| // Copyright 2010 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.testing.junit.runner.sharding; |
| |
| import static com.google.common.truth.Truth.assertThat; |
| |
| import com.google.testing.junit.runner.sharding.api.ShardingFilterFactory; |
| import com.google.testing.junit.runner.sharding.testing.RoundRobinShardingFilterFactory; |
| import com.google.testing.junit.runner.sharding.testing.ShardingFilterTestCase; |
| import java.util.List; |
| import java.util.Map; |
| import org.junit.runner.Description; |
| import org.junit.runner.manipulation.Filter; |
| |
| /** Tests for the {@link RoundRobinShardingFilter}. */ |
| public class RoundRobinShardingFilterTest extends ShardingFilterTestCase { |
| |
| private static final List<Description> GENERIC_TEST_DESCRIPTIONS = |
| ShardingFilterTestCase.createGenericTestCaseDescriptions(6); |
| |
| private static final List<Filter> FILTERS_1 = |
| createFilters(GENERIC_TEST_DESCRIPTIONS, 3, new RoundRobinShardingFilterFactory()); |
| private static final List<Filter> FILTERS_2 = |
| createFilters(GENERIC_TEST_DESCRIPTIONS, 4, new RoundRobinShardingFilterFactory()); |
| |
| public void testShardingIsBalanced() { |
| Map<Filter, List<Description>> run1 = simulateTestRun(FILTERS_1, GENERIC_TEST_DESCRIPTIONS); |
| assertThat(run1.get(FILTERS_1.get(0))).hasSize(2); |
| assertThat(run1.get(FILTERS_1.get(1))).hasSize(2); |
| assertThat(run1.get(FILTERS_1.get(2))).hasSize(2); |
| |
| Map<Filter, List<Description>> run2 = simulateTestRun(FILTERS_2, GENERIC_TEST_DESCRIPTIONS); |
| assertThat(run2.get(FILTERS_2.get(0))).hasSize(2); |
| assertThat(run2.get(FILTERS_2.get(1))).hasSize(2); |
| assertThat(run2.get(FILTERS_2.get(2))).hasSize(1); |
| assertThat(run2.get(FILTERS_2.get(3))).hasSize(1); |
| } |
| |
| public void testShouldRun_throwsExceptionForUnknownDescription() { |
| assertThrowsExceptionForUnknownDescription(FILTERS_1.get(0)); |
| } |
| |
| @Override |
| protected ShardingFilterFactory createShardingFilterFactory() { |
| return new RoundRobinShardingFilterFactory(); |
| } |
| } |