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// Copyright 2016 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.testutil.MoreAsserts.assertThrows;
import static org.mockito.Mockito.mock;
import com.google.common.collect.ImmutableList;
import com.google.devtools.build.lib.actions.ActionExecutionException;
import com.google.devtools.build.lib.actions.Artifact;
import com.google.devtools.build.lib.actions.Artifact.SpecialArtifact;
import com.google.devtools.build.lib.actions.ArtifactOwner;
import com.google.devtools.build.lib.actions.ArtifactResolver;
import com.google.devtools.build.lib.actions.ArtifactRoot;
import com.google.devtools.build.lib.actions.util.ActionsTestUtil;
import com.google.devtools.build.lib.collect.nestedset.NestedSet;
import com.google.devtools.build.lib.vfs.FileSystem;
import com.google.devtools.build.lib.vfs.Path;
import com.google.devtools.build.lib.vfs.inmemoryfs.InMemoryFileSystem;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;
/** Test. */
@RunWith(JUnit4.class)
public class HeaderDiscoveryTest {
private final FileSystem fs = new InMemoryFileSystem();
private final Path execRoot = fs.getPath("/execroot");
private final Path derivedRoot = execRoot.getRelative("derived");
private final ArtifactRoot artifactRoot = ArtifactRoot.asDerivedRoot(execRoot, derivedRoot);
/**
* Test that an included header is satisfied (=doesn't cause an error) if it provided by a tree
* artifact.
*/
@Test
public void treeArtifactInclusionCheck() throws Exception {
ArtifactResolver artifactResolver = mock(ArtifactResolver.class);
checkHeaderInclusion(
artifactResolver,
ImmutableList.of(
derivedRoot.getRelative("tree_artifact/foo.h"),
derivedRoot.getRelative("tree_artifact/subdir/foo.h")),
ImmutableList.of(treeArtifact(derivedRoot.getRelative("tree_artifact"))));
// Implicitly check that there are no exceptions thrown.
}
@Test
public void errorsWhenMissingHeaders() {
ArtifactResolver artifactResolver = mock(ArtifactResolver.class);
assertThrows(
ActionExecutionException.class,
() ->
checkHeaderInclusion(
artifactResolver,
ImmutableList.of(
derivedRoot.getRelative("tree_artifact1/foo.h"),
derivedRoot.getRelative("tree_artifact1/subdir/foo.h")),
ImmutableList.of(treeArtifact(derivedRoot.getRelative("tree_artifact2")))));
}
private NestedSet<Artifact> checkHeaderInclusion(
ArtifactResolver artifactResolver,
ImmutableList<Path> dependencies,
ImmutableList<Artifact> includedHeaders)
throws ActionExecutionException {
return new HeaderDiscovery.Builder()
.shouldValidateInclusions()
.setAction(new ActionsTestUtil.NullAction())
.setPermittedSystemIncludePrefixes(ImmutableList.of())
.setSourceFile(new Artifact(derivedRoot.getRelative("foo.cc"), artifactRoot))
.setDependencies(dependencies)
.setAllowedDerivedinputs(includedHeaders)
.build()
.discoverInputsFromDependencies(execRoot, artifactResolver);
}
private SpecialArtifact treeArtifact(Path path) {
return new SpecialArtifact(
artifactRoot,
artifactRoot.getExecPath().getRelative(artifactRoot.getRoot().relativize(path)),
ArtifactOwner.NullArtifactOwner.INSTANCE,
Artifact.SpecialArtifactType.TREE);
}
}
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