[improve] add TemplateConfigServiceImpl unit test (apache#2471)

Signed-off-by: yuluo-yx <yuluo08290126@gmail.com>
Co-authored-by: tomsun28 <tomsun28@outlook.com>

Author: yuluo-yx

manager/src/main/java/org/apache/hertzbeat/manager/service/impl/TemplateConfigServiceImpl.java

@@ -42,7 +42,7 @@ public class TemplateConfigServiceImpl extends AbstractGeneralConfigServiceImpl<
      * @param generalConfigDao configDao object
      * @param objectMapper     JSON tool object
      */
-    protected TemplateConfigServiceImpl(GeneralConfigDao generalConfigDao, ObjectMapper objectMapper) {
+    public TemplateConfigServiceImpl(GeneralConfigDao generalConfigDao, ObjectMapper objectMapper) {
         super(generalConfigDao, objectMapper);
     }
 

manager/src/test/java/org/apache/hertzbeat/manager/service/TemplateConfigServiceTest.java

@@ -0,0 +1,94 @@
+/*
+ * 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.manager.service;
+
+import com.fasterxml.jackson.databind.ObjectMapper;
+import org.apache.hertzbeat.manager.dao.GeneralConfigDao;
+import org.apache.hertzbeat.manager.pojo.dto.TemplateConfig;
+import org.apache.hertzbeat.manager.service.impl.TemplateConfigServiceImpl;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.extension.ExtendWith;
+import org.mockito.InjectMocks;
+import org.mockito.Mock;
+import org.mockito.junit.jupiter.MockitoExtension;
+import org.springframework.test.util.ReflectionTestUtils;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.times;
+import static org.mockito.Mockito.verify;
+
+/**
+ * test case for {@link TemplateConfigServiceImpl}
+ */
+
+@ExtendWith(MockitoExtension.class)
+class TemplateConfigServiceTest {
+
+	@Mock
+	private GeneralConfigDao generalConfigDao;
+
+	@Mock
+	private ObjectMapper objectMapper;
+
+	@Mock
+	private AppService appService;
+
+	@InjectMocks
+	private TemplateConfigServiceImpl templateConfigServiceImpl;
+
+	@BeforeEach
+	void setUp() {
+
+		templateConfigServiceImpl = new TemplateConfigServiceImpl(generalConfigDao, objectMapper);
+		ReflectionTestUtils.setField(templateConfigServiceImpl, "appService", appService);
+	}
+
+	@Test
+	void testHandlerValidTemplateConfig() {
+
+		TemplateConfig templateConfig = mock(TemplateConfig.class);
+		templateConfigServiceImpl.handler(templateConfig);
+
+		verify(
+				appService,
+				times(1)
+		).updateCustomTemplateConfig(templateConfig);
+	}
+
+	@Test
+	void testHandlerNullTemplateConfig() {
+
+		templateConfigServiceImpl.handler(null);
+
+		verify(
+				appService,
+				times(0)
+		).updateCustomTemplateConfig(any());
+	}
+
+	@Test
+	void testType() {
+
+		String type = templateConfigServiceImpl.type();
+		assertEquals("template", type);
+	}
+
+}