[manager] add app service impl unit test (#393)

manager/src/test/java/com/usthe/manager/service/AppServiceTest.java

@@ -1,37 +1,52 @@
 package com.usthe.manager.service;
 
 import com.usthe.manager.controller.NoticeConfigController;
+import com.usthe.manager.service.impl.AppServiceImpl;
 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.junit.jupiter.MockitoExtension;
 
 import static org.junit.jupiter.api.Assertions.*;
 
 /**
  * Test case for {@link AppService}
  */
+@ExtendWith(MockitoExtension.class)
 class AppServiceTest {
 
+    @InjectMocks
+    private AppServiceImpl appService;
+
     @BeforeEach
-    void setUp() {
+    void setUp() throws Exception {
+        appService.run();
     }
 
     @Test
     void getAppParamDefines() {
+        assertDoesNotThrow(() -> appService.getAppParamDefines("jvm"));
     }
 
     @Test
     void getAppDefine() {
+        assertDoesNotThrow(() -> appService.getAppDefine("jvm"));
+        assertThrows(IllegalArgumentException.class, () -> appService.getAppDefine("unknown"));
     }
 
     @Test
     void getAppDefineMetricNames() {
+        assertDoesNotThrow(() -> appService.getAppDefineMetricNames("jvm"));
     }
 
     @Test
     void getI18nResources() {
+        assertDoesNotThrow(() -> appService.getI18nResources("en-US"));
     }
 
     @Test
     void getAllAppHierarchy() {
+        assertDoesNotThrow(() -> appService.getAllAppHierarchy("en-US"));
     }
 }