3주차 테스트 작성하기

app/src/test/java/com/codesoom/assignment/application/TaskServiceTest.java

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+package com.codesoom.assignment.application;
+
+import com.codesoom.assignment.TaskNotFoundException;
+import com.codesoom.assignment.models.Task;
+import org.assertj.core.api.Assertions;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.DisplayName;
+import org.junit.jupiter.api.Test;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.boot.test.mock.mockito.MockBean;
+
+import static org.junit.jupiter.api.Assertions.*;
+import static org.mockito.BDDMockito.given;
+
+@SpringBootTest
+class TaskServiceTest {
+
+    TaskService taskService;
+
+    @BeforeEach
+    void setUp() {
+        taskService = new TaskService();
+    }
+    @Test
+    @DisplayName("최초 할일 리스트 요청시 빈 리스트 반환 테스트")
+    void getFirstTasksIsEmpty() {
+        Assertions.assertThat(taskService.getTasks()).hasSize(0);
+    }
+
+    @Test
+    @DisplayName("기존에 할일이 2개 있는 경우 2개 조회 테스트")
+    void getTasksSuccess() {
+        // given
+        Task task1 = new Task();
+        Task task2 = new Task();
+
+        taskService.createTask(task1);
+        taskService.createTask(task2);
+
+        // when & then
+        Assertions.assertThat(taskService.getTasks()).hasSize(2);
+    }
+
+    @Test
+    @DisplayName("할일이 존재하는 경우 상세 조회 테스트 ")
+    void getTaskSuccess() {
+        // given
+        Task task = new Task();
+        task.setTitle("task0");
+        taskService.createTask(task);
+
+        // when & then
+        Assertions.assertThat(taskService.getTask(1L).getTitle()).isEqualTo("task0");
+    }
+
+    @Test
+    @DisplayName("할일 상세 조회시 할일이 없는 경우 테스트")
+    void getTaskFail() {
+        // when & then
+        Assertions.assertThatThrownBy(() -> taskService.getTask(100L)).isInstanceOf(TaskNotFoundException.class);
+    }
+
+    @Test
+    @DisplayName("할일을 생성후 할일이 생성되었는지 확인하는 테스트")
+    void createTaskSuccess() {
+        // given
+        Task task = new Task();
+        task.setTitle("task0");
+
+        // when
+        Task createdTask = taskService.createTask(task);
+
+        // then
+        Assertions.assertThat(createdTask.getTitle()).isEqualTo("task0");
+    }
+
+    @Test
+    @DisplayName("할일을 수정후 수정된 할일이 반환되는지 확인하는 테스트")
+    void updateTaskSuccess() {
+        // given
+        Task task = new Task();
+        task.setTitle("task0");
+        taskService.createTask(task);
+
+        Task updateTask = new Task();
+        updateTask.setTitle("task1");
+
+        // when
+        Task updatedTask = taskService.updateTask(1L, updateTask);
+
+        // then
+        Assertions.assertThat(updatedTask.getTitle()).isEqualTo("task1");
+    }
+    @Test
+    @DisplayName("존재하지 않는 할일을 업데이트 할 경우 예외를 반환하는 테스트")
+    void notExistTaskUpdateFail() {
+        // given
+        Task task = new Task();
+        task.setTitle("task0");
+        taskService.createTask(task);
+
+        Task updateTask = new Task();
+        updateTask.setTitle("task1");
+
+        // when & then
+        Assertions.assertThatThrownBy(() -> taskService.updateTask(100L, updateTask)).isInstanceOf(TaskNotFoundException.class);
+    }
+
+    @Test
+    @DisplayName("할일을 삭제 후 삭제 되었는지 확인하는 테스트")
+    void deleteTaskSuccess() {
+        // given
+        Task task = new Task();
+        task.setTitle("task0");
+        taskService.createTask(task);
+
+        // when
+        taskService.deleteTask(1L);
+
+        // then
+        Assertions.assertThat(taskService.getTasks()).hasSize(0);
+    }
+
+    @Test
+    @DisplayName("존재하지 않는 할일을 삭제 할 경우 예외를 반환하는 테스트")
+    void isNotExistTaskDeleteFail() {
+        // given
+        Task task = new Task();
+        task.setTitle("task0");
+        taskService.createTask(task);
+
+        // when & then
+        Assertions.assertThatThrownBy(() -> taskService.deleteTask(100L)).isInstanceOf(TaskNotFoundException.class);
+    }
+
+}

