Added unit test utilities and some more unit tests.
diff --git a/core/api/src/test/java/org/onlab/onos/event/AbstractEventAccumulatorTest.java b/core/api/src/test/java/org/onlab/onos/event/AbstractEventAccumulatorTest.java
new file mode 100644
index 0000000..c0cce92
--- /dev/null
+++ b/core/api/src/test/java/org/onlab/onos/event/AbstractEventAccumulatorTest.java
@@ -0,0 +1,83 @@
+package org.onlab.onos.event;
+
+import org.junit.Test;
+
+import java.util.List;
+import java.util.Timer;
+
+import static org.junit.Assert.*;
+import static org.onlab.junit.TestTools.delay;
+import static org.onlab.onos.event.TestEvent.Type.FOO;
+
+/**
+ * Tests the operation of the accumulator.
+ */
+public class AbstractEventAccumulatorTest {
+
+ private final Timer timer = new Timer();
+
+ @Test
+ public void basics() throws Exception {
+ TestAccumulator accumulator = new TestAccumulator();
+ assertEquals("incorrect timer", timer, accumulator.timer());
+ assertEquals("incorrect max events", 5, accumulator.maxEvents());
+ assertEquals("incorrect max ms", 100, accumulator.maxBatchMillis());
+ assertEquals("incorrect idle ms", 50, accumulator.maxIdleMillis());
+ }
+
+ @Test
+ public void eventTrigger() {
+ TestAccumulator accumulator = new TestAccumulator();
+ accumulator.add(new TestEvent(FOO, "a"));
+ accumulator.add(new TestEvent(FOO, "b"));
+ accumulator.add(new TestEvent(FOO, "c"));
+ accumulator.add(new TestEvent(FOO, "d"));
+ assertTrue("should not have fired yet", accumulator.batch.isEmpty());
+ accumulator.add(new TestEvent(FOO, "e"));
+ delay(10);
+ assertFalse("should have fired", accumulator.batch.isEmpty());
+ assertEquals("incorrect batch", "abcde", accumulator.batch);
+ }
+
+ @Test
+ public void timeTrigger() {
+ TestAccumulator accumulator = new TestAccumulator();
+ accumulator.add(new TestEvent(FOO, "a"));
+ delay(40);
+ assertTrue("should not have fired yet", accumulator.batch.isEmpty());
+ accumulator.add(new TestEvent(FOO, "b"));
+ delay(40);
+ assertTrue("should not have fired yet", accumulator.batch.isEmpty());
+ accumulator.add(new TestEvent(FOO, "c"));
+ delay(40);
+ assertFalse("should have fired", accumulator.batch.isEmpty());
+ assertEquals("incorrect batch", "abc", accumulator.batch);
+ }
+
+ @Test
+ public void idleTrigger() {
+ TestAccumulator accumulator = new TestAccumulator();
+ accumulator.add(new TestEvent(FOO, "a"));
+ assertTrue("should not have fired yet", accumulator.batch.isEmpty());
+ accumulator.add(new TestEvent(FOO, "b"));
+ delay(80);
+ assertFalse("should have fired", accumulator.batch.isEmpty());
+ assertEquals("incorrect batch", "ab", accumulator.batch);
+ }
+
+ private class TestAccumulator extends AbstractEventAccumulator {
+
+ String batch = "";
+
+ protected TestAccumulator() {
+ super(timer, 5, 100, 50);
+ }
+
+ @Override
+ public void processEvents(List<Event> events) {
+ for (Event event : events) {
+ batch += event.subject();
+ }
+ }
+ }
+}