tests.py

# -*- coding: utf-8 -*-
from datetime import datetime, timedelta
import unittest
from app import creat_app , db
from app.models import User, Post, Role , Permission,AnonymousUser
from config import Config

class TestConfig(Config):
    TESTING = True
    SQLALCHEMY_DATABASE_URI = 'sqlite://'

class UserModelCase(unittest.TestCase):
    def setUp(self):
        self.app = creat_app(TestConfig)
        self.app_context = self.app.app_context()
        self.app_context.push()
        db.create_all()


    def tearDown(self):
        db.session.remove()
        db.drop_all()
        self.app_context.pop()

    def test_password_hashing(self):
        u = User(username='susan',password='cat')
        self.assertFalse(u.verify_password('dog'))
        self.assertTrue(u.verify_password('cat'))

    def test_avatar(self):
        u = User(username='kaori', email='424295833@qq.com')
        self.assertEqual(u.gravatar(size=128), ('https://www.gravatar.com/avatar/'
                                         '130ff5b0bd93c72d2fdab5b049a99666'
                                         '?s=128&d=identicon&r=g'))

    def test_follow(self):
        u1 = User(username='john', email='john@example.com')
        u2 = User(username='susan', email='susan@example.com')
        db.session.add(u1)
        db.session.add(u2)
        db.session.commit()
        self.assertEqual(u1.followed.all(), [])
        self.assertEqual(u1.followers.all(), [])

        u1.follow(u2)
        db.session.commit()
        self.assertTrue(u1.is_following(u2))
        self.assertEqual(u1.followed.count(), 1)
        self.assertEqual(u1.followed.first().username, 'susan')
        self.assertEqual(u2.followers.count(), 1)
        self.assertEqual(u2.followers.first().username, 'john')

        u1.unfollow(u2)
        db.session.commit()
        self.assertFalse(u1.is_following(u2))
        self.assertEqual(u1.followed.count(), 0)
        self.assertEqual(u2.followers.count(), 0)

    def test_follow_posts(self):
        # create four users
        u1 = User(username='john', email='john@example.com')
        u2 = User(username='susan', email='susan@example.com')
        u3 = User(username='mary', email='mary@example.com')
        u4 = User(username='david', email='david@example.com')
        db.session.add_all([u1, u2, u3, u4])

        # create four posts
        now = datetime.utcnow()
        p1 = Post(body="post from john", author=u1,
                  timestamp=now + timedelta(seconds=1))
        p2 = Post(body="post from susan", author=u2,
                  timestamp=now + timedelta(seconds=4))
        p3 = Post(body="post from mary", author=u3,
                  timestamp=now + timedelta(seconds=3))
        p4 = Post(body="post from david", author=u4,
                  timestamp=now + timedelta(seconds=2))
        db.session.add_all([p1, p2, p3, p4])
        db.session.commit()

        # setup the followers
        u1.follow(u2)  # john follows susan
        u1.follow(u4)  # john follows david
        u2.follow(u3)  # susan follows mary
        u3.follow(u4)  # mary follows david
        db.session.commit()

        # check the followed posts of each user
        f1 = u1.followed_posts().all()
        f2 = u2.followed_posts().all()
        f3 = u3.followed_posts().all()
        f4 = u4.followed_posts().all()
        self.assertEqual(f1, [p2, p4, p1])
        self.assertEqual(f2, [p2, p3])
        self.assertEqual(f3, [p3, p4])
        self.assertEqual(f4, [p4])

    def test_roles_and_permission(self):
        Role.insert_roles()
        u1 =User(username='kongmuqiuren',email='4214221@qq.com',password='4fs141')
        self.assertTrue(u1.can(Permission.WRITE_ARTICLES))
        self.assertFalse(u1.can(Permission.MODERATE_COMMENT))

    def test_anonymous_user(self):
        u=AnonymousUser()
        self.assertFalse(u.can(Permission.FOLLOW))

if __name__ == '__main__':
    unittest.main(verbosity=2)