| from pychecker2 import TestSupport |
| from pychecker2 import FormatStringChecks |
| |
| class FormatTestCase(TestSupport.WarningTester): |
| |
| def testGoodFormats(self): |
| self.silent('def f(x):\n' |
| ' return "%s" % x\n') |
| self.silent('def f(x):\n' |
| " return ('%s' + '%s') % (x, x)\n") |
| self.silent("def f(x):\n" |
| " return (('%s' + '%s') * 8) % ((x,) * 16)\n") |
| self.silent("def f(x):\n" |
| " y = 2\n" |
| " return '%(x)f %(y)s' % locals()\n") |
| self.silent("y = 1\n" |
| "def f():\n" |
| " return '%(y)s' % globals()\n") |
| self.silent("def f():\n" |
| " return '%*.s %*.*s %*f' % locals()\n") |
| self.silent("def f():\n" |
| " return '%s %%' % ('',)\n") |
| self.silent("def f(t):\n" |
| " return '%s %f' % t\n") |
| self.silent("def f(t):\n" |
| " return ('%s %f' + t) % (1, 2)\n") |
| self.silent("def f(t):\n" |
| " return '%s' % `t`\n") |
| self.silent("def f(t):\n" |
| " return '%s' * ((7 - 1) / 2) % (t,t,t)\n") |
| |
| def testBadFormats(self): |
| w = FormatStringChecks.FormatStringCheck.badFormat |
| self.warning("def f():\n" |
| " return '%' % locals()\n", 2, w, 0, '%') |
| self.warning("def f():\n" |
| " return '%z a kookie format, yah' % locals()\n", |
| 2, w, 0, '%z a kooki...') |
| self.warning("def f():\n" |
| " return '%(foo)*.*s' % {'foo': 'bar'}\n", |
| 2, w, 0, '%(foo)*.*s') |
| |
| def testMixed(self): |
| w = FormatStringChecks.FormatStringCheck.mixedFormat |
| self.warning("def f():\n" |
| " return '%(mi)x %up' % locals()\n", 2, w, '(mi)') |
| self.warning("def f():\n" |
| " return '%up %(mi)x' % (1, 2)\n", 2, w, '(mi)') |
| |
| def testFormatCount(self): |
| w = FormatStringChecks.FormatStringCheck.formatCount |
| self.warning("def f():\n" |
| " return '%s %d %f' % ('', 2)\n", |
| 2, w, 2, 3) |
| |
| def testUselessModifier(self): |
| w = FormatStringChecks.FormatStringCheck.uselessModifier |
| self.warning("def f(t):\n" |
| " return '%s %lf' % (t, t)\n", |
| 2, w, 'l') |
| |
| def testFormatConstants(self): |
| w = FormatStringChecks.FormatStringCheck.badConstant |
| self.warning("def f():\n" |
| " return ('%s' * 6) % ((1, 2) + 3 * 7)\n", |
| 2, w, 'can only concatenate tuple (not "int") to tuple') |
| self.warning("def f():\n" |
| " return ('%s' + 6) % ((1, 2) * 3)\n", |
| 2, w, "cannot concatenate 'str' and 'int' objects") |
| |
| def testUnknownName(self): |
| w = FormatStringChecks.FormatStringCheck.unknownFormatName |
| self.warning("def f():\n" |
| " return '%(unknown)s' % globals()\n", |
| 2, w, "unknown", "globals") |
| self.warning("def f():\n" |
| " return '%(unknown)s' % locals()\n", |
| 2, w, "unknown", "locals") |
