def test_multiplication(self):
"""
Test the multiplication of two numbers
"""
calculator = Calculator()
calculator.number(number=9)
log.debug(calculator)
calculator.operation(operation='*')
log.debug(calculator)
calculator.number(number=3)
log.debug(calculator)
calculator.equal()
log.debug(calculator)
self.assertEqual(calculator.display, '27')
def test_division(self):
"""
Test the division of two numbers
"""
calculator = Calculator()
calculator.number(number=9)
log.debug(calculator)
calculator.operation(operation='/')
log.debug(calculator)
calculator.number(number=3)
log.debug(calculator)
calculator.equal()
log.debug(calculator)
self.assertEqual(calculator.display, '3')
def test_number_reset(self):
"""
Test number and reset
"""
calculator = Calculator()
log.debug(calculator)
calculator.number(number=4)
log.debug(calculator)
calculator.number(number=2)
log.debug(calculator)
calculator.reset()
self.assertEqual(calculator.display, '0')
def test_add_equal(self):
"""
Test the add with equal
"""
calculator = Calculator()
calculator.number(number=9)
log.debug(calculator)
calculator.operation(operation='+')
log.debug(calculator)
calculator.number(number=3)
log.debug(calculator)
calculator.equal()
log.debug(calculator)
self.assertEqual(calculator.display, '12')
calculator.equal()
self.assertEqual(calculator.display, '15')
def test_subtraction(self):
"""
Test the subtraction of two numbers
"""
calculator = Calculator()
log.debug(calculator)
calculator.number(number=4)
log.debug(calculator)
calculator.number(number=2)
log.debug(calculator)
calculator.operation(operation='-')
log.debug(calculator)
calculator.number(number=3)
log.debug(calculator)
calculator.number(number=3)
log.debug(calculator)
calculator.number(number=3)
log.debug(calculator)
calculator.equal()
log.debug(calculator)
self.assertEqual(calculator.display, '-291')
def test_add_equal_multiply_reset_division(self):
"""
Test addition, equal, multiply, reset, division
"""
calculator = Calculator()
log.debug(calculator)
calculator.number(number=4)
log.debug(calculator)
calculator.number(number=2)
log.debug(calculator)
calculator.operation(operation='+')
log.debug(calculator)
calculator.number(number=3)
log.debug(calculator)
calculator.number(number=3)
log.debug(calculator)
calculator.number(number=3)
log.debug(calculator)
calculator.equal()
log.debug(calculator)
self.assertEqual(calculator.display, '375')
calculator.number(number=4)
log.debug(calculator)
calculator.number(number=2)
log.debug(calculator)
calculator.operation(operation='*')
log.debug(calculator)
calculator.reset()
self.assertEqual(calculator.display, '0')
calculator.number(number=9)
log.debug(calculator)
calculator.operation(operation='/')
log.debug(calculator)
calculator.number(number=3)
log.debug(calculator)
calculator.equal()
log.debug(calculator)
self.assertEqual(calculator.display, '3')
def test_add_equal_multiply_equal(self):
"""
Test addition, equal, multiply, equal
"""
calculator = Calculator()
log.debug(calculator)
calculator.number(number=4)
log.debug(calculator)
calculator.number(number=2)
log.debug(calculator)
calculator.operation(operation='+')
log.debug(calculator)
calculator.number(number=3)
log.debug(calculator)
calculator.number(number=3)
log.debug(calculator)
calculator.number(number=3)
log.debug(calculator)
calculator.equal()
log.debug(calculator)
self.assertEqual(calculator.display, '375')
calculator.number(number=4)
log.debug(calculator)
calculator.number(number=2)
log.debug(calculator)
calculator.operation(operation='*')
log.debug(calculator)
calculator.number(number=3)
log.debug(calculator)
calculator.equal()
self.assertEqual(calculator.display, '126')
def test_add(self):
"""
Test the addition of two numbers
"""
calculator = Calculator()
log.debug(calculator)
calculator.number(number=4)
log.debug(calculator)
calculator.number(number=2)
log.debug(calculator)
calculator.operation(operation='+')
log.debug(calculator)
calculator.number(number=3)
log.debug(calculator)
calculator.number(number=3)
log.debug(calculator)
calculator.number(number=3)
log.debug(calculator)
calculator.equal()
log.debug(calculator)
self.assertEqual(calculator.display, '375')
def test_precedence_add_multiply_subtraction_division(self):
'''
Test precedence by adding, multiplying, subtraction, division
'''
calculator = Calculator()
log.debug(calculator)
calculator.number(number=9)
log.debug(calculator)
calculator.operation(operation='+')
log.debug(calculator)
calculator.number(number=5)
log.debug(calculator)
calculator.operation(operation='*')
log.debug(calculator)
calculator.number(number=2)
log.debug(calculator)
calculator.operation(operation='-')
log.debug(calculator)
calculator.number(number=9)
log.debug(calculator)
calculator.operation(operation='/')
log.debug(calculator)
calculator.number(number=2)
log.debug(calculator)
calculator.equal()
log.debug(calculator)
self.assertEqual(calculator.display, '14.5')
def test_precedence_add_multiply(self):
'''
Test precedence by adding and multiplying
'''
calculator = Calculator()
log.debug(calculator)
calculator.number(number=9)
log.debug(calculator)
calculator.operation(operation='+')
log.debug(calculator)
calculator.number(number=5)
log.debug(calculator)
calculator.operation(operation='*')
log.debug(calculator)
calculator.number(number=2)
log.debug(calculator)
calculator.equal()
log.debug(calculator)
self.assertEqual(calculator.display, '19')