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// Copyright 2018 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 com.google.common.truth.Truth.assertThat;
import static com.google.devtools.build.skyframe.EvaluationResultSubjectFactory.assertThatEvaluationResult;
import com.google.auto.value.AutoValue;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.ImmutableMap;
import com.google.devtools.build.lib.analysis.BlazeDirectories;
import com.google.devtools.build.lib.analysis.platform.PlatformInfo;
import com.google.devtools.build.lib.analysis.util.AnalysisMock;
import com.google.devtools.build.lib.rules.platform.ToolchainTestCase;
import com.google.devtools.build.lib.skyframe.PlatformLookupUtil.InvalidPlatformException;
import com.google.devtools.build.lib.skyframe.util.SkyframeExecutorTestUtils;
import com.google.devtools.build.skyframe.EvaluationResult;
import com.google.devtools.build.skyframe.SkyFunction;
import com.google.devtools.build.skyframe.SkyFunctionException;
import com.google.devtools.build.skyframe.SkyFunctionName;
import com.google.devtools.build.skyframe.SkyKey;
import com.google.devtools.build.skyframe.SkyValue;
import java.util.Map;
import javax.annotation.Nullable;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;
/** Tests for {@link PlatformLookupUtil}. */
@RunWith(JUnit4.class)
public class PlatformLookupUtilTest extends ToolchainTestCase {
/**
* An {@link AnalysisMock} that injects {@link GetPlatformInfoFunction} into the Skyframe
* executor.
*/
private static final class AnalysisMockWithGetPlatformInfoFunction extends AnalysisMock.Delegate {
AnalysisMockWithGetPlatformInfoFunction() {
super(AnalysisMock.get());
}
@Override
public ImmutableMap<SkyFunctionName, SkyFunction> getSkyFunctions(
BlazeDirectories directories) {
return ImmutableMap.<SkyFunctionName, SkyFunction>builder()
.putAll(super.getSkyFunctions(directories))
.put(GET_PLATFORM_INFO_FUNCTION, new GetPlatformInfoFunction())
.build();
}
}
@Override
protected AnalysisMock getAnalysisMock() {
return new AnalysisMockWithGetPlatformInfoFunction();
}
@Test
public void testPlatformLookup() throws Exception {
ConfiguredTargetKey linuxKey =
ConfiguredTargetKey.of(makeLabel("//platforms:linux"), targetConfigKey, false);
ConfiguredTargetKey macKey =
ConfiguredTargetKey.of(makeLabel("//platforms:mac"), targetConfigKey, false);
GetPlatformInfoKey key = GetPlatformInfoKey.create(ImmutableList.of(linuxKey, macKey));
EvaluationResult<GetPlatformInfoValue> result = getPlatformInfo(key);
assertThatEvaluationResult(result).hasNoError();
assertThatEvaluationResult(result).hasEntryThat(key).isNotNull();
Map<ConfiguredTargetKey, PlatformInfo> platforms = result.get(key).platforms();
assertThat(platforms).containsEntry(linuxKey, linuxPlatform);
assertThat(platforms).containsEntry(macKey, macPlatform);
assertThat(platforms).hasSize(2);
}
@Test
public void testPlatformLookup_targetNotPlatform() throws Exception {
scratch.file("invalid/BUILD", "filegroup(name = 'not_a_platform')");
ConfiguredTargetKey targetKey =
ConfiguredTargetKey.of(makeLabel("//invalid:not_a_platform"), targetConfigKey, false);
GetPlatformInfoKey key = GetPlatformInfoKey.create(ImmutableList.of(targetKey));
EvaluationResult<GetPlatformInfoValue> result = getPlatformInfo(key);
assertThatEvaluationResult(result).hasError();
assertThatEvaluationResult(result)
.hasErrorEntryForKeyThat(key)
.hasExceptionThat()
.isInstanceOf(InvalidPlatformException.class);
assertThatEvaluationResult(result)
.hasErrorEntryForKeyThat(key)
.hasExceptionThat()
.hasMessageThat()
.contains("//invalid:not_a_platform");
}
@Test
public void testPlatformLookup_targetDoesNotExist() throws Exception {
ConfiguredTargetKey targetKey =
ConfiguredTargetKey.of(makeLabel("//fake:missing"), targetConfigKey, false);
GetPlatformInfoKey key = GetPlatformInfoKey.create(ImmutableList.of(targetKey));
EvaluationResult<GetPlatformInfoValue> result = getPlatformInfo(key);
assertThatEvaluationResult(result).hasError();
assertThatEvaluationResult(result)
.hasErrorEntryForKeyThat(key)
.hasExceptionThat()
.isInstanceOf(InvalidPlatformException.class);
assertThatEvaluationResult(result)
.hasErrorEntryForKeyThat(key)
.hasExceptionThat()
.hasMessageThat()
.contains("no such package 'fake': BUILD file not found on package path");
}
// Calls PlatformLookupUtil.getPlatformInfo.
private static final SkyFunctionName GET_PLATFORM_INFO_FUNCTION =
SkyFunctionName.createHermetic("GET_PLATFORM_INFO_FUNCTION");
@AutoValue
abstract static class GetPlatformInfoKey implements SkyKey {
@Override
public SkyFunctionName functionName() {
return GET_PLATFORM_INFO_FUNCTION;
}
abstract Iterable<ConfiguredTargetKey> platformKeys();
public static GetPlatformInfoKey create(Iterable<ConfiguredTargetKey> platformKeys) {
return new AutoValue_PlatformLookupUtilTest_GetPlatformInfoKey(platformKeys);
}
}
EvaluationResult<GetPlatformInfoValue> getPlatformInfo(GetPlatformInfoKey key)
throws InterruptedException {
try {
// Must re-enable analysis for Skyframe functions that create configured targets.
skyframeExecutor.getSkyframeBuildView().enableAnalysis(true);
return SkyframeExecutorTestUtils.evaluate(
skyframeExecutor, key, /*keepGoing=*/ false, reporter);
} finally {
skyframeExecutor.getSkyframeBuildView().enableAnalysis(false);
}
}
@AutoValue
abstract static class GetPlatformInfoValue implements SkyValue {
abstract Map<ConfiguredTargetKey, PlatformInfo> platforms();
static GetPlatformInfoValue create(Map<ConfiguredTargetKey, PlatformInfo> platforms) {
return new AutoValue_PlatformLookupUtilTest_GetPlatformInfoValue(platforms);
}
}
private static final class GetPlatformInfoFunction implements SkyFunction {
@Nullable
@Override
public SkyValue compute(SkyKey skyKey, Environment env)
throws SkyFunctionException, InterruptedException {
GetPlatformInfoKey key = (GetPlatformInfoKey) skyKey;
try {
Map<ConfiguredTargetKey, PlatformInfo> platforms =
PlatformLookupUtil.getPlatformInfo(key.platformKeys(), env);
if (env.valuesMissing()) {
return null;
}
return GetPlatformInfoValue.create(platforms);
} catch (InvalidPlatformException e) {
throw new GetPlatformInfoFunctionException(e);
}
}
@Nullable
@Override
public String extractTag(SkyKey skyKey) {
return null;
}
}
private static class GetPlatformInfoFunctionException extends SkyFunctionException {
public GetPlatformInfoFunctionException(InvalidPlatformException e) {
super(e, Transience.PERSISTENT);
}
}
}
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