def setUp(self):
self.op = Operation()
class Test(unittest.TestCase):
def setUp(self):
self.op = Operation()
def testAdd(self):
self.assertEqual(2.0, self.op.perform("+",1.0,1.0), "2.0 != 1.0+1.0")
self.assertEqual(6.0, self.op.perform("+",5.0,1.0), "6.0 != 5.0+1.0")
self.assertEqual(2.1, self.op.perform("+",1.1,1.0), "2.1 != 1.1+1.0")
def testSub(self):
self.assertEqual(1.0-1.0, self.op.perform("-",1.0,1.0), "0.0 != 1.0-1.0")
self.assertEqual(1.0-5.0, self.op.perform("-",1.0,5.0), "-4.0 != 1.0-5.0")
self.assertEqual(1.1-1.0, self.op.perform("-",1.1,1.0), "0.1 != 1.1-1.0")
def testMul(self):
self.assertEqual(1.0, self.op.perform("*",1.0,1.0), "1.0 != 1.0*1.0")
self.assertEqual(6.0, self.op.perform("*",3.0,2.0), "6.0 != 3.0*2.0")
self.assertEqual(-2.53, self.op.perform("*",1.1,-2.3), "-2.53 != 1.1*-2.3")
def testDiv(self):
self.assertEqual(1.0, self.op.perform("/",1.0,1.0), "1.0 != 1.0/1.0")
self.assertEqual(2.5, self.op.perform("/",5.0,2.0), "2.5 != 5.0/2.0")
self.assertEqual(0.55, self.op.perform("/",1.1,2.0), "0.55 != 1.1/2.0")
def testAllowed(self):
self.assertEqual(True, self.op.isAllowed("*"), "* should be allowed")
self.assertNotEqual(True, self.op.isAllowed(""), "Empty operator shouldn't be allowed")
self.assertNotEqual(True, self.op.isAllowed(")"), ") operator shouldn't be allowed")
self.assertNotEqual(True, self.op.isAllowed(None), "None operator shouldn't be allowed")
self.assertNotEqual(True, self.op.isAllowed(1), "Type int as operator shouldn't be allowed")
