def test_entry_conditions_invalid():
with pytest.raises(ValueError) as excinfo:
locke = Locke(5)
locke.move_boats_through(15)
assert str(excinfo.value) == "{} accepts {} boats max."\
.format(locke.size, locke.limit)
def test_locke_typeerrors_on_str_inputs():
"""given inputs other than positive ints or 0
the locke sends inputerror on initialization"""
locke1 = Locke(5)
boats = 'hello'
with pytest.raises(TypeError):
with locke1:
locke1.move_boats_through(boats)
def test_locke_errors_on_bad_inputs(bad_input):
"""given inputs other than positive ints or 0
the locke sends inputerror on initialization"""
locke1 = Locke(5)
boats = bad_input
with pytest.raises(ValueError):
with locke1:
locke1.move_boats_through(boats)
def test_move_boats_through(capsys):
small_locke = Locke(5)
small_locke.move_boats_through(5)
captured = capsys.readouterr()
assert captured.out == "Opening the doors.\n"\
"Closing the doors.\n"
def test_locke_rejects_boats_count_over_limit():
"""given a lock established with a boat limit of 5
when more than limit of boats are input
the locke raises value error exception"""
locke1 = Locke(5)
boats = 6
with pytest.raises(ValueError):
with locke1:
locke1.move_boats_through(boats)
def test_move_boats_less_than_capacity(self): number_boats = 8 capacity = 10 locke = Locke(capacity) expected_output = "********* Moved 8 boats through the Locke successfully *********" capturedOutput = io.StringIO() sys.stdout = capturedOutput locke.move_boats_through(number_boats) sys.stdout = sys.__stdout__ self.assertEqual(capturedOutput.getvalue().strip(), expected_output.strip())
def test_move_boats_through(self):
a = Locke(5)
with self.assertRaises(ValueError):
a.move_boats_through(6)
try:
a.move_boats_through(6)
except ValueError as err:
self.assertEqual(repr(err), "ValueError('Number of boat exceeds locke capacity 5',)")
def test_std_output_tells_story(capsys):
"""given a locke
when moving boats through
the standard output tells steps"""
locke1 = Locke(5)
boats = 4
with locke1:
locke1.move_boats_through(boats)
captured = capsys.readouterr().out.split("\n")
assert captured[0] == "run pumps"
assert captured[1] == "open door1"
assert captured[2] == "moving boats"
assert captured[3] == "closing door1"
assert captured[4] == "starting pumps"
assert captured[5] == "open door 2"
assert captured[6] == "moving boats"
assert captured[7] == "closing door 2"
def test_locke_accepts_boats_count_under_limit():
"""given a lock established with a boat limit of 5
when 5 or less boats are input
the locke works without exception"""
locke1 = Locke(5)
boats = 4
print(locke1.__dict__)
with locke1:
print(locke1.__dict__)
assert locke1.move_boats_through(boats)
def test_move_boats_greater_than_capacity_fail(self): number_boats = 12 capacity = 10 locke = Locke(capacity) with self.assertRaises(ValueError): locke.move_boats_through(number_boats)
def test_entry_conditions_valid():
locke = Locke(5)
locke.move_boats_through(5)
assert locke.check_entry_conditions() is True
def test_boats():
locke = Locke(5)
locke.move_boats_through(5)
assert locke.boats == 5