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// 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.rules.cpp;
import static com.google.devtools.build.lib.actions.util.ActionsTestUtil.NULL_ACTION_OWNER;
import com.google.common.collect.ImmutableList;
import com.google.common.testing.EqualsTester;
import com.google.devtools.build.lib.actions.MiddlemanFactory;
import com.google.devtools.build.lib.analysis.ConfiguredTarget;
import com.google.devtools.build.lib.analysis.util.BuildViewTestCase;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;
/**
* Tests for {@link CppCompilationContext}.
*/
@RunWith(JUnit4.class)
public class CppCompilationContextTest extends BuildViewTestCase {
@Before
public final void createBuildFile() throws Exception {
scratch.file("foo/BUILD",
"cc_binary(name = 'foo',",
" srcs = ['foo.cc'])",
"cc_binary(name = 'bar',",
" srcs = ['bar.cc'])");
}
@Test
public void testEqualsAndHashCode() throws Exception {
MiddlemanFactory middlemanFactory = getTestAnalysisEnvironment().getMiddlemanFactory();
ConfiguredTarget fooBin = getConfiguredTarget("//foo:foo");
CppCompilationContext fooContextA1 = new CppCompilationContext.Builder(
getRuleContext(fooBin)).build(NULL_ACTION_OWNER, middlemanFactory);
CppCompilationContext fooContextA2 = new CppCompilationContext.Builder(
getRuleContext(fooBin)).build(NULL_ACTION_OWNER, middlemanFactory);
CppCompilationContext fooContextB = new CppCompilationContext.Builder(
getRuleContext(fooBin)).addDefine("a=b")
.build(NULL_ACTION_OWNER, middlemanFactory);
ConfiguredTarget barBin = getConfiguredTarget("//foo:bar");
// The fact that the configured target is different does not matter in this case.
CppCompilationContext barContext = new CppCompilationContext.Builder(
getRuleContext(barBin)).build(NULL_ACTION_OWNER, middlemanFactory);
CppCompilationContext fooContextWithModuleMap =
new CppCompilationContext.Builder(getRuleContext(fooBin))
.setCppModuleMap(new CppModuleMap(getBinArtifact("foo/something.xyz", fooBin), "name"))
.build(NULL_ACTION_OWNER, middlemanFactory);
CppCompilationContext fooContextWithCompilationPrerequisites =
new CppCompilationContext.Builder(getRuleContext(fooBin))
.addCompilationPrerequisites(ImmutableList.of(getBinArtifact("foo/something.xyz", fooBin)))
.build(NULL_ACTION_OWNER, middlemanFactory);
CppCompilationContext fooContextWithModuleMapAndCompilationPrerequisites =
new CppCompilationContext.Builder(getRuleContext(fooBin))
.addCompilationPrerequisites(ImmutableList.of(getBinArtifact("foo/something.xyz", fooBin)))
.setCppModuleMap(new CppModuleMap(getBinArtifact("foo/something.xyz", fooBin), "name"))
.build(NULL_ACTION_OWNER, middlemanFactory);
CppCompilationContext fooContextWithInheritedModuleMapSameAsModuleMap =
new CppCompilationContext.Builder(getRuleContext(fooBin))
.mergeDependentContext(fooContextWithModuleMap)
.setCppModuleMap(new CppModuleMap(getBinArtifact("foo/something.xyz", fooBin), "name"))
.build(NULL_ACTION_OWNER, middlemanFactory);
CppCompilationContext fooContextWithHeaderModuleSrcs =
new CppCompilationContext.Builder(getRuleContext(fooBin))
.addDeclaredIncludeSrc(getSourceArtifact("foo/foo.h"))
.build(NULL_ACTION_OWNER, middlemanFactory);
CppCompilationContext fooContextWithInheritedHeaderModuleSrcs =
new CppCompilationContext.Builder(getRuleContext(fooBin))
.mergeDependentContext(fooContextWithHeaderModuleSrcs)
.build(NULL_ACTION_OWNER, middlemanFactory);
CppCompilationContext fooContextWithHeaderModule =
new CppCompilationContext.Builder(getRuleContext(fooBin))
.setHeaderModule(getGenfilesArtifact("foo/something.pcm", fooBin))
.addDeclaredIncludeSrc(getSourceArtifact("foo/bar.h"))
.build(NULL_ACTION_OWNER, middlemanFactory);
CppCompilationContext fooContextWithPicHeaderModule =
new CppCompilationContext.Builder(getRuleContext(fooBin))
.setPicHeaderModule(getGenfilesArtifact("foo/something.pcm", fooBin))
.build(NULL_ACTION_OWNER, middlemanFactory);
CppCompilationContext fooContextWithInheritedHeaderModule =
new CppCompilationContext.Builder(getRuleContext(fooBin))
.mergeDependentContext(fooContextWithHeaderModule)
.setHeaderModule(getGenfilesArtifact("foo/something.pcm", fooBin))
.addDeclaredIncludeSrc(getSourceArtifact("foo/bar.h"))
.build(NULL_ACTION_OWNER, middlemanFactory);
CppCompilationContext fooContextWithTransitivelyInheritedHeaderModule =
new CppCompilationContext.Builder(getRuleContext(fooBin))
.mergeDependentContext(fooContextWithInheritedHeaderModule)
.setHeaderModule(getGenfilesArtifact("foo/something.pcm", fooBin))
.build(NULL_ACTION_OWNER, middlemanFactory);
CppCompilationContext fooContextUsingHeaderModules =
new CppCompilationContext.Builder(getRuleContext(fooBin))
.setProvideTransitiveModuleMaps(true).build(NULL_ACTION_OWNER, middlemanFactory);
new EqualsTester()
.addEqualityGroup(fooContextA1, fooContextA2, barContext)
.addEqualityGroup(fooContextB)
.addEqualityGroup(fooContextWithModuleMap)
.addEqualityGroup(fooContextWithCompilationPrerequisites)
.addEqualityGroup(fooContextWithModuleMapAndCompilationPrerequisites)
.addEqualityGroup(fooContextWithInheritedModuleMapSameAsModuleMap)
.addEqualityGroup(fooContextWithHeaderModuleSrcs)
.addEqualityGroup(fooContextWithInheritedHeaderModuleSrcs)
.addEqualityGroup(fooContextWithHeaderModule)
.addEqualityGroup(fooContextWithPicHeaderModule)
.addEqualityGroup(fooContextWithInheritedHeaderModule)
.addEqualityGroup(fooContextWithTransitivelyInheritedHeaderModule)
.addEqualityGroup(fooContextUsingHeaderModules)
.testEquals();
}
}
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