(
            name = "r",
            manifest = "AndroidManifest.xml",
            resource_files = ["//java/other:res/values/strings.xml"],
        )
        """);
    scratch.file("java/other/BUILD", "exports_files(['res/values/strings.xml'])");
    ConfiguredTarget resource = getConfiguredTarget("//java/android:r");

    assertThat(getResourceCompilationInputFiles(resource))
        .contains("java/other/res/values/strings.xml");
    assertNoEvents();
  }

  @Test
  public void testResourcesInOtherPackage_filegroup() throws Exception {
    scratch.file(
        "java/android/BUILD",
        """
        android_library(
            name = "r",
            manifest = "AndroidManifest.xml",
            resource_files = ["//java/other:fg"],
        )
        """);
    scratch.file(
        "java/other/BUILD",
        """
        filegroup(
            name = "fg",
            srcs = ["res/values/strings.xml"],
        )
        """);
    ConfiguredTarget resource = getConfiguredTarget("//java/android:r");

    assertThat(getResourceCompilationInputFiles(resource))
        .contains("java/other/res/values/strings.xml");
    assertNoEvents();
  }

  // Regression test for b/11924769
  @Test
  public void testResourcesInOtherPackage_filegroupWithExternalSources() throws Exception {
    scratch.file(
        "java/android/BUILD",
        """
        android_library(
            name = "r",
            manifest = "AndroidManifest.xml",
            resource_files = [":fg"],
        )

        filegroup(
            name = "fg",
            srcs = ["//java/other:res/values/strings.xml"],
        )
        """);
    scratch.file("java/other/BUILD", "exports_files(['res/values/strings.xml'])");
    ConfiguredTarget resource = getConfiguredTarget("//java/android:r");

    assertThat(getResourceCompilationInputFiles(resource))
        .contains("java/other/res/values/strings.xml");
    assertNoEvents();
  }

  // Regression test for b/11924769
  @Test
  public void testResourcesInOtherPackage_doubleFilegroup() throws Exception {
    scratch.file(
        "java/android/BUILD",
        """
        android_library(
            name = "r",
            manifest = "AndroidManifest.xml",
            resource_files = [":fg"],
        )

        filegroup(
            name = "fg",
            srcs = ["//java/other:fg"],
        )
        """);
    scratch.file(
        "java/other/BUILD",
        """
        filegroup(
            name = "fg",
            srcs = ["res/values/strings.xml"],
        )
        """);
    ConfiguredTarget resource = getConfiguredTarget("//java/android:r");

    assertThat(getResourceCompilationInputFiles(resource))
        .contains("java/other/res/values/strings.xml");
    assertNoEvents();
  }

  @Test
  public void testManifestMissingFails() throws Exception {
    checkError(
        "java/android",
        "r",
        "is required when resource_files or assets are defined.",
        "filegroup(name = 'b')",
        "android_library(",
        "    name = 'r',",
        "    resource_files = [':b'],",
        ")");
  }

  @Test
  public void testResourcesDoesNotMatchDirectoryLayout_badFile() throws Exception {
    checkError(
        "java/android",
        "r",
        "'java/android/res/somefile.xml' is not in the expected resource directory structure of"
            + " <resource directory>/{"
            + Joiner.on(',').join(AndroidResources.RESOURCE_DIRECTORY_TYPES)
            + "}",
        "android_library(",
        "    name = 'r',",
        "    manifest = 'AndroidManifest.xml',",
        "    resource_files = [",
        "        'res/somefile.xml',",
        "        'r/t/f/m/raw/fold',",
        "    ],",
        ")");
  }

  @Test
  public void testResourcesDoesNotMatchDirectoryLayout_badDirectory() throws Exception {
    checkError(
        "java/android",
        "r",
        "'java/android/res/other/somefile.xml' is not in the expected resource directory structure"
            + " of <resource directory>/{"
            + Joiner.on(',').join(AndroidResources.RESOURCE_DIRECTORY_TYPES)
            + "}",
        "android_library(",
        "    name = 'r',",
        "    manifest = 'AndroidManifest.xml',",
        "    resource_files = [",
        "        'res/other/somefile.xml',",
        "        'r/t/f/m/raw/fold',",
        "    ],",
        ")");
  }

  @Test
  public void testResourcesNotUnderCommonDirectoryFails() throws Exception {
    checkError(
        "java/android",
        "r",
        "'java/android/r/t/f/m/raw/fold' (generated by '//java/android:r/t/f/m/raw/fold') is not"
            + " in the same directory 'res' (derived from java/android/res/raw/speed). All"
            + " resources must share a common directory.",
        "android_library(",
        "    name = 'r',",
        "    manifest = 'AndroidManifest.xml',",
        "    resource_files = [",
        "        'res/raw/speed',",
        "        'r/t/f/m/raw/fold',",
        "    ],",
        ")");
  }

  @Test
  public void testAssetsDirAndNoAssetsFails() throws Exception {
    checkError(
        "cpp/android",
        "r",
        "'assets' and 'assets_dir' should be either both empty or both non-empty",
        "android_library(",
        "    name = 'r',",
        "    manifest = 'AndroidManifest.xml',",
        "    assets_dir = 'assets',",
        ")");
  }

  @Test
  public void testAssetsNotUnderAssetsDirFails() throws Exception {
    checkError(
        "java/android",
        "r",
        "'java/android/r/t/f/m' (generated by '//java/android:r/t/f/m') is not beneath 'assets'",
        "android_library(",
        "    name = 'r',",
        "    manifest = 'AndroidManifest.xml',",
        "    assets_dir = 'assets',",
        "    assets = [",
        "        'assets/valuable',",
        "        'r/t/f/m',",
        "    ]",
        ")");
  }

  @Test
  public void testAssetsAndNoAssetsDirFails() throws Exception {
    scratch.file(
        "java/android/assets/values/strings.xml",
        "<resources><string name = 'hello'>Hello Android!</string></resources>");
    checkError(
        "java/android",
        "r",
        "'assets' and 'assets_dir' should be either both empty or both non-empty",
        "android_library(",
        "    name = 'r',",
        "    manifest = 'AndroidManifest.xml',",
        "    assets = glob(['assets/**']),",
        ")");
  }

  @Test
  public void testFileLocation() throws Exception {
    scratch.file(
        "java/android/BUILD",
        """
        android_library(
            name = "r",
            manifest = "AndroidManifest.xml",
        )
        """);
    ConfiguredTarget foo = getConfiguredTarget("//java/android:r");
    assertThat(
            ActionsTestUtil.getFirstArtifactEndingWith(getFilesToBuild(foo), "r.srcjar").getRoot())
        .isEqualTo(getTargetConfiguration().getBinDirectory(RepositoryName.MAIN));
  }

  @Test
  public void testWithRenameManifestPackage() throws Exception {
    scratch.file(
        "a/r/BUILD",
        """
        android_library(
            name = "r",
            srcs = ["Foo.java"],
            custom_package = "com.google.android.bar",
            manifest = "AndroidManifest.xml",
            resource_files = ["res/values/strings.xml"],
        )
        """);
    ConfiguredTarget r = getConfiguredTarget("//a/r:r");
    assertNoEvents();
    assertContainsSublist(
        getResourceMergingArgs(r), ImmutableList.of("--packageForR", "com.google.android.bar"));
  }

