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// Copyright 2017 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 com.google.common.collect.ImmutableList;
import com.google.common.collect.ImmutableMap;
import com.google.common.collect.ImmutableSet;
import com.google.devtools.build.lib.events.ExtendedEventHandler;
import com.google.devtools.build.lib.util.ResourceUsage;
import com.google.devtools.build.skyframe.AbstractSkyFunctionEnvironment;
import com.google.devtools.build.skyframe.BuildDriver;
import com.google.devtools.build.skyframe.EvaluationResult;
import com.google.devtools.build.skyframe.SkyFunction;
import com.google.devtools.build.skyframe.SkyKey;
import com.google.devtools.build.skyframe.SkyValue;
import com.google.devtools.build.skyframe.ValueOrUntypedException;
import java.util.Map;
/** A skyframe environment that can be used to evaluate arbitrary skykeys for testing. */
public class SkyFunctionEnvironmentForTesting extends AbstractSkyFunctionEnvironment
implements SkyFunction.Environment {
private final BuildDriver buildDriver;
private final ExtendedEventHandler eventHandler;
private final SkyframeExecutor skyframeExecutor;
/** Creates a SkyFunctionEnvironmentForTesting that uses a BuildDriver to evaluate skykeys. */
public SkyFunctionEnvironmentForTesting(
BuildDriver buildDriver,
ExtendedEventHandler eventHandler,
SkyframeExecutor skyframeExecutor) {
this.buildDriver = buildDriver;
this.eventHandler = eventHandler;
this.skyframeExecutor = skyframeExecutor;
}
@Override
protected Map<SkyKey, ValueOrUntypedException> getValueOrUntypedExceptions(
Iterable<? extends SkyKey> depKeys) throws InterruptedException {
ImmutableMap.Builder<SkyKey, ValueOrUntypedException> resultMap = ImmutableMap.builder();
Iterable<SkyKey> keysToEvaluate = ImmutableList.copyOf(depKeys);
EvaluationResult<SkyValue> evaluationResult =
skyframeExecutor.evaluateSkyKeys(eventHandler, keysToEvaluate, true);
buildDriver.evaluate(depKeys, true, ResourceUsage.getAvailableProcessors(), eventHandler);
for (SkyKey depKey : ImmutableSet.copyOf(depKeys)) {
resultMap.put(depKey, ValueOrUntypedException.ofValueUntyped(evaluationResult.get(depKey)));
}
return resultMap.build();
}
@Override
public ExtendedEventHandler getListener() {
return eventHandler;
}
@Override
public boolean inErrorBubblingForTesting() {
return false;
}
}
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