// 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.collect.Iterables.getOnlyElement;
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.ImmutableMap;
import com.google.common.collect.Iterables;
import com.google.common.collect.Lists;
import com.google.common.truth.Truth;
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.BuildConfiguration.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.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.JavaExportsProvider;
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.skyframe.ConfiguredTargetAndData;
import com.google.devtools.build.lib.vfs.PathFragment;
import java.util.Arrays;
import java.util.Collection;
import java.util.List;
import java.util.Set;
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 {

  @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',",
        "        ':gvalid',",
        "        ':gmix',",
        "    ],",
        ")",
        "android_library(",
        "    name = 'invalid',",
        "    srcs = [",
        "        'a.foo',",
        "        ':ginvalid',",
        "    ],",
        ")",
        "android_library(",
        "    name = 'mix',",
        "    srcs = [",
        "        'a.java',",
        "        'a.foo',",
        "    ],",
        ")",
        "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'])");
    SpawnAction javacAction = (SpawnAction) 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();
    SpawnAction compileAction = (SpawnAction) 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();
    SpawnAction compileAction = (SpawnAction) 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();
    SpawnAction compileAction = (SpawnAction) 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'])");
    List<String> commandLine =
        getGeneratingSpawnActionArgs(
            getFileConfiguredTarget("//java/android:libb.jar").getArtifact());
    assertThat(commandLine).containsAllOf("--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'])");
    List<String> commandLine =
        getGeneratingSpawnActionArgs(
            getFileConfiguredTarget("//java/android:libb.jar").getArtifact());
    assertThat(commandLine).containsAllOf("--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',",
        "    plugins = [':plugin'],",
        "    srcs = ['ToBeProcessed.java'],",
        ")");
    ConfiguredTarget target = getConfiguredTarget("//java/test:to_be_processed");

    OutputFileConfiguredTarget output = (OutputFileConfiguredTarget)
        getFileConfiguredTarget("//java/test:libto_be_processed.jar");
    SpawnAction javacAction = (SpawnAction) 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");
    SpawnAction javacAction = (SpawnAction) 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:
        getErrorMsgMisplacedRules(
            "plugins",
            "android_library",
            "//java/test:lib",
            "java_library",
            "//java/test:not_a_plugin"),
        // 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 testDisallowDepsWithoutSrcsWarning() throws Exception {
    useConfiguration("--experimental_allow_android_library_deps_without_srcs=true");
    checkWarning(
        "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 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");

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

    SpawnAction bAction = (SpawnAction) 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'],",
        ")");

    SpawnAction aAction = (SpawnAction) 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");

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

    assertThat(prettyArtifactNames(getInputs(javacAction, getDirectJars(javacAction))))
        .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 testTransitiveExports() throws Exception {
    scratch.file(
        "java/com/google/exports/BUILD",
        "android_library(",
        "    name = 'dummy',",
        "    srcs = ['dummy.java'],",
        "    exports = [':dummy2'],",
        ")",
        "android_library(",
        "    name = 'dummy2',",
        "    srcs = ['dummy2.java'],",
        "    exports = [':dummy3'],",
        ")",
        "android_library(",
        "    name = 'dummy3',",
        "    srcs = ['dummy3.java'],",
        "    exports = [':dummy4'],",
        ")",
        "android_library(",
        "    name = 'dummy4',",
        "    srcs = ['dummy4.java'],",
        ")");

    ConfiguredTarget target = getConfiguredTarget("//java/com/google/exports:dummy");
    List<Label> exports =
        ImmutableList.copyOf(
            JavaInfo.getProvider(JavaExportsProvider.class, target).getTransitiveExports());
    assertThat(exports)
        .containsExactly(
            Label.parseAbsolute("//java/com/google/exports:dummy2", ImmutableMap.of()),
            Label.parseAbsolute("//java/com/google/exports:dummy3", ImmutableMap.of()),
            Label.parseAbsolute("//java/com/google/exports:dummy4", ImmutableMap.of()));
    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).isSameAs(classJarAction);