  @Test
  public void testNeverlinkResources_androidResourcesInfo() throws Exception {
    scratch.file(
        "java/apps/android/BUILD",
        """
        android_library(
            name = "foo",
            manifest = "AndroidManifest.xml",
            deps = [
                ":lib",
                ":lib_neverlink",
            ],
        )

        android_library(
            name = "lib_neverlink",
            manifest = "AndroidManifest.xml",
            neverlink = 1,
            deps = [":bar"],
        )

        android_library(
            name = "lib",
            manifest = "AndroidManifest.xml",
            deps = [":bar"],
        )

        android_library(
            name = "bar",
            manifest = "AndroidManifest.xml",
        )
        """);
    Function<ValidatedAndroidResources, Label> getLabel = ValidatedAndroidResources::getLabel;
    ConfiguredTarget foo = getConfiguredTarget("//java/apps/android:foo");
    assertThat(
            Iterables.transform(
                foo.get(AndroidResourcesInfo.PROVIDER).getTransitiveAndroidResources().toList(),
                getLabel))
        .containsExactly(
            Label.parseCanonical("//java/apps/android:lib"),
            Label.parseCanonical("//java/apps/android:bar"));
    assertThat(
            Iterables.transform(
                foo.get(AndroidResourcesInfo.PROVIDER).getDirectAndroidResources().toList(),
                getLabel))
        .containsExactly(Label.parseCanonical("//java/apps/android:foo"));

    ConfiguredTarget lib = getConfiguredTarget("//java/apps/android:lib");
    assertThat(
            Iterables.transform(
                lib.get(AndroidResourcesInfo.PROVIDER).getTransitiveAndroidResources().toList(),
                getLabel))
        .containsExactly(Label.parseCanonical("//java/apps/android:bar"));
    assertThat(
            Iterables.transform(
                lib.get(AndroidResourcesInfo.PROVIDER).getDirectAndroidResources().toList(),
                getLabel))
        .containsExactly(Label.parseCanonical("//java/apps/android:lib"));

    ConfiguredTarget libNeverlink = getConfiguredTarget("//java/apps/android:lib_neverlink");
    assertThat(
            libNeverlink
                .get(AndroidResourcesInfo.PROVIDER)
                .getTransitiveAndroidResources()
                .toList())
        .isEmpty();
    assertThat(libNeverlink.get(AndroidResourcesInfo.PROVIDER).getDirectAndroidResources().toList())
        .isEmpty();
  }

  @Test
  public void testNeverlinkResources_compileAndRuntimeJars() throws Exception {
    scratch.file(
        "java/apps/android/BUILD",
        """
        android_library(
            name = "foo",
            manifest = "AndroidManifest.xml",
            exports = [
                ":lib",
                ":lib_neverlink",
            ],
        )

        android_library(
            name = "lib_neverlink",
            manifest = "AndroidManifest.xml",
            neverlink = 1,
        )

        android_library(
            name = "lib",
            manifest = "AndroidManifest.xml",
        )
        """);

    ConfiguredTarget foo = getConfiguredTarget("//java/apps/android:foo");
    ConfiguredTarget lib = getConfiguredTarget("//java/apps/android:lib");
    ConfiguredTarget libNeverlink = getConfiguredTarget("//java/apps/android:lib_neverlink");
    NestedSet<Artifact> neverLinkFilesToBuild = getFilesToBuild(libNeverlink);
    NestedSet<Artifact> libFilesToBuild = getFilesToBuild(lib);
    JavaCompilationArgsProvider argsProvider =
        JavaInfo.getProvider(JavaCompilationArgsProvider.class, foo);

    assertThat(argsProvider.getDirectCompileTimeJars().toList())
        .contains(
            ActionsTestUtil.getFirstArtifactEndingWith(
                actionsTestUtil().artifactClosureOf(neverLinkFilesToBuild),
                "lib_neverlink_resources.jar"));
    assertThat(argsProvider.getDirectCompileTimeJars().toList())
        .contains(
            ActionsTestUtil.getFirstArtifactEndingWith(
                actionsTestUtil().artifactClosureOf(libFilesToBuild), "lib_resources.jar"));

    assertThat(argsProvider.getRuntimeJars().toList())
        .doesNotContain(
            ActionsTestUtil.getFirstArtifactEndingWith(
                actionsTestUtil().artifactClosureOf(neverLinkFilesToBuild),
                "lib_neverlink_resources.jar"));
    assertThat(argsProvider.getRuntimeJars().toList())
        .contains(
            ActionsTestUtil.getFirstArtifactEndingWith(
                actionsTestUtil().artifactClosureOf(libFilesToBuild), "lib_resources.jar"));
  }

  @Test
  public void testResourceMergeAndProcessParallel() throws Exception {
    // Test that for android_library, we can divide the resource processing action into
    // smaller actions.
    scratch.file(
        "java/android/app/foo/BUILD",
        """
        android_library(
            name = "r",
            manifest = "AndroidManifest.xml",
            resource_files = glob(["res/**"]),
        )
        """);
    scratch.file(
        "java/android/app/foo/res/values/strings.xml",
        "<resources>",
        "<string name='hello'>Aloha!</string>",
        "<string name='goodbye'>Aloha!</string>",
        "</resources>");
    ConfiguredTarget target = getConfiguredTarget("//java/android/app/foo:r");

    NestedSet<Artifact> filesToBuild = getFilesToBuild(target);
    Set<Artifact> artifacts = actionsTestUtil().artifactClosureOf(filesToBuild);

    ValidatedAndroidResources resources =
        target.get(AndroidResourcesInfo.PROVIDER).getDirectAndroidResources().getSingleton();

    SpawnAction resourceParserAction =
        (SpawnAction)
            actionsTestUtil()
                .getActionForArtifactEndingWith(
                    artifacts, "/" + resources.getCompiledSymbols().getFilename());
    SpawnAction resourceClassJarAction =
        (SpawnAction)
            actionsTestUtil()
                .getActionForArtifactEndingWith(
                    artifacts, "/" + resources.getJavaClassJar().getFilename());
    SpawnAction resourceSrcJarAction =
        (SpawnAction)
            actionsTestUtil()
                .getActionForArtifactEndingWith(
                    artifacts, "/" + resources.getJavaSourceJar().getFilename());
    assertThat(resourceParserAction.getMnemonic()).isEqualTo("AndroidResourceCompiler");
    assertThat(resourceClassJarAction.getMnemonic()).isEqualTo("AndroidCompiledResourceMerger");
    assertThat(resourceSrcJarAction.getMnemonic()).isEqualTo("AndroidResourceLink");
    // Validator also generates an R.txt.
    assertThat(resourceSrcJarAction.getOutputs()).contains(resources.getRTxt());
  }

  @Test
  public void testGeneratedManifestPackage() throws Exception {
    scratch.file(
        "java/android/BUILD",
        """
        android_library(
            name = "l",
            srcs = ["foo.java"],
        )

        android_library(
            name = "l2",
            srcs = ["foo.java"],
            custom_package = "foo",
        )
        """);
    scratch.file(
        "third_party/android/BUILD",
        """
        licenses(["notice"])

        android_library(
            name = "l",
            srcs = ["foo.java"],
        )
        """);

