diff options
Diffstat (limited to 'Lib/test/test_pep352.py')
| -rw-r--r-- | Lib/test/test_pep352.py | 78 |
1 files changed, 43 insertions, 35 deletions
diff --git a/Lib/test/test_pep352.py b/Lib/test/test_pep352.py index 313c607..666d6c9 100644 --- a/Lib/test/test_pep352.py +++ b/Lib/test/test_pep352.py @@ -4,14 +4,27 @@ import exceptions import warnings from test.test_support import run_unittest import os +import sys from platform import system as platform_system -def ignore_message_warning(): - """Ignore the DeprecationWarning for BaseException.message.""" - warnings.resetwarnings() - warnings.filterwarnings("ignore", "BaseException.message", - DeprecationWarning) +DEPRECATION_WARNINGS = ["BaseException.message has been deprecated"] +if sys.py3kwarning: + DEPRECATION_WARNINGS.extend( + ["exceptions must derive from BaseException", + "catching classes that don't inherit from BaseException is not allowed", + "__get(item|slice)__ not supported for exception classes"]) + +# Silence Py3k and other deprecation warnings +def ignore_deprecation_warnings(func): + """Ignore the known DeprecationWarnings.""" + def wrapper(*args, **kw): + with warnings.catch_warnings(): + warnings.resetwarnings() + for text in DEPRECATION_WARNINGS: + warnings.filterwarnings("ignore", text, DeprecationWarning) + return func(*args, **kw) + return wrapper class ExceptionClassTests(unittest.TestCase): @@ -21,13 +34,11 @@ class ExceptionClassTests(unittest.TestCase): def test_builtins_new_style(self): self.failUnless(issubclass(Exception, object)) + @ignore_deprecation_warnings def verify_instance_interface(self, ins): - with warnings.catch_warnings(): - ignore_message_warning() - for attr in ("args", "message", "__str__", "__repr__", - "__getitem__"): - self.failUnless(hasattr(ins, attr), - "%s missing %s attribute" % + for attr in ("args", "message", "__str__", "__repr__", "__getitem__"): + self.assertTrue(hasattr(ins, attr), + "%s missing %s attribute" % (ins.__class__.__name__, attr)) def test_inheritance(self): @@ -91,43 +102,39 @@ class ExceptionClassTests(unittest.TestCase): self.failUnlessEqual(given, expected, "%s: %s != %s" % (test_name, given, expected)) + @ignore_deprecation_warnings def test_interface_single_arg(self): # Make sure interface works properly when given a single argument arg = "spam" exc = Exception(arg) - with warnings.catch_warnings(): - ignore_message_warning() - results = ([len(exc.args), 1], [exc.args[0], arg], - [exc.message, arg], - [str(exc), str(arg)], [unicode(exc), unicode(arg)], - [repr(exc), exc.__class__.__name__ + repr(exc.args)], [exc[0], - arg]) - self.interface_test_driver(results) + results = ([len(exc.args), 1], [exc.args[0], arg], [exc.message, arg], + [str(exc), str(arg)], [unicode(exc), unicode(arg)], + [repr(exc), exc.__class__.__name__ + repr(exc.args)], + [exc[0], arg]) + self.interface_test_driver(results) + @ignore_deprecation_warnings def test_interface_multi_arg(self): # Make sure interface correct when multiple arguments given arg_count = 3 args = tuple(range(arg_count)) exc = Exception(*args) - with warnings.catch_warnings(): - ignore_message_warning() - results = ([len(exc.args), arg_count], [exc.args, args], - [exc.message, ''], [str(exc), str(args)], - [unicode(exc), unicode(args)], - [repr(exc), exc.__class__.__name__ + repr(exc.args)], - [exc[-1], args[-1]]) - self.interface_test_driver(results) + results = ([len(exc.args), arg_count], [exc.args, args], + [exc.message, ''], [str(exc), str(args)], + [unicode(exc), unicode(args)], + [repr(exc), exc.__class__.__name__ + repr(exc.args)], + [exc[-1], args[-1]]) + self.interface_test_driver(results) + @ignore_deprecation_warnings def test_interface_no_arg(self): # Make sure that with no args that interface is correct exc = Exception() - with warnings.catch_warnings(): - ignore_message_warning() - results = ([len(exc.args), 0], [exc.args, tuple()], - [exc.message, ''], - [str(exc), ''], [unicode(exc), u''], - [repr(exc), exc.__class__.__name__ + '()'], [True, True]) - self.interface_test_driver(results) + results = ([len(exc.args), 0], [exc.args, tuple()], + [exc.message, ''], + [str(exc), ''], [unicode(exc), u''], + [repr(exc), exc.__class__.__name__ + '()'], [True, True]) + self.interface_test_driver(results) def test_message_deprecation(self): @@ -179,6 +186,7 @@ class UsageTests(unittest.TestCase): self.fail("TypeError expected when catching %s as specified in a " "tuple" % type(object_)) + @ignore_deprecation_warnings def test_raise_classic(self): # Raising a classic class is okay (for now). class ClassicClass: @@ -194,7 +202,7 @@ class UsageTests(unittest.TestCase): except ClassicClass: pass except: - self.fail("unable to raise class class instance") + self.fail("unable to raise classic class instance") def test_raise_new_style_non_exception(self): # You cannot raise a new-style class that does not inherit from |