def test_single_like_per_user(self):
"""Tests if user has current like for an image in likes table.
And if a like is stored, then tests that user can dislike - removing like(s)
in the likes table under that user"""
filename = self.images[0][0]
for password, nick, avatar in self.users:
users.generate_session(self.db, nick)
sessionid = self.get_cookie_value(users.COOKIE_NAME)
request.cookies[users.COOKIE_NAME] = sessionid
user = users.session_user(self.db)
# adds like if user has not yet liked the image
if not interface.like_exists(self.db, filename, user):
interface.add_like(self.db, filename, user)
# there should be a like stored by the user for the image
self.assertTrue(interface.like_exists(self.db, filename, user))
# records current number of likes for the image
like_count = interface.count_likes(self.db, filename)
# unlike the image
interface.unlike(self.db, filename, user)
# checks that number of likes for image has decremented by 1
# and that the user no longer likes the image
self.assertTrue(like_count-1, interface.count_likes(self.db, filename))
self.assertFalse(interface.like_exists(self.db, filename, user))
def test_single_like_per_user(self):
"""Tests if user has current like for an image in likes table.
And if a like is stored, then tests that user can dislike - removing like(s)
in the likes table under that user"""
filename = self.images[0][0]
for password, nick, avatar in self.users:
users.generate_session(self.db, nick)
sessionid = self.get_cookie_value(users.COOKIE_NAME)
request.cookies[users.COOKIE_NAME] = sessionid
user = users.session_user(self.db)
# adds like if user has not yet liked the image
if not interface.like_exists(self.db, filename, user):
interface.add_like(self.db, filename, user)
# there should be a like stored by the user for the image
self.assertTrue(interface.like_exists(self.db, filename, user))
# records current number of likes for the image
like_count = interface.count_likes(self.db, filename)
# unlike the image
interface.unlike(self.db, filename, user)
# checks that number of likes for image has decremented by 1
# and that the user no longer likes the image
self.assertTrue(like_count - 1,
interface.count_likes(self.db, filename))
self.assertFalse(interface.like_exists(self.db, filename, user))
def like():
"""Add a like to an existing image"""
# get filename info from the submitted form
filename = request.forms.get('filename')
db = COMP249Db()
interface.add_like(db, filename, None)
redirect('/')
def like_img():
"""Post request to Like image; Upon login, when the user likes an image,
that image information is retrieved and the number of likes is increased by adding
to the likes table."""
db = COMP249Db()
img_liked = request.forms.get('filename')
curr_user = None
if request.get_cookie(COOKIE_NAME):
curr_user = users.session_user(db)
interface.add_like(db, img_liked, curr_user)
redirect('/')
def like_img():
"""Post request to Like image; Upon login, when the user likes an image,
that image information is retrieved and the number of likes is increased by adding
to the likes table."""
db = COMP249Db()
img_liked = request.forms.get('filename')
curr_user = None
if request.get_cookie(COOKIE_NAME):
curr_user = users.session_user(db)
interface.add_like(db, img_liked, curr_user)
redirect('/')
def like():
"""
处理喜欢图片的请求
:return: 重定向至指定页面
"""
filename = request.POST.get('filename')
flowTowDataBase = COMP249Db()
userNick = users.session_user(db=flowTowDataBase)
interface.add_like(db=flowTowDataBase,
filename=filename,
usernick=userNick)
return redirect('/')
def test_add_like(self):
"""Test that add_like can add a like either anonymously or from another user"""
filename = self.images[0][0]
# anonymous like
count = interface.count_likes(self.db, filename)
interface.add_like(self.db, filename)
self.assertEqual(count+1, interface.count_likes(self.db, filename), "anonymous like not added")
# a like from a user
interface.add_like(self.db, filename, self.users[3][1])
self.assertEqual(count+2, interface.count_likes(self.db, filename), "like for known user not added")
# like from an unknown user should not be stored
interface.add_like(self.db, filename, 'Imposter')
self.assertEqual(count+2, interface.count_likes(self.db, filename), "you counted like from unknown user")
# like of an unknown image should not be stored
interface.add_like(self.db, 'unknownfile.jpg', self.users[3][1])
self.assertEqual(0, interface.count_likes(self.db, 'unknownfile.jpg'), "you counted like from unknown file")
def test_add_like(self):
"""Test that add_like can add a like either anonymously or from another user"""
filename = self.images[0][0]
# anonymous like
count = interface.count_likes(self.db, filename)
interface.add_like(self.db, filename)
self.assertEqual(count + 1, interface.count_likes(self.db, filename),
"anonymous like not added")
# a like from a user
interface.add_like(self.db, filename, self.users[3][1])
self.assertEqual(count + 2, interface.count_likes(self.db, filename),
"like for known user not added")
# like from an unknown user should not be stored
interface.add_like(self.db, filename, 'Imposter')
self.assertEqual(count + 2, interface.count_likes(self.db, filename),
"you counted like from unknown user")
# like of an unknown image should not be stored
interface.add_like(self.db, 'unknownfile.jpg', self.users[3][1])
self.assertEqual(0, interface.count_likes(self.db, 'unknownfile.jpg'),
"you counted like from unknown file")