def test_message_selection(self):
# Create new message from another author
other_message = Message(user=self.users[1], text='Another message')
other_message.save()
message = Message(user=self.author, text='s/nothing/todo')
modified = message.substitute()
self.assertEqual(modified.user, self.author)
self.assertEqual(modified.text, 'Hello World!')
# Remove the other message
other_message.delete()
def test_valid_substitution(self):
message = Message(user=self.author, text='s/World!/Universe!?')
self.assertEqual(message.substitute().text, 'Hello Universe!?')
def test_no_message(self):
message = Message(user=self.users[1], text='s/nothing/todo')
self.assertIsNone(message.substitute())
def test_no_match(self):
message = Message(user=self.author, text='s/bye/nothing')
self.assertEqual(message.substitute().text, 'Hello World!')
def test_empty_match(self):
message = Message(user=self.author, text='s//o')
self.assertIsNone(message.substitute())
def test_empty_pattern(self):
message = Message(user=self.author, text='s/o/')
self.assertEqual(message.substitute().text, 'Hell World!')
def test_valid_multiple_substitutions(self):
message = Message(user=self.author, text='s/o/p')
self.assertEqual(message.substitute().text, 'Hellp World!')
