dcae-analytics-common/src/test/java/org/openecomp/dcae/apod/analytics/common/service/processor/GenericMessageChainProcessorTest.java

   1 /*\r
   2  * ===============================LICENSE_START======================================\r
   3  *  dcae-analytics\r
   4  * ================================================================================\r
   5  *    Copyright © 2017 AT&T Intellectual Property. All rights reserved.\r
   6  * ================================================================================\r
   7  *  Licensed under the Apache License, Version 2.0 (the "License");\r
   8  *  you may not use this file except in compliance with the License.\r
   9  *   You may obtain a copy of the License at\r
  10  *\r
  11  *          http://www.apache.org/licenses/LICENSE-2.0\r
  12  *\r
  13  *  Unless required by applicable law or agreed to in writing, software\r
  14  *  distributed under the License is distributed on an "AS IS" BASIS,\r
  15  *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r
  16  *  See the License for the specific language governing permissions and\r
  17  *  limitations under the License.\r
  18  *  ============================LICENSE_END===========================================\r
  19  */\r
  20 \r
  21 package org.openecomp.dcae.apod.analytics.common.service.processor;\r
  22 \r
  23 import com.google.common.collect.ImmutableList;\r
  24 import org.junit.Test;\r
  25 import org.openecomp.dcae.apod.analytics.common.BaseAnalyticsCommonUnitTest;\r
  26 import org.openecomp.dcae.apod.analytics.common.exception.MessageProcessingException;\r
  27 \r
  28 import static org.hamcrest.CoreMatchers.is;\r
  29 import static org.junit.Assert.assertNull;\r
  30 import static org.junit.Assert.assertThat;\r
  31 \r
  32 \r
  33 /**\r
  34  *\r
  35  * @author Rajiv Singla . Creation Date: 11/8/2016.\r
  36  */\r
  37 public class GenericMessageChainProcessorTest extends BaseAnalyticsCommonUnitTest {\r
  38 \r
  39 \r
  40     @Test\r
  41     public void testProcessChainWhenProcessChainHasNoEarlyTermination() throws Exception {\r
  42 \r
  43         final TestMessageProcessor1 testMessageProcessor1 = getTestMessageProcessor1();\r
  44         final TestMessageProcessor2 testMessageProcessor2 = getTestMessageProcessor2();\r
  45         final ImmutableList<? extends MessageProcessor<TestProcessorContext>> testMessageChain =\r
  46                 ImmutableList.of(testMessageProcessor1, testMessageProcessor2);\r
  47 \r
  48         final TestProcessorContext testProcessorContext = new TestProcessorContext("Hello", true);\r
  49 \r
  50         final GenericMessageChainProcessor<TestProcessorContext> genericMessageChainProcessor =\r
  51                 new GenericMessageChainProcessor<>(testMessageChain, testProcessorContext);\r
  52 \r
  53         final TestProcessorContext finalProcessorContext = genericMessageChainProcessor.processChain();\r
  54 \r
  55         final String result = finalProcessorContext.getResult();\r
  56         assertThat("Final Result must be Hello World! Again", result, is("Hello World! Again"));\r
  57         assertThat("TestProcessor1 state is correct", testMessageProcessor1.getProcessingState(),\r
  58                 is(ProcessingState.PROCESSING_FINISHED_SUCCESSFULLY));\r
  59         assertThat("TestProcessor2 state is correct", testMessageProcessor2.getProcessingState(),\r
  60                 is(ProcessingState.PROCESSING_FINISHED_SUCCESSFULLY));\r
  61     }\r
  62 \r
  63 \r
  64     @Test\r
  65     public void testProcessChainWhenProcessChainEarlyTermination() throws Exception {\r
  66 \r
  67         final TestEarlyTerminatingProcessor testEarlyTerminatingProcessor = getTestEarlyTerminationProcessor();\r
  68         final ImmutableList<? extends MessageProcessor<TestProcessorContext>> testMessageChain =\r
  69                 ImmutableList.of(testEarlyTerminatingProcessor, getTestMessageProcessor2());\r
  70         final TestProcessorContext testProcessorContext = new TestProcessorContext("Hello", true);\r
  71 \r
  72         final GenericMessageChainProcessor<TestProcessorContext> genericMessageChainProcessor =\r
  73                 new GenericMessageChainProcessor<>(testMessageChain, testProcessorContext);\r
  74 \r
  75         final TestProcessorContext finalProcessorContext = genericMessageChainProcessor.processChain();\r
  76         final String result = finalProcessorContext.getResult();\r
  77         assertNull("Final Result must be null", result);\r
  78         assertThat("TestEarlyTerminatingProcessor state is correct",\r
  79                 testEarlyTerminatingProcessor.getProcessingState(), is(ProcessingState.PROCESSING_TERMINATED_EARLY));\r
  80     }\r
  81 \r
  82     @Test(expected = MessageProcessingException.class)\r
  83     public void testProcessChainWhenIncomingMessageContextIsNull() throws Exception {\r
  84 \r
  85         final TestEarlyTerminatingProcessor testEarlyTerminatingProcessor = getTestEarlyTerminationProcessor();\r
  86         final ImmutableList<? extends MessageProcessor<TestProcessorContext>> testMessageChain =\r
  87                 ImmutableList.of(testEarlyTerminatingProcessor, getTestMessageProcessor2());\r
  88         final TestProcessorContext testProcessorContext = null;\r
  89 \r
  90         final GenericMessageChainProcessor<TestProcessorContext> genericMessageChainProcessor =\r
  91                 new GenericMessageChainProcessor<>(testMessageChain, testProcessorContext);\r
  92 \r
  93        genericMessageChainProcessor.processChain();\r
  94     }\r
  95 \r
  96 }\r