| from pychecker2 import TestSupport |
| from pychecker2 import OpChecks |
| |
| class OpTests(TestSupport.WarningTester): |
| def testOperator(self): |
| for op in ['--', '++']: |
| self.warning('def f(x):\n' |
| ' return %sx' % op, |
| 2, OpChecks.OpCheck.operator, op) |
| |
| def testOperatorPlus(self): |
| self.warning('def f(x):\n' |
| ' return +x', 2, OpChecks.OpCheck.operatorPlus) |
| |
| def testEqualNone(self): |
| self.silent('def f(x):\n' |
| ' return 1 <= x <= None\n') |
| self.warning('def f(x):\n' |
| ' return x == None\n', 2, OpChecks.CompareCheck.useIs) |
| self.warning('def f(x):\n' |
| ' return 1 == x == None\n', 2, OpChecks.CompareCheck.useIs) |
| self.warning('def f(x):\n' |
| ' return None == x == 1\n', 2, OpChecks.CompareCheck.useIs) |
| self.warning('def f(x):\n' |
| ' return None == x\n', 2, OpChecks.CompareCheck.useIs) |
| |
| def testExcept(self): |
| self.warning('try:\n' |
| ' pass\n' |
| 'except:\n' |
| ' pass\n', 4, OpChecks.ExceptCheck.emptyExcept) |
| self.warning('try:\n' |
| ' pass\n' |
| 'except AssertionError:\n'\ |
| ' pass\n' |
| 'except:\n' |
| ' pass\n', 6, OpChecks.ExceptCheck.emptyExcept) |
| self.warning('try:\n' |
| ' pass\n' |
| 'except:\n' |
| ' pass\n' |
| 'except AssertionError:\n'\ |
| ' pass\n', 4, OpChecks.ExceptCheck.emptyExcept) |
