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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 static com.google.common.truth.Truth.assertThat;
import static com.google.devtools.build.skyframe.EvaluationResultSubjectFactory.assertThatEvaluationResult;
import com.google.common.collect.ImmutableList;
import com.google.common.testing.EqualsTester;
import com.google.common.truth.IterableSubject;
import com.google.devtools.build.lib.analysis.platform.DeclaredToolchainInfo;
import com.google.devtools.build.lib.cmdline.Label;
import com.google.devtools.build.lib.rules.platform.ToolchainTestCase;
import com.google.devtools.build.lib.skyframe.util.SkyframeExecutorTestUtils;
import com.google.devtools.build.skyframe.EvaluationResult;
import com.google.devtools.build.skyframe.SkyKey;
import java.util.List;
import java.util.stream.Collectors;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;
/** Tests for {@link RegisteredToolchainsFunction} and {@link RegisteredToolchainsValue}. */
@RunWith(JUnit4.class)
public class RegisteredToolchainsFunctionTest extends ToolchainTestCase {
private EvaluationResult<RegisteredToolchainsValue> requestToolchainsFromSkyframe(
SkyKey toolchainsKey) throws InterruptedException {
try {
getSkyframeExecutor().getSkyframeBuildView().enableAnalysis(true);
return SkyframeExecutorTestUtils.evaluate(
getSkyframeExecutor(), toolchainsKey, /*keepGoing=*/ false, reporter);
} finally {
getSkyframeExecutor().getSkyframeBuildView().enableAnalysis(false);
}
}
@Test
public void testRegisteredToolchains() throws Exception {
// Request the toolchains.
SkyKey toolchainsKey = RegisteredToolchainsValue.key(targetConfig);
EvaluationResult<RegisteredToolchainsValue> result =
requestToolchainsFromSkyframe(toolchainsKey);
assertThatEvaluationResult(result).hasNoError();
assertThatEvaluationResult(result).hasEntryThat(toolchainsKey).isNotNull();
RegisteredToolchainsValue value = result.get(toolchainsKey);
assertThat(value.registeredToolchains()).hasSize(2);
DeclaredToolchainInfo registeredToolchain1 = value.registeredToolchains().get(0);
assertThat(registeredToolchain1).isNotNull();
assertThat(registeredToolchain1.toolchainType()).isEqualTo(testToolchainType);
assertThat(registeredToolchain1.execConstraints()).containsExactly(linuxConstraint);
assertThat(registeredToolchain1.targetConstraints()).containsExactly(macConstraint);
assertThat(registeredToolchain1.toolchainLabel())
.isEqualTo(makeLabel("//toolchain:test_toolchain_1"));
DeclaredToolchainInfo registeredToolchain2 = value.registeredToolchains().get(1);
assertThat(registeredToolchain2).isNotNull();
assertThat(registeredToolchain2.toolchainType()).isEqualTo(testToolchainType);
assertThat(registeredToolchain2.execConstraints()).containsExactly(macConstraint);
assertThat(registeredToolchain2.targetConstraints()).containsExactly(linuxConstraint);
assertThat(registeredToolchain2.toolchainLabel())
.isEqualTo(makeLabel("//toolchain:test_toolchain_2"));
}
@Test
public void testRegisteredToolchains_flagOverride() throws Exception {
// Add an extra toolchain.
scratch.file(
"extra/BUILD",
"load('//toolchain:toolchain_def.bzl', 'test_toolchain')",
"toolchain(",
" name = 'extra_toolchain',",
" toolchain_type = '//toolchain:test_toolchain',",
" exec_compatible_with = ['//constraint:linux'],",
" target_compatible_with = ['//constraint:linux'],",
" toolchain = ':extra_toolchain_impl')",
"test_toolchain(",
" name='extra_toolchain_impl',",
" data = 'extra')");
rewriteWorkspace("register_toolchains('//toolchain:toolchain_1')");
useConfiguration("--extra_toolchains=//extra:extra_toolchain");
SkyKey toolchainsKey = RegisteredToolchainsValue.key(targetConfig);
EvaluationResult<RegisteredToolchainsValue> result =
requestToolchainsFromSkyframe(toolchainsKey);
assertThatEvaluationResult(result).hasNoError();
// Verify that the target registered with the extra_toolchains flag is first in the list.