    PathFragment genfilesPath =
        getTargetConfiguration()
            .getGenfilesDirectory(RepositoryName.MAIN)
            .getExecPath()
            .getRelative("java/android/idl_aidl/java/android");
    assertThat(classJarAction.getArguments()).containsAllOf(
        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) {
      asString.add(artifact.getRootRelativePathString());
    }
    assertThat(asString).containsAllOf(
        "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',",
        "    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__'],",
        ")",
        "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',",
        "    deps = [':library'],",
        "    manifest = 'AndroidManifest.xml',",
        "    proguard_specs = ['proguard-spec.pro'],",
        ")",
        "android_binary(",
        "    name = 'binary_no_idl',",
        "    deps = [':library_no_idl'],",
        "    manifest = 'AndroidManifest.xml',",
        "    proguard_specs = ['proguard-spec.pro'],",
        ")");
    useConfiguration("--android_sdk=//sdk:sdk");

    // 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();
  }

  private List<String> getDependentAssetDirs(String flag, List<String> actualArgs) {
    assertThat(actualArgs).contains(flag);
    String actualFlagValue = actualArgs.get(actualArgs.indexOf(flag) + 1);
    ImmutableList.Builder<String> actualPaths = ImmutableList.builder();
    for (String resourceDependency : Splitter.on(',').split(actualFlagValue)) {
      assertThat(actualFlagValue).matches("[^;]*;[^;]*;[^;]*;.*");
      actualPaths.add(resourceDependency.split(";")[1].split("#"));
    }
    return actualPaths.build();
  }

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

    List<String> args = getGeneratingSpawnActionArgs(getResourceArtifact(resource));
    assertPrimaryResourceDirs(ImmutableList.of("c/b/m/a/b_/res"), args);
  }

  @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");

    List<String> args = getGeneratingSpawnActionArgs(getResourceArtifact(resource));
    assertPrimaryResourceDirs(ImmutableList.of("java/android/res"), args);
  }

  @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");

    List<String> args = getGeneratingSpawnActionArgs(getResourceArtifact(resource));
    assertPrimaryResourceDirs(ImmutableList.of("java/android/res"), args);
  }

  @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");

    List<String> args = getGeneratingSpawnActionArgs(getResourceArtifact(resource));
    assertPrimaryResourceDirs(ImmutableList.of("java/other/res"), args);
    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");

    List<String> args = getGeneratingSpawnActionArgs(getResourceArtifact(resource));
    assertPrimaryResourceDirs(ImmutableList.of("java/other/res"), args);
    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");

    List<String> args = getGeneratingSpawnActionArgs(getResourceArtifact(resource));
    assertPrimaryResourceDirs(ImmutableList.of("java/other/res"), args);
    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");

    List<String> args = getGeneratingSpawnActionArgs(getResourceArtifact(resource));
    assertPrimaryResourceDirs(ImmutableList.of("java/other/res"), args);
    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));
  }

  // regression test for #3294893
  @Test
  public void testNoJavaPathFoundDoesNotThrow() throws Exception {
    checkError(
        "third_party/java_src/android/app",
        "r",
        "The location of your BUILD file determines the Java package used for Android resource "
            + "processing. A directory named \"java\" or \"javatests\" will be used as your Java "
            + "source root and the path of your BUILD file relative to the Java source root will "
            + "be used as the package for Android resource processing. The Java source root could "
            + "not be determined for \"third_party/java_src/android/app\". Move your BUILD file "
            + "under a java or javatests directory, or set the 'custom_package' attribute.",
        "licenses(['notice'])",
        "android_library(",
        "    name = 'r',",
        "    manifest = 'AndroidManifest.xml',",
        ")");
  }

  @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();
    List<String> args = getGeneratingSpawnActionArgs(getResourceArtifact(r));
    assertContainsSublist(args,
        ImmutableList.of("--packageForR", "com.google.android.bar"));
  }

  @Test
  public void testDebugConfiguration() throws Exception {
    scratch.file(
        "java/apps/android/BUILD",
        "android_library(",
        "    name = 'r',",
        "    manifest = 'AndroidManifest.xml',",
        ")");
    checkDebugMode("//java/apps/android:r", true);
    useConfiguration("--compilation_mode=opt");
    checkDebugMode("//java/apps/android:r", false);
  }

