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/*
* ===============================LICENSE_START======================================
* dcae-analytics
* ================================================================================
* Copyright © 2017 AT&T Intellectual Property. 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.
* ============================LICENSE_END===========================================
*/
package org.openecomp.dcae.apod.analytics.common.service.processor;
import com.google.common.collect.ImmutableList;
import org.junit.Test;
import org.openecomp.dcae.apod.analytics.common.BaseAnalyticsCommonUnitTest;
import org.openecomp.dcae.apod.analytics.common.exception.MessageProcessingException;
import static org.hamcrest.CoreMatchers.is;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertThat;
/**
*
* @author Rajiv Singla . Creation Date: 11/8/2016.
*/
public class GenericMessageChainProcessorTest extends BaseAnalyticsCommonUnitTest {
@Test
public void testProcessChainWhenProcessChainHasNoEarlyTermination() throws Exception {
final TestMessageProcessor1 testMessageProcessor1 = getTestMessageProcessor1();
final TestMessageProcessor2 testMessageProcessor2 = getTestMessageProcessor2();
final ImmutableList<? extends MessageProcessor<TestProcessorContext>> testMessageChain =
ImmutableList.of(testMessageProcessor1, testMessageProcessor2);
final TestProcessorContext testProcessorContext = new TestProcessorContext("Hello", true);
final GenericMessageChainProcessor<TestProcessorContext> genericMessageChainProcessor =
new GenericMessageChainProcessor<>(testMessageChain, testProcessorContext);
final TestProcessorContext finalProcessorContext = genericMessageChainProcessor.processChain();
final String result = finalProcessorContext.getResult();
assertThat("Final Result must be Hello World! Again", result, is("Hello World! Again"));
assertThat("TestProcessor1 state is correct", testMessageProcessor1.getProcessingState(),
is(ProcessingState.PROCESSING_FINISHED_SUCCESSFULLY));
assertThat("TestProcessor2 state is correct", testMessageProcessor2.getProcessingState(),
is(ProcessingState.PROCESSING_FINISHED_SUCCESSFULLY));
}
@Test
public void testProcessChainWhenProcessChainEarlyTermination() throws Exception {
final TestEarlyTerminatingProcessor testEarlyTerminatingProcessor = getTestEarlyTerminationProcessor();
final ImmutableList<? extends MessageProcessor<TestProcessorContext>> testMessageChain =
ImmutableList.of(testEarlyTerminatingProcessor, getTestMessageProcessor2());
final TestProcessorContext testProcessorContext = new TestProcessorContext("Hello", true);
final GenericMessageChainProcessor<TestProcessorContext> genericMessageChainProcessor =
new GenericMessageChainProcessor<>(testMessageChain, testProcessorContext);
final TestProcessorContext finalProcessorContext = genericMessageChainProcessor.processChain();
final String result = finalProcessorContext.getResult();
assertNull("Final Result must be null", result);
assertThat("TestEarlyTerminatingProcessor state is correct",
testEarlyTerminatingProcessor.getProcessingState(), is(ProcessingState.PROCESSING_TERMINATED_EARLY));
}
@Test(expected = MessageProcessingException.class)
public void testProcessChainWhenIncomingMessageContextIsNull() throws Exception {
final TestEarlyTerminatingProcessor testEarlyTerminatingProcessor = getTestEarlyTerminationProcessor();
final ImmutableList<? extends MessageProcessor<TestProcessorContext>> testMessageChain =
ImmutableList.of(testEarlyTerminatingProcessor, getTestMessageProcessor2());
final TestProcessorContext testProcessorContext = null;
final GenericMessageChainProcessor<TestProcessorContext> genericMessageChainProcessor =
new GenericMessageChainProcessor<>(testMessageChain, testProcessorContext);
genericMessageChainProcessor.processChain();
}
}
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