    ConfiguredTarget target = getConfiguredTarget("//java/android:l");
    Artifact manifest = getBinArtifact("_generated/l/AndroidManifest.xml", target);
    FileWriteAction action = (FileWriteAction) getGeneratingAction(manifest);
    assertThat(action.getFileContents()).contains("package=\"android\"");

    target = getConfiguredTarget("//java/android:l2");
    manifest = getBinArtifact("_generated/l2/AndroidManifest.xml", target);
    action = (FileWriteAction) getGeneratingAction(manifest);
    assertThat(action.getFileContents()).contains("package=\"foo\"");

    target = getConfiguredTarget("//third_party/android:l");
    manifest = getBinArtifact("_generated/l/AndroidManifest.xml", target);
    action = (FileWriteAction) getGeneratingAction(manifest);
    assertThat(action.getFileContents()).contains("package=\"third_party.android\"");
  }

  @Test
  public void testGeneratedIdlSrcs() throws Exception {
    scratch.file(
        "java/android/BUILD",
        """
        genrule(
            name = "idl",
            outs = ["MyInterface.aidl"],
            cmd = "touch $@",
        )

        android_library(
            name = "lib",
            idl_parcelables = ["MyParcelable.aidl"],
            idl_srcs = [":idl"],
        )
        """);
    ConfiguredTarget target = getConfiguredTarget("//java/android:lib");

    PathFragment genfilesJavaPath =
        getTargetConfiguration()
            .getGenfilesDirectory(RepositoryName.MAIN)
            .getExecPath()
            .getRelative("java");
    SpawnAction action =
        (SpawnAction)
            actionsTestUtil()
                .getActionForArtifactEndingWith(
                    actionsTestUtil().artifactClosureOf(getFilesToBuild(target)),
                    "MyInterface.java");
    assertThat(action.getArguments())
        .containsAtLeast("-Ijava", "-I" + genfilesJavaPath.getPathString());
  }

  @Test
  public void testMultipleLibsSameIdls() throws Exception {
    scratch.file(
        "java/android/BUILD",
        """
        android_library(
            name = "idl1",
            idl_srcs = ["MyInterface.aidl"],
        )

        android_library(
            name = "idl2",
            idl_srcs = ["MyInterface.aidl"],
        )
        """);
    getConfiguredTarget("//java/android:idl1");
    getConfiguredTarget("//java/android:idl2");
  }

  @Test
  public void testIdeInfoProvider() throws Exception {
    scratch.file(
        "java/android/BUILD",
        """
        genrule(
            name = "genrule",
            srcs = [],
            outs = ["assets/genrule.so"],
            cmd = "",
        )

        android_library(
            name = "r",
            assets = glob(["assets/**"]) + [":genrule"],
            assets_dir = "assets",
            idl_srcs = ["MyInterface.aidl"],
            manifest = "AndroidManifest.xml",
            resource_files = glob(["res/**"]),
        )
        """);
    scratch.file(
        "java/android/res/values/strings.xml",
        "<resources><string name = 'hello'>Hello Android!</string></resources>");
    scratch.file("java/android/assets/values/orc.txt", "Nabu nabu!");
    ConfiguredTarget target = getConfiguredTarget("//java/android:r");
    final AndroidIdeInfoProvider provider = target.get(AndroidIdeInfoProvider.PROVIDER);
    Set<Artifact> artifactClosure = actionsTestUtil().artifactClosureOf(getFilesToBuild(target));
    assertThat(provider.getManifest())
        .isEqualTo(
            ActionsTestUtil.getFirstArtifactEndingWith(
                artifactClosure, "java/android/AndroidManifest.xml"));
    ValidatedAndroidResources resources =
        getConfiguredTarget("//java/android:r")
            .get(AndroidResourcesInfo.PROVIDER)
            .getDirectAndroidResources()
            .getSingleton();
    assertThat(provider.getGeneratedManifest()).isEqualTo(resources.getManifest());
  }

  @Test
  public void testIdeInfoProviderOutsideJavaRoot() throws Exception {
    String rootPath = "research/handwriting/java/com/google/research/handwriting/";
    scratch.file(
        rootPath + "BUILD",
        "genrule(",
        "    name='genrule',",
        "    srcs=[],",
        "    outs=['assets/genrule.so'],",
        "    cmd='',",
        ")",
        "android_library(",
        "    name = 'r',",
        "    manifest = 'AndroidManifest.xml',",
        "    idl_srcs = [ 'MyInterface.aidl' ],",
        "    resource_files = glob(['res/**']),",
        "    assets_dir = 'assets',",
        "    assets = glob(['assets/**']) + [':genrule']",
        ")");
    scratch.file(
        rootPath + "res/values/strings.xml",
        "<resources><string name = 'hello'>Hello Android!</string></resources>");
    scratch.file(rootPath + "/assets/values/orc.txt", "Nabu nabu!");
    ConfiguredTarget target =
        getConfiguredTarget("//research/handwriting/java/com/google/research/handwriting:r");
    final AndroidIdeInfoProvider provider = target.get(AndroidIdeInfoProvider.PROVIDER);
    Set<Artifact> artifactClosure = actionsTestUtil().artifactClosureOf(getFilesToBuild(target));
    assertThat(provider.getManifest())
        .isEqualTo(
            ActionsTestUtil.getFirstArtifactEndingWith(
                artifactClosure, "handwriting/AndroidManifest.xml"));
    ValidatedAndroidResources resources =
        getConfiguredTarget("//research/handwriting/java/com/google/research/handwriting:r")
            .get(AndroidResourcesInfo.PROVIDER)
            .getDirectAndroidResources()
            .getSingleton();
    assertThat(provider.getGeneratedManifest()).isEqualTo(resources.getManifest());
  }

  @Test
  public void testIdeInfoProviderGeneratedIdl() throws Exception {
    scratch.file(
        "java/android/BUILD",
        """
        genrule(
            name = "genrule",
            srcs = [],
            outs = ["assets/genrule.so"],
            cmd = "",
        )

        genrule(
            name = "idl",
            outs = ["MyGeneratedInterface.aidl"],
            cmd = "touch $@",
        )

        android_library(
            name = "r",
            assets = glob(["assets/**"]) + [":genrule"],
            assets_dir = "assets",
            idl_parcelables = ["MyInterface.aidl"],
            idl_srcs = [":idl"],
            manifest = "AndroidManifest.xml",
            resource_files = glob(["res/**"]),
        )
        """);
    scratch.file(
        "java/android/res/values/strings.xml",
        "<resources><string name = 'hello'>Hello Android!</string></resources>");
    scratch.file("java/android/assets/values/orc.txt", "Nabu nabu!");
    ConfiguredTarget target = getConfiguredTarget("//java/android:r");
    final AndroidIdeInfoProvider provider = target.get(AndroidIdeInfoProvider.PROVIDER);
    Set<Artifact> artifactClosure = actionsTestUtil().artifactClosureOf(getFilesToBuild(target));
    assertThat(provider.getManifest())
        .isEqualTo(
            ActionsTestUtil.getFirstArtifactEndingWith(
                artifactClosure, "java/android/AndroidManifest.xml"));
    ValidatedAndroidResources resources =
        getConfiguredTarget("//java/android:r")
            .get(AndroidResourcesInfo.PROVIDER)
            .getDirectAndroidResources()
            .getSingleton();
    assertThat(provider.getGeneratedManifest()).isEqualTo(resources.getManifest());
  }

  @Test
  public void testAndroidLibraryWithMessagesDoNotCrash() throws Exception {
    scratch.file(
        "java/com/google/atest/BUILD",
        """
        filegroup(
            name = "sources",
            srcs = [
                "message.xmb",
                "source.java",
            ],
        )

        android_library(
            name = "alib",
            srcs = [":sources"],
        )
        """);
    getConfiguredTarget("//java/com/google/atest:alib");
  }