  @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',",
        "    neverlink = 1,",
        "    manifest = 'AndroidManifest.xml',",
        "    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(), getLabel))
        .containsExactly(
            Label.parseAbsolute("//java/apps/android:lib", ImmutableMap.of()),
            Label.parseAbsolute("//java/apps/android:bar", ImmutableMap.of()));
    assertThat(
            Iterables.transform(
                foo.get(AndroidResourcesInfo.PROVIDER).getDirectAndroidResources(), getLabel))
        .containsExactly(Label.parseAbsolute("//java/apps/android:foo", ImmutableMap.of()));

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

    ConfiguredTarget libNeverlink = getConfiguredTarget("//java/apps/android:lib_neverlink");
    assertThat(libNeverlink.get(AndroidResourcesInfo.PROVIDER).getTransitiveAndroidResources())
        .isEmpty();
    assertThat(libNeverlink.get(AndroidResourcesInfo.PROVIDER).getDirectAndroidResources())
        .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',",
        "    neverlink = 1,",
        "    manifest = 'AndroidManifest.xml',",
        ")",
        "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())
        .contains(
            ActionsTestUtil.getFirstArtifactEndingWith(
                actionsTestUtil().artifactClosureOf(neverLinkFilesToBuild),
                "lib_neverlink_resources.jar"));
    assertThat(argsProvider.getDirectCompileTimeJars())
        .contains(
            ActionsTestUtil.getFirstArtifactEndingWith(
                actionsTestUtil().artifactClosureOf(libFilesToBuild), "lib_resources.jar"));

    assertThat(argsProvider.getRuntimeJars())
        .doesNotContain(
            ActionsTestUtil.getFirstArtifactEndingWith(
                actionsTestUtil().artifactClosureOf(neverLinkFilesToBuild),
                "lib_neverlink_resources.jar"));
    assertThat(argsProvider.getRuntimeJars())
        .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 =
        Iterables.getOnlyElement(
            target.get(AndroidResourcesInfo.PROVIDER).getDirectAndroidResources());

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

  private void checkDebugMode(String target, boolean isDebug) throws Exception {
    ConfiguredTarget foo = getConfiguredTarget(target);
    SpawnAction action = (SpawnAction) actionsTestUtil().getActionForArtifactEndingWith(
        getFilesToBuild(foo), "r.srcjar");

    assertThat(ImmutableList.copyOf(paramFileArgsOrActionArgs(action)).contains("--debug"))
        .isEqualTo(isDebug);
  }

  @Test
  public void testGeneratedManifestPackage() throws Exception {
    scratch.file(
        "java/android/BUILD",
        "android_library(",
        "    name = 'l',",
        "    srcs = ['foo.java'],",
        ")",
        "android_library(",
        "    name = 'l2',",
        "    custom_package = 'foo',",
        "    srcs = ['foo.java'],",
        ")");
    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_srcs = [':idl'],",
        "    idl_parcelables = ['MyParcelable.aidl'],",
        ")");
    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())
        .containsAllOf("-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',",
        "    manifest = 'AndroidManifest.xml',",
        "    idl_srcs = [ 'MyInterface.aidl' ],",
        "    resource_files = glob(['res/**']),",
        "    assets_dir = 'assets',",
        "    assets = glob(['assets/**']) + [':genrule']",
        ")");
    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 =
        getOnlyElement(
            getConfiguredTarget("//java/android:r")
                .get(AndroidResourcesInfo.PROVIDER)
                .getDirectAndroidResources());
    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 =
        getOnlyElement(
            getConfiguredTarget("//research/handwriting/java/com/google/research/handwriting:r")
                .get(AndroidResourcesInfo.PROVIDER)
                .getDirectAndroidResources());
    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',",
        "    manifest = 'AndroidManifest.xml',",
        "    idl_srcs = [ ':idl' ],",
        "    idl_parcelables = [ 'MyInterface.aidl' ],",
        "    resource_files = glob(['res/**']),",
        "    assets_dir = 'assets',",
        "    assets = glob(['assets/**']) + [':genrule']",
        ")");
    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 =
        getOnlyElement(
            getConfiguredTarget("//java/android:r")
                .get(AndroidResourcesInfo.PROVIDER)
                .getDirectAndroidResources());
    assertThat(provider.getGeneratedManifest()).isEqualTo(resources.getManifest());
  }

