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// 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.lib.rules.cpp;
import static com.google.common.truth.Truth.assertThat;
import com.google.common.base.Predicate;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.Iterables;
import com.google.devtools.build.lib.actions.Artifact;
import com.google.devtools.build.lib.analysis.util.BuildViewTestCase;
import com.google.devtools.build.lib.rules.cpp.CcToolchainFeatures.Variables;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;
/** Tests that {@code CppCompileAction} is populated with the correct build variables. */
@RunWith(JUnit4.class)
public class CompileBuildVariablesTest extends BuildViewTestCase {
private CppCompileAction getCppCompileAction(final String label, final String name) throws
Exception {
return (CppCompileAction)
getGeneratingAction(
Iterables.find(
getGeneratingAction(
Iterables.getOnlyElement(getFilesToBuild(getConfiguredTarget(label))))
.getInputs(),
new Predicate<Artifact>() {
@Override
public boolean apply(Artifact artifact) {
return artifact.getExecPath().getBaseName().startsWith(name);
}
}));
}
/** Returns active build variables for a compile action of given type for given target. */
protected Variables getCompileBuildVariables(String label, String name) throws Exception {
return getCppCompileAction(label, name).getCompileCommandLine().getVariables();
}
@Test
public void testPresenceOfBasicVariables() throws Exception {
scratch.file("x/BUILD", "cc_binary(name = 'bin', srcs = ['bin.cc'])");
scratch.file("x/bin.cc");
Variables variables = getCompileBuildVariables("//x:bin", "bin");
assertThat(variables.getStringVariable(CppModel.SOURCE_FILE_VARIABLE_NAME))
.contains("x/bin.cc");
assertThat(variables.getStringVariable(CppModel.OUTPUT_FILE_VARIABLE_NAME))
.contains("x/bin");
}
@Test
public void testPresenceOfCoptsVariable() throws Exception {
scratch.file(
"x/BUILD", "cc_binary(name = 'bin', srcs = ['bin.cc'], copts = ['-foo', '-bar'])");
scratch.file("x/bin.cc");
Variables variables = getCompileBuildVariables("//x:bin", "bin");
ImmutableList<String> copts =
Variables.toStringList(variables, CppModel.COPTS_VARIABLE_VALUE);
assertThat(copts).containsExactly("-foo", "-bar").inOrder();
}
}
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