def test_transport_matrix_3_x_3(self):
input_data = {'data': [[5, 8, -4], [6, 9, -5], [4, 7, -3]]}
expected_data = {'transport': [[5, 6, 4], [8, 9, 7], [-4, -5, -3]]}
r = Receiver()
i = Invoker()
r.set_result(input_data)
c = TransportCommand(r)
i.execute(c)
self.assertEqual(r.get_result(), expected_data)
def test_multiply_case_3(self):
matrices = {
'matrix_1': [[0, 0, 0], [0, 0, 0], [0, 0, 0]],
'matrix_2': [[0, 0, 0], [0, 0, 0], [0, 0, 0]]
}
expected_data = {'multiply': [[0, 0, 0], [0, 0, 0], [0, 0, 0]]}
r = Receiver()
i = Invoker()
r.set_result(matrices)
c = MultiplyCommand(r)
i.execute(c)
self.assertEqual(r.get_result(), expected_data)
def test_delete(self):
matrices = {
'matrix_1': [[3, 9, -5], [-3, 8, 8], [-8, -2, 6]],
'matrix_2': [[10, -7, 5], [-2, -8, -8], [-1, -10, -8]]
}
expected_data = {}
r = Receiver()
i = Invoker()
r.set_result(matrices)
c = DeleteCommand(r)
i.execute(c)
self.assertEqual(r.get_result(), expected_data)
def test_sum_case_1(self):
matrices = {
'matrix_1': [[3, 9, -5], [-3, 8, 8], [-8, -2, 6]],
'matrix_2': [[10, -7, 5], [-2, -8, -8], [-1, -10, -8]]
}
expected_data = {'sum': [[13, 2, 0], [-5, 0, 0], [-9, -12, -2]]}
r = Receiver()
i = Invoker()
r.set_result(matrices)
c = SumCommand(r)
i.execute(c)
self.assertEqual(r.get_result(), expected_data)
def test_sum_case_2(self):
matrices = {
'matrix_1': [[-68, -93, -61], [-2, 81, -65], [62, -76, -20]],
'matrix_2': [[38, -61, 57], [52, -27, 81], [32, 48, 69]]
}
expected_data = {'sum': [[-30, -154, -4], [50, 54, 16], [94, -28, 49]]}
r = Receiver()
i = Invoker()
r.set_result(matrices)
c = SumCommand(r)
i.execute(c)
self.assertEqual(r.get_result(), expected_data)
def test_undo_one_command(self):
matrices = {
'matrix_1': [[3, 9, -5], [-3, 8, 8], [-8, -2, 6]],
'matrix_2': [[10, -7, 5], [-2, -8, -8], [-1, -10, -8]]
}
expected_data = matrices
r = Receiver()
i = Invoker()
r.set_result(matrices)
c = SumCommand(r)
i.execute(c)
i.undo()
self.assertEqual(r.get_result(), expected_data)
def test_multiply_case_1(self):
matrices = {
'matrix_1': [[3, 9, -5], [-3, 8, 8], [-8, -2, 6]],
'matrix_2': [[10, -7, 5], [-2, -8, -8], [-1, -10, -8]]
}
expected_data = {
'multiply': [[17, -43, -17], [-54, -123, -143], [-82, 12, -72]]
}
r = Receiver()
i = Invoker()
r.set_result(matrices)
c = MultiplyCommand(r)
i.execute(c)
self.assertEqual(r.get_result(), expected_data)
def test_multiply_case_2(self):
matrices = {
'matrix_1': [[-68, -93, -61], [-2, 81, -65], [62, -76, -20]],
'matrix_2': [[38, -61, 57], [52, -27, 81], [32, 48, 69]]
}
expected_data = {
'multiply': [[-9372, 3731, -15618], [2056, -5185, 1962],
[-2236, -2690, -4002]]
}
r = Receiver()
i = Invoker()
r.set_result(matrices)
c = MultiplyCommand(r)
i.execute(c)
self.assertEqual(r.get_result(), expected_data)