  @Test
  public void testAndroidLibraryWithMessagesDoNotCrash() throws Exception {
    scratch.file(
        "java/com/google/atest/BUILD",
        "filegroup(",
        "    name = 'sources',",
        "    srcs = [",
        "        'source.java',",
        "        'message.xmb',",
        "    ],",
        ")",
        "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',",
        "    manifest = 'AndroidManifest.xml',",
        "    resource_files = ['d1-res/values/strings.xml'],",
        "    assets = ['assets-d1/some/random/file'],",
        "    assets_dir = 'assets-d1',",
        "    deps = ['//java/android/resources/d2:d2'],",
        ")");
    scratch.file(
        "java/android/resources/d2/BUILD",
        "android_library(",
        "    name = 'd2',",
        "    manifest = 'AndroidManifest.xml',",
        "    assets = ['assets-d2/some/random/file'],",
        "    assets_dir = 'assets-d2',",
        "    resource_files = ['d2-res/values/strings.xml'],",
        ")");
    ConfiguredTarget resource = getConfiguredTarget("//java/android/resources/d1:d1");
    List<String> args = getGeneratingSpawnActionArgs(getResourceArtifact(resource));
    assertPrimaryResourceDirs(ImmutableList.of("java/android/resources/d1/d1-res"), args);
    assertThat(getDirectDependentResourceDirs(args)).contains("java/android/resources/d2/d2-res");

    List<String> assetArgs = getGeneratingSpawnActionArgs(getDecoupledAssetArtifact(resource));
    assertThat(getDependentAssetDirs("--directData", assetArgs))
        .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',",
        "    manifest = 'AndroidManifest.xml',",
        "    resource_files = ['d1-res/values/strings.xml'],",
        "    assets = ['assets-d1/some/random/file'],",
        "    assets_dir = 'assets-d1',",
        "    deps = ['//java/android/resources/d2:d2']",
        ")");
    scratch.file(
        "java/android/resources/d2/BUILD",
        "android_library(",
        "    name = 'd2',",
        "    manifest = 'AndroidManifest.xml',",
        "    assets = ['assets-d2/some/random/file'],",
        "    assets_dir = 'assets-d2',",
        "    resource_files = ['d2-res/values/strings.xml'],",
        "    deps = ['//java/android/resources/d3:d3'],",
        ")");
    scratch.file(
        "java/android/resources/d3/BUILD",
        "android_library(",
        "    name = 'd3',",
        "    manifest = 'AndroidManifest.xml',",
        "    assets = ['assets-d3/some/random/file'],",
        "    assets_dir = 'assets-d3',",
        "    resource_files = ['d3-res/values/strings.xml'],",
        ")");

    ConfiguredTarget resource = getConfiguredTarget("//java/android/resources/d1:d1");
    List<String> args = getGeneratingSpawnActionArgs(getResourceArtifact(resource));
    assertPrimaryResourceDirs(ImmutableList.of("java/android/resources/d1/d1-res"), args);
    Truth.assertThat(getDirectDependentResourceDirs(args))
        .contains("java/android/resources/d2/d2-res");
    Truth.assertThat(getTransitiveDependentResourceDirs(args))
        .contains("java/android/resources/d3/d3-res");

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

    assertNoEvents();
  }

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

    SpawnAction javacAction = (SpawnAction) 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'],",
        ")");

