Add unit test for RocketMQSourceConnector.

eventmesh-connectors/eventmesh-connector-rocketmq/src/test/java/org/apache/eventmesh/connector/rocketmq/source/connector/RocketMQSourceConnectorTest.java

@@ -0,0 +1,92 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF 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 under the License.
+ */
+
+package org.apache.eventmesh.connector.rocketmq.source.connector;
+
+import org.apache.eventmesh.connector.rocketmq.source.config.RocketMQSourceConfig;
+import org.apache.eventmesh.openconnect.offsetmgmt.api.data.ConnectRecord;
+import org.apache.eventmesh.openconnect.util.ConfigUtil;
+
+import org.apache.rocketmq.client.consumer.DefaultLitePullConsumer;
+import org.apache.rocketmq.common.message.MessageExt;
+
+import java.lang.reflect.Field;
+import java.nio.charset.StandardCharsets;
+import java.util.ArrayList;
+import java.util.List;
+
+import org.junit.jupiter.api.Assertions;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.extension.ExtendWith;
+import org.junit.platform.commons.support.HierarchyTraversalMode;
+import org.junit.platform.commons.support.ReflectionSupport;
+import org.mockito.InjectMocks;
+import org.mockito.Mock;
+import org.mockito.Mockito;
+import org.mockito.junit.jupiter.MockitoExtension;
+
+@ExtendWith(MockitoExtension.class)
+public class RocketMQSourceConnectorTest {
+
+    @InjectMocks
+    private RocketMQSourceConnector sourceConnector;
+
+    @Mock
+    private DefaultLitePullConsumer consumer;
+
+    private RocketMQSourceConfig sourceConfig;
+
+    private static final String EXPECTED_MESSAGE = "testMessage";
+
+    @BeforeEach
+    public void setUp() throws Exception {
+        sourceConfig = (RocketMQSourceConfig) ConfigUtil.parse(sourceConnector.configClass());
+        Mockito.doReturn(generateMockedMessages()).when(consumer).poll();
+        Field field = ReflectionSupport.findFields(sourceConnector.getClass(),
+            (f) -> f.getName().equals("consumer"), HierarchyTraversalMode.BOTTOM_UP).get(0);
+        field.setAccessible(true);
+        field.set(sourceConnector, consumer);
+    }
+
+    @Test
+    public void testRocketMQSourceConnectorPoll() {
+        List<ConnectRecord> poll = sourceConnector.poll();
+        poll.forEach(connectRecord -> {
+            Assertions.assertNotNull(connectRecord);
+            Assertions.assertEquals(EXPECTED_MESSAGE, connectRecord.getData());
+            Assertions.assertNotNull(connectRecord.getExtension("topic"));
+            Assertions.assertNotNull(connectRecord.getPosition());
+            Assertions.assertEquals(connectRecord.getExtension("topic"), sourceConfig.getConnectorConfig().getTopic());
+        });
+    }
+
+    private List<MessageExt> generateMockedMessages() {
+        final int mockCount = 5;
+        List<MessageExt> messageExts = new ArrayList<>();
+        for (int i = 0; i < mockCount; i++) {
+            MessageExt messageExt = new MessageExt();
+            messageExt.setTopic(sourceConfig.getConnectorConfig().getTopic());
+            messageExt.setBody(EXPECTED_MESSAGE.getBytes(StandardCharsets.UTF_8));
+            messageExt.setQueueOffset(1L);
+            messageExt.setQueueId(2);
+            messageExt.setBrokerName("testBroker");
+            messageExts.add(messageExt);
+        }
+        return messageExts;
+    }
+}

eventmesh-connectors/eventmesh-connector-rocketmq/src/test/resources/source-config.yml

@@ -0,0 +1,40 @@
+#
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF 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 under the License.
+#
+
+pubSubConfig:
+    meshAddress: 127.0.0.1:10000
+    subject: TopicTest
+    idc: FT
+    env: PRD
+    group: rocketmqSource
+    appId: 5032
+    userName: rocketmqSourceUser
+    passWord: rocketmqPassWord
+connectorConfig:
+    connectorName: rocketmqSource
+    nameserver: 127.0.0.1:9876
+    topic: TopicTest
+    commitOffsetIntervalMs: 5000
+offsetStorageConfig:
+    offsetStorageType: nacos
+    offsetStorageAddr: 127.0.0.1:8848
+    extensions: {
+                    #same with topic
+                    dataId: TopicTest,
+                    #same with group
+                    group: rocketmqSource
+    }