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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.actions;
import static com.google.common.truth.Truth.assertThat;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.ImmutableMap;
import com.google.devtools.build.lib.actions.Action;
import com.google.devtools.build.lib.actions.ActionExecutionContext;
import com.google.devtools.build.lib.actions.ActionInputHelper;
import com.google.devtools.build.lib.actions.ActionInputPrefetcher;
import com.google.devtools.build.lib.actions.ActionResult;
import com.google.devtools.build.lib.actions.Artifact;
import com.google.devtools.build.lib.actions.Artifact.ArtifactExpander;
import com.google.devtools.build.lib.actions.Artifact.SpecialArtifact;
import com.google.devtools.build.lib.actions.Artifact.SpecialArtifactType;
import com.google.devtools.build.lib.actions.Artifact.TreeFileArtifact;
import com.google.devtools.build.lib.actions.ArtifactOwner;
import com.google.devtools.build.lib.actions.Executor;
import com.google.devtools.build.lib.actions.ParameterFile.ParameterFileType;
import com.google.devtools.build.lib.actions.Root;
import com.google.devtools.build.lib.actions.util.ActionsTestUtil;
import com.google.devtools.build.lib.analysis.util.ActionTester;
import com.google.devtools.build.lib.analysis.util.BuildViewTestCase;
import com.google.devtools.build.lib.exec.util.TestExecutorBuilder;
import com.google.devtools.build.lib.util.io.FileOutErr;
import com.google.devtools.build.lib.vfs.FileSystemUtils;
import com.google.devtools.build.lib.vfs.PathFragment;
import java.nio.charset.Charset;
import java.nio.charset.StandardCharsets;
import java.util.Collection;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;
/** Tests for ParamFileWriteAction. */
@RunWith(JUnit4.class)
public class ParamFileWriteActionTest extends BuildViewTestCase {
private Root rootDir;
private Artifact outputArtifact;
private Artifact treeArtifact;
@Before
public void createArtifacts() throws Exception {
rootDir = Root.asDerivedRoot(scratch.dir("/exec/root"));
outputArtifact = getBinArtifactWithNoOwner("destination.txt");
FileSystemUtils.createDirectoryAndParents(outputArtifact.getPath().getParentDirectory());
treeArtifact = createTreeArtifact("artifact/myTreeFileArtifact");
}
@Test
public void testOutputs() {
Action action = createParameterFileWriteAction(
ImmutableList.<Artifact>of(), createNormalCommandLine());
assertThat(Artifact.toRootRelativePaths(action.getOutputs())).containsExactly(
"destination.txt");
}
@Test
public void testInputs() {
Action action = createParameterFileWriteAction(
ImmutableList.of(treeArtifact),
createTreeArtifactExpansionCommandLine());
assertThat(Artifact.toExecPaths(action.getInputs())).containsExactly(
"artifact/myTreeFileArtifact");
}
@Test
public void testWriteCommandLineWithoutTreeArtifactExpansion() throws Exception {
Action action = createParameterFileWriteAction(
ImmutableList.<Artifact>of(), createNormalCommandLine());
ActionExecutionContext context = actionExecutionContext();
ActionResult actionResult = action.execute(context);
assertThat(actionResult.spawnResults()).isEmpty();
String content = new String(FileSystemUtils.readContentAsLatin1(outputArtifact.getPath()));
assertThat(content.trim()).isEqualTo("--flag1\n--flag2\n--flag3\nvalue1\nvalue2");
}
@Test
public void testWriteCommandLineWithTreeArtifactExpansion() throws Exception {
Action action = createParameterFileWriteAction(
ImmutableList.of(treeArtifact),
createTreeArtifactExpansionCommandLine());
ActionExecutionContext context = actionExecutionContext();
ActionResult actionResult = action.execute(context);
assertThat(actionResult.spawnResults()).isEmpty();
String content = new String(FileSystemUtils.readContentAsLatin1(outputArtifact.getPath()));
assertThat(content.trim())
.isEqualTo(
"--flag1\n"
+ "artifact/myTreeFileArtifact/artifacts/treeFileArtifact1\n"
+ "artifact/myTreeFileArtifact/artifacts/treeFileArtifact2");
}
private Artifact createTreeArtifact(String rootRelativePath) {
PathFragment relpath = PathFragment.create(rootRelativePath);
return new SpecialArtifact(
rootDir.getPath().getRelative(relpath),
rootDir,
rootDir.getExecPath().getRelative(relpath),
ArtifactOwner.NULL_OWNER,
SpecialArtifactType.TREE);
}
private TreeFileArtifact createTreeFileArtifact(
Artifact inputTreeArtifact, String parentRelativePath) {
return ActionInputHelper.treeFileArtifact(
inputTreeArtifact,
PathFragment.create(parentRelativePath));
}
private ParameterFileWriteAction createParameterFileWriteAction(
Iterable<Artifact> inputTreeArtifacts, CommandLine commandLine) {
return new ParameterFileWriteAction(
ActionsTestUtil.NULL_ACTION_OWNER,
inputTreeArtifacts,
outputArtifact,
commandLine,
ParameterFileType.UNQUOTED,
StandardCharsets.ISO_8859_1);
}
private CommandLine createNormalCommandLine() {
return CustomCommandLine.builder()
.add("--flag1")
.add("--flag2")
.addAll("--flag3", ImmutableList.of("value1", "value2"))
.build();
}
private CommandLine createTreeArtifactExpansionCommandLine() {
return CustomCommandLine.builder()
.add("--flag1")
.addExpandedTreeArtifactExecPaths(treeArtifact)
.build();
}
private ActionExecutionContext actionExecutionContext() throws Exception {
final Iterable<TreeFileArtifact> treeFileArtifacts = ImmutableList.of(
createTreeFileArtifact(treeArtifact, "artifacts/treeFileArtifact1"),
createTreeFileArtifact(treeArtifact, "artifacts/treeFileArtifact2"));
ArtifactExpander artifactExpander = new ArtifactExpander() {
@Override
public void expand(Artifact artifact, Collection<? super Artifact> output) {
for (TreeFileArtifact treeFileArtifact : treeFileArtifacts) {
if (treeFileArtifact.getParent().equals(artifact)) {
output.add(treeFileArtifact);
}
}
}
};
Executor executor = new TestExecutorBuilder(fileSystem, directories, binTools).build();
return new ActionExecutionContext(executor, null, ActionInputPrefetcher.NONE, null,
new FileOutErr(), ImmutableMap.<String, String>of(), artifactExpander);
}
private enum KeyAttributes {
COMMANDLINE,
FILE_TYPE,
CHARSET,
}
@Test
public void testComputeKey() throws Exception {
final Artifact outputArtifact = getSourceArtifact("output");
ActionTester.runTest(
KeyAttributes.class,
attributesToFlip -> {
String arg = attributesToFlip.contains(KeyAttributes.COMMANDLINE) ? "foo" : "bar";
CommandLine commandLine = CommandLine.of(ImmutableList.of(arg));
ParameterFileType parameterFileType =
attributesToFlip.contains(KeyAttributes.FILE_TYPE)
? ParameterFileType.SHELL_QUOTED
: ParameterFileType.UNQUOTED;
Charset charset =
attributesToFlip.contains(KeyAttributes.CHARSET)
? StandardCharsets.UTF_8
: StandardCharsets.US_ASCII;
return new ParameterFileWriteAction(
ActionsTestUtil.NULL_ACTION_OWNER,
outputArtifact,
commandLine,
parameterFileType,
charset);
});
}
}
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