def test_function_gives_message_and_keeps_asking_input_until_valid(self):
p = Player("test_player")
# mock to input different inputs in sequence - first three should cause print message, last (1) correct so breaks - also mock the print to check is correct
with mock.patch("builtins.input", side_effect=['one', 3, 3.5, 1]):
with io.StringIO() as buffer:
with contextlib.redirect_stdout(buffer):
p.make_game_decision()
printed_text = buffer.getvalue()
self.assertTrue(printed_text.count("Please enter") == 3)
def test_make_game_decision_gives_error_for_invalid_integer_input(self):
p = Player("test_player")
#make the input so it will be three
with mock.patch("builtins.input", side_effect=[3, 1]):
#this should return a print statement - redirect to buffer
# #side effect - two different inputs, second will break loop
with io.StringIO() as buffer:
with contextlib.redirect_stdout(buffer):
p.make_game_decision()
printed_text = buffer.getvalue()
self.assertTrue(
printed_text.count(
"Please enter only 1 for yes or 0 for no.") == 1)
def test_make_game_decision_gives_expected_message_when_string_as_input(
self):
# don't have to test for both error and message - the error is only way to get the message
# by giving list of inputs can break the loop - also checking can keep inputting till correct
p = Player("test_player")
# mock to input a string - need to check that a ValueError results
with mock.patch("builtins.input", side_effect=['one', 'two', 1]):
with io.StringIO() as buffer:
# redirect the stdout to the buffer - whatever goes to stdout will go to buffer
with contextlib.redirect_stdout(buffer):
p.make_game_decision()
printed_text = buffer.getvalue()
#check that the printed text contains the intended message two times - as final value input is 1 will return true
self.assertTrue(
printed_text.count(
"Please enter decision to take a card as an integer (0 for no, 1 for yes)"
) == 2)
def test_make_game_decision_gives_false_for_input_0(self):
p = Player("test_player")
with mock.patch("builtins.input", return_value=0):
self.assertFalse(p.make_game_decision())
def test_make_game_decision_gives_true_for_input_1(self):
p = Player("test_player")
with mock.patch("builtins.input", return_value=1):
self.assertTrue(p.make_game_decision())