| // 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.android.desugar.dependencies; |
| |
| import static com.google.common.truth.Truth.assertThat; |
| |
| import com.google.common.collect.ImmutableList; |
| import com.google.devtools.build.android.desugar.proto.DesugarDeps; |
| import com.google.devtools.build.android.desugar.proto.DesugarDeps.Dependency; |
| import com.google.devtools.build.android.desugar.proto.DesugarDeps.DesugarDepsInfo; |
| import com.google.devtools.build.android.desugar.proto.DesugarDeps.InterfaceDetails; |
| import com.google.devtools.build.android.desugar.proto.DesugarDeps.InterfaceWithCompanion; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.JUnit4; |
| |
| /** Unit tests for {@link MetadataCollector}. */ |
| @RunWith(JUnit4.class) |
| public class MetadataCollectorTest { |
| |
| @Test |
| public void testEmptyAvoidsOutput() { |
| assertThat(new MetadataCollector(false).toByteArray()).isNull(); |
| } |
| |
| @Test |
| public void testAssumeCompanionClass() throws Exception { |
| MetadataCollector collector = new MetadataCollector(false); |
| collector.assumeCompanionClass("a", "b$$CC"); |
| collector.assumeCompanionClass("b", "b$$CC"); |
| collector.assumeCompanionClass("a", "a$$CC"); |
| |
| DesugarDepsInfo info = extractProto(collector); |
| assertThat(info.getAssumePresentList()) |
| .containsExactly( |
| Dependency.newBuilder().setOrigin(wrapType("a")).setTarget(wrapType("b$$CC")).build(), |
| Dependency.newBuilder().setOrigin(wrapType("b")).setTarget(wrapType("b$$CC")).build(), |
| Dependency.newBuilder().setOrigin(wrapType("a")).setTarget(wrapType("a$$CC")).build()); |
| } |
| |
| @Test |
| public void testMissingImplementedInterface() throws Exception { |
| MetadataCollector collector = new MetadataCollector(true); |
| collector.missingImplementedInterface("a", "b"); |
| collector.missingImplementedInterface("a", "c"); |
| collector.missingImplementedInterface("c", "b"); |
| |
| DesugarDepsInfo info = extractProto(collector); |
| assertThat(info.getMissingInterfaceList()) |
| .containsExactly( |
| Dependency.newBuilder().setOrigin(wrapType("a")).setTarget(wrapType("b")).build(), |
| Dependency.newBuilder().setOrigin(wrapType("a")).setTarget(wrapType("c")).build(), |
| Dependency.newBuilder().setOrigin(wrapType("c")).setTarget(wrapType("b")).build()); |
| } |
| |
| @Test |
| public void testRecordExtendedInterfaces() throws Exception { |
| MetadataCollector collector = new MetadataCollector(false); |
| collector.recordExtendedInterfaces("a", "b", "c"); |
| collector.recordExtendedInterfaces("b"); |
| collector.recordExtendedInterfaces("c", "d"); |
| |
| DesugarDepsInfo info = extractProto(collector); |
| assertThat(info.getInterfaceWithSupertypesList()) |
| .containsExactly( |
| InterfaceDetails.newBuilder() |
| .setOrigin(wrapType("a")) |
| .addAllExtendedInterface(ImmutableList.of(wrapType("b"), wrapType("c"))) |
| .build(), |
| InterfaceDetails.newBuilder() |
| .setOrigin(wrapType("c")) |
| .addAllExtendedInterface(ImmutableList.of(wrapType("d"))) |
| .build()); |
| } |
| |
| @Test |
| public void testRecordDefaultMethods() throws Exception { |
| MetadataCollector collector = new MetadataCollector(false); |
| collector.recordDefaultMethods("a", 0); |
| collector.recordDefaultMethods("b", 1); |
| |
| DesugarDepsInfo info = extractProto(collector); |
| assertThat(info.getInterfaceWithCompanionList()) |
| .containsExactly( |
| InterfaceWithCompanion.newBuilder() |
| .setOrigin(wrapType("a")) |
| .setNumDefaultMethods(0) |
| .build(), |
| InterfaceWithCompanion.newBuilder() |
| .setOrigin(wrapType("b")) |
| .setNumDefaultMethods(1) |
| .build()); |
| } |
| |
| private static DesugarDeps.Type wrapType(String name) { |
| return DesugarDeps.Type.newBuilder().setBinaryName(name).build(); |
| } |
| |
| private DesugarDepsInfo extractProto(MetadataCollector collector) throws Exception { |
| return DesugarDepsInfo.parseFrom(collector.toByteArray()); |
| } |
| } |