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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 static com.google.devtools.build.lib.actions.util.ActionsTestUtil.NULL_ACTION_OWNER;
import com.google.common.collect.ImmutableMap;
import com.google.common.collect.ImmutableSet;
import com.google.common.collect.Sets;
import com.google.devtools.build.lib.actions.Action;
import com.google.devtools.build.lib.actions.ActionExecutionContext;
import com.google.devtools.build.lib.actions.ActionInputPrefetcher;
import com.google.devtools.build.lib.actions.ActionOwner;
import com.google.devtools.build.lib.actions.ActionResult;
import com.google.devtools.build.lib.actions.Artifact;
import com.google.devtools.build.lib.actions.Executor;
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.BinTools;
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.Path;
import java.util.Collection;
import org.junit.Before;
/** Test cases for {@link FileWriteAction}. */
public abstract class FileWriteActionTestCase extends BuildViewTestCase {
private Action action;
private Artifact outputArtifact;
private Path output;
private Executor executor;
protected ActionExecutionContext context;
@Before
public final void createAction() throws Exception {
outputArtifact = getBinArtifactWithNoOwner("destination.txt");
output = outputArtifact.getPath();
FileSystemUtils.createDirectoryAndParents(output.getParentDirectory());
action = createAction(NULL_ACTION_OWNER, outputArtifact, "Hello World", false);
}
@Before
public final void createExecutorAndContext() throws Exception {
BinTools binTools = BinTools.forUnitTesting(directories, analysisMock.getEmbeddedTools());
executor = new TestExecutorBuilder(fileSystem, directories, binTools).build();
context =
new ActionExecutionContext(
executor,
null,
ActionInputPrefetcher.NONE,
actionKeyContext,
null,
new FileOutErr(),
ImmutableMap.<String, String>of(),
ImmutableMap.of(),
null,
null,
null);
}
protected abstract Action createAction(
ActionOwner actionOwner, Artifact outputArtifact, String data, boolean makeExecutable);
protected void checkNoInputsByDefault() {
assertThat(action.getInputs()).isEmpty();
assertThat(action.getPrimaryInput()).isNull();
}
protected void checkDestinationArtifactIsOutput() {
Collection<Artifact> outputs = action.getOutputs();
assertThat(Sets.newHashSet(outputs)).isEqualTo(Sets.newHashSet(outputArtifact));
assertThat(action.getPrimaryOutput()).isEqualTo(outputArtifact);
}
protected void checkCanWriteNonExecutableFile() throws Exception {
ActionResult actionResult = action.execute(context);
assertThat(actionResult.spawnResults()).isEmpty();
String content = new String(FileSystemUtils.readContentAsLatin1(output));
assertThat(content).isEqualTo("Hello World");
assertThat(output.isExecutable()).isFalse();
}
protected void checkCanWriteExecutableFile() throws Exception {
Artifact outputArtifact = getBinArtifactWithNoOwner("hello");
Path output = outputArtifact.getPath();
Action action = createAction(NULL_ACTION_OWNER, outputArtifact, "echo 'Hello World'", true);
ActionResult actionResult = action.execute(context);
assertThat(actionResult.spawnResults()).isEmpty();
String content = new String(FileSystemUtils.readContentAsLatin1(output));
assertThat(content).isEqualTo("echo 'Hello World'");
assertThat(output.isExecutable()).isTrue();
}
private enum KeyAttributes {
DATA,
MAKE_EXECUTABLE
}
protected void checkComputesConsistentKeys() throws Exception {
ActionTester.runTest(
KeyAttributes.class,
new ActionTester.ActionCombinationFactory<KeyAttributes>() {
@Override
public Action generate(ImmutableSet<KeyAttributes> attributesToFlip) {
return createAction(
NULL_ACTION_OWNER,
outputArtifact,
attributesToFlip.contains(KeyAttributes.DATA) ? "0" : "1",
attributesToFlip.contains(KeyAttributes.MAKE_EXECUTABLE));
}
},
actionKeyContext);
}
}
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