def pre_validate_post_img_url(channel):
post = Post
post.title = "x"
post.description = "x"
post.link_url = "https://www.test.com"
post.image_url = "https://www.test.com"
assert pre_validate_post(channel, post) == 1
post.image_url = "test error link"
assert pre_validate_post(channel, post) == 0
post.image_url = ""
assert pre_validate_post(channel, post) == 1
def pre_validate_post_description(channel, maxLengthDescription):
post = Post
post.title = "x"
post.description = "x" * maxLengthDescription
post.link_url = "https://www.test.com"
post.image_url = "https://www.test.com"
assert pre_validate_post(channel, post) == 1
post.description += "x"
assert pre_validate_post(channel, post) == 0
post.description = ""
assert pre_validate_post(channel, post) == 0
