| // Copyright 2017 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.runtime.commands; |
| |
| import static com.google.common.truth.Truth.assertThat; |
| |
| import com.google.common.eventbus.EventBus; |
| import com.google.devtools.build.lib.events.Event; |
| import com.google.devtools.build.lib.events.Reporter; |
| import com.google.devtools.build.lib.events.StoredEventHandler; |
| import com.google.devtools.build.lib.util.OS; |
| import java.util.Arrays; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.Parameterized; |
| import org.junit.runners.Parameterized.Parameters; |
| |
| /** Tests {@link CleanCommand}'s recommendation of the --async flag. */ |
| @RunWith(Parameterized.class) |
| public class CleanCommandRecommendsAsyncTest { |
| |
| private final boolean asyncOnCommandLine; |
| private final OS os; |
| private final boolean expectSuggestion; |
| private static final String EXPECTED_SUGGESTION = "Consider using --async"; |
| |
| public CleanCommandRecommendsAsyncTest( |
| boolean asyncOnCommandLine, OS os, boolean expectSuggestion) throws Exception { |
| this.asyncOnCommandLine = asyncOnCommandLine; |
| this.os = os; |
| this.expectSuggestion = expectSuggestion; |
| } |
| |
| @Parameters(name = "async={0} on OS {1}") |
| public static Iterable<Object[]> data() { |
| return Arrays.asList( |
| new Object[][] { |
| // When --async is provided, don't expect --async to be suggested. |
| {/* asyncOnCommandLine= */ true, OS.LINUX, false}, |
| {/* asyncOnCommandLine= */ true, OS.WINDOWS, false}, |
| {/* asyncOnCommandLine= */ true, OS.DARWIN, false}, |
| {/* asyncOnCommandLine= */ true, OS.FREEBSD, false}, |
| {/* asyncOnCommandLine= */ true, OS.OPENBSD, false}, |
| {/* asyncOnCommandLine= */ true, OS.UNKNOWN, false}, |
| |
| // When --async is not provided, expect the suggestion on platforms that support it. |
| {/* asyncOnCommandLine= */ false, OS.LINUX, true}, |
| {/* asyncOnCommandLine= */ false, OS.WINDOWS, false}, |
| {/* asyncOnCommandLine= */ false, OS.DARWIN, true}, |
| {/* asyncOnCommandLine= */ false, OS.FREEBSD, true}, |
| {/* asyncOnCommandLine= */ false, OS.OPENBSD, true}, |
| {/* asyncOnCommandLine= */ false, OS.UNKNOWN, false}, |
| }); |
| } |
| |
| @Test |
| public void testCleanProvidesExpectedSuggestion() throws Exception { |
| Reporter reporter = new Reporter(new EventBus()); |
| StoredEventHandler storedEventHandler = new StoredEventHandler(); |
| reporter.addHandler(storedEventHandler); |
| |
| boolean async = |
| CleanCommand.canUseAsync(this.asyncOnCommandLine, /* expunge= */ false, os, reporter); |
| if (os == OS.WINDOWS || os == OS.UNKNOWN) { |
| assertThat(async).isFalse(); |
| } |
| |
| boolean matches = |
| storedEventHandler.getEvents().stream() |
| .map(Event::getMessage) |
| .anyMatch( |
| event -> { |
| return event.contains(EXPECTED_SUGGESTION); |
| }); |
| assertThat(matches).isEqualTo(expectSuggestion); |
| } |
| } |