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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.analysis;
import static com.google.common.collect.ImmutableList.toImmutableList;
import static com.google.common.truth.Truth.assertThat;
import static java.util.Arrays.stream;
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.actions.ArtifactRoot;
import com.google.devtools.build.lib.actions.ArtifactRoot.RootType;
import com.google.devtools.build.lib.actions.RunfilesSupplier;
import com.google.devtools.build.lib.actions.util.ActionsTestUtil;
import com.google.devtools.build.lib.vfs.DigestHashFunction;
import com.google.devtools.build.lib.vfs.PathFragment;
import com.google.devtools.build.lib.vfs.inmemoryfs.InMemoryFileSystem;
import java.util.List;
import java.util.Map;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;
/** Tests for {@link SingleRunfilesSupplier}. */
@RunWith(JUnit4.class)
public final class SingleRunfilesSupplierTest {
private final ArtifactRoot rootDir =
ArtifactRoot.asDerivedRoot(
new InMemoryFileSystem(DigestHashFunction.SHA256).getPath("/"),
RootType.Output,
"fake",
"root",
"dont",
"matter");
@Test
public void testGetArtifactsWithSingleMapping() {
List<Artifact> artifacts = mkArtifacts("thing1", "thing2");
SingleRunfilesSupplier underTest =
new SingleRunfilesSupplier(
PathFragment.create("notimportant"),
mkRunfiles(artifacts),
/*manifest=*/ null,
/*buildRunfileLinks=*/ false,
/*runfileLinksEnabled=*/ false);
assertThat(underTest.getArtifacts().toList()).containsExactlyElementsIn(artifacts);
}
@Test
public void testGetManifestsWhenNone() {
RunfilesSupplier underTest =
new SingleRunfilesSupplier(
PathFragment.create("ignored"),
Runfiles.EMPTY,
/*manifest=*/ null,
/*buildRunfileLinks=*/ false,
/*runfileLinksEnabled=*/ false);
assertThat(underTest.getManifests()).isEmpty();
}
@Test
public void testGetManifestsWhenSupplied() {
Artifact manifest = ActionsTestUtil.createArtifact(rootDir, "manifest");
RunfilesSupplier underTest =
new SingleRunfilesSupplier(
PathFragment.create("ignored"),
Runfiles.EMPTY,
manifest,
/*buildRunfileLinks=*/ false,
/*runfileLinksEnabled=*/ false);
assertThat(underTest.getManifests()).containsExactly(manifest);
}
@Test
public void withOverriddenRunfilesDir() {
SingleRunfilesSupplier original =
new SingleRunfilesSupplier(
PathFragment.create("old"),
Runfiles.EMPTY,
ActionsTestUtil.createArtifact(rootDir, "manifest"),
/*buildRunfileLinks=*/ false,
/*runfileLinksEnabled=*/ false);
PathFragment newDir = PathFragment.create("new");
RunfilesSupplier overridden = original.withOverriddenRunfilesDir(newDir);
assertThat(overridden.getRunfilesDirs()).containsExactly(newDir);
assertThat(overridden.getMappings())
.containsExactly(newDir, Iterables.getOnlyElement(original.getMappings().values()));
assertThat(overridden.getArtifacts()).isEqualTo(original.getArtifacts());
assertThat(overridden.getManifests()).isEqualTo(original.getManifests());
}
@Test
public void withOverriddenRunfilesDir_noChange_sameObject() {
PathFragment dir = PathFragment.create("dir");
SingleRunfilesSupplier original =
new SingleRunfilesSupplier(
dir,
Runfiles.EMPTY,
ActionsTestUtil.createArtifact(rootDir, "manifest"),
/*buildRunfileLinks=*/ false,
/*runfileLinksEnabled=*/ false);
assertThat(original.withOverriddenRunfilesDir(dir)).isSameInstanceAs(original);
}
@Test
public void cachedMappings() {
PathFragment dir = PathFragment.create("dir");
Runfiles runfiles = mkRunfiles(mkArtifacts("a", "b", "c"));
SingleRunfilesSupplier underTest =
SingleRunfilesSupplier.createCaching(
dir, runfiles, /*buildRunfileLinks=*/ false, /*runfileLinksEnabled=*/ false);
Map<PathFragment, Map<PathFragment, Artifact>> mappings1 = underTest.getMappings();
Map<PathFragment, Map<PathFragment, Artifact>> mappings2 = underTest.getMappings();
assertThat(mappings1).containsExactly(dir, runfiles.getRunfilesInputs(null, null));
assertThat(mappings1).isEqualTo(mappings2);
assertThat(mappings1.get(dir)).isSameInstanceAs(mappings2.get(dir));
}
@Test
public void cachedMappings_sharedAcrossDirOverrides() {
PathFragment oldDir = PathFragment.create("old");
PathFragment newDir = PathFragment.create("new");
Runfiles runfiles = mkRunfiles(mkArtifacts("a", "b", "c"));
SingleRunfilesSupplier original =
SingleRunfilesSupplier.createCaching(
oldDir, runfiles, /*buildRunfileLinks=*/ false, /*runfileLinksEnabled=*/ false);
SingleRunfilesSupplier overriden = original.withOverriddenRunfilesDir(newDir);
Map<PathFragment, Map<PathFragment, Artifact>> mappingsOld = original.getMappings();
Map<PathFragment, Map<PathFragment, Artifact>> mappingsNew = overriden.getMappings();
assertThat(mappingsOld).containsExactly(oldDir, runfiles.getRunfilesInputs(null, null));
assertThat(mappingsNew).containsExactly(newDir, runfiles.getRunfilesInputs(null, null));
assertThat(mappingsOld.get(newDir)).isSameInstanceAs(mappingsNew.get(oldDir));
}
private static Runfiles mkRunfiles(Iterable<Artifact> artifacts) {
return new Runfiles.Builder("TESTING", false).addArtifacts(artifacts).build();
}
private ImmutableList<Artifact> mkArtifacts(String... paths) {
return stream(paths)
.map(path -> ActionsTestUtil.createArtifact(rootDir, path))
.collect(toImmutableList());
}
}