| // Copyright (c) 2021, the R8 project authors. Please see the AUTHORS file |
| // for details. All rights reserved. Use of this source code is governed by a |
| // BSD-style license that can be found in the LICENSE file. |
| |
| package com.android.tools.r8.retrace.api; |
| |
| import static java.nio.file.StandardCopyOption.REPLACE_EXISTING; |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertNotEquals; |
| import static org.junit.Assert.assertThrows; |
| import static org.junit.Assert.assertTrue; |
| |
| import com.android.tools.r8.TestBase; |
| import com.android.tools.r8.TestParameters; |
| import com.android.tools.r8.TestParametersCollection; |
| import com.android.tools.r8.TestRuntime.CfRuntime; |
| import com.android.tools.r8.ToolHelper; |
| import com.android.tools.r8.utils.ZipUtils; |
| import com.google.common.collect.ImmutableList; |
| import java.nio.file.Files; |
| import java.nio.file.Path; |
| import java.nio.file.Paths; |
| import java.util.List; |
| import java.util.stream.Collectors; |
| import java.util.stream.Stream; |
| import org.junit.Test; |
| import org.junit.rules.TemporaryFolder; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.Parameterized; |
| import org.junit.runners.Parameterized.Parameters; |
| |
| @RunWith(Parameterized.class) |
| public class RetraceApiBinaryCompatibilityTest extends TestBase { |
| |
| private final TestParameters parameters; |
| |
| @Parameters(name = "{0}") |
| public static TestParametersCollection data() { |
| return getTestParameters().withNoneRuntime().build(); |
| } |
| |
| public RetraceApiBinaryCompatibilityTest(TestParameters parameters) { |
| this.parameters = parameters; |
| } |
| |
| private static final Path BINARY_COMPATIBILITY_JAR = |
| Paths.get(ToolHelper.THIRD_PARTY_DIR, "retrace", "binary_compatibility", "tests.jar"); |
| |
| private Path generateJar() throws Exception { |
| return RetraceApiTestHelper.generateJarForRetraceBinaryTests( |
| temp, RetraceApiTestHelper.getBinaryCompatibilityTests()); |
| } |
| |
| @Test |
| public void testBinaryJarIsUpToDate() throws Exception { |
| Path binaryContents = temp.newFolder().toPath(); |
| Path generatedContents = temp.newFolder().toPath(); |
| ZipUtils.unzip(BINARY_COMPATIBILITY_JAR, binaryContents); |
| ZipUtils.unzip(generateJar(), generatedContents); |
| try (Stream<Path> existingPaths = Files.walk(binaryContents); |
| Stream<Path> generatedPaths = Files.walk(generatedContents)) { |
| List<Path> existing = existingPaths.filter(this::isClassFile).collect(Collectors.toList()); |
| List<Path> generated = generatedPaths.filter(this::isClassFile).collect(Collectors.toList()); |
| assertEquals(existing.size(), generated.size()); |
| assertNotEquals(0, existing.size()); |
| for (Path classFile : generated) { |
| Path otherClassFile = binaryContents.resolve(generatedContents.relativize(classFile)); |
| assertTrue("Could not find file: " + otherClassFile, Files.exists(otherClassFile)); |
| assertTrue( |
| "Non-equal files: " + otherClassFile, |
| TestBase.filesAreEqual(classFile, otherClassFile)); |
| } |
| } |
| } |
| |
| private boolean isClassFile(Path path) { |
| return path.toString().endsWith(".class"); |
| } |
| |
| @Test |
| public void runCheckedInBinaryJar() throws Exception { |
| // The retrace jar is only built when building r8lib. |
| Path jar = ToolHelper.isTestingR8Lib() ? ToolHelper.R8_RETRACE_JAR : ToolHelper.R8_JAR; |
| RetraceApiTestHelper.runJunitOnTests( |
| CfRuntime.getSystemRuntime(), |
| jar, |
| BINARY_COMPATIBILITY_JAR, |
| RetraceApiTestHelper.getBinaryCompatibilityTests()); |
| } |
| |
| @Test |
| public void runCheckedInWithNonExistingTest() { |
| Path jar = ToolHelper.isTestingR8Lib() ? ToolHelper.R8_RETRACE_JAR : ToolHelper.R8_JAR; |
| assertThrows( |
| AssertionError.class, |
| () -> { |
| RetraceApiTestHelper.runJunitOnTests( |
| CfRuntime.getSystemRuntime(), |
| jar, |
| BINARY_COMPATIBILITY_JAR, |
| ImmutableList.of(new RetraceApiBinaryTest() {}.getClass())); |
| }); |
| } |
| |
| /** |
| * To produce a new tests.jar run the code below. This will generate a new jar overwriting the |
| * existing one. Remember to upload to cloud storage afterwards. |
| */ |
| public static void main(String[] args) throws Exception { |
| TemporaryFolder temp = new TemporaryFolder(); |
| temp.create(); |
| Path generatedJar = |
| RetraceApiTestHelper.generateJarForRetraceBinaryTests( |
| temp, RetraceApiTestHelper.getBinaryCompatibilityTests()); |
| Files.move(generatedJar, BINARY_COMPATIBILITY_JAR, REPLACE_EXISTING); |
| } |
| } |