  @Test
  public void testMultipleDirectDependentResourceDirectories() throws Exception {
    scratch.file(
        "java/android/resources/d1/BUILD",
        """
        android_library(
            name = "d1",
            assets = ["assets-d1/some/random/file"],
            assets_dir = "assets-d1",
            manifest = "AndroidManifest.xml",
            resource_files = ["d1-res/values/strings.xml"],
            deps = ["//java/android/resources/d2"],
        )
        """);
    scratch.file(
        "java/android/resources/d2/BUILD",
        """
        android_library(
            name = "d2",
            assets = ["assets-d2/some/random/file"],
            assets_dir = "assets-d2",
            manifest = "AndroidManifest.xml",
            resource_files = ["d2-res/values/strings.xml"],
        )
        """);
    ConfiguredTarget resource = getConfiguredTarget("//java/android/resources/d1:d1");
    assertThat(getResourceCompilationInputFiles(resource))
        .contains("java/android/resources/d1/d1-res/values/strings.xml");
    List<String> args = getResourceMergingArgs(resource);
    assertThat(getDependencyResourceLabels(args, "--primaryData"))
        .containsExactly("//java/android/resources/d1:d1");
    assertThat(getDependencyResourceLabels(args, "--directData"))
        .containsExactly("//java/android/resources/d2:d2");
    assertThat(args).doesNotContain("--data");

    List<String> assetArgs = getGeneratingSpawnActionArgs(getDecoupledAssetArtifact(resource));
    assertThat(getDependencyAssetDirs(assetArgs, "--directData"))
        .contains("java/android/resources/d2/assets-d2");

    assertNoEvents();
  }

  @Test
  public void testTransitiveDependentResourceDirectories() throws Exception {
    scratch.file(
        "java/android/resources/d1/BUILD",
        """
        android_library(
            name = "d1",
            assets = ["assets-d1/some/random/file"],
            assets_dir = "assets-d1",
            manifest = "AndroidManifest.xml",
            resource_files = ["d1-res/values/strings.xml"],
            deps = ["//java/android/resources/d2"],
        )
        """);
    scratch.file(
        "java/android/resources/d2/BUILD",
        """
        android_library(
            name = "d2",
            assets = ["assets-d2/some/random/file"],
            assets_dir = "assets-d2",
            manifest = "AndroidManifest.xml",
            resource_files = ["d2-res/values/strings.xml"],
            deps = ["//java/android/resources/d3"],
        )
        """);
    scratch.file(
        "java/android/resources/d3/BUILD",
        """
        android_library(
            name = "d3",
            assets = ["assets-d3/some/random/file"],
            assets_dir = "assets-d3",
            manifest = "AndroidManifest.xml",
            resource_files = ["d3-res/values/strings.xml"],
        )
        """);

    ConfiguredTarget resource = getConfiguredTarget("//java/android/resources/d1:d1");
    assertThat(getResourceCompilationInputFiles(resource))
        .contains("java/android/resources/d1/d1-res/values/strings.xml");
    List<String> args = getResourceMergingArgs(resource);
    assertThat(getDependencyResourceLabels(args, "--primaryData"))
        .containsExactly("//java/android/resources/d1:d1");
    assertThat(getDependencyResourceLabels(args, "--directData"))
        .containsExactly("//java/android/resources/d2:d2");
    assertThat(getDependencyResourceLabels(args, "--data"))
        .containsExactly("//java/android/resources/d3:d3");

    List<String> assetArgs = getGeneratingSpawnActionArgs(getDecoupledAssetArtifact(resource));
    assertThat(getDependencyAssetDirs(assetArgs, "--directData"))
        .contains("java/android/resources/d2/assets-d2");
    assertThat(getDependencyAssetDirs(assetArgs, "--data"))
        .contains("java/android/resources/d3/assets-d3");

    assertNoEvents();
  }

  @Test
  public void rClassGeneration_withAnnotationFeature_addsFlag() throws Exception {
    scratch.file(
        "java/lib1/BUILD",
        """
        android_library(
            name = "lib1",
            features = ["annotate_r_fields_from_transitive_deps"],
            manifest = "AndroidManifest.xml",
            resource_files = ["res/values/strings.xml"],
        )
        """);

    List<String> lib1args =
        getGeneratingSpawnActionArgs(getResourceArtifact(getConfiguredTarget("//java/lib1")));

    assertThat(lib1args).contains("--annotate_r_fields_from_transitive_deps");
  }

  @Test
  public void rClassGeneration_withoutAnnotationFeature_omitsFlag() throws Exception {
    scratch.file(
        "java/lib1/BUILD",
        """
        android_library(
            name = "lib1",
            manifest = "AndroidManifest.xml",
            resource_files = ["res/values/strings.xml"],
        )
        """);

    List<String> lib1args =
        getGeneratingSpawnActionArgs(getResourceArtifact(getConfiguredTarget("//java/lib1")));

    assertThat(lib1args).doesNotContain("--annotate_r_fields_from_transitive_deps");
  }

  @Test
  public void transitiveResourceDependencies_omitTransitiveResources() throws Exception {
    scratch.file(
        "java/lib1/BUILD",
        """
        package(features = ["android_resources_strict_deps"])

        android_library(
            name = "lib1",
            manifest = "AndroidManifest.xml",
            resource_files = ["res/values/strings.xml"],
            deps = ["//java/lib2"],
        )
        """);
    scratch.file(
        "java/lib2/BUILD",
        """
        android_library(
            name = "lib2",
            manifest = "AndroidManifest.xml",
            resource_files = ["res/values/strings.xml"],
            deps = ["//java/lib3"],
        )
        """);
    scratch.file(
        "java/lib3/BUILD",
        """
        android_library(
            name = "lib3",
            manifest = "AndroidManifest.xml",
            resource_files = ["res/values/strings.xml"],
        )
        """);

    ConfiguredTarget target = getConfiguredTarget("//java/lib1");

    List<String> rClassArgs = getRClassGenerationArgs(target);
    assertThat(getDependencyResourceLabels(rClassArgs, "--primaryData"))
        .containsExactly("//java/lib1:lib1");
    assertThat(getDependencyResourceLabels(rClassArgs, "--directData"))
        .containsExactly("//java/lib2:lib2");
    assertThat(rClassArgs).doesNotContain("--data");
    assertNoEvents();
  }

  // Note that this is really testing the 'feature' mechanism of Bazel rather than this specific
  // feature.  But it's not well documented, so we're testing this specific use case.
  @Test
  public void transitiveResourceDependencies_includeTransitiveResources() throws Exception {
    useConfiguration("--features=android_resources_strict_deps");
    scratch.file(
        "java/lib1/BUILD",
        """
        android_library(
            name = "lib1",
            # disable feature, which was presumably set in a global blazerc (above).
            features = ["-android_resources_strict_deps"],
            manifest = "AndroidManifest.xml",
            resource_files = ["res/values/strings.xml"],
            deps = ["//java/lib2"],
        )
        """);
    scratch.file(
        "java/lib2/BUILD",
        """
        android_library(
            name = "lib2",
            manifest = "AndroidManifest.xml",
            resource_files = ["res/values/strings.xml"],
            deps = ["//java/lib3"],
        )
        """);
    scratch.file(
        "java/lib3/BUILD",
        """
        android_library(
            name = "lib3",
            manifest = "AndroidManifest.xml",
            resource_files = ["res/values/strings.xml"],
        )
        """);

    ConfiguredTarget target = getConfiguredTarget("//java/lib1");

