| // Copyright 2015 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.packages; |
| |
| import static com.google.common.truth.Truth.assertThat; |
| import static org.junit.Assert.assertThrows; |
| |
| import com.google.common.base.Joiner; |
| import com.google.devtools.build.lib.events.util.EventCollectionApparatus; |
| import com.google.devtools.build.lib.packages.util.PackageFactoryApparatus; |
| import com.google.devtools.build.lib.testutil.Scratch; |
| import com.google.devtools.build.lib.vfs.Path; |
| import com.google.devtools.build.lib.vfs.Root; |
| import com.google.devtools.build.lib.vfs.RootedPath; |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.List; |
| import org.junit.Before; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.JUnit4; |
| |
| /** A test for the {@code exports_files} function defined in {@link PackageFactory}. */ |
| @RunWith(JUnit4.class) |
| public class ExportsFilesTest { |
| |
| private Scratch scratch = new Scratch("/workspace"); |
| private EventCollectionApparatus events = new EventCollectionApparatus(); |
| private PackageFactoryApparatus packages = new PackageFactoryApparatus(events.reporter()); |
| private Root root; |
| |
| @Before |
| public void setUp() throws Exception { |
| root = Root.fromPath(scratch.dir("")); |
| } |
| |
| private Package pkg() throws Exception { |
| Path buildFile = scratch.file("pkg/BUILD", |
| "exports_files(['foo.txt', 'bar.txt'])"); |
| return packages.createPackage("pkg", RootedPath.toRootedPath(root, buildFile)); |
| } |
| |
| @Test |
| public void testExportsFilesRegistersFilesWithPackage() throws Exception { |
| List<String> names = getFileNamesOf(pkg()); |
| String expected = "//pkg:BUILD //pkg:bar.txt //pkg:foo.txt"; |
| assertThat(Joiner.on(' ').join(names)).isEqualTo(expected); |
| } |
| |
| /** |
| * Returns the names of the input files that are known to pkg. |
| */ |
| private static List<String> getFileNamesOf(Package pkg) { |
| List<String> names = new ArrayList<>(); |
| for (FileTarget target : pkg.getTargets(FileTarget.class)) { |
| names.add(target.getLabel().toString()); |
| } |
| Collections.sort(names); |
| return names; |
| } |
| |
| @Test |
| public void testFileThatsNotRegisteredYieldsUnknownTargetException() throws Exception { |
| NoSuchTargetException e = |
| assertThrows(NoSuchTargetException.class, () -> pkg().getTarget("baz.txt")); |
| assertThat(e) |
| .hasMessageThat() |
| .isEqualTo( |
| "no such target '//pkg:baz.txt':" |
| + " target 'baz.txt' not declared in package 'pkg' (did you mean 'bar.txt'?)" |
| + " defined by /workspace/pkg/BUILD"); |
| } |
| |
| @Test |
| public void testRegisteredFilesAreRetrievable() throws Exception { |
| Package pkg = pkg(); |
| assertThat(pkg.getTarget("foo.txt").getName()).isEqualTo("foo.txt"); |
| assertThat(pkg.getTarget("bar.txt").getName()).isEqualTo("bar.txt"); |
| } |
| |
| @Test |
| public void testExportsFilesAndRuleNameConflict() throws Exception { |
| events.setFailFast(false); |
| |
| Path buildFile = scratch.file("pkg2/BUILD", |
| "exports_files(['foo'])", |
| "genrule(name = 'foo', srcs = ['bar'], outs = [],", |
| " cmd = '/bin/true')"); |
| Package pkg = packages.createPackage("pkg2", RootedPath.toRootedPath(root, buildFile)); |
| events.assertContainsError("rule 'foo' in package 'pkg2' conflicts with " |
| + "existing source file"); |
| assertThat(pkg.getTarget("foo") instanceof InputFile).isTrue(); |
| } |
| |
| } |