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// Copyright 2016 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.packages;
import static com.google.common.truth.Truth.assertThat;
import com.google.common.collect.ImmutableSet;
import com.google.devtools.build.lib.packages.Attribute.ConfigurationTransition;
import com.google.devtools.build.lib.packages.ConfigurationFragmentPolicy.MissingFragmentPolicy;
import com.google.devtools.build.lib.skylarkinterface.SkylarkModule;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;
/**
* Tests for the ConfigurationFragmentPolicy builder and methods.
*/
@RunWith(JUnit4.class)
public final class ConfigurationFragmentPolicyTest {
@SkylarkModule(name = "test_fragment", doc = "first fragment")
private static final class TestFragment {}
@SkylarkModule(name = "other_fragment", doc = "second fragment")
private static final class OtherFragment {}
@SkylarkModule(name = "unknown_fragment", doc = "useless waste of permgen")
private static final class UnknownFragment {}
@Test
public void testMissingFragmentPolicy() throws Exception {
ConfigurationFragmentPolicy policy =
new ConfigurationFragmentPolicy.Builder()
.setMissingFragmentPolicy(MissingFragmentPolicy.IGNORE)
.build();
assertThat(policy.getMissingFragmentPolicy()).isEqualTo(MissingFragmentPolicy.IGNORE);
ConfigurationFragmentPolicy otherPolicy =
new ConfigurationFragmentPolicy.Builder()
.setMissingFragmentPolicy(MissingFragmentPolicy.CREATE_FAIL_ACTIONS)
.build();
assertThat(otherPolicy.getMissingFragmentPolicy())
.isEqualTo(MissingFragmentPolicy.CREATE_FAIL_ACTIONS);
}
@Test
public void testRequiresConfigurationFragments_AddsToRequiredSet() throws Exception {
// Although these aren't configuration fragments, there are no requirements as to what the class
// has to be, so...
ConfigurationFragmentPolicy policy =
new ConfigurationFragmentPolicy.Builder()
.requiresConfigurationFragments(ImmutableSet.<Class<?>>of(Integer.class, String.class))
.requiresConfigurationFragments(ImmutableSet.<Class<?>>of(String.class, Long.class))
.build();
assertThat(policy.getRequiredConfigurationFragments())
.containsExactly(Integer.class, String.class, Long.class);
}
@Test
public void testRequiresConfigurationFragments_RequiredAndLegalForSpecifiedConfiguration()
throws Exception {
ConfigurationFragmentPolicy policy =
new ConfigurationFragmentPolicy.Builder()
.requiresConfigurationFragments(ImmutableSet.<Class<?>>of(Integer.class))
.requiresHostConfigurationFragments(ImmutableSet.<Class<?>>of(Long.class))
.build();
assertThat(policy.getRequiredConfigurationFragments()).containsAllOf(Integer.class, Long.class);
assertThat(policy.isLegalConfigurationFragment(Integer.class)).isTrue();
assertThat(policy.isLegalConfigurationFragment(Integer.class, ConfigurationTransition.NONE))
.isTrue();
// TODO(mstaib): .isFalse() when dynamic configurations care which configuration a fragment was
// specified for
assertThat(policy.isLegalConfigurationFragment(Integer.class, ConfigurationTransition.HOST))
.isTrue();
assertThat(policy.isLegalConfigurationFragment(Long.class)).isTrue();
// TODO(mstaib): .isFalse() when dynamic configurations care which configuration a fragment was
// specified for
assertThat(policy.isLegalConfigurationFragment(Long.class, ConfigurationTransition.NONE))
.isTrue();
assertThat(policy.isLegalConfigurationFragment(Long.class, ConfigurationTransition.HOST))
.isTrue();
assertThat(policy.isLegalConfigurationFragment(String.class)).isFalse();
assertThat(policy.isLegalConfigurationFragment(String.class, ConfigurationTransition.NONE))
.isFalse();
assertThat(policy.isLegalConfigurationFragment(String.class, ConfigurationTransition.HOST))
.isFalse();
}
@Test
public void testRequiresConfigurationFragments_MapSetsLegalityBySkylarkModuleName_NoRequires()
throws Exception {
ConfigurationFragmentPolicy policy =
new ConfigurationFragmentPolicy.Builder()
.requiresConfigurationFragmentsBySkylarkModuleName(ImmutableSet.of("test_fragment"))
.requiresHostConfigurationFragmentsBySkylarkModuleName(
ImmutableSet.of("other_fragment"))
.build();
assertThat(policy.getRequiredConfigurationFragments()).isEmpty();
assertThat(policy.isLegalConfigurationFragment(TestFragment.class)).isTrue();
assertThat(
policy.isLegalConfigurationFragment(TestFragment.class, ConfigurationTransition.NONE))
.isTrue();
assertThat(
policy.isLegalConfigurationFragment(TestFragment.class, ConfigurationTransition.HOST))
.isFalse();
assertThat(policy.isLegalConfigurationFragment(OtherFragment.class)).isTrue();
assertThat(
policy.isLegalConfigurationFragment(OtherFragment.class, ConfigurationTransition.NONE))
.isFalse();
assertThat(
policy.isLegalConfigurationFragment(OtherFragment.class, ConfigurationTransition.HOST))
.isTrue();
assertThat(policy.isLegalConfigurationFragment(UnknownFragment.class)).isFalse();
assertThat(
policy.isLegalConfigurationFragment(
UnknownFragment.class, ConfigurationTransition.NONE))
.isFalse();
assertThat(
policy.isLegalConfigurationFragment(
UnknownFragment.class, ConfigurationTransition.HOST))
.isFalse();
}
@Test
public void testIncludeConfigurationFragmentsFrom_MergesWithExistingFragmentSet()
throws Exception {
ConfigurationFragmentPolicy basePolicy =
new ConfigurationFragmentPolicy.Builder()
.requiresConfigurationFragmentsBySkylarkModuleName(ImmutableSet.of("test_fragment"))
.requiresConfigurationFragments(ImmutableSet.<Class<?>>of(Integer.class, Double.class))
.build();
ConfigurationFragmentPolicy addedPolicy =
new ConfigurationFragmentPolicy.Builder()
.requiresConfigurationFragmentsBySkylarkModuleName(ImmutableSet.of("other_fragment"))
.requiresHostConfigurationFragmentsBySkylarkModuleName(
ImmutableSet.of("other_fragment"))
.requiresConfigurationFragments(ImmutableSet.<Class<?>>of(Boolean.class))
.requiresHostConfigurationFragments(ImmutableSet.<Class<?>>of(Character.class))
.build();
ConfigurationFragmentPolicy combinedPolicy =
new ConfigurationFragmentPolicy.Builder()
.includeConfigurationFragmentsFrom(basePolicy)
.includeConfigurationFragmentsFrom(addedPolicy)
.build();
assertThat(combinedPolicy.getRequiredConfigurationFragments())
.containsExactly(Integer.class, Double.class, Boolean.class, Character.class);
assertThat(combinedPolicy.isLegalConfigurationFragment(TestFragment.class)).isTrue();
assertThat(combinedPolicy.isLegalConfigurationFragment(OtherFragment.class)).isTrue();
}
}
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