    List<String> args = getRClassGenerationArgs(target);
    assertThat(getDependencyResourceLabels(args, "--data")).containsExactly("//java/lib3:lib3");
    assertNoEvents();
  }

  @Test
  public void testCustomJavacopts() throws Exception {
    scratch.file(
        "java/android/BUILD",
        """
        android_library(
            name = "a",
            srcs = ["A.java"],
            javacopts = ["-g:lines,source"],
        )
        """);

    JavaCompileAction javacAction =
        (JavaCompileAction) getGeneratingActionForLabel("//java/android:liba.jar");

    assertThat(getJavacArguments(javacAction)).contains("-g:lines,source");
  }

  // Regression test for b/23079127

  @Test
  public void testSrcjarStrictDeps() throws Exception {
    scratch.file(
        "java/strict/BUILD",
        """
        android_library(
            name = "a",
            srcs = ["A.java"],
            deps = [":b"],
        )

        android_library(
            name = "b",
            srcs = ["b.srcjar"],
            deps = [":c"],
        )

        android_library(
            name = "c",
            srcs = ["C.java"],
        )
        """);

    JavaCompileAction javacAction =
        (JavaCompileAction) getGeneratingActionForLabel("//java/strict:liba.jar");

    assertThat(
            prettyArtifactNames(getInputs(javacAction, getDirectJars(javacAction))).stream()
                .filter(a -> !a.equals("tools/android/bootclasspath_android_only_auxiliary.jar")))
        .containsExactly("java/strict/libb-hjar.jar");
  }

  @Test
  public void testDisallowPrecompiledJars() throws Exception {
    checkError(
        "java/precompiled",
        "library",
        // messages:
        "does not produce any android_library srcs files (expected .java or .srcjar)",
        // build file:
        "android_library(",
        "    name = 'library',",
        "    srcs = [':jar'],",
        ")",
        "filegroup(",
        "    name = 'jar',",
        "    srcs = ['lib.jar'],",
        ")");
  }

  @Test
  public void hjarPredecessors() throws Exception {
    scratch.file(
        "java/test/BUILD",
        """
        android_library(
            name = "a",
            srcs = ["A.java"],
            deps = [":b"],
        )

        android_library(
            name = "b",
            srcs = ["B.java"],
        )
        """);

    useConfiguration("--java_header_compilation");
    Action a = getGeneratingActionForLabel("//java/test:liba.jar");
    List<String> inputs = prettyArtifactNames(a.getInputs());
    assertThat(inputs).doesNotContain("java/test/libb.jdeps");
    assertThat(inputs).contains("java/test/libb-hjar.jdeps");
  }

  @Test
  public void resourcesFromRuntimeDepsAreIncluded() throws Exception {
    scratch.file(
        "java/android/BUILD",
        """
        android_library(
            name = "dummyParentLibrary",
            srcs = ["libraryParent.java"],
            deps = [
                ":dummyLibraryOne",
                ":dummyLibraryTwo",
            ],
        )

        android_library(
            name = "dummyLibraryOne",
            srcs = ["libraryOne.java"],
            exports_manifest = 1,
            manifest = "AndroidManifest.xml",
            resource_files = ["res/drawable/dummyResource1.png"],
        )

        android_library(
            name = "dummyLibraryTwo",
            srcs = ["libraryTwo.java"],
            exports_manifest = 1,
            manifest = "AndroidManifest.xml",
            neverlink = 1,
            resource_files = ["res/drawable/dummyResource2.png"],
            deps = ["dummyLibraryNested"],
        )

        android_library(
            name = "dummyLibraryNested",
            srcs = ["libraryOne.java"],
            exports_manifest = 1,
            manifest = "AndroidManifest.xml",
            resource_files = ["res/drawable/dummyResource1.png"],
        )
        """);

    ConfiguredTarget target = getConfiguredTarget("//java/android:dummyLibraryOne");
    AndroidLibraryAarInfo provider = target.get(AndroidLibraryAarInfo.PROVIDER);
    assertThat(provider).isNotNull();

    target = getConfiguredTarget("//java/android:dummyLibraryTwo");
    provider = target.get(AndroidLibraryAarInfo.PROVIDER);
    assertThat(provider).isNull();

    target = getConfiguredTarget("//java/android:dummyParentLibrary");
    provider = target.get(AndroidLibraryAarInfo.PROVIDER);
    assertThat(provider).isNotNull();
    assertThat(provider.getTransitiveAars().toList()).hasSize(1);
  }

  @Test
  public void aapt2ArtifactGenerationWhenSdkIsDefined() throws Exception {
    scratch.file(
        "sdk/BUILD",
        "android_sdk(",
        "    name = 'sdk',",
        "    aapt = 'aapt',",
        "    aapt2 = 'aapt2',",
        "    adb = 'adb',",
        "    aidl = 'aidl',",
        "    android_jar = 'android.jar',",
        "    apksigner = 'apksigner',",
        "    dx = 'dx',",
        "    framework_aidl = 'framework_aidl',",
        "    main_dex_classes = 'main_dex_classes',",
        "    main_dex_list_creator = 'main_dex_list_creator',",
        "    proguard = 'proguard',",
        "    shrinked_android_jar = 'shrinked_android_jar',",
        "    zipalign = 'zipalign',",
        "    tags = ['__ANDROID_RULES_MIGRATION__'],",
        ")",
        "toolchain(",
        "    name = 'sdk_toolchain',",
        String.format("    toolchain_type = '%s',", TestConstants.ANDROID_TOOLCHAIN_TYPE_LABEL),
        "    toolchain = ':sdk',",
        ")");
    scratch.file(
        "java/a/BUILD",
        """
        android_library(
            name = "a",
            srcs = ["A.java"],
            manifest = "a/AndroidManifest.xml",
            resource_files = ["res/values/a.xml"],
            deps = [":b"],
        )

        android_library(
            name = "b",
            srcs = ["B.java"],
            manifest = "b/AndroidManifest.xml",
            resource_files = ["res/values/b.xml"],
        )
        """);

    useConfiguration("--extra_toolchains=//sdk:sdk_toolchain");
    ConfiguredTarget a = getConfiguredTarget("//java/a:a");
    ConfiguredTarget b = getDirectPrerequisite(a, "//java/a:b");
    ConfiguredTarget sdk = getDirectPrerequisite(a, "//sdk:sdk");
    SpawnAction compileAction =
        getGeneratingSpawnAction(
            getImplicitOutputArtifact(a, AndroidRuleClasses.ANDROID_COMPILED_SYMBOLS));
    assertThat(compileAction).isNotNull();

    SpawnAction linkAction =
        getGeneratingSpawnAction(
            getImplicitOutputArtifact(a, AndroidRuleClasses.ANDROID_LIBRARY_APK));
    assertThat(linkAction).isNotNull();

    assertThat(linkAction.getInputs().toList())
        .containsAtLeast(
            sdk.get(AndroidSdkProvider.PROVIDER).getAndroidJar(),
            getImplicitOutputArtifact(a, AndroidRuleClasses.ANDROID_COMPILED_SYMBOLS),
            getImplicitOutputArtifact(b, AndroidRuleClasses.ANDROID_COMPILED_SYMBOLS));
    assertThat(linkAction.getOutputs())
        .containsAtLeast(
            getImplicitOutputArtifact(a, AndroidRuleClasses.ANDROID_R_TXT),
            getImplicitOutputArtifact(a, AndroidRuleClasses.ANDROID_JAVA_SOURCE_JAR));
  }

