def test_check_operands(self):
lib = mylibrary.MyLibrary()
actual = lib.check_operands(1, 5)
self.assertTrue(actual)
actual = lib.check_operands("x", 5)
self.assertFalse(actual)
actual = lib.check_operands(1, 5.5)
self.assertFalse(actual)
actual = lib.check_operands(1.5, "5")
self.assertFalse(actual)
def test_operation_divide_by_zero(self):
lib = mylibrary.MyLibrary()
with self.assertRaises(mylibrary.LibraryError):
lib.operation_divide(6, 0)
def test_operation_divide_invalid_operands(self):
lib = mylibrary.MyLibrary()
with self.assertRaises(mylibrary.LibraryError):
lib.operation_divide(6, 2.2)
def test_operation_divide(self):
lib = mylibrary.MyLibrary()
actual = lib.operation_divide(6, 2)
self.assertEqual(3, actual)
def test_operation_multiply_invalid_operands(self):
lib = mylibrary.MyLibrary()
with self.assertRaises(mylibrary.LibraryError):
lib.operation_multiply("", 5)
def test_operation_multiply(self):
lib = mylibrary.MyLibrary()
actual = lib.operation_multiply(2, 5)
self.assertEqual(10, actual)
def test_operation_subtract_invalid_operands(self):
lib = mylibrary.MyLibrary()
with self.assertRaises(mylibrary.LibraryError):
lib.operation_subtract("5", 2)
def test_operation_subtract(self):
lib = mylibrary.MyLibrary()
actual = lib.operation_subtract(5, 2)
self.assertEqual(3, actual)
def test_operation_add_invalid_operands(self):
lib = mylibrary.MyLibrary()
with self.assertRaises(mylibrary.LibraryError):
lib.operation_add(1, "x")
def test_operation_add(self):
lib = mylibrary.MyLibrary()
actual = lib.operation_add(1, 5)
self.assertEqual(6, actual)
