def __init__(self, logger=RealLogger()):
self.logger = logger
self.matrix1 = MatrixOperations.make_from_list([[0] * 3] * 3)
self.matrix2 = MatrixOperations.make_from_list([[0] * 3] * 3)
self.rows = 3
self.answer = ''
self.operation = '+'
self.logger.log('Welcome!')
def test_plus_onesize_diff_char_matrix(self):
first_matrix = Matrix.make_from_list([[1, 1]])
second_matrix = Matrix.make_from_list([[-1, -1]])
result_matrix = MatrixOperations.add_matrix(first_matrix,
second_matrix)
self.assertTrue(result_matrix.data_lines[0][0] == 0
and result_matrix.data_lines[0][1] == 0)
def test_scalar_2_mult_square_2x2_matrix(self):
first_matrix = Matrix.make_from_list([[1, 2], [3, 4]])
skalar = 2
result_matrix = MatrixOperations.scalar_multiply_matrix(
skalar, first_matrix)
self.assertTrue(result_matrix.data_lines[0][0] == 2
and result_matrix.data_lines[1][1] == 8)
def test_scalar_1_mult_matrix(self):
first_matrix = Matrix.make_from_list([[1, 2], [3, 4]])
scalar = 1
result_matrix = MatrixOperations.scalar_multiply_matrix(
scalar, first_matrix)
self.assertTrue(result_matrix.data_lines[0][0] == 1
and result_matrix.data_lines[1][1] == 4)
def test_inverse_2x2_matrix(self):
matrix = Matrix.make_from_list([[1, 2], [3, 4]])
result_matrix = MatrixOperations.inverse(matrix)
self.assertTrue(result_matrix.data_lines[0][0] == -2
and result_matrix.data_lines[0][1] == 1
and result_matrix.data_lines[1][0] == 1.5
and result_matrix.data_lines[1][1] == -0.5)
def test_plus_onesize_negative_matrix(self):
first_matrix = Matrix.make_from_list([[1, 1]])
second_matrix = Matrix.make_from_list([[-2, 2]])
result_matrix = MatrixOperations.add_matrix(first_matrix,
second_matrix)
self.assertTrue(result_matrix.data_lines[0][0] == -1
and result_matrix.data_lines[0][1] == 3)
def test_mult_square_2x2_matrix(self):
first_matrix = Matrix.make_from_list([[1, 0], [0, 1]])
second_matrix = Matrix.make_from_list([[3, 3], [3, 3]])
result_matrix = MatrixOperations.multiply_matrix(
first_matrix, second_matrix)
self.assertTrue(result_matrix.data_lines[0][0] == 3
and result_matrix.data_lines[1][1] == 3)
def test_plus_3x2_matrix(self):
first_matrix = Matrix.make_from_list([[1, 1], [2, 2], [3, 3]])
second_matrix = Matrix.make_from_list([[-1, -1], [-1, -1], [-1, -1]])
result_matrix = MatrixOperations.add_matrix(first_matrix,
second_matrix)
self.assertTrue(result_matrix.data_lines[0][0] == 0
and result_matrix.data_lines[1][1] == 1
and result_matrix.data_lines[2][1] == 2)
def test_inverse_invalid_size_matrix(self):
matrix = Matrix.make_from_list([[1, 2, 2], [3, 4, 4]])
with self.assertRaises(MatrixError):
MatrixOperations.inverse(matrix)
def test_transpose_1x3_matrix(self):
matrix = Matrix.make_from_list([[1, 2, 3]])
result_matrix = MatrixOperations.transpose(matrix)
self.assertTrue(result_matrix.data_lines[0][0] == 1
and result_matrix.data_lines[1][0] == 2
and result_matrix.data_lines[2][0] == 3)
def test_transpose_3x2_matrix(self):
matrix = Matrix.make_from_list([[1, 2], [3, 4], [5, 6]])
result_matrix = MatrixOperations.transpose(matrix)
self.assertTrue(result_matrix.data_lines[0][1] == 3
and result_matrix.data_lines[1][0] == 2
and result_matrix.data_lines[0][2] == 5)
def calculate_determinant2(self):
return MatrixOperations.calculate_det(self.matrix2)
def sum(self):
return MatrixOperations.add_matrix(self.matrix1,
self.matrix2).get_data_lines()
def mul(self):
return MatrixOperations.multiply_matrix(self.matrix1,
self.matrix2).get_data_lines()
def update_matrix1_content(self, content):
self.matrix1 = MatrixOperations.make_from_list(content)
self.logger.log('Setting first matrix to %s' % self.matrix1.data_lines)
def inverse2(self):
return MatrixOperations.inverse(self.matrix2).get_data_lines()
def transpose2(self):
return MatrixOperations.transpose(self.matrix2).get_data_lines()
def test_inverse_matrix_with_zero_det(self):
matrix = Matrix.make_from_list([[1, 2], [2, 4]])
with self.assertRaises(MatrixError):
MatrixOperations.inverse(matrix)
def test_plus_diffsize_matrix(self):
first_matrix = Matrix.make_from_list([[1, 1]])
second_matrix = Matrix.make_from_list([[-1]])
with self.assertRaises(MatrixOperationsError):
MatrixOperations.add_matrix(first_matrix, second_matrix)
def test_not_onesize_matrices(self):
first_matrix = Matrix.make_from_list([[1, 1]])
second_matrix = Matrix.make_from_list([[2]])
self.assertEqual(
MatrixOperations.is_both_same_size(first_matrix, second_matrix),
False)
def __init__(self):
self.matrix1 = MatrixOperations.make_from_list([[0]*3]*3)
self.matrix2 = MatrixOperations.make_from_list([[0]*3]*3)
self.rows = 3
self.answer = ''
self.operation = '+'
def test_mult_invalid_size_matrix(self):
first_matrix = Matrix.make_from_list([[1, 0], [0, 1], [1, 1]])
second_matrix = Matrix.make_from_list([[3, 3], [3, 3], [3, 3]])
with self.assertRaises(MatrixOperationsError):
MatrixOperations.multiply_matrix(first_matrix, second_matrix)
def update_matrix2_content(self, content):
self.matrix2 = MatrixOperations.make_from_list(content)
self.logger.log('Setting second matrix to %s' %
self.matrix2.data_lines)
def test_can_create_matrix(self):
test_matrix = MatrixOperations(2, 2)
test_matrix.data_lines = [[1, 1], [0, 1]]
self.assertTrue(test_matrix.data_lines[0][1] == 1
and test_matrix.cols == 2)
def test_scalar_0_mult_matrix(self):
first_matrix = Matrix.make_from_list([[1, 2], [3, 4]])
scalar = 0
result_matrix = MatrixOperations.scalar_multiply_matrix(
scalar, first_matrix)
self.assertEqual(result_matrix, 0)
def test_can_not_multiply_matrices(self):
first_matrix = Matrix.make_from_list([[1, 1], [1, 1]])
second_matrix = Matrix.make_from_list([[2, 2]])
self.assertEqual(
MatrixOperations.can_multiply_matrix(first_matrix, second_matrix),
False)
def update_matrix2_content(self, content):
self.matrix2 = MatrixOperations.make_from_list(content)