  @Test
  public void aapt2ArtifactGenerationSkippedWhenSdkIsNotDefined() throws Exception {
    scratch.file(
        "java/a/BUILD",
        """
        android_library(
            name = "a",
            srcs = ["A.java"],
            manifest = "a/AndroidManifest.xml",
            resource_files = ["res/values/a.xml"],
        )
        """);

    RuleConfiguredTarget a = (RuleConfiguredTarget) getConfiguredTarget("//java/a:a");
    ActionsTestUtil.assertNoArtifactEndingWith(
        a, getImplicitOutputPath(a, AndroidRuleClasses.ANDROID_COMPILED_SYMBOLS));
    ActionsTestUtil.assertNoArtifactEndingWith(
        a, getImplicitOutputPath(a, AndroidRuleClasses.ANDROID_RESOURCES_AAPT2_LIBRARY_APK));
  }

  @Test
  public void compileDataBindingOutputWhenDataBindingEnabled() throws Exception {
    scratch.file(
        "java/a/BUILD",
        """
        android_library(
            name = "a",
            srcs = ["A.java"],
            enable_data_binding = 1,
            manifest = "a/AndroidManifest.xml",
            resource_files = ["res/values/a.xml"],
        )
        """);
    ConfiguredTarget a = getConfiguredTarget("//java/a:a");

    SpawnAction compileAction =
        getGeneratingSpawnAction(
            getImplicitOutputArtifact(a, AndroidRuleClasses.ANDROID_COMPILED_SYMBOLS));
    assertThat(compileAction).isNotNull();

    Iterable<String> args = paramFileArgsOrActionArgs(compileAction);
    assertThat(
            StreamSupport.stream(args.spliterator(), false)
                .anyMatch(
                    arg -> arg.contains("java/a/databinding-processed-resources/a/java/a/res")))
        .isTrue();
  }

  @Test
  public void testUseManifestFromResourceApk() throws Exception {
    scratch.file(
        "java/a/BUILD",
        """
        android_library(
            name = "a",
            srcs = ["A.java"],
            manifest = "a/AndroidManifest.xml",
            resource_files = ["res/values/a.xml"],
        )
        """);

    ConfiguredTarget target = getConfiguredTarget("//java/a:a");

    AndroidLibraryAarInfo provider = target.get(AndroidLibraryAarInfo.PROVIDER);
    assertThat(provider).isNotNull();
    assertThat(provider.getAar().getManifest().getPath().toString()).contains("processed_manifest");
  }

  @Test
  public void testAndroidLibraryValidatesProguardSpec() throws Exception {
    scratch.file(
        "java/com/google/android/hello/BUILD",
        """
        android_library(
            name = "l2",
            srcs = ["MoreMaps.java"],
            proguard_specs = ["library_spec.cfg"],
        )

        android_binary(
            name = "b",
            srcs = ["HelloApp.java"],
            manifest = "AndroidManifest.xml",
            proguard_specs = ["proguard-spec.pro"],
            deps = [":l2"],
        )
        """);
    Set<Artifact> transitiveArtifacts =
        actionsTestUtil()
            .artifactClosureOf(
                getFilesToBuild(getConfiguredTarget("//java/com/google/android/hello:b")));
    Action action =
        actionsTestUtil()
            .getActionForArtifactEndingWith(transitiveArtifacts, "library_spec.cfg_valid");
    assertWithMessage("proguard validate action was spawned for binary target.")
        .that(
            actionsTestUtil()
                .getActionForArtifactEndingWith(transitiveArtifacts, "proguard-spec.pro_valid"))
        .isNull();
    assertWithMessage("Proguard validate action was not spawned.")
        .that(prettyArtifactNames(action.getInputs()))
        .contains("java/com/google/android/hello/library_spec.cfg");
  }

  @Test
  public void testAndroidLibraryValidatesProguardSpecWithoutBinary() throws Exception {
    scratch.file(
        "java/com/google/android/hello/BUILD",
        """
        android_library(
            name = "l2",
            srcs = ["MoreMaps.java"],
            proguard_specs = ["library_spec.cfg"],
        )

        android_library(
            name = "l3",
            srcs = ["MoreMaps.java"],
            deps = [":l2"],
        )
        """);
    Action action =
        actionsTestUtil()
            .getActionForArtifactEndingWith(
                getOutputGroup(
                    getConfiguredTarget("//java/com/google/android/hello:l2"),
                    OutputGroupInfo.HIDDEN_TOP_LEVEL),
                "library_spec.cfg_valid");
    assertWithMessage("Proguard validate action was not spawned.").that(action).isNotNull();
    assertWithMessage("Proguard validate action was spawned without correct input.")
        .that(prettyArtifactNames(action.getInputs()))
        .contains("java/com/google/android/hello/library_spec.cfg");
    Action transitiveAction =
        actionsTestUtil()
            .getActionForArtifactEndingWith(
                getOutputGroup(
                    getConfiguredTarget("//java/com/google/android/hello:l3"),
                    OutputGroupInfo.HIDDEN_TOP_LEVEL),
                "library_spec.cfg_valid");
    assertWithMessage("Proguard validate action was not spawned.")
        .that(transitiveAction)
        .isNotNull();
    assertWithMessage("Proguard validate action was spawned without correct input.")
        .that(prettyArtifactNames(transitiveAction.getInputs()))
        .contains("java/com/google/android/hello/library_spec.cfg");
  }

  @Test
  public void testForwardedDeps() throws Exception {
    scratch.file(
        "java/fwdeps/BUILD",
        """
        android_library(
            name = "a",
            srcs = ["a.java"],
        )

        android_library(
            name = "b1",
            exports = [":a"],
        )

        android_library(
            name = "b2",
            srcs = [],
            exports = [":a"],
        )

        android_library(
            name = "c1",
            srcs = ["c1.java"],
            deps = [":b1"],
        )

        android_library(
            name = "c2",
            srcs = ["c2.java"],
            deps = [":b2"],
        )
        """);
    ConfiguredTarget c1Target = getConfiguredTarget("//java/fwdeps:c1");
    ConfiguredTarget c2Target = getConfiguredTarget("//java/fwdeps:c2");

    Iterable<String> c1Jars =
        ActionsTestUtil.baseArtifactNames(
            JavaInfo.getProvider(JavaCompilationInfoProvider.class, c1Target)
                .getCompilationClasspath()
                .getSet(Artifact.class));

    Iterable<String> c2Jars =
        ActionsTestUtil.baseArtifactNames(
            JavaInfo.getProvider(JavaCompilationInfoProvider.class, c2Target)
                .getCompilationClasspath()
                .getSet(Artifact.class));

    assertThat(c1Jars).containsExactly("liba-hjar.jar");
    assertThat(c2Jars).containsExactly("liba-hjar.jar");
    assertNoEvents();
  }

  @Test
  public void testExportsAreIndirectNotDirect() throws Exception {
    scratch.file(
        "java/exports/BUILD",
        """
        android_library(
            name = "a",
            srcs = ["a.java"],
        )

        android_library(
            name = "b",
            srcs = ["b.java"],
            exports = ["a"],
        )

        android_library(
            name = "c",
            srcs = ["c.java"],
            deps = [":b"],
        )
        """);

    ConfiguredTarget aTarget = getConfiguredTarget("//java/exports:a");
    ConfiguredTarget bTarget = getConfiguredTarget("//java/exports:b");
    ConfiguredTarget cTarget = getConfiguredTarget("//java/exports:c");

