| // Copyright 2023 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 com.google.devtools.build.lib.analysis.config.FeatureSet.merge; |
| |
| import java.util.Arrays; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.JUnit4; |
| |
| @RunWith(JUnit4.class) |
| public class FeatureSetTest { |
| private static FeatureSet parse(String... features) { |
| return FeatureSet.parse(Arrays.asList(features)); |
| } |
| |
| @Test |
| public void parse_basic() { |
| FeatureSet featureSet = parse("foo", "bar", "-baz"); |
| assertThat(featureSet.on()).containsExactly("foo", "bar"); |
| assertThat(featureSet.off()).containsExactly("baz"); |
| } |
| |
| @Test |
| public void parse_offTrumpsOn() { |
| FeatureSet featureSet = parse("foo", "bar", "-bar"); |
| assertThat(featureSet.on()).containsExactly("foo"); |
| assertThat(featureSet.off()).containsExactly("bar"); |
| } |
| |
| @Test |
| public void parse_noLayeringCheck() { |
| FeatureSet featureSet = parse("foo", "bar", "no_layering_check"); |
| assertThat(featureSet.on()).containsExactly("foo", "bar"); |
| assertThat(featureSet.off()).containsExactly("layering_check"); |
| } |
| |
| @Test |
| public void merge_basic() { |
| assertThat(merge(parse("foo", "-bar"), parse("kek", "-lol"))) |
| .isEqualTo(parse("foo", "kek", "-bar", "-lol")); |
| } |
| |
| @Test |
| public void merge_fineTrumpsCoarse() { |
| assertThat(merge(parse("foo", "-bar"), parse("bar", "-foo"))).isEqualTo(parse("-foo", "bar")); |
| } |
| |
| @Test |
| public void merge_associativity() { |
| FeatureSet a = parse("foo", "bar", "-baz"); |
| FeatureSet b = parse("-foo", "-bar"); |
| FeatureSet c = parse("foo", "baz"); |
| assertThat(merge(a, merge(b, c))).isEqualTo(merge(merge(a, b), c)); |
| assertThat(merge(b, merge(c, a))).isEqualTo(merge(merge(b, c), a)); |
| assertThat(merge(c, merge(b, a))).isEqualTo(merge(merge(c, b), a)); |
| } |
| |
| @Test |
| public void mergeWithGlobalFeatures_basic() { |
| assertThat(FeatureSet.mergeWithGlobalFeatures(parse("foo", "-bar"), parse("kek", "-lol"))) |
| .isEqualTo(parse("foo", "kek", "-bar", "-lol")); |
| } |
| |
| @Test |
| public void mergeWithGlobalFeatures_globalOffTrumpsEverything() { |
| assertThat(FeatureSet.mergeWithGlobalFeatures(parse("foo", "-bar"), parse("bar", "-foo"))) |
| .isEqualTo(parse("-bar", "-foo")); |
| } |
| } |