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

    assertThat(prettyArtifactNames(getInputs(javacAction, getDirectJars(javacAction))))
        .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',",
        "    deps = [':dummyLibraryOne',",
        "    ':dummyLibraryTwo'],",
        "    srcs = ['libraryParent.java'],",
        ")",
        "android_library(",
        "    name = 'dummyLibraryOne',",
        "    exports_manifest = 1,",
        "    manifest = 'AndroidManifest.xml',",
        "    resource_files = ['res/drawable/dummyResource1.png'],",
        "    srcs = ['libraryOne.java'],",
        ")",
        "android_library(",
        "    name = 'dummyLibraryTwo',",
        "    exports_manifest = 1,",
        "    neverlink = 1,",
        "    manifest = 'AndroidManifest.xml',",
        "    resource_files = ['res/drawable/dummyResource2.png'],",
        "    deps = ['dummyLibraryNested'],",
        "    srcs = ['libraryTwo.java'],",
        ")",
        "android_library(",
        "    name = 'dummyLibraryNested',",
        "    exports_manifest = 1,",
        "    manifest = 'AndroidManifest.xml',",
        "    resource_files = ['res/drawable/dummyResource1.png'],",
        "    srcs = ['libraryOne.java'],",
        ")");

    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()).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__'],",
        ")");
    scratch.file(
        "java/a/BUILD",
        "android_library(",
        "    name = 'a', ",
        "    srcs = ['A.java'],",
        "    deps = [':b'],",
        "    manifest = 'a/AndroidManifest.xml',",
        "    resource_files = ['res/values/a.xml'],",
        ")",
        "android_library(",
        "    name = 'b', ",
        "    srcs = ['B.java'],",
        "    manifest = 'b/AndroidManifest.xml',",
        "    resource_files = ['res/values/b.xml'],",
        ")");

    useConfiguration("--android_sdk=//sdk:sdk");
    ConfiguredTargetAndData a = getConfiguredTargetAndData("//java/a:a");
    ConfiguredTargetAndData b = getConfiguredTargetAndDataDirectPrerequisite(a, "//java/a:b");
    ConfiguredTargetAndData sdk = getConfiguredTargetAndDataDirectPrerequisite(a, "//sdk:sdk");
    SpawnAction compileAction =
        getGeneratingSpawnAction(
            getImplicitOutputArtifact(
                a.getConfiguredTarget(),
                a.getConfiguration(),
                AndroidRuleClasses.ANDROID_COMPILED_SYMBOLS));
    assertThat(compileAction).isNotNull();

    SpawnAction linkAction =
        getGeneratingSpawnAction(
            getImplicitOutputArtifact(
                a.getConfiguredTarget(),
                a.getConfiguration(),
                AndroidRuleClasses.ANDROID_RESOURCES_AAPT2_LIBRARY_APK));
    assertThat(linkAction).isNotNull();

    assertThat(linkAction.getInputs())
        .containsAllOf(
            sdk.getConfiguredTarget().get(AndroidSdkProvider.PROVIDER).getAndroidJar(),
            getImplicitOutputArtifact(
                a.getConfiguredTarget(),
                a.getConfiguration(),
                AndroidRuleClasses.ANDROID_COMPILED_SYMBOLS),
            getImplicitOutputArtifact(
                b.getConfiguredTarget(),
                a.getConfiguration(),
                AndroidRuleClasses.ANDROID_COMPILED_SYMBOLS));
    assertThat(linkAction.getOutputs())
        .containsAllOf(
            getImplicitOutputArtifact(
                a.getConfiguredTarget(),
                a.getConfiguration(),
                AndroidRuleClasses.ANDROID_RESOURCES_AAPT2_R_TXT),
            getImplicitOutputArtifact(
                a.getConfiguredTarget(),
                a.getConfiguration(),
                AndroidRuleClasses.ANDROID_RESOURCES_AAPT2_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'],",
        ")");

    ConfiguredTarget a = getConfiguredTarget("//java/a:a");
    SpawnAction compileAction =
        getGeneratingSpawnAction(
            getImplicitOutputArtifact(a, AndroidRuleClasses.ANDROID_COMPILED_SYMBOLS));
    assertThat(compileAction).isNull();

    SpawnAction linkAction =
        getGeneratingSpawnAction(
            getImplicitOutputArtifact(a, AndroidRuleClasses.ANDROID_RESOURCES_AAPT2_LIBRARY_APK));
    assertThat(linkAction).isNull();
  }

  @Test
  public void compileDataBindingOutputWhenDataBindingEnabled() 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__'],",
        ")");
    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']",
        ")");
    useConfiguration("--android_sdk=//sdk:sdk");
    ConfiguredTarget a = getConfiguredTarget("//java/a:a");