app/src/test/java/com/codesoom/assignment/controllers/TaskControllerTest.java

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+package com.codesoom.assignment.controllers;
+
+import com.codesoom.assignment.TaskNotFoundException;
+import com.codesoom.assignment.application.TaskService;
+import com.codesoom.assignment.models.Task;
+import org.assertj.core.api.Assertions;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.DisplayName;
+import org.junit.jupiter.api.Test;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.autoconfigure.web.servlet.AutoConfigureMockMvc;
+
+
+class TaskControllerTest {
+    private TaskController taskController;
+
+    @BeforeEach
+    void setUp() {
+        taskController = new TaskController(new TaskService());
+    }
+
+    public Task createTask() {
+        Task task = new Task();
+        task.setTitle("task");
+        return task;
+    }
+
+    @Test
+    @DisplayName("최초 할일 생성 후 할일 리스트에 값이 늘어난지 테스트")
+    void createTaskSuccessTest() {
+        // given
+        Task task = createTask();
+        int beforeSize = taskController.list().size();
+        // when
+        Task insertTask = taskController.create(task);
+
+        // then
+        Assertions.assertThat(
+                beforeSize).isEqualTo(taskController.list().size() - 1);
+
+    }
+
+    @Test
+    @DisplayName("최초 호출시 할일 리스트가 비어있는지 테스트.")
+    void isFirstTasksIsEmpty() {
+        Assertions.assertThat(taskController.list()).isEmpty();
+    }
+
+    @Test
+    @DisplayName("할일 복수 있는 경우 해당 개수에 맞게 나오는지 테스트.")
+    void listSuccessTest() {
+        // given
+        Task task1 = createTask();
+        Task task2 = createTask();
+
+        // when
+        taskController.create(task1);
+        taskController.create(task2);
+
+        // then
+        Assertions.assertThat(taskController.list()).hasSize(2);
+    }
+
+
+    @Test
+    @DisplayName("할일을 1개를 등록 후 해당 할일 상세 조회 테스트")
+    void getTaskSuccess() {
+        // given
+        Task task1 = createTask();
+
+        // when
+        taskController.create(task1);
+
+        // then
+        Assertions.assertThat(taskController.detail(1L).getTitle()).isEqualTo("task1");
+
+    }
+
+    @Test
+    @DisplayName("존재하지 않지 않는 할일 조회시 TaskNotFound 예외 발생 테스트")
+    void getTaskFail() {
+        Assertions.assertThatThrownBy(() -> taskController.detail(100L))
+                .isInstanceOf(TaskNotFoundException.class);
+    }
+
+    @Test
+    @DisplayName("할일 수정 후 해당 할일 값이 수정되었는지 테스트")
+    void updateTaskTest() {
+        // given
+        Task task = taskController.create(createTask());
+        Task updateTask = new Task();
+        updateTask.setTitle("updated");
+
+        // when
+        taskController.update(task.getId(), updateTask);
+
+        // then
+        Assertions.assertThat(taskController.detail(task.getId()).getTitle()).isEqualTo("updated");
+    }
+
+    @Test
+    @DisplayName("존재하지 않는 할일을 수정할 경우 TaskNotFound 예외 발생 테스트")
+    void updatedFailTest() {
+        // given
+        Task task = taskController.create(createTask());
+        Task updateTask = new Task();
+        updateTask.setTitle("updated");
+        taskController.update(task.getId(), updateTask);
+        // when then
+        Assertions.assertThatThrownBy(() -> taskController.update(100L, updateTask))
+                .isInstanceOf(TaskNotFoundException.class);
+    }
+
+    @Test
+    @DisplayName("1개 할일을 삭제 후 해당 리스트의 삭제후 리스트가 비어있는지 테스트")
+    void deleteTaskSuccess() {
+        // given
+        Task task = taskController.create(createTask());
+        // when
+        taskController.delete(task.getId());
+        // then
+        Assertions.assertThat(taskController.list()).isEmpty();
+    }
+
+    @Test
+    @DisplayName("2개 할일을 삭제 후 해당 리스트의 삭제후 리스트크기가 감소했는 지 테스트")
+    void deleteTasksSuccess() {
+        // given
+        taskController.create(createTask());
+        Task task = taskController.create(createTask());
+        int beforeSize = taskController.list().size();
+        // when
+        taskController.delete(task.getId());
+        // then
+        Assertions.assertThat(taskController.list().size()).isEqualTo(beforeSize - 1);
+    }
+
+    @Test
+    @DisplayName("존재하지 않는 할일을 삭제할 경우 TaskNotFound 예외 발생 테스트")
+    void deleteTaskFail() {
+        Assertions.assertThatThrownBy(() -> taskController.delete(1L)).isInstanceOf(TaskNotFoundException.class);
+    }
+}

app/src/test/java/com/codesoom/assignment/controllers/TaskControllerWebTest.java

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+package com.codesoom.assignment.controllers;
+
+import com.codesoom.assignment.TaskNotFoundException;
+import com.codesoom.assignment.application.TaskService;
+import com.codesoom.assignment.models.Task;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+import org.mockito.BDDMockito;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.autoconfigure.web.servlet.AutoConfigureMockMvc;
+import org.springframework.boot.test.autoconfigure.web.servlet.WebMvcTest;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.boot.test.mock.mockito.MockBean;
+import org.springframework.http.HttpStatus;
+import org.springframework.test.web.client.match.MockRestRequestMatchers;
+import org.springframework.test.web.servlet.MockMvc;
+import org.springframework.test.web.servlet.ResultMatcher;
+import org.springframework.test.web.servlet.request.MockMvcRequestBuilders;
+import org.springframework.test.web.servlet.result.MockMvcResultHandlers;
+import static org.hamcrest.Matchers.containsString;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import static org.mockito.BDDMockito.*;
+import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.*;
+import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.content;
+import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.status;
+
+@SpringBootTest
+@AutoConfigureMockMvc
+class TaskControllerWebTest {
+    @Autowired
+    private MockMvc mockMvc;
+
+    @MockBean
+    private TaskService taskService;
+
+    @BeforeEach
+    void setUp() {
+        List<Task> tasks = new ArrayList<>();
+        Task task = new Task();
+        task.setTitle("test task");
+        tasks.add(task);
+
+        given(taskService.getTasks()).willReturn(tasks);
+
+        given(taskService.getTask(1L)).willReturn(task);
+
+        given(taskService.getTask(100L))
+                .willThrow(new TaskNotFoundException(100L));
+    }
+    @Test
+    void list() throws Exception {
+        mockMvc.perform(get("/tasks"))
+                .andExpect((status().isOk()))
+                .andExpect(content().string(containsString("test task")));
+    }
+
+    @Test
+    void detailWithValidId() throws Exception {
+        mockMvc.perform(get("/tasks/1"))
+                .andExpect(status().isOk());
+    }
+
+    @Test
+    void detailWithInvalidId() throws Exception {
+        mockMvc.perform(get("/tasks/100"))
+                .andExpect(status().isNotFound());
+    }
+}