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// Copyright 2015 Google Inc. 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.analysis;
import static com.google.common.truth.Truth.assertThat;
import com.google.devtools.build.lib.analysis.util.AnalysisTestCase;
import com.google.devtools.build.lib.analysis.util.TestAspects;
import com.google.devtools.build.lib.analysis.util.TestAspects.AspectRequiringRule;
import com.google.devtools.build.lib.testutil.TestRuleClassProvider;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;
/**
* Tests for aspect creation and merging with configured targets.
*
* <p>Uses the complete analysis machinery and depends on custom rules so that behaviors related to
* aspects can be tested even if they aren't used by regular rules.
*/
@RunWith(JUnit4.class)
public class AspectTest extends AnalysisTestCase {
@Override
@Before
public void setUp() throws Exception {
super.setUp();
}
@Override
@After
public void tearDown() throws Exception {
super.tearDown();
}
@SafeVarargs
private final void setRules(RuleDefinition... rules) throws Exception {
ConfiguredRuleClassProvider.Builder builder =
new ConfiguredRuleClassProvider.Builder();
TestRuleClassProvider.addStandardRules(builder);
for (RuleDefinition rule : rules) {
builder.addRuleDefinition(rule);
}
useRuleClassProvider(builder.build());
update();
}
private void pkg(String name, String... contents) throws Exception {
scratch.file("" + name + "/BUILD", contents);
}
@Test
public void providersOfAspectAreMergedIntoDependency() throws Exception {
setRules(new TestAspects.BaseRule(), new AspectRequiringRule());
pkg("a",
"aspect(name='a', foo=[':b'])",
"aspect(name='b', foo=[])");
ConfiguredTarget a = getConfiguredTarget("//a:a");
assertThat(a.getProvider(TestAspects.RuleInfo.class).getData())
.containsExactly("aspect //a:b", "rule //a:a");
}
@Test
public void aspectIsNotCreatedIfAdvertisedProviderIsNotPresent() throws Exception {
setRules(new TestAspects.BaseRule(), new TestAspects.LiarRule(),
new TestAspects.AspectRequiringProviderRule());
pkg("a",
"aspect_requiring_provider(name='a', foo=[':b'])",
"liar(name='b', foo=[])");
ConfiguredTarget a = getConfiguredTarget("//a:a");
assertThat(a.getProvider(TestAspects.RuleInfo.class).getData())
.containsExactly("rule //a:a");
}
@Test
public void aspectCreatedIfAdvertisedProviderIsPresent() throws Exception {
setRules(new TestAspects.BaseRule(), new TestAspects.HonestRule(),
new TestAspects.AspectRequiringProviderRule());
pkg("a",
"aspect_requiring_provider(name='a', foo=[':b'])",
"honest(name='b', foo=[])");
ConfiguredTarget a = getConfiguredTarget("//a:a");
assertThat(a.getProvider(TestAspects.RuleInfo.class).getData())
.containsExactly("rule //a:a", "aspect //a:b");
}
@Test
public void aspectInError() throws Exception {
setRules(new TestAspects.BaseRule(), new TestAspects.ErrorAspectRule(),
new TestAspects.SimpleRule());
pkg("a",
"simple(name='a', foo=[':b'])",
"error_aspect(name='b', foo=[':c'])",
"simple(name='c')");
reporter.removeHandler(failFastHandler);
// getConfiguredTarget() uses a separate code path that does not hit
// SkyframeBuildView#configureTargets
try {
update("//a:a");
fail();
} catch (ViewCreationFailedException e) {
// expected
}
assertContainsEvent("Aspect error");
}
@Test
public void transitiveAspectInError() throws Exception {
setRules(new TestAspects.BaseRule(), new TestAspects.ErrorAspectRule(),
new TestAspects.SimpleRule());
pkg("a",
"error_aspect(name='a', foo=[':b'])",
"error_aspect(name='b', bar=[':c'])",
"error_aspect(name='c', bar=[':d'])",
"error_aspect(name='d')");
reporter.removeHandler(failFastHandler);
// getConfiguredTarget() uses a separate code path that does not hit
// SkyframeBuildView#configureTargets
try {
update("//a:a");
fail();
} catch (ViewCreationFailedException e) {
// expected
}
assertContainsEvent("Aspect error");
}
@Test
public void sameTargetInDifferentAttributes() throws Exception {
setRules(new TestAspects.BaseRule(), new TestAspects.AspectRequiringRule(),
new TestAspects.SimpleRule());
pkg("a",
"aspect(name='a', foo=[':b'], bar=[':b'])",
"aspect(name='b', foo=[])");
ConfiguredTarget a = getConfiguredTarget("//a:a");
assertThat(a.getProvider(TestAspects.RuleInfo.class).getData())
.containsExactly("aspect //a:b", "rule //a:a");
}
@Test
public void informationFromBaseRulePassedToAspect() throws Exception {
setRules(new TestAspects.BaseRule(), new TestAspects.HonestRule(),
new TestAspects.AspectRequiringProviderRule());
pkg("a",
"aspect_requiring_provider(name='a', foo=[':b'], baz='hello')",
"honest(name='b', foo=[])");
ConfiguredTarget a = getConfiguredTarget("//a:a");
assertThat(a.getProvider(TestAspects.RuleInfo.class).getData())
.containsExactly("rule //a:a", "aspect //a:b data hello");
}
@RunWith(JUnit4.class)
public static class AspectTestWithoutLoading extends AspectTest {
@Override
@Before
public void setUp() throws Exception {
disableLoading();
super.setUp();
}
}
}
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