    ImmutableList<Artifact> bClasspath =
        JavaInfo.getProvider(JavaCompilationInfoProvider.class, bTarget)
            .getCompilationClasspath()
            .toList(Artifact.class);
    ImmutableList<Artifact> cClasspath =
        JavaInfo.getProvider(JavaCompilationInfoProvider.class, cTarget)
            .getCompilationClasspath()
            .toList(Artifact.class);

    assertThat(bClasspath).isEmpty();
    assertThat(cClasspath)
        .containsAtLeastElementsIn(
            JavaInfo.getProvider(JavaCompilationArgsProvider.class, aTarget)
                .getDirectCompileTimeJars()
                .toList());
    assertThat(cClasspath)
        .containsAtLeastElementsIn(
            JavaInfo.getProvider(JavaCompilationArgsProvider.class, bTarget)
                .getDirectCompileTimeJars()
                .toList());
    assertNoEvents();
  }

  @Test
  public void testAndroidJavacoptsCanBeOverridden() throws Exception {
    scratch.file(
        "java/android/BUILD",
        """
        android_library(
            name = "a",
            srcs = ["A.java"],
            javacopts = ["-g:lines,source"],
        )
        """);

    JavaCompileAction javacAction =
        (JavaCompileAction) getGeneratingActionForLabel("//java/android:liba.jar");

    String commandLine = Iterables.toString(getJavacArguments(javacAction));
    assertThat(commandLine).contains("-g:lines,source");
  }

  @Test
  public void testAarGeneration_localResources() throws Exception {
    scratch.file(
        "java/android/aartest/BUILD",
        """
        android_library(
            name = "aartest",
            assets = ["assets/some/random/file"],
            assets_dir = "assets",
            manifest = "AndroidManifest.xml",
            resource_files = ["res/values/strings.xml"],
            deps = ["dep"],
        )

        android_library(
            name = "dep",
            manifest = "AndroidManifest.xml",
            resource_files = ["dep/res/values/strings.xml"],
        )
        """);
    ConfiguredTarget target = getConfiguredTarget("//java/android/aartest:aartest");
    Artifact aar = getBinArtifact("aartest.aar", target);
    SpawnAction action =
        (SpawnAction)
            actionsTestUtil()
                .getActionForArtifactEndingWith(
                    actionsTestUtil().artifactClosureOf(aar), "aartest.aar");
    assertThat(action).isNotNull();
    assertThat(prettyArtifactNames(getNonToolInputs(action)))
        .containsAtLeast(
            "java/android/aartest/aartest_processed_manifest/AndroidManifest.xml",
            "java/android/aartest/aartest_symbols/R.txt",
            "java/android/aartest/res/values/strings.xml",
            "java/android/aartest/assets/some/random/file",
            "java/android/aartest/libaartest.jar");
  }

  @Test
  public void testAarGeneration_noResources() throws Exception {
    scratch.file(
        "java/android/aartest/BUILD",
        """
        android_library(
            name = "aartest",
            exports = ["dep"],
        )

        android_library(
            name = "dep",
            manifest = "AndroidManifest.xml",
            resource_files = ["dep/res/values/strings.xml"],
        )
        """);
    ConfiguredTarget target = getConfiguredTarget("//java/android/aartest:aartest");
    Artifact aar = getBinArtifact("aartest.aar", target);
    SpawnAction action =
        (SpawnAction)
            actionsTestUtil()
                .getActionForArtifactEndingWith(
                    actionsTestUtil().artifactClosureOf(aar), "aartest.aar");
    assertThat(action).isNotNull();
    assertThat(prettyArtifactNames(getNonToolInputs(action)))
        .containsAtLeast(
            "java/android/aartest/aartest_processed_manifest/AndroidManifest.xml",
            "java/android/aartest/aartest_symbols/R.txt",
            "java/android/aartest/libaartest.jar");
  }

  @Test
  public void testAarProvider_localResources() throws Exception {
    scratch.file(
        "java/android/BUILD",
        """
        android_library(
            name = "test",
            manifest = "AndroidManifest.xml",
            resource_files = ["res/values/strings.xml"],
            deps = [
                ":t1",
                ":t2",
            ],
        )

        android_library(
            name = "t1",
            manifest = "AndroidManifest.xml",
            resource_files = ["res/values/strings.xml"],
        )

        android_library(
            name = "t2",
            manifest = "AndroidManifest.xml",
            resource_files = ["res/values/strings.xml"],
        )
        """);
    ConfiguredTarget target = getConfiguredTarget("//java/android:test");
    ConfiguredTarget t1Target = getConfiguredTarget("//java/android:t1");
    ConfiguredTarget t2Target = getConfiguredTarget("//java/android:t2");
    final AndroidLibraryAarInfo provider = target.get(AndroidLibraryAarInfo.PROVIDER);

    final Aar test =
        Aar.create(
            getBinArtifact("test.aar", target),
            getBinArtifact("test_processed_manifest/AndroidManifest.xml", target));
    final Aar t1 =
        Aar.create(
            getBinArtifact("t1.aar", t1Target),
            getBinArtifact("t1_processed_manifest/AndroidManifest.xml", t1Target));
    final Aar t2 =
        Aar.create(
            getBinArtifact("t2.aar", t2Target),
            getBinArtifact("t2_processed_manifest/AndroidManifest.xml", t2Target));

    assertThat(provider.getAar()).isEqualTo(test);
    assertThat(provider.getTransitiveAars().toList()).containsExactly(test, t1, t2);
  }

  @Test
  public void testAarProvider_noResources() throws Exception {
    scratch.file(
        "java/android/BUILD",
        """
        android_library(
            name = "test",
            exports = [":transitive"],
        )

        android_library(
            name = "transitive",
            manifest = "AndroidManifest.xml",
            resource_files = ["res/values/strings.xml"],
        )
        """);
    ConfiguredTarget target = getConfiguredTarget("//java/android:test");
    final AndroidLibraryAarInfo provider = target.get(AndroidLibraryAarInfo.PROVIDER);
    ConfiguredTarget transitiveTarget = getConfiguredTarget("//java/android:transitive");

    final Aar transitive =
        Aar.create(
            getBinArtifact("transitive.aar", transitiveTarget),
            getBinArtifact("transitive_processed_manifest/AndroidManifest.xml", transitiveTarget));

    assertThat(provider.getAar()).isNull();
    assertThat(provider.getTransitiveAars().toList()).containsExactly(transitive);
  }

  @Test
  public void nativeHeaderOutputs() throws Exception {
    scratch.file(
        "java/com/google/jni/BUILD",
        """
        android_library(
            name = "jni",
            srcs = [
                "Bar.java",
                "Foo.java",
            ],
        )
        """);

    FileConfiguredTarget target = getFileConfiguredTarget("//java/com/google/jni:libjni.jar");
    JavaCompileAction action = (JavaCompileAction) getGeneratingAction(target.getArtifact());
    String outputPath = outputPath(action, "java/com/google/jni/libjni-native-header.jar");
    Iterable<String> result = getJavacArguments(action);
    assertThat(Joiner.on(' ').join(result))
        .contains(Joiner.on(' ').join("--native_header_output", outputPath));

