diff options
Diffstat (limited to 'Lib/unittest.py')
| -rw-r--r-- | Lib/unittest.py | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/Lib/unittest.py b/Lib/unittest.py index 9100a78..31d9cb4 100644 --- a/Lib/unittest.py +++ b/Lib/unittest.py @@ -300,10 +300,38 @@ class TestCase: raise self.failureException, \ (msg or '%s == %s' % (`first`, `second`)) + def failUnlessAlmostEqual(self, first, second, places=7, msg=None): + """Fail if the two objects are unequal as determined by their + difference rounded to the given number of decimal places + (default 7) and comparing to zero. + + Note that decimal places (from zero) is usually not the same + as significant digits (measured from the most signficant digit). + """ + if round(second-first, places) != 0: + raise self.failureException, \ + (msg or '%s != %s within %s places' % (`first`, `second`, `places` )) + + def failIfAlmostEqual(self, first, second, places=7, msg=None): + """Fail if the two objects are equal as determined by their + difference rounded to the given number of decimal places + (default 7) and comparing to zero. + + Note that decimal places (from zero) is usually not the same + as significant digits (measured from the most signficant digit). + """ + if round(second-first, places) == 0: + raise self.failureException, \ + (msg or '%s == %s within %s places' % (`first`, `second`, `places`)) + assertEqual = assertEquals = failUnlessEqual assertNotEqual = assertNotEquals = failIfEqual + assertAlmostEqual = assertAlmostEquals = failUnlessAlmostEqual + + assertNotAlmostEqual = assertNotAlmostEquals = failIfAlmostEqual + assertRaises = failUnlessRaises assert_ = failUnless |