def test_negative(self):
"""
Check negatives
:return:
"""
self.assertEqual(calc.calculate("(-4) + 2"), -2)
self.assertEqual(calc.calculate("(4 * 2 + 4) * -2"), -24)
def test_negative(self):
"""
Check negatives
:return:
"""
self.assertEqual(calc.calculate("(-4) + 2"), -2)
self.assertEqual(calc.calculate("(4 * 2 + 4) * -2"), -24)
def test_modulo(self):
"""
Modulo feature tests
:return:
"""
self.assertEqual(calc.calculate("2 % 2"), 0)
self.assertEqual(calc.calculate("2 * 2 % 2"), 0)
self.assertEqual(calc.calculate("(2 + 3) % 2 / 5"), 0.2)
def test_saved(self):
"""
Test saved value feature
:return:
"""
calc.saved = 5
self.assertEqual(calc.calculate("+2"), 7)
self.assertEqual(calc.calculate("2 { 6 / 2 [ 5 ] }"), 30)
def test_UDF(self):
"""
Make sure errors are handled in UDF
:return:
"""
with self.assertRaises(SyntaxWarning):
calc.handle_user_defined_input("bob = 4")
calc.calculate("bob2 + 4")
def test_modulo(self):
"""
Modulo feature tests
:return:
"""
self.assertEqual(calc.calculate("2 % 2"), 0)
self.assertEqual(calc.calculate("2 * 2 % 2"), 0)
self.assertEqual(calc.calculate("(2 + 3) % 2 / 5"), 0.2)
def test_saved(self):
"""
Test saved value feature
:return:
"""
calc.saved = 5
self.assertEqual(calc.calculate("+2"), 7)
self.assertEqual(calc.calculate("2 { 6 / 2 [ 5 ] }"), 30)
def test_UDF(self):
"""
Make sure errors are handled in UDF
:return:
"""
with self.assertRaises(SyntaxWarning):
calc.handle_user_defined_input("bob = 4")
calc.calculate("bob2 + 4")
def test_operator_errors(self):
"""
More operator errors
:return:
"""
with self.assertRaises(SyntaxWarning):
calc.calculate("2 + * 4")
calc.calculate("2 ! 4")
calc.handle_user_defined_input("matt = 4 = 5")
def test_operator_errors(self):
"""
More operator errors
:return:
"""
with self.assertRaises(SyntaxWarning):
calc.calculate("2 + * 4")
calc.calculate("2 ! 4")
calc.handle_user_defined_input("matt = 4 = 5")
def test_symbol_errors(self):
"""
Validate some of the stranger symbol issues
:return:
"""
with self.assertRaises(SyntaxWarning):
calc.calculate("2 + (%)")
calc.calculate("2 + 2)")
calc.calculate("2 + () + 5")
calc.calculate("2 + ((%) +2)")
def test_symbol_errors(self):
"""
Validate some of the stranger symbol issues
:return:
"""
with self.assertRaises(SyntaxWarning):
calc.calculate("2 + (%)")
calc.calculate("2 + 2)")
calc.calculate("2 + () + 5")
calc.calculate("2 + ((%) +2)")
def test_math(self):
"""
Simple unit tests
:return:
"""
self.assertAlmostEqual(calc.calculate("4 * 10 / 15 + ( 6 - 2 * 3 )"), 2.6666666, 3)
self.assertEqual(calc.calculate("2 +5/1 + (2* 5)/2"), 12)
self.assertAlmostEqual(calc.calculate("7^2+16 / (4^4)"), 49.0625, 3)
self.assertEqual(calc.calculate("(1+2)+(2+3)"), 8)
self.assertEqual(calc.calculate("1+ ( ( ( 3 + 2) * 2) - 4)"), 7)
self.assertAlmostEqual(calc.calculate("pi*2"), 6.2831, 3)
self.assertEqual(calc.calculate("(2*.5)^3"), 1)
calc.handle_user_defined_input("Matt = 20")
self.assertAlmostEqual(calc.calculate("Matt * pi"), 62.8318, 3)
def test_math(self):
"""
Simple unit tests
:return:
"""
self.assertAlmostEqual(calc.calculate("4 * 10 / 15 + ( 6 - 2 * 3 )"),
2.6666666, 3)
self.assertEqual(calc.calculate("2 +5/1 + (2* 5)/2"), 12)
self.assertAlmostEqual(calc.calculate("7^2+16 / (4^4)"), 49.0625, 3)
self.assertEqual(calc.calculate("(1+2)+(2+3)"), 8)
self.assertEqual(calc.calculate("1+ ( ( ( 3 + 2) * 2) - 4)"), 7)
self.assertAlmostEqual(calc.calculate("pi*2"), 6.2831, 3)
self.assertEqual(calc.calculate("(2*.5)^3"), 1)
calc.handle_user_defined_input("Matt = 20")
self.assertAlmostEqual(calc.calculate("Matt * pi"), 62.8318, 3)
def main():
'''
The main program loop
'''
print("Welcome to the Calculator")
while True:
print("Please input an equation")
try:
equation = take_input()
if equation: #If returned an equation
print_ans(calc.calculate(equation))
except(UserWarning, SyntaxWarning) as error:
print(error)
except ZeroDivisionError:
print("Cannot divide by Zero, numbnuts")
except KeyboardInterrupt:
print("Exiting")
exit()
def main():
'''
The main program loop
'''
print("Welcome to the Calculator")
while True:
print("Please input an equation")
try:
equation = take_input()
if equation: #If returned an equation
print_ans(calc.calculate(equation))
except (UserWarning, SyntaxWarning) as error:
print(error)
except ZeroDivisionError:
print("Cannot divide by Zero, numbnuts")
except KeyboardInterrupt:
print("Exiting")
exit()
