def test_of_triangle_contanting_to_point3(self):
self.assertEqual(Functionality.Point(3, 3), Functionality.Triangle(Functionality.Point(1, 1),
Functionality.Point(0, 2),
Functionality.Point(3, 3)).point3)
def test_of_triangle_length_of_side_with_wrong_type_argument(self):
with self.assertRaises(Functionality.TriangleError) as raised_exception:
Functionality.Triangle.length_of_side(2, Functionality.Point(1, 1))
self.assertEqual(raised_exception.exception.args[0], 'Point should be instance of class Point')
def test_of_triangle_with_points_on_one_line(self):
with self.assertRaises(Functionality.TriangleError) as raised_exception:
Functionality.Triangle(Functionality.Point(0, 0), Functionality.Point(1, 1), Functionality.Point(2, 2))
self.assertEqual(raised_exception.exception.args[0], 'Points should not be located on the one line. Try again!')
def test_of_triangle_with_equal_points(self):
with self.assertRaises(Functionality.TriangleError) as raised_exception:
Functionality.Triangle(Functionality.Point(1, 1), Functionality.Point(1, 1), Functionality.Point(2, 2))
self.assertEqual(raised_exception.exception.args[0], 'Points should be different. Try again!')
def test_of_exception_handler(self):
self.assertEqual(None, Functionality.exception_handler(ValueError, 'Be Nice!'))
def test_of_triangle_area_of_obtuse_triangle(self):
test_triangle = Functionality.Triangle(Functionality.Point(1, 3),
Functionality.Point(3, 5),
Functionality.Point(9, 3))
self.assertEqual(Decimal('8.0000000000000017763568394002504646778106689453125'), test_triangle.area())
def test_of_point_equal_operator_with_right_statement(self):
self.assertEqual(True, Functionality.Point(1, 1) == Functionality.Point(1, 1))
def test_of_triangle_perimeter_on_sharp_triangle(self):
test_triangle = Functionality.Triangle(Functionality.Point(1, 2),
Functionality.Point(2, 5),
Functionality.Point(5, 2))
self.assertEqual(Decimal('11.40491834728766429307711405'), test_triangle.perimeter())
def test_of_input_error(self):
self.assertEqual('<class \'Exception\'>', str(Functionality.InputError(Exception)))
def test_of_point_initiation_with_wrong_type_argument(self):
with self.assertRaises(Functionality.InputError) as raised_exception:
Functionality.Point('a', 1)
self.assertEqual(raised_exception.exception.args[0], 'Coordinate should be number. Try again')
def pattern_for_negative_input_tests(self, given_answer, exception_type, exception_msg):
with self.assertRaises(exception_type) as raised_exception:
with patch('builtins.input', side_effect=given_answer), patch('sys.stdout', new=StringIO()) as fake_out:
Functionality.triangle_defining()
self.assertEqual(raised_exception.exception.args[0], exception_msg)
def test_of_triangle_error(self):
self.assertEqual('<class \'Exception\'>', str(Functionality.TriangleError(Exception)))
def pattern_for_positive_input_tests(self, given_answer, expected_out):
with patch('builtins.input', side_effect=given_answer), patch('sys.stdout', new=StringIO()) as fake_out:
Functionality.triangle_defining()
self.assertEqual(fake_out.getvalue().strip(), expected_out)
def test_of_triangle_length_of_side(self):
self.assertEqual(Decimal('1'), Functionality.Triangle.length_of_side(Functionality.Point(0, 0),
Functionality.Point(1, 0)))
def test_of_point_equal_operator_with_wrong_statement(self):
self.assertEqual(False, Functionality.Point(2, 1) == Functionality.Point(1, 1))
def test_of_triangle_perimeter_on_right_triangle(self):
test_triangle = Functionality.Triangle(Functionality.Point(0, 0),
Functionality.Point(0, 1),
Functionality.Point(1, 0))
self.assertEqual(Decimal('3.414213562373095145474621859'), test_triangle.perimeter())
def test_of_point_contanting_to_x(self):
self.assertEqual(Decimal('1'), Functionality.Point(1, 1).x)
def test_of_triangle_perimeter_on_obtuse_triangle(self):
test_triangle = Functionality.Triangle(Functionality.Point(1, 3),
Functionality.Point(3, 5),
Functionality.Point(9, 3))
self.assertEqual(Decimal('17.15298244508294933652337022'), test_triangle.perimeter())
def test_of_point_contanting_to_y(self):
self.assertEqual(Decimal('2'), Functionality.Point(1, 2).y)
def test_of_right_triangle_area(self):
test_triangle = Functionality.Triangle(Functionality.Point(0, 0),
Functionality.Point(0, 1),
Functionality.Point(1, 0))
self.assertEqual(Decimal('0.5'), test_triangle.area())
def test_of_triangle_area_of_sharp_triangle(self):
test_triangle = Functionality.Triangle(Functionality.Point(1, 2),
Functionality.Point(2, 5),
Functionality.Point(5, 2))
self.assertEqual(Decimal('6'), test_triangle.area())