/*
* Copyright 2013-present Facebook, Inc.
*
* 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.facebook.buck.android;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNull;
import com.facebook.buck.jvm.java.FakeJavaLibrary;
import com.facebook.buck.jvm.java.JavaLibrary;
import com.facebook.buck.model.BuildTarget;
import com.facebook.buck.model.BuildTargetFactory;
import com.facebook.buck.model.BuildTargets;
import com.facebook.buck.rules.BuildRuleParams;
import com.facebook.buck.rules.BuildRuleResolver;
import com.facebook.buck.rules.DefaultTargetNodeToBuildRuleTransformer;
import com.facebook.buck.rules.FakeBuildRuleParamsBuilder;
import com.facebook.buck.rules.SourcePathResolver;
import com.facebook.buck.rules.SourcePathRuleFinder;
import com.facebook.buck.rules.TargetGraph;
import com.google.common.base.Strings;
import com.google.common.collect.ImmutableSet;
import com.google.common.collect.ImmutableSortedMap;
import com.google.common.hash.HashCode;
import java.util.Optional;
import org.junit.Test;
public class DexWithClassesTest {
@Test
public void testIntermediateDexRuleToDexWithClasses() {
SourcePathResolver resolver =
new SourcePathResolver(
new SourcePathRuleFinder(
new BuildRuleResolver(
TargetGraph.EMPTY, new DefaultTargetNodeToBuildRuleTransformer())));
BuildTarget javaLibraryTarget = BuildTargetFactory.newInstance("//java/com/example:lib");
JavaLibrary javaLibrary = new FakeJavaLibrary(javaLibraryTarget, resolver);
BuildTarget buildTarget = BuildTargetFactory.newInstance("//java/com/example:lib#dex");
BuildRuleParams params = new FakeBuildRuleParamsBuilder(buildTarget).build();
DexProducedFromJavaLibrary dexFromJavaLibrary =
new DexProducedFromJavaLibrary(params, javaLibrary);
dexFromJavaLibrary
.getBuildOutputInitializer()
.setBuildOutput(
new DexProducedFromJavaLibrary.BuildOutput(
/* weightEstimate */ 1600,
/* classNamesToHashes */ ImmutableSortedMap.of(
"com/example/Main", HashCode.fromString(Strings.repeat("cafebabe", 5))),
Optional.empty()));
DexWithClasses dexWithClasses = DexWithClasses.TO_DEX_WITH_CLASSES.apply(dexFromJavaLibrary);
assertEquals(
BuildTargets.getGenPath(javaLibrary.getProjectFilesystem(), buildTarget, "%s.dex.jar"),
dexWithClasses.getPathToDexFile());
assertEquals(ImmutableSet.of("com/example/Main"), dexWithClasses.getClassNames());
assertEquals(1600, dexWithClasses.getWeightEstimate());
}
@Test
public void testIntermediateDexRuleToDexWithClassesWhenIntermediateDexHasNoClasses() {
SourcePathResolver resolver =
new SourcePathResolver(
new SourcePathRuleFinder(
new BuildRuleResolver(
TargetGraph.EMPTY, new DefaultTargetNodeToBuildRuleTransformer())));
BuildTarget javaLibraryTarget = BuildTargetFactory.newInstance("//java/com/example:lib");
JavaLibrary javaLibrary = new FakeJavaLibrary(javaLibraryTarget, resolver);
BuildTarget buildTarget = BuildTargetFactory.newInstance("//java/com/example:lib#dex");
BuildRuleParams params = new FakeBuildRuleParamsBuilder(buildTarget).build();
DexProducedFromJavaLibrary dexFromJavaLibrary =
new DexProducedFromJavaLibrary(params, javaLibrary);
dexFromJavaLibrary
.getBuildOutputInitializer()
.setBuildOutput(
new DexProducedFromJavaLibrary.BuildOutput(
/* weightEstimate */ 1600,
/* classNamesToHashes */ ImmutableSortedMap.of(),
Optional.empty()));
DexWithClasses dexWithClasses = DexWithClasses.TO_DEX_WITH_CLASSES.apply(dexFromJavaLibrary);
assertNull(
"If the JavaLibraryRule does not produce any .class files, "
+ "then DexWithClasses.TO_DEX_WITH_CLASSES should return null.",
dexWithClasses);
}
}