/* * Copyright 2016 Google Inc. * * 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.common.jimfs; import static com.google.common.truth.Truth.assertThat; import static java.util.concurrent.TimeUnit.MILLISECONDS; import static java.util.concurrent.TimeUnit.SECONDS; import java.io.IOException; import java.nio.file.WatchService; import org.junit.After; import org.junit.Before; import org.junit.Test; import org.junit.runner.RunWith; import org.junit.runners.JUnit4; /** * Tests for {@link WatchServiceConfiguration}. * * @author Colin Decker */ @RunWith(JUnit4.class) public class WatchServiceConfigurationTest { private JimfsFileSystem fs; @Before public void setUp() { // kind of putting the cart before the horse maybe, but it's the easiest way to get valid // instances of both a FileSystemView and a PathService fs = (JimfsFileSystem) Jimfs.newFileSystem(); } @After public void tearDown() throws IOException { fs.close(); fs = null; } @Test public void testPollingConfig() { WatchServiceConfiguration polling = WatchServiceConfiguration.polling(50, MILLISECONDS); WatchService watchService = polling.newWatchService(fs.getDefaultView(), fs.getPathService()); assertThat(watchService).isInstanceOf(PollingWatchService.class); PollingWatchService pollingWatchService = (PollingWatchService) watchService; assertThat(pollingWatchService.interval).isEqualTo(50); assertThat(pollingWatchService.timeUnit).isEqualTo(MILLISECONDS); } @Test public void testDefaultConfig() { WatchService watchService = WatchServiceConfiguration.DEFAULT.newWatchService(fs.getDefaultView(), fs.getPathService()); assertThat(watchService).isInstanceOf(PollingWatchService.class); PollingWatchService pollingWatchService = (PollingWatchService) watchService; assertThat(pollingWatchService.interval).isEqualTo(5); assertThat(pollingWatchService.timeUnit).isEqualTo(SECONDS); } }