/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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 org.apache.flink.streaming.runtime.streamstatus;
import org.junit.Test;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.fail;
public class StreamStatusTest {
@Test (expected = IllegalArgumentException.class)
public void testIllegalCreationThrowsException() {
new StreamStatus(32);
}
@Test
public void testEquals() {
StreamStatus idleStatus = new StreamStatus(StreamStatus.IDLE_STATUS);
StreamStatus activeStatus = new StreamStatus(StreamStatus.ACTIVE_STATUS);
assertEquals(StreamStatus.IDLE, idleStatus);
assertTrue(idleStatus.isIdle());
assertFalse(idleStatus.isActive());
assertEquals(StreamStatus.ACTIVE, activeStatus);
assertTrue(activeStatus.isActive());
assertFalse(activeStatus.isIdle());
}
@Test
public void testTypeCasting() {
StreamStatus status = StreamStatus.ACTIVE;
assertTrue(status.isStreamStatus());
assertFalse(status.isRecord());
assertFalse(status.isWatermark());
assertFalse(status.isLatencyMarker());
try {
status.asWatermark();
fail("should throw an exception");
} catch (Exception e) {
// expected
}
try {
status.asRecord();
fail("should throw an exception");
} catch (Exception e) {
// expected
}
try {
status.asLatencyMarker();
fail("should throw an exception");
} catch (Exception e) {
// expected
}
}
}