def testAssignmentisValid(self):
assi = Assignment("234" , "" , "4" , "6")
assert assi.isValid() == False
assi = Assignment("234" , "this blows" , "4" , "")
assert assi.isValid() == False
assi = Assignment("" , "this blows" , "4" , "6")
assert assi.isValid() == False
assi = Assignment("234" , "this blows" , "" , "")
assert len(assi.getErrors()) == 2
assi = Assignment("" , "" , "4" , "")
assert len(assi.getErrors()) == 3
def testGetErrors(self):
asg = Assignment('', '', '', 5)
assert asg.getErrors() != []
assert len(asg.getErrors()) == 3
asg = Assignment('5', 'do it', '6', 7)
assert not(asg.getErrors() != [])