assertToolchainLabels(result.get(toolchainsKey))
.containsExactly(
makeLabel("//extra:extra_toolchain_impl"), makeLabel("//toolchain:test_toolchain_1"))
.inOrder();
}
@Test
public void testRegisteredToolchains_notToolchain() throws Exception {
rewriteWorkspace("register_toolchains(", " '//error:not_a_toolchain')");
scratch.file("error/BUILD", "filegroup(name = 'not_a_toolchain')");
// Request the toolchains.
SkyKey toolchainsKey = RegisteredToolchainsValue.key(targetConfig);
EvaluationResult<RegisteredToolchainsValue> result =
requestToolchainsFromSkyframe(toolchainsKey);
assertThatEvaluationResult(result)
.hasErrorEntryForKeyThat(toolchainsKey)
.hasExceptionThat()
.hasMessageThat()
.contains(
"invalid registered toolchain '//error:not_a_toolchain': "
+ "target does not provide the DeclaredToolchainInfo provider");
}
@Test
public void testRegisteredToolchains_reload() throws Exception {
rewriteWorkspace("register_toolchains('//toolchain:toolchain_1')");
SkyKey toolchainsKey = RegisteredToolchainsValue.key(targetConfig);
EvaluationResult<RegisteredToolchainsValue> result =
requestToolchainsFromSkyframe(toolchainsKey);
assertThatEvaluationResult(result).hasNoError();
assertToolchainLabels(result.get(toolchainsKey))
.containsExactly(makeLabel("//toolchain:test_toolchain_1"));
// Re-write the WORKSPACE.
rewriteWorkspace("register_toolchains('//toolchain:toolchain_2')");
toolchainsKey = RegisteredToolchainsValue.key(targetConfig);
result = requestToolchainsFromSkyframe(toolchainsKey);
assertThatEvaluationResult(result).hasNoError();
assertToolchainLabels(result.get(toolchainsKey))
.containsExactly(makeLabel("//toolchain:test_toolchain_2"));
}
@Test
public void testRegisteredToolchainsValue_equalsAndHashCode() {
DeclaredToolchainInfo toolchain1 =
DeclaredToolchainInfo.create(
makeLabel("//test:toolchain"),
ImmutableList.of(),
ImmutableList.of(),
makeLabel("//test/toolchain_impl_1"));
DeclaredToolchainInfo toolchain2 =
DeclaredToolchainInfo.create(
makeLabel("//test:toolchain"),
ImmutableList.of(),
ImmutableList.of(),
makeLabel("//test/toolchain_impl_2"));
new EqualsTester()
.addEqualityGroup(
RegisteredToolchainsValue.create(ImmutableList.of(toolchain1, toolchain2)),
RegisteredToolchainsValue.create(ImmutableList.of(toolchain1, toolchain2)))
.addEqualityGroup(
RegisteredToolchainsValue.create(ImmutableList.of(toolchain1)),
RegisteredToolchainsValue.create(ImmutableList.of(toolchain2)),
RegisteredToolchainsValue.create(ImmutableList.of(toolchain2, toolchain1)));
}
private static IterableSubject assertToolchainLabels(
RegisteredToolchainsValue registeredToolchainsValue) {
assertThat(registeredToolchainsValue).isNotNull();
ImmutableList<DeclaredToolchainInfo> declaredToolchains =
registeredToolchainsValue.registeredToolchains();
List<Label> labels = collectToolchainLabels(declaredToolchains);
return assertThat(labels);
}
private static List<Label> collectToolchainLabels(List<DeclaredToolchainInfo> toolchains) {
return toolchains
.stream()
.map((toolchain -> toolchain.toolchainLabel()))
.collect(Collectors.toList());
}
}
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