| // 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.actions; |
| |
| import static com.google.common.truth.Truth.assertThat; |
| import static com.google.devtools.build.lib.actions.ActionInput.EXEC_PATH_COMPARATOR; |
| import static java.util.Comparator.naturalOrder; |
| |
| import com.google.devtools.build.lib.vfs.PathFragment; |
| import com.google.testing.junit.testparameterinjector.TestParameter; |
| import com.google.testing.junit.testparameterinjector.TestParameterInjector; |
| import java.util.Comparator; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| |
| /** Tests for {@link ActionInput}. */ |
| @RunWith(TestParameterInjector.class) |
| public final class ActionInputTest { |
| |
| enum TestedComparator { |
| NATURAL_ORDER(naturalOrder()), |
| EXEC_PATH_COMPARATOR(ActionInput.EXEC_PATH_COMPARATOR); |
| |
| TestedComparator(Comparator<ActionInput> comparator) { |
| this.comparator = comparator; |
| } |
| |
| @SuppressWarnings("ImmutableEnumChecker") |
| final Comparator<ActionInput> comparator; |
| } |
| |
| @Test |
| public void compare_differentPaths_returnsCorrectValue( |
| @TestParameter TestedComparator testedComparator) { |
| ActionInput lower = ActionInputHelper.fromPath("a"); |
| ActionInput higher = ActionInputHelper.fromPath("b"); |
| |
| assertThat(testedComparator.comparator.compare(lower, higher)).isLessThan(0); |
| assertThat(testedComparator.comparator.compare(higher, lower)).isGreaterThan(0); |
| } |
| |
| @Test |
| public void compare_nestedPaths_returnsCorrectValue( |
| @TestParameter TestedComparator testedComparator) { |
| ActionInput lower = ActionInputHelper.fromPath("a/b/c"); |
| ActionInput higher = ActionInputHelper.fromPath("a/b/c/d"); |
| |
| assertThat(testedComparator.comparator.compare(lower, higher)).isLessThan(0); |
| assertThat(testedComparator.comparator.compare(higher, lower)).isGreaterThan(0); |
| } |
| |
| @Test |
| public void compare_sameExecPath_returnsZero(@TestParameter TestedComparator testedComparator) { |
| ActionInput input1 = ActionInputHelper.fromPath("a"); |
| ActionInput input2 = |
| new ActionInput() { |
| @Override |
| public String getExecPathString() { |
| return "a"; |
| } |
| |
| @Override |
| public PathFragment getExecPath() { |
| return PathFragment.create("a"); |
| } |
| |
| @Override |
| public boolean isSymlink() { |
| throw new UnsupportedOperationException(); |
| } |
| }; |
| |
| assertThat(testedComparator.comparator.compare(input1, input2)).isEqualTo(0); |
| assertThat(testedComparator.comparator.compare(input2, input1)).isEqualTo(0); |
| } |
| |
| @Test |
| public void compare_nullPathIsLowest(@TestParameter TestedComparator testedComparator) { |
| ActionInput input = ActionInputHelper.fromPath("a"); |
| |
| assertThat(testedComparator.comparator.compare(input, null)).isGreaterThan(0); |
| } |
| |
| @Test |
| public void execPathComparatorCompare_nullFirstParameter_returnsLowerThanZero() { |
| ActionInput input = ActionInputHelper.fromPath("a"); |
| |
| assertThat(EXEC_PATH_COMPARATOR.compare(null, input)).isLessThan(0); |
| } |
| |
| @SuppressWarnings("EqualsWithItself") |
| @Test |
| public void execPathComparatorCompare_nulls_returnsZero() { |
| assertThat(EXEC_PATH_COMPARATOR.compare(null, null)).isEqualTo(0); |
| } |
| } |