| // 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.analysis; |
| |
| import static com.google.common.truth.Truth.assertThat; |
| import static com.google.devtools.build.lib.packages.Attribute.attr; |
| import static com.google.devtools.build.lib.packages.BuildType.LABEL; |
| |
| import com.google.common.collect.ImmutableMap; |
| import com.google.common.collect.Iterables; |
| import com.google.devtools.build.lib.analysis.config.BuildOptions; |
| import com.google.devtools.build.lib.analysis.config.TransitionFactories; |
| import com.google.devtools.build.lib.analysis.config.transitions.PatchTransition; |
| import com.google.devtools.build.lib.analysis.util.AnalysisTestCase; |
| import com.google.devtools.build.lib.analysis.util.MockRule; |
| import com.google.devtools.build.lib.cmdline.Label; |
| import com.google.devtools.build.lib.packages.Attribute; |
| import com.google.devtools.build.lib.skyframe.util.SkyframeExecutorTestUtils; |
| import com.google.devtools.build.lib.testutil.Suite; |
| import com.google.devtools.build.lib.testutil.TestRuleClassProvider; |
| import com.google.devtools.build.lib.testutil.TestSpec; |
| import org.junit.Before; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.JUnit4; |
| |
| /** |
| * Tests <target, sourceConfig> -> <dep, depConfig> relationships over latebound attributes. |
| * |
| * <p>Ideally these tests would be in {@link |
| * com.google.devtools.build.lib.skyframe.ConfigurationsForTargetsTest}. But that's a Skyframe test |
| * (ConfiguredTargetFunction is a Skyframe function). And the Skyframe library doesn't know anything |
| * about latebound attributes. So we need to place these properly under the analysis package. |
| */ |
| @TestSpec(size = Suite.SMALL_TESTS) |
| @RunWith(JUnit4.class) |
| public class ConfigurationsForLateBoundTargetsTest extends AnalysisTestCase { |
| private static final PatchTransition CHANGE_FOO_FLAG_TRANSITION = options -> { |
| BuildOptions toOptions = options.clone(); |
| toOptions.get(LateBoundSplitUtil.TestOptions.class).fooFlag = "PATCHED!"; |
| return toOptions; |
| }; |
| |
| /** Rule definition with a latebound dependency. */ |
| private static final RuleDefinition LATE_BOUND_DEP_RULE = |
| (MockRule) |
| () -> |
| MockRule.define( |
| "rule_with_latebound_attr", |
| (builder, env) -> { |
| builder |
| .add( |
| attr(":latebound_attr", LABEL) |
| .value( |
| Attribute.LateBoundDefault.fromConstantForTesting( |
| Label.parseAbsoluteUnchecked("//foo:latebound_dep"))) |
| .cfg(TransitionFactories.of(CHANGE_FOO_FLAG_TRANSITION))) |
| .requiresConfigurationFragments(LateBoundSplitUtil.TestFragment.class); |
| }); |
| |
| @Before |
| public void setupCustomLateBoundRules() throws Exception { |
| ConfiguredRuleClassProvider.Builder builder = new ConfiguredRuleClassProvider.Builder(); |
| TestRuleClassProvider.addStandardRules(builder); |
| builder.addRuleDefinition(LateBoundSplitUtil.RULE_WITH_TEST_FRAGMENT); |
| builder.addConfigurationFragment(new LateBoundSplitUtil.FragmentLoader()); |
| builder.addConfigurationOptions(LateBoundSplitUtil.TestOptions.class); |
| builder.addRuleDefinition(LATE_BOUND_DEP_RULE); |
| useRuleClassProvider(builder.build()); |
| } |
| |
| @Test |
| public void lateBoundAttributeInTargetConfiguration() throws Exception { |
| scratch.file("foo/BUILD", |
| "rule_with_latebound_attr(", |
| " name = 'foo')", |
| "rule_with_test_fragment(", |
| " name = 'latebound_dep')"); |
| update("//foo:foo"); |
| assertThat(getConfiguredTarget("//foo:foo", getTargetConfiguration())).isNotNull(); |
| ConfiguredTarget dep = |
| Iterables.getOnlyElement( |
| SkyframeExecutorTestUtils.getExistingConfiguredTargets( |
| skyframeExecutor, Label.parseAbsolute("//foo:latebound_dep", ImmutableMap.of()))); |
| assertThat(getConfiguration(dep)).isNotEqualTo(getTargetConfiguration()); |
| assertThat(LateBoundSplitUtil.getOptions(getConfiguration(dep)).fooFlag).isEqualTo("PATCHED!"); |
| } |
| |
| @Test |
| public void lateBoundAttributeInHostConfiguration() throws Exception { |
| scratch.file("foo/BUILD", |
| "genrule(", |
| " name = 'gen',", |
| " srcs = [],", |
| " outs = ['gen.out'],", |
| " cmd = 'echo hi > $@',", |
| " tools = [':foo'])", |
| "rule_with_latebound_attr(", |
| " name = 'foo')", |
| "rule_with_test_fragment(", |
| " name = 'latebound_dep')"); |
| update("//foo:gen"); |
| assertThat(getConfiguredTarget("//foo:foo", getHostConfiguration())).isNotNull(); |
| ConfiguredTarget dep = |
| Iterables.getOnlyElement( |
| SkyframeExecutorTestUtils.getExistingConfiguredTargets( |
| skyframeExecutor, Label.parseAbsolute("//foo:latebound_dep", ImmutableMap.of()))); |
| assertThat(getConfiguration(dep)).isEqualTo(getHostConfiguration()); |
| // This is technically redundant, but slightly stronger in sanity checking that the host |
| // configuration doesn't happen to match what the patch would have done. |
| assertThat(LateBoundSplitUtil.getOptions(getConfiguration(dep)).fooFlag).isEmpty(); |
| } |
| } |