Initial CategoryController test

src/test/java/com/project/ChatApp/controllers/CategoryControllerTest.java

@@ -0,0 +1,100 @@
+package com.project.ChatApp.controllers;
+
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.project.ChatApp.payloads.CategoryDto;
+import com.project.ChatApp.services.CategoryService;
+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.http.MediaType;
+import org.springframework.test.web.servlet.MockMvc;
+import org.springframework.test.web.servlet.setup.MockMvcBuilders;
+
+import java.util.Collections;
+
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.ArgumentMatchers.anyLong;
+import static org.mockito.Mockito.doNothing;
+import static org.mockito.Mockito.when;
+import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.*;
+import static org.springframework.test.web.servlet.result.MockMvcResultHandlers.print;
+import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.status;
+
+@ExtendWith(MockitoExtension.class)
+class CategoryControllerTest {
+
+    private MockMvc mockMvc;
+
+    @InjectMocks
+    private transient CategoryController categoryController;
+
+    @Mock
+    private transient CategoryService categoryService;
+
+    private static final String CATEGORY_ROOT = "/api/category";
+
+    private static CategoryDto categoryDto;
+
+
+    @BeforeEach
+    void setUp() {
+        mockMvc = MockMvcBuilders.standaloneSetup(categoryController).build();
+
+        categoryDto = new CategoryDto();
+        categoryDto.setDescription("more budget");
+        categoryDto.setId(1L);
+        categoryDto.setName("class a");
+    }
+
+    @Test
+    void testGetAllUsers() throws Exception {
+        when(categoryService.getAllCategories()).thenReturn(Collections.singletonList(new CategoryDto()));
+
+        mockMvc.perform(get(CATEGORY_ROOT + "/getAll"))
+                .andDo(print())
+                .andExpect(status().isOk());
+    }
+
+    @Test
+    void testCreate() throws Exception {
+        when(categoryService.createCategory(any(CategoryDto.class))).thenReturn(categoryDto);
+
+        mockMvc.perform(post(CATEGORY_ROOT + "/create")
+                        .content(new ObjectMapper().writeValueAsString(categoryDto))
+                        .contentType(MediaType.APPLICATION_JSON_VALUE))
+                .andDo(print())
+                .andExpect(status().isCreated());
+    }
+
+    @Test
+    void testGetUserById() throws Exception {
+        when(categoryService.getCategoryById(anyLong())).thenReturn(categoryDto);
+
+        mockMvc.perform(get(CATEGORY_ROOT + "/1"))
+                .andDo(print())
+                .andExpect(status().isOk());
+    }
+
+    @Test
+    void testUpdateUser() throws Exception {
+        when(categoryService.updateCategory(any(CategoryDto.class), anyLong())).thenReturn(categoryDto);
+
+        mockMvc.perform(put(CATEGORY_ROOT + "/update/1")
+                        .contentType(MediaType.APPLICATION_JSON_VALUE)
+                        .content(new ObjectMapper().writeValueAsString(categoryDto)))
+                .andDo(print())
+                .andExpect(status().isOk());
+    }
+
+    @Test
+    void testDeleteUser() throws Exception {
+        doNothing().when(categoryService).deleteCategory(anyLong());
+
+        mockMvc.perform(delete(CATEGORY_ROOT + "/delete/1"))
+                .andDo(print())
+                .andExpect(status().isOk());
+    }
+}