Implement DELETE /task/{taskId} (#51)

Close #47

Reviewed-on: #51

backend/api_test.go

@@ -268,6 +268,36 @@ func TestCreateTask(t *testing.T) {
 	responseWithUser.Value("id").Number().NotEqual(taskId) // Ensure different ID
 }
 
+func TestDeleteTask(t *testing.T) {
+	e := startServer(t)
+
+	// Create a new task without assigned user
+	requestBody := map[string]interface{}{
+		"name":   "Test Task",
+		"reward": 100,
+	}
+
+	response := e.POST("/tasks").
+		WithJSON(requestBody).
+		Expect().
+		Status(201). // Expect Created status
+		JSON().Object()
+
+	// Verify the response has an ID
+	response.ContainsKey("id")
+	taskId := response.Value("id").Number().Raw()
+
+	// Delete the task
+	e.DELETE("/task/" + strconv.Itoa(int(taskId))).Expect().Status(200)
+	// Verify the task no longer exists
+	e.GET("/task/" + strconv.Itoa(int(taskId))).Expect().Status(404)
+}
+
+func TestDeleteTaskNotFound(t *testing.T) {
+	e := startServer(t)
+	e.DELETE("/task/1").Expect().Status(404)
+}
+
 func TestCreateTaskNoName(t *testing.T) {
 	e := startServer(t)