1 files changed, 75 insertions, 0 deletions
diff --git a/jimfs/src/test/java/com/google/common/jimfs/WatchServiceConfigurationTest.java b/jimfs/src/test/java/com/google/common/jimfs/WatchServiceConfigurationTest.java
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+++ b/jimfs/src/test/java/com/google/common/jimfs/WatchServiceConfigurationTest.java
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+/*
+ * 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);
+  }
+}