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* this work for additional information regarding copyright
* ownership. Elasticsearch 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
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*/
package org.elasticsearch.action;
import org.elasticsearch.test.ESTestCase;
import java.util.concurrent.atomic.AtomicReference;
public class NotifyOnceListenerTests extends ESTestCase {
public void testWhenSuccessCannotNotifyMultipleTimes() {
AtomicReference<String> response = new AtomicReference<>();
AtomicReference<Exception> exception = new AtomicReference<>();
NotifyOnceListener<String> listener = new NotifyOnceListener<String>() {
@Override
public void innerOnResponse(String s) {
response.set(s);
}
@Override
public void innerOnFailure(Exception e) {
exception.set(e);
}
};
listener.onResponse("response");
listener.onResponse("wrong-response");
listener.onFailure(new RuntimeException());
assertNull(exception.get());
assertEquals("response", response.get());
}
public void testWhenErrorCannotNotifyMultipleTimes() {
AtomicReference<String> response = new AtomicReference<>();
AtomicReference<Exception> exception = new AtomicReference<>();
NotifyOnceListener<String> listener = new NotifyOnceListener<String>() {
@Override
public void innerOnResponse(String s) {
response.set(s);
}
@Override
public void innerOnFailure(Exception e) {
exception.set(e);
}
};
RuntimeException expected = new RuntimeException();
listener.onFailure(expected);
listener.onFailure(new IllegalArgumentException());
listener.onResponse("response");
assertNull(response.get());
assertSame(expected, exception.get());
}
}