| // Copyright 2021 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.generatedprojecttest; |
| |
| import static com.google.common.truth.Truth.assertThat; |
| import static org.junit.Assert.assertThrows; |
| |
| import com.google.devtools.build.lib.generatedprojecttest.util.BuildFileContentsGenerator; |
| import com.google.devtools.build.lib.generatedprojecttest.util.TestProjectBuilder; |
| import com.google.devtools.build.lib.testutil.BuildRuleBuilder; |
| import com.google.devtools.build.lib.testutil.Scratch; |
| import com.google.devtools.build.lib.vfs.FileSystemUtils; |
| import com.google.devtools.build.lib.vfs.Path; |
| import java.io.IOException; |
| import net.starlark.java.syntax.ParserInput; |
| import net.starlark.java.syntax.StarlarkFile; |
| import net.starlark.java.syntax.SyntaxError; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.JUnit4; |
| |
| /** |
| * Tests for {@code BuildFileContentsGenerator}. |
| */ |
| @RunWith(JUnit4.class) |
| public final class BuildFileContentsGeneratorTest { |
| |
| /** |
| * The generator being tested. |
| */ |
| private final BuildFileContentsGenerator generator = new BuildFileContentsGenerator(); |
| |
| @Test |
| public void testSetDefaultPackageVisibility() throws IllegalStateException { |
| generator.setDefaultPackageVisibility("//visibility:private"); |
| assertThat(generator.getContents()) |
| .startsWith("package(default_visibility = ['//visibility:private'])"); |
| } |
| |
| @Test |
| public void defaultPackageVisibilityIsAddedToStartOfBuildFile() throws IllegalStateException { |
| generator.addRule(new BuildRuleBuilder("java_library", generator.uniqueRuleName())); |
| generator.setDefaultPackageVisibility("//visibility:private"); |
| assertThat(generator.getContents()) |
| .startsWith("package(default_visibility = ['//visibility:private'])"); |
| } |
| |
| @Test |
| public void defaultPackageVisibilityDefaultsToPublic() throws IllegalStateException { |
| generator.addRule(new BuildRuleBuilder("java_library", generator.uniqueRuleName())); |
| assertThat(generator.getContents()) |
| .startsWith("package(default_visibility = ['//visibility:public'])"); |
| } |
| |
| @Test |
| public void settingDefaultPackageVisibilityTwiceCausesException() throws IllegalStateException { |
| generator.setDefaultPackageVisibility("//visibility:private"); |
| assertThrows( |
| IllegalStateException.class, |
| () -> generator.setDefaultPackageVisibility("//visibility:private")); |
| } |
| |
| @Test |
| public void testContentsSyntax() throws IOException { |
| // TODO(blaze-team): (2012) write various simple generator examples to test the generated syntax |
| TestProjectBuilder builder = new TestProjectBuilder("tmp"); |
| BuildFileContentsGenerator generator = new BuildFileContentsGenerator(); |
| builder.createFileInDir("/a", "BUILD", generator); |
| Scratch scratch = builder.getScratch(); |
| Path path = scratch.resolve("/tmp/a/BUILD"); |
| |
| byte[] bytes = FileSystemUtils.readWithKnownFileSize(path, path.getFileSize()); |
| ParserInput input = ParserInput.fromLatin1(bytes, path.toString()); |
| StarlarkFile file = StarlarkFile.parse(input); |
| for (SyntaxError error : file.errors()) { |
| System.err.println(error); |
| } |
| assertThat(file.ok()).isTrue(); |
| } |
| } |