def test_wrappedByDefault(self):
"""Make sure that the default fetcher instance wraps
exceptions by default"""
default_fetcher = fetchers.getDefaultFetcher()
self.failUnless(isinstance(default_fetcher,
fetchers.ExceptionWrappingFetcher),
default_fetcher)
self.failUnlessRaises(fetchers.HTTPFetchingError,
fetchers.fetch, 'http://invalid.janrain.com/')
def test_notWrapped(self):
"""Make sure that if we set a non-wrapped fetcher as default,
it will not wrap exceptions."""
# A fetcher that will raise an exception when it encounters a
# host that will not resolve
fetcher = fetchers.Urllib2Fetcher()
fetchers.setDefaultFetcher(fetcher, wrap_exceptions=False)
self.failIf(isinstance(fetchers.getDefaultFetcher(),
fetchers.ExceptionWrappingFetcher))
try:
fetchers.fetch('http://invalid.janrain.com/')
except fetchers.HTTPFetchingError:
self.fail('Should not be wrapping exception')
except:
exc = sys.exc_info()[1]
self.failUnless(isinstance(exc, urllib2.URLError), exc)
pass
else:
self.fail('Should have raised an exception')
def setUp(self):
self.oldfetcher = fetchers.getDefaultFetcher()
fetchers.setDefaultFetcher(self.MockFetcher())
def test_setDefault(self):
"""Make sure the getDefaultFetcher returns the object set for
setDefaultFetcher"""
sentinel = object()
fetchers.setDefaultFetcher(sentinel, wrap_exceptions=False)
self.failUnless(fetchers.getDefaultFetcher() is sentinel)
def test_getDefaultNotNone(self):
"""Make sure that None is never returned as a default fetcher"""
self.failUnless(fetchers.getDefaultFetcher() is not None)
fetchers.setDefaultFetcher(None)
self.failUnless(fetchers.getDefaultFetcher() is not None)
