Initial commit - Task Manager REST API

src/test/java/dev/deklab/taskmanager/service/TaskServiceTest.java

@@ -0,0 +1,78 @@
+package dev.deklab.taskmanager.service;
+
+import dev.deklab.taskmanager.model.Task;
+import dev.deklab.taskmanager.repository.TaskRepository;
+
+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 java.util.List;
+import java.util.Optional;
+
+import static org.junit.jupiter.api.Assertions.*;
+import static org.mockito.Mockito.*;
+
+@ExtendWith(MockitoExtension.class)
+public class TaskServiceTest {
+
+    @Mock
+    private TaskRepository taskRepository;
+
+    @InjectMocks
+    private TaskService taskService;
+
+    private Task task;
+
+    @BeforeEach
+    void setUp() {
+        task = new Task("Finir le CV", "Envoyer à des employeurs");
+        task.setCompleted(false);
+    }
+
+    @Test
+    void getAllTasks_shouldReturnList() {
+        when(taskRepository.findAll()).thenReturn(List.of(task));
+
+        List<Task> result = taskService.getAlltask();
+
+        assertEquals(1, result.size());
+        assertEquals("Finir le CV", result.get(0).getTitle());
+    }
+
+    @Test
+    void createTask_shouldSaveAndReturn() {
+        when(taskRepository.save(task)).thenReturn(task);
+
+        Task result = taskService.createTask(task);
+
+        assertEquals("Finir le CV", result.getTitle());
+        verify(taskRepository, times(1)).save(task);
+    }
+
+    @Test
+    void getTaskById_shouldReturnTask() {
+        when(taskRepository.findById(1L)).thenReturn(Optional.of(task));
+
+        Task result = taskService.getTaskById(1L);
+
+        assertEquals("Finir le CV", result.getTitle());
+    }
+
+    @Test
+    void getTaskById_shouldThrowWhenNotFound() {
+        when(taskRepository.findById(99L)).thenReturn(Optional.empty());
+
+        assertThrows(RuntimeException.class, () -> taskService.getTaskById(99L));
+    }
+
+    @Test
+    void deleteTask_shouldCallRepository() {
+        taskService.deleteTask(1L);
+
+        verify(taskRepository, times(1)).deleteById(1L);
+    }
+}