    Artifact nativeHeaderOutput =
        JavaInfo.getProvider(
                JavaRuleOutputJarsProvider.class, getConfiguredTarget("//java/com/google/jni"))
            .getNativeHeaders();
    assertThat(nativeHeaderOutput.getExecPathString()).isEqualTo(outputPath);
  }

  private static String outputPath(Action action, String suffix) {
    System.err.println(action.getOutputs());
    Artifact artifact = ActionsTestUtil.getFirstArtifactEndingWith(action.getOutputs(), suffix);
    return verifyNotNull(artifact, suffix).getExecPath().getPathString();
  }

  @Test
  public void starlarkJavaInfoToAndroidLibraryAttributes() throws Exception {
    scratch.file(
        "foo/extension.bzl",
        """
        def _impl(ctx):
            dep_params = ctx.attr.dep[JavaInfo]
            return [dep_params]

        my_rule = rule(
            _impl,
            attrs = {
                "dep": attr.label(),
            },
        )
        """);
    scratch.file(
        "foo/BUILD",
        """
        load(":extension.bzl", "my_rule")

        android_library(
            name = "al_bottom_for_deps",
            srcs = ["java/A.java"],
        )

        android_library(
            name = "jl_bottom_for_exports",
            srcs = ["java/A2.java"],
        )

        my_rule(
            name = "mya",
            dep = ":al_bottom_for_deps",
        )

        my_rule(
            name = "myb",
            dep = ":jl_bottom_for_exports",
        )

        android_library(
            name = "lib_foo",
            srcs = ["java/B.java"],
            exports = [":myb"],
            deps = [":mya"],
        )
        """);

    // Test that all bottom jars are on the runtime classpath of lib_android.
    ConfiguredTarget target = getConfiguredTarget("//foo:lib_foo");

    ImmutableList<Artifact> transitiveSrcJars =
        OutputGroupInfo.get(target).getOutputGroup(JavaSemantics.SOURCE_JARS_OUTPUT_GROUP).toList();
    assertThat(ActionsTestUtil.baseArtifactNames(transitiveSrcJars))
        .containsExactly(
            "libjl_bottom_for_exports-src.jar",
            "libal_bottom_for_deps-src.jar",
            "liblib_foo-src.jar");
    ImmutableList<Artifact> directSrcJars =
        OutputGroupInfo.get(target)
            .getOutputGroup(JavaSemantics.DIRECT_SOURCE_JARS_OUTPUT_GROUP)
            .toList();
    assertThat(ActionsTestUtil.baseArtifactNames(directSrcJars))
        .containsExactly("liblib_foo-src.jar");
  }

  @Test
  public void testLocalResourcesFirstInJavaCompilationClasspath() throws Exception {
    scratch.file(
        "java/foo/BUILD",
        """
        android_library(
            name = "dep",
            srcs = ["dep.java"],
            manifest = "AndroidManifest.xml",
            resource_files = ["res/values/dep.xml"],
        )

        android_library(
            name = "lib",
            srcs = ["lib.java"],
            manifest = "AndroidManifest.xml",
            resource_files = ["res/values/lib.xml"],
            deps = [":dep"],
        )
        """);

    JavaCompileAction javacAction =
        (JavaCompileAction)
            getGeneratingAction(getFileConfiguredTarget("//java/foo:liblib.jar").getArtifact());

    assertThat(
            prettyArtifactNames(getInputs(javacAction, getDirectJars(javacAction))).stream()
                .filter(a -> !a.equals("tools/android/bootclasspath_android_only_auxiliary.jar")))
        .containsExactly(
            "java/foo/lib_resources.jar", "java/foo/dep_resources.jar", "java/foo/libdep-hjar.jar")
        .inOrder();

    assertThat(
            prettyArtifactNames(getInputs(javacAction, getClasspath(javacAction))).stream()
                .filter(a -> !a.equals("tools/android/bootclasspath_android_only_auxiliary.jar")))
        .containsExactly(
            "java/foo/lib_resources.jar", "java/foo/dep_resources.jar", "java/foo/libdep-hjar.jar")
        .inOrder();
  }

  @Test
  public void testAndroidCcLinkParamsProvider() throws Exception {
    scratch.file(
        "java/foo/BUILD",
        """
        cc_library(
            name = "cc_dep",
            srcs = ["dep.cc"],
            linkopts = ["-CC_DEP"],
        )

        android_library(
            name = "lib",
            srcs = ["lib.java"],
            deps = [":cc_dep"],
        )
        """);

    ConfiguredTarget target = getConfiguredTarget("//java/foo:lib");

    assertThat(
            target
                .get(AndroidCcLinkParamsProvider.PROVIDER)
                .getLinkParams()
                .getCcLinkingContext()
                .getFlattenedUserLinkFlags())
        .containsExactly("-CC_DEP")
        .inOrder();
  }

  /** Returns command-line arguments used in the AndroidCompiledResourceMerger action. */
  private List<String> getRClassGenerationArgs(ConfiguredTarget androidLibrary) throws Exception {
    return getGeneratingSpawnActionArgs(
        getValidatedAndroidResources(androidLibrary).getJavaClassJar());
  }

  private static ValidatedAndroidResources getValidatedAndroidResources(
      ConfiguredTarget androidLibrary) {
    return androidLibrary
        .get(AndroidResourcesInfo.PROVIDER)
        .getDirectAndroidResources()
        .getSingleton();
  }

  /**
   * Decodes arguments provided as {@link com.google.devtools.build.android.SerializedAndroidData}.
   */
  private static ImmutableList<String> getDependencyResourceLabels(List<String> args, String flag) {
    String value = getFlagValue(args, flag);
    ImmutableList.Builder<String> result = ImmutableList.builder();
    for (String dependency : Splitter.on(',').split(value)) {
      assertThat(dependency).matches("([^;]*;){3}[^;]*");
      result.add(dependency.split(";", -1)[2]);
    }
    return result.build();
  }

  /** Returns names of files being sent to the AndroidResourceCompiler action. */
  private ImmutableList<String> getResourceCompilationInputFiles(ConfiguredTarget androidLibrary) {
    SpawnAction action =
        getGeneratingSpawnAction(
            androidLibrary
                .get(AndroidResourcesInfo.PROVIDER)
                .getDirectAndroidResources()
                .getSingleton()
                .getCompiledSymbols());
    return action.getInputs().toList().stream()
        .map(Artifact::getRootRelativePathString)
        .collect(ImmutableList.toImmutableList());
  }

  /** Returns command-line arguments used in the AndroidCompiledResourceMerger action. */
  private List<String> getResourceMergingArgs(ConfiguredTarget androidLibrary) throws Exception {
    return getGeneratingSpawnActionArgs(
        androidLibrary
            .get(AndroidResourcesInfo.PROVIDER)
            .getDirectAndroidResources()
            .getSingleton()
            .getJavaClassJar());
  }

  /**
   * Decodes arguments provided as {@link com.google.devtools.build.android.SerializedAndroidData}.
   */
  private static List<String> getDependencyAssetDirs(List<String> actualArgs, String flag) {
    String actualFlagValue = getFlagValue(actualArgs, flag);
    ImmutableList.Builder<String> actualPaths = ImmutableList.builder();
    for (String resourceDependency : Splitter.on(',').split(actualFlagValue)) {
      assertThat(actualFlagValue).matches("[^;]*;[^;]*;[^;]*;.*");
      actualPaths.add(resourceDependency.split(";", -1)[1].split("#"));
    }
    return actualPaths.build();
  }

  private static String getFlagValue(List<String> argv, String flag) {
    assertThat(argv).contains(flag);
    return argv.get(argv.indexOf(flag) + 1);
  }
}