1 files changed, 87 insertions, 0 deletions
diff --git a/netconfsimulator/src/test/java/org/onap/netconfsimulator/kafka/listener/KafkaListenerHandlerTest.java b/netconfsimulator/src/test/java/org/onap/netconfsimulator/kafka/listener/KafkaListenerHandlerTest.java
new file mode 100644
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--- /dev/null
+++ b/netconfsimulator/src/test/java/org/onap/netconfsimulator/kafka/listener/KafkaListenerHandlerTest.java
@@ -0,0 +1,87 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * Simulator
+ * ================================================================================
+ * Copyright (C) 2019 Nokia. 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.netconfsimulator.kafka.listener;
+
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.ArgumentMatchers.eq;
+import static org.mockito.Mockito.doReturn;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.spy;
+import static org.mockito.MockitoAnnotations.initMocks;
+
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+import org.mockito.Mock;
+import org.springframework.kafka.core.ConsumerFactory;
+import org.springframework.kafka.listener.ContainerProperties;
+import org.springframework.kafka.listener.KafkaMessageListenerContainer;
+import org.springframework.kafka.listener.MessageListener;
+
+class KafkaListenerHandlerTest {
+
+    private static final String CLIENT_ID_REGEX = "[0-9]{10,}";
+    private static final String SAMPLE_TOPIC = "sampleTopic";
+
+    @Mock
+    private ConsumerFactory<String, String> consumerFactory;
+
+    @Mock
+    private KafkaMessageListenerContainer<String, String> kafkaMessageListenerContainer;
+
+    @Mock
+    private MessageListener messageListener;
+
+    @BeforeEach
+    void setUp() {
+        initMocks(this);
+    }
+
+
+    @Test
+    void shouldProperlyCreateKafkaListener() {
+        KafkaListenerHandler kafkaListenerHandler = spy(new KafkaListenerHandler(consumerFactory));
+        doReturn(kafkaMessageListenerContainer).when(kafkaListenerHandler)
+            .createListenerContainer(any(ContainerProperties.class), eq(SAMPLE_TOPIC));
+
+        KafkaListenerEntry kafkaListenerEntry = kafkaListenerHandler
+            .createKafkaListener(messageListener, SAMPLE_TOPIC);
+
+        assertThat(kafkaListenerEntry.getListenerContainer()).isEqualTo(kafkaMessageListenerContainer);
+        assertThat(kafkaListenerEntry.getClientId()).matches(CLIENT_ID_REGEX);
+    }
+
+    @Test
+    void shouldProperlyCreateContainer() {
+        KafkaListenerHandler kafkaListenerHandler = spy(new KafkaListenerHandler(consumerFactory));
+        ContainerProperties containerProperties = new ContainerProperties(SAMPLE_TOPIC);
+        containerProperties.setMessageListener(mock(MessageListener.class));
+
+        KafkaMessageListenerContainer<String, String> listenerContainer = kafkaListenerHandler
+            .createListenerContainer(containerProperties, SAMPLE_TOPIC);
+
+        ContainerProperties actualProperties = listenerContainer.getContainerProperties();
+        assertThat(actualProperties.getTopics()).isEqualTo(containerProperties.getTopics());
+        assertThat(actualProperties.getMessageListener()).isEqualTo(containerProperties.getMessageListener());
+    }
+
+
+}