1 files changed, 96 insertions, 0 deletions
diff --git a/dcae-analytics-common/src/test/java/org/onap/dcae/apod/analytics/common/service/processor/GenericMessageChainProcessorTest.java b/dcae-analytics-common/src/test/java/org/onap/dcae/apod/analytics/common/service/processor/GenericMessageChainProcessorTest.java
new file mode 100644
index 0000000..3a466c2
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+++ b/dcae-analytics-common/src/test/java/org/onap/dcae/apod/analytics/common/service/processor/GenericMessageChainProcessorTest.java
@@ -0,0 +1,96 @@
+/*
+ * ===============================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.onap.dcae.apod.analytics.common.service.processor;
+
+import com.google.common.collect.ImmutableList;
+import org.junit.Test;
+import org.onap.dcae.apod.analytics.common.BaseAnalyticsCommonUnitTest;
+import org.onap.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();
+    }
+
+}