tududi/backend/tests/unit/models/task.test.js

const { Task, User } = require('../../../models');

describe('Task Model', () => {
  let user;

  beforeEach(async () => {
    const bcrypt = require('bcrypt');
    user = await User.create({
      email: 'test@example.com',
      password_digest: await bcrypt.hash('password123', 10)
    });
  });

  describe('validation', () => {
    it('should create a task with valid data', async () => {
      const taskData = {
        name: 'Test Task',
        description: 'Test Description',
        user_id: user.id
      };

      const task = await Task.create(taskData);
      
      expect(task.name).toBe(taskData.name);
      expect(task.description).toBe(taskData.description);
      expect(task.user_id).toBe(user.id);
      expect(task.today).toBe(false);
      expect(task.priority).toBe(0);
      expect(task.status).toBe(0);
      expect(task.recurrence_type).toBe('none');
    });

    it('should require name', async () => {
      const taskData = {
        user_id: user.id
      };

      await expect(Task.create(taskData)).rejects.toThrow();
    });

    it('should require user_id', async () => {
      const taskData = {
        name: 'Test Task'
      };

      await expect(Task.create(taskData)).rejects.toThrow();
    });

    it('should validate priority range', async () => {
      const taskData = {
        name: 'Test Task',
        user_id: user.id,
        priority: 5
      };

      await expect(Task.create(taskData)).rejects.toThrow();
    });

    it('should validate status range', async () => {
      const taskData = {
        name: 'Test Task',
        user_id: user.id,
        status: 10
      };

      await expect(Task.create(taskData)).rejects.toThrow();
    });
  });

  describe('constants', () => {
    it('should have correct priority constants', () => {
      expect(Task.PRIORITY.LOW).toBe(0);
      expect(Task.PRIORITY.MEDIUM).toBe(1);
      expect(Task.PRIORITY.HIGH).toBe(2);
    });

    it('should have correct status constants', () => {
      expect(Task.STATUS.NOT_STARTED).toBe(0);
      expect(Task.STATUS.IN_PROGRESS).toBe(1);
      expect(Task.STATUS.DONE).toBe(2);
      expect(Task.STATUS.ARCHIVED).toBe(3);
      expect(Task.STATUS.WAITING).toBe(4);
    });
  });

  describe('instance methods', () => {
    let task;

    beforeEach(async () => {
      task = await Task.create({
        name: 'Test Task',
        user_id: user.id
      });
    });

    it('should return correct priority name', async () => {
      task.priority = Task.PRIORITY.LOW;
      expect(Task.getPriorityName(task.priority)).toBe('low');

      task.priority = Task.PRIORITY.MEDIUM;
      expect(Task.getPriorityName(task.priority)).toBe('medium');

      task.priority = Task.PRIORITY.HIGH;
      expect(Task.getPriorityName(task.priority)).toBe('high');
    });

    it('should return correct status name', async () => {
      task.status = Task.STATUS.NOT_STARTED;
      expect(Task.getStatusName(task.status)).toBe('not_started');

      task.status = Task.STATUS.IN_PROGRESS;
      expect(Task.getStatusName(task.status)).toBe('in_progress');

      task.status = Task.STATUS.DONE;
      expect(Task.getStatusName(task.status)).toBe('done');

      task.status = Task.STATUS.ARCHIVED;
      expect(Task.getStatusName(task.status)).toBe('archived');

      task.status = Task.STATUS.WAITING;
      expect(Task.getStatusName(task.status)).toBe('waiting');
    });
  });

  describe('default values', () => {
    it('should set correct default values', async () => {
      const task = await Task.create({
        name: 'Test Task',
        user_id: user.id
      });

      expect(task.today).toBe(false);
      expect(task.priority).toBe(0);
      expect(task.status).toBe(0);
      expect(task.recurrence_type).toBe('none');
    });
  });

  describe('optional fields', () => {
    it('should allow optional fields to be null', async () => {
      const task = await Task.create({
        name: 'Test Task',
        user_id: user.id,
        description: null,
        due_date: null,
        note: null,
        recurrence_interval: null,
        recurrence_end_date: null,
        last_generated_date: null,
        project_id: null
      });

      expect(task.description).toBeNull();
      expect(task.due_date).toBeNull();
      expect(task.note).toBeNull();
      expect(task.recurrence_interval).toBeNull();
      expect(task.recurrence_end_date).toBeNull();
      expect(task.last_generated_date).toBeNull();
      expect(task.project_id).toBeNull();
    });

    it('should accept optional field values', async () => {
      const dueDate = new Date();
      const task = await Task.create({
        name: 'Test Task',
        description: 'Test Description',
        due_date: dueDate,
        today: true,
        priority: Task.PRIORITY.HIGH,
        status: Task.STATUS.IN_PROGRESS,
        note: 'Test Note',
        user_id: user.id
      });

      expect(task.description).toBe('Test Description');
      expect(task.due_date).toEqual(dueDate);
      expect(task.today).toBe(true);
      expect(task.priority).toBe(Task.PRIORITY.HIGH);
      expect(task.status).toBe(Task.STATUS.IN_PROGRESS);
      expect(task.note).toBe('Test Note');
    });
  });
});