| // Copyright 2014 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.vfs; |
| |
| import static com.google.common.truth.Truth.assertThat; |
| |
| import com.google.common.collect.ImmutableList; |
| import com.google.common.testing.EqualsTester; |
| import com.google.testing.junit.testparameterinjector.TestParameterInjector; |
| import com.google.testing.junit.testparameterinjector.TestParameters; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| |
| /** Tests for {@link ModifiedFileSet}. */ |
| @RunWith(TestParameterInjector.class) |
| public class ModifiedFileSetTest { |
| |
| @Test |
| public void testHashCodeAndEqualsContract() throws Exception { |
| PathFragment fragA = PathFragment.create("a"); |
| PathFragment fragB = PathFragment.create("b"); |
| |
| ModifiedFileSet empty1 = ModifiedFileSet.NOTHING_MODIFIED; |
| ModifiedFileSet empty2 = ModifiedFileSet.builder().build(); |
| ModifiedFileSet empty3 = ModifiedFileSet.builder().modifyAll( |
| ImmutableList.<PathFragment>of()).build(); |
| |
| ModifiedFileSet nonEmpty1 = ModifiedFileSet.builder().modifyAll( |
| ImmutableList.of(fragA, fragB)).build(); |
| ModifiedFileSet nonEmpty2 = ModifiedFileSet.builder().modifyAll( |
| ImmutableList.of(fragB, fragA)).build(); |
| ModifiedFileSet nonEmpty3 = ModifiedFileSet.builder().modify(fragA).modify(fragB).build(); |
| ModifiedFileSet nonEmpty4 = ModifiedFileSet.builder().modify(fragB).modify(fragA).build(); |
| |
| ModifiedFileSet everythingModified = ModifiedFileSet.EVERYTHING_MODIFIED; |
| |
| new EqualsTester() |
| .addEqualityGroup(empty1, empty2, empty3) |
| .addEqualityGroup(nonEmpty1, nonEmpty2, nonEmpty3, nonEmpty4) |
| .addEqualityGroup(everythingModified) |
| .testEquals(); |
| } |
| |
| @TestParameters({ |
| "{set1: false, set2: false, union: false}", |
| "{set1: true, set2: false, union: false}", |
| "{set1: false, set2: true, union: false}", |
| "{set1: true, set2: true, union: true}" |
| }) |
| @Test |
| public void union_returnsConjunctionOfIncludesAncestorDirectories( |
| boolean set1, boolean set2, boolean union) { |
| ModifiedFileSet fileSet1 = |
| ModifiedFileSet.builder() |
| .modify(PathFragment.create("a")) |
| .setIncludesAncestorDirectories(set1) |
| .build(); |
| ModifiedFileSet fileSet2 = |
| ModifiedFileSet.builder() |
| .modify(PathFragment.create("b")) |
| .setIncludesAncestorDirectories(set2) |
| .build(); |
| |
| ModifiedFileSet unionSet = ModifiedFileSet.union(fileSet1, fileSet2); |
| |
| assertThat(unionSet.modifiedSourceFiles()) |
| .containsExactly(PathFragment.create("a"), PathFragment.create("b")); |
| assertThat(unionSet.includesAncestorDirectories()).isEqualTo(union); |
| } |
| } |