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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.skyframe;
import static org.junit.Assert.assertSame;
import static org.junit.Assert.assertTrue;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.Sets;
import com.google.devtools.build.lib.actions.AbstractAction;
import com.google.devtools.build.lib.actions.Action;
import com.google.devtools.build.lib.actions.ActionExecutionContext;
import com.google.devtools.build.lib.actions.ActionExecutionException;
import com.google.devtools.build.lib.actions.Actions;
import com.google.devtools.build.lib.actions.Artifact;
import com.google.devtools.build.lib.actions.Executor;
import com.google.devtools.build.lib.actions.ResourceSet;
import com.google.devtools.build.lib.actions.Root;
import com.google.devtools.build.lib.actions.util.ActionsTestUtil;
import com.google.devtools.build.lib.actions.util.DummyExecutor;
import com.google.devtools.build.lib.vfs.FileSystemUtils;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;
import java.io.IOException;
import java.util.Collection;
import java.util.Set;
/**
* Tests that the data passed from the application to the Builder is passed
* down to each Action executed.
*/
@RunWith(JUnit4.class)
public class ActionDataTest extends TimestampBuilderTestCase {
@Test
public void testArgumentToBuildArtifactsIsPassedDownToAction() throws Exception {
class MyAction extends AbstractAction {
Object executor = null;
public MyAction(Collection<Artifact> outputs) {
super(ActionsTestUtil.NULL_ACTION_OWNER, ImmutableList.<Artifact>of(), outputs);
}
@Override
public void execute(ActionExecutionContext actionExecutionContext)
throws ActionExecutionException {
this.executor = actionExecutionContext.getExecutor();
try {
FileSystemUtils.createEmptyFile(getPrimaryOutput().getPath());
} catch (IOException e) {
throw new ActionExecutionException("failed: ", e, this, false);
}
}
@Override
public ResourceSet estimateResourceConsumption(Executor executor) {
return ResourceSet.ZERO;
}
@Override
protected String computeKey() {
return "MyAction";
}
@Override
public String getMnemonic() {
return "MyAction";
}
}
Artifact output = createDerivedArtifact("foo");
Set<Artifact> outputs = Sets.newHashSet(output);
MyAction action = new MyAction(outputs);
registerAction(action);
Executor executor = new DummyExecutor(scratch.dir("/"));
amnesiacBuilder()
.buildArtifacts(
reporter, outputs, null, null, null, null, executor, null, /*explain=*/ false, null);
assertSame(executor, action.executor);
executor = new DummyExecutor(scratch.dir("/"));
amnesiacBuilder()
.buildArtifacts(
reporter, outputs, null, null, null, null, executor, null, /*explain=*/ false, null);
assertSame(executor, action.executor);
}
private static class InputDiscoveringAction extends AbstractAction {
private final Collection<Artifact> discoveredInputs;
public InputDiscoveringAction(Artifact output, Collection<Artifact> discoveredInputs) {
super(
ActionsTestUtil.NULL_ACTION_OWNER,
ImmutableList.<Artifact>of(),
ImmutableList.of(output));
this.discoveredInputs = discoveredInputs;
}
@Override
public boolean discoversInputs() {
return true;
}
@Override
public boolean inputsKnown() {
return true;
}
@Override
public Iterable<Artifact> getMandatoryInputs() {
return ImmutableList.of();
}
@Override
public Iterable<Artifact> getInputs() {
return discoveredInputs;
}
@Override
public void execute(ActionExecutionContext actionExecutionContext) {
throw new IllegalStateException();
}
@Override
public String getMnemonic() {
return "InputDiscovering";
}
@Override
protected String computeKey() {
return "";
}
@Override
public ResourceSet estimateResourceConsumption(Executor executor) {
return ResourceSet.ZERO;
}
}
@Test
public void testActionSharabilityAndDiscoveredInputs() throws Exception {
Artifact output =
new Artifact(
scratch.file("/out/output"), Root.asDerivedRoot(scratch.dir("/"), scratch.dir("/out")));
Artifact discovered =
new Artifact(
scratch.file("/bin/discovered"),
Root.asDerivedRoot(scratch.dir("/"), scratch.dir("/bin")));
Action a = new InputDiscoveringAction(output, ImmutableList.of(discovered));
Action b = new InputDiscoveringAction(output, ImmutableList.<Artifact>of());
assertTrue(Actions.canBeShared(a, b));
}
}
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