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

    Iterable<String> args = paramFileArgsOrActionArgs(compileAction);
    assertThat(args).contains("--dataBindingInfoOut");
  }

  @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 testAndroidLibrary_SrcsLessDepsHostConfigurationNoOverride() throws Exception {
    scratch.file(
        "java/srclessdeps/BUILD",
        "android_library(",
        "    name = 'dep_for_foo',",
        "    srcs = ['a.java'],",
        ")",
        "android_library(",
        "    name = 'foo',",
        "    deps = [':dep_for_foo'],",
        ")",
        "genrule(",
        "    name = 'some_genrule',",
        "    tools = [':foo'],",
        "    outs = ['some_outs'],",
        "    cmd = '$(location :foo) do_something $@',",
        ")");

    useConfiguration("--experimental_allow_android_library_deps_without_srcs");
    // genrule builds its tools using the host configuration.
    ConfiguredTarget genruleTarget = getConfiguredTarget("//java/srclessdeps:some_genrule");
    ConfiguredTarget target = getDirectPrerequisite(genruleTarget, "//java/srclessdeps:foo");
    assertThat(
            getConfiguration(target)
                .getFragment(AndroidConfiguration.class)
                .allowSrcsLessAndroidLibraryDeps(getRuleContext(target)))
        .isTrue();
  }

  @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',",
        "    deps = [':l2'],",
        "    proguard_specs = ['proguard-spec.pro'],",
        ")");
    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());

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

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

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

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

    SpawnAction javacAction = (SpawnAction) 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',",
        "    deps = ['dep'],",
        "    manifest = 'AndroidManifest.xml',",
        "    resource_files = ['res/values/strings.xml'],",
        "    assets = ['assets/some/random/file'],",
        "    assets_dir = 'assets',",
        ")",
        "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)))
        .containsAllOf(
            "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)))
        .containsAllOf(
            "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',",
        "    inline_constants = 0,",
        "    manifest = 'AndroidManifest.xml',",
        "    resource_files = ['res/values/strings.xml'],",
        "    deps = [",
        "        ':t1',",
        "        ':t2',",
        "    ],",
        ")",
        "android_library(",
        "    name = 't1',",
        "    inline_constants = 0,",
        "    manifest = 'AndroidManifest.xml',",
        "    resource_files = ['res/values/strings.xml'],",
        ")",
        "android_library(",
        "    name = 't2',",
        "    inline_constants = 0,",
        "    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()).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()).containsExactly(transitive);
  }

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

    FileConfiguredTarget target = getFileConfiguredTarget("//java/com/google/jni:libjni.jar");
    SpawnAction action = (SpawnAction) getGeneratingAction(target.getArtifact());
    String outputPath = outputPath(action, "java/com/google/jni/libjni-native-header.jar");
    Iterable<String> result = paramFileArgsForAction(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 skylarkJavaInfoToAndroidLibraryAttributes() 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'],",
        "    deps = [':mya'],",
        "    exports = [':myb'],",
        ")");
    // Test that all bottom jars are on the runtime classpath of lib_android.
    ConfiguredTarget target = getConfiguredTarget("//foo:lib_foo");
    Collection<Artifact> transitiveSrcJars =
        OutputGroupInfo.get(target).getOutputGroup(JavaSemantics.SOURCE_JARS_OUTPUT_GROUP)
            .toCollection();
    assertThat(ActionsTestUtil.baseArtifactNames(transitiveSrcJars)).containsExactly(
        "libjl_bottom_for_exports-src.jar",
        "libal_bottom_for_deps-src.jar",
        "liblib_foo-src.jar");
  }

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

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

    assertThat(prettyArtifactNames(getInputs(javacAction, getDirectJars(javacAction))))
        .containsExactly(
            "java/foo/lib_resources.jar", "java/foo/dep_resources.jar", "java/foo/libdep-hjar.jar")
        .inOrder();

    assertThat(prettyArtifactNames(getInputs(javacAction, getClasspath(javacAction))))
        .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()
                .getCcLinkingInfo()
                .getDynamicModeParamsForDynamicLibrary()
                .flattenedLinkopts())
        .containsExactly("-CC_DEP")
        .inOrder();
  }
}