[test] Add test for UdpCollectImpl

collector/src/test/java/org/apache/hertzbeat/collector/collect/udp/UdpCollectImplTest.java

@@ -0,0 +1,142 @@
+/*
+ * 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.hertzbeat.collector.collect.udp;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertNotNull;
+import java.net.DatagramPacket;
+import java.net.DatagramSocket;
+import java.net.PortUnreachableException;
+import java.net.SocketTimeoutException;
+import java.util.ArrayList;
+import java.util.List;
+import org.apache.hertzbeat.common.entity.job.Metrics;
+import org.apache.hertzbeat.common.entity.job.protocol.UdpProtocol;
+import org.apache.hertzbeat.common.entity.message.CollectRep;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.extension.ExtendWith;
+import org.mockito.InjectMocks;
+import org.mockito.MockedConstruction;
+import org.mockito.Mockito;
+import org.mockito.junit.jupiter.MockitoExtension;
+
+/**
+ * Test case for {@link UdpCollectImpl}
+ */
+@ExtendWith(MockitoExtension.class)
+class UdpCollectImplTest {
+
+    @InjectMocks
+    private UdpCollectImpl udpCollect;
+
+    @Test
+    void testPreCheck() {
+        CollectRep.MetricsData.Builder builder = CollectRep.MetricsData.newBuilder();
+        List<String> aliasField = new ArrayList<>();
+        aliasField.add("responseTime");
+        Metrics metrics = new Metrics();
+        metrics.setAliasFields(aliasField);
+        udpCollect.collect(builder, 1L, "test", metrics);
+        assertEquals(builder.getCode(), CollectRep.Code.FAIL);
+
+    }
+
+    @Test
+    void testCollect(){
+        CollectRep.MetricsData.Builder builder = CollectRep.MetricsData.newBuilder();
+        UdpProtocol ftpProtocol = UdpProtocol.builder()
+                .timeout("10")
+                .port("21")
+                .host("127.0.0.1")
+                .build();
+
+        MockedConstruction<DatagramSocket> socketMockedConstruction =
+                Mockito.mockConstruction(DatagramSocket.class, (socket, context) -> {
+                    Mockito.doNothing().when(socket).send(Mockito.any(DatagramPacket.class));
+                    Mockito.doNothing().when(socket).receive(Mockito.any(DatagramPacket.class));
+                });
+
+
+        List<String> aliasField = new ArrayList<>();
+        aliasField.add("responseTime");
+        Metrics metrics = new Metrics();
+        metrics.setUdp(ftpProtocol);
+        metrics.setAliasFields(aliasField);
+        udpCollect.collect(builder, 1L, "test", metrics);
+        assertEquals(builder.getValuesCount(), 1);
+        for (CollectRep.ValueRow valueRow : builder.getValuesList()) {
+            assertNotNull(valueRow.getColumns(0));
+        }
+
+        socketMockedConstruction.close();
+    }
+
+    @Test
+    void testCollectWithSocketException(){
+        CollectRep.MetricsData.Builder builder = CollectRep.MetricsData.newBuilder();
+        UdpProtocol ftpProtocol = UdpProtocol.builder()
+                .timeout("10")
+                .port("21")
+                .host("127.0.0.1")
+                .build();
+
+        MockedConstruction<DatagramSocket> socketMockedConstruction =
+                Mockito.mockConstruction(DatagramSocket.class, (socket, context) -> {
+                    Mockito.doThrow(new SocketTimeoutException("test exception"))
+                            .when(socket).send(Mockito.any(DatagramPacket.class));
+                });
+
+
+        List<String> aliasField = new ArrayList<>();
+        aliasField.add("responseTime");
+        Metrics metrics = new Metrics();
+        metrics.setUdp(ftpProtocol);
+        metrics.setAliasFields(aliasField);
+        udpCollect.collect(builder, 1L, "test", metrics);
+        assertEquals(builder.getCode(), CollectRep.Code.UN_CONNECTABLE);
+
+        socketMockedConstruction.close();
+    }
+
+    @Test
+    void testCollectWithPortUnreachableException(){
+        CollectRep.MetricsData.Builder builder = CollectRep.MetricsData.newBuilder();
+        UdpProtocol ftpProtocol = UdpProtocol.builder()
+                .timeout("10")
+                .port("21")
+                .host("127.0.0.1")
+                .build();
+
+        MockedConstruction<DatagramSocket> socketMockedConstruction =
+                Mockito.mockConstruction(DatagramSocket.class, (socket, context) -> {
+                    Mockito.doThrow(new PortUnreachableException("test exception"))
+                            .when(socket).send(Mockito.any(DatagramPacket.class));
+                });
+
+
+        List<String> aliasField = new ArrayList<>();
+        aliasField.add("responseTime");
+        Metrics metrics = new Metrics();
+        metrics.setUdp(ftpProtocol);
+        metrics.setAliasFields(aliasField);
+        udpCollect.collect(builder, 1L, "test", metrics);
+        assertEquals(builder.getCode(), CollectRep.Code.UN_REACHABLE);
+
+        socketMockedConstruction.close();
+    }
+}