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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.pkgcache;
import static com.google.common.truth.Truth.assertThat;
import com.google.devtools.build.lib.cmdline.Label;
import com.google.devtools.build.lib.cmdline.LabelSyntaxException;
import com.google.devtools.build.lib.cmdline.ResolvedTargets;
import com.google.devtools.build.lib.cmdline.TargetParsingException;
import com.google.devtools.build.lib.events.DelegatingEventHandler;
import com.google.devtools.build.lib.events.EventHandler;
import com.google.devtools.build.lib.packages.ConstantRuleVisibility;
import com.google.devtools.build.lib.packages.Target;
import com.google.devtools.build.lib.packages.util.PackageLoadingTestCase;
import com.google.devtools.build.lib.testutil.TestConstants;
import com.google.devtools.build.lib.util.Pair;
import org.junit.Before;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import java.util.TreeSet;
/**
* Abstract framework for target pattern evaluation tests. The {@link TargetPatternEvaluatorTest}
* contains much of the functionality that might be needed for future tests, and its methods should
* be extracted here if they are needed by other classes.
*/
public abstract class AbstractTargetPatternEvaluatorTest extends PackageLoadingTestCase {
protected TargetPatternEvaluator parser;
protected RecordingParsingListener parsingListener;
protected static ResolvedTargets<Target> parseTargetPatternList(
TargetPatternEvaluator parser, EventHandler eventHandler,
List<String> targetPatterns, boolean keepGoing)
throws TargetParsingException, InterruptedException {
return parseTargetPatternList(
parser, eventHandler, targetPatterns, FilteringPolicies.NO_FILTER, keepGoing);
}
protected static ResolvedTargets<Target> parseTargetPatternList(
TargetPatternEvaluator parser, EventHandler eventHandler,
List<String> targetPatterns, FilteringPolicy policy,
boolean keepGoing) throws TargetParsingException, InterruptedException {
return parser.parseTargetPatternList(eventHandler, targetPatterns, policy, keepGoing);
}
/**
* Method converts collection of targets to the new, mutable,
* lexicographically-ordered set of corresponding labels.
*/
protected static Set<Label> targetsToLabels(Iterable<Target> targets) {
Set<Label> labels = new TreeSet<>();
for (Target target : targets) {
labels.add(target.getLabel());
}
return labels;
}
@Before
public final void initializeParser() throws Exception {
setUpSkyframe(
ConstantRuleVisibility.PRIVATE,
ruleClassProvider.getDefaultsPackageContent(TestConstants.TEST_INVOCATION_POLICY));
parser = skyframeExecutor.getPackageManager().newTargetPatternEvaluator();
parsingListener = new RecordingParsingListener(reporter);
}
protected static Set<Label> labels(String... labelStrings) throws LabelSyntaxException {
Set<Label> labels = new HashSet<>();
for (String labelString : labelStrings) {
labels.add(Label.parseAbsolute(labelString));
}
return labels;
}
protected Pair<Set<Label>, Boolean> parseListKeepGoing(String... patterns)
throws TargetParsingException, InterruptedException {
ResolvedTargets<Target> result = parseTargetPatternList(parser, parsingListener,
Arrays.asList(patterns), true);
return Pair.of(targetsToLabels(result.getTargets()), result.hasError());
}
/** Event handler that records all parsing errors. */
protected static final class RecordingParsingListener extends DelegatingEventHandler
implements ParseFailureListener {
protected final List<Pair<String, String>> events = new ArrayList<>();
private RecordingParsingListener(EventHandler delegate) {
super(delegate);
}
@Override
public void parsingError(String targetPattern, String message) {
events.add(Pair.of(targetPattern, message));
}
protected void assertEmpty() {
assertThat(events).isEmpty();
}
}
}
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