| // Copyright 2021 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.config; |
| |
| import static com.google.common.truth.Truth.assertThat; |
| import static org.junit.Assert.assertThrows; |
| |
| import com.google.common.collect.ImmutableList; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.JUnit4; |
| |
| /** Tests for {@link FragmentRegistry}. */ |
| @RunWith(JUnit4.class) |
| public final class FragmentRegistryTest { |
| |
| private static final class OptionsA extends FragmentOptions {} |
| |
| private static final class OptionsB extends FragmentOptions {} |
| |
| private static final class MoreOptions extends FragmentOptions {} |
| |
| private static final class EvenMoreOptions extends FragmentOptions {} |
| |
| @RequiresOptions(options = OptionsA.class) |
| private static final class FragmentA extends Fragment {} |
| |
| @RequiresOptions(options = OptionsB.class) |
| private static final class FragmentB extends Fragment {} |
| |
| @Test |
| public void createsRegistry() { |
| FragmentRegistry registry = |
| FragmentRegistry.create( |
| /*allFragments=*/ ImmutableList.of(FragmentA.class, FragmentB.class), |
| /*universalFragments=*/ ImmutableList.of(FragmentB.class), |
| /*additionalOptions=*/ ImmutableList.of(MoreOptions.class, EvenMoreOptions.class)); |
| |
| assertThat(registry.getAllFragments()).containsExactly(FragmentA.class, FragmentB.class); |
| assertThat(registry.getUniversalFragments()).containsExactly(FragmentB.class); |
| assertThat(registry.getOptionsClasses()) |
| .containsExactly(OptionsA.class, OptionsB.class, MoreOptions.class, EvenMoreOptions.class); |
| } |
| |
| @Test |
| public void canonicalizesOrder() { |
| FragmentRegistry registry1 = |
| FragmentRegistry.create( |
| /*allFragments=*/ ImmutableList.of(FragmentA.class, FragmentB.class), |
| /*universalFragments=*/ ImmutableList.of(FragmentA.class, FragmentB.class), |
| /*additionalOptions=*/ ImmutableList.of(MoreOptions.class, EvenMoreOptions.class)); |
| FragmentRegistry registry2 = |
| FragmentRegistry.create( |
| /*allFragments=*/ ImmutableList.of(FragmentB.class, FragmentA.class), |
| /*universalFragments=*/ ImmutableList.of(FragmentB.class, FragmentA.class), |
| /*additionalOptions=*/ ImmutableList.of(EvenMoreOptions.class, MoreOptions.class)); |
| |
| assertThat(registry1.getAllFragments()) |
| .containsAtLeastElementsIn(registry2.getAllFragments()) |
| .inOrder(); |
| assertThat(registry1.getUniversalFragments()) |
| .containsAtLeastElementsIn(registry2.getUniversalFragments()) |
| .inOrder(); |
| assertThat(registry1.getOptionsClasses()) |
| .containsAtLeastElementsIn(registry2.getOptionsClasses()) |
| .inOrder(); |
| } |
| |
| @Test |
| public void allFragmentsMustContainUniversalFragments() { |
| Exception e = |
| assertThrows( |
| IllegalArgumentException.class, |
| () -> |
| FragmentRegistry.create( |
| /*allFragments=*/ ImmutableList.of(FragmentA.class), |
| /*universalFragments=*/ ImmutableList.of(FragmentB.class), |
| /*additionalOptions=*/ ImmutableList.of())); |
| |
| assertThat(e).hasMessageThat().contains("Missing universally required fragments"); |
| assertThat(e).hasMessageThat().contains("FragmentB"); |
| } |
| } |