1 files changed, 74 insertions, 0 deletions
diff --git a/src/test/java/com/google/devtools/build/lib/events/EventSensorTest.java b/src/test/java/com/google/devtools/build/lib/events/EventSensorTest.java
new file mode 100644
index 0000000000..3c97b37263
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+++ b/src/test/java/com/google/devtools/build/lib/events/EventSensorTest.java
@@ -0,0 +1,74 @@
+// Copyright 2014 Google Inc. 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.events;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertTrue;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.junit.runners.JUnit4;
+
+/**
+ * A test for {@link EventSensor}.
+ */
+@RunWith(JUnit4.class)
+public class EventSensorTest extends EventTestTemplate {
+
+  @Test
+  public void sensorStartsOutWithFalse() {
+    assertFalse(new EventSensor(EventKind.ALL_EVENTS).wasTriggered());
+    assertFalse(new EventSensor(EventKind.ERRORS).wasTriggered());
+    assertFalse(new EventSensor(EventKind.ERRORS_AND_WARNINGS).wasTriggered());
+  }
+
+  @Test
+  public void sensorNoticesEventsInItsMask() {
+    EventSensor sensor = new EventSensor(EventKind.ERRORS);
+    Reporter reporter = new Reporter(sensor);
+    reporter.handle(Event.error(location, "An ERROR event."));
+    assertTrue(sensor.wasTriggered());
+  }
+
+  @Test
+  public void sensorNoticesEventsInItsMask2() {
+    EventSensor sensor = new EventSensor(EventKind.ALL_EVENTS);
+    Reporter reporter = new Reporter(sensor);
+    reporter.handle(Event.error(location, "An ERROR event."));
+    reporter.handle(Event.warn(location, "A warning event."));
+    assertTrue(sensor.wasTriggered());
+  }
+
+  @Test
+  public void sensorIgnoresEventsNotInItsMask() {
+    EventSensor sensor = new EventSensor(EventKind.ERRORS_AND_WARNINGS);
+    Reporter reporter = new Reporter(sensor);
+    reporter.handle(Event.info(location, "An INFO event."));
+    assertFalse(sensor.wasTriggered());
+  }
+
+  @Test
+  public void sensorCanCount() {
+    EventSensor sensor = new EventSensor(EventKind.ERRORS_AND_WARNINGS);
+    Reporter reporter = new Reporter(sensor);
+    reporter.handle(Event.error(location, "An ERROR event."));
+    reporter.handle(Event.error(location, "Another ERROR event."));
+    reporter.handle(Event.warn(location, "A warning event."));
+    reporter.handle(Event.info(location, "An info event.")); // not in mask
+    assertEquals(3, sensor.getTriggerCount());
+    assertTrue(sensor.wasTriggered());
+  }
+
+}