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def findByIteration(self, modname, where=modules, importPackages=False):
"""
You don't ever actually want to do this, so it's not in the public
API, but sometimes we want to compare the result of an iterative call
with a lookup call and make sure they're the same for test purposes.
"""
for modinfo in where.walkModules(importPackages=importPackages):
if modinfo.name == modname:
return modinfo
self.fail("Unable to find module %r through iteration." % (modname,)) | You don't ever actually want to do this, so it's not in the public
API, but sometimes we want to compare the result of an iterative call
with a lookup call and make sure they're the same for test purposes. | findByIteration | python | wistbean/learn_python3_spider | stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_modules.py | https://github.com/wistbean/learn_python3_spider/blob/master/stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_modules.py | MIT |
def test_namespacedPackages(self):
"""
Duplicate packages are not yielded when iterating over namespace
packages.
"""
# Force pkgutil to be loaded already, since the probe package being
# created depends on it, and the replaceSysPath call below will make
# pretty much everything unimportable.
__import__('pkgutil')
namespaceBoilerplate = (
b'import pkgutil; '
b'__path__ = pkgutil.extend_path(__path__, __name__)')
# Create two temporary directories with packages:
#
# entry:
# test_package/
# __init__.py
# nested_package/
# __init__.py
# module.py
#
# anotherEntry:
# test_package/
# __init__.py
# nested_package/
# __init__.py
# module2.py
#
# test_package and test_package.nested_package are namespace packages,
# and when both of these are in sys.path, test_package.nested_package
# should become a virtual package containing both "module" and
# "module2"
entry = self.pathEntryWithOnePackage()
testPackagePath = entry.child('test_package')
testPackagePath.child('__init__.py').setContent(namespaceBoilerplate)
nestedEntry = testPackagePath.child('nested_package')
nestedEntry.makedirs()
nestedEntry.child('__init__.py').setContent(namespaceBoilerplate)
nestedEntry.child('module.py').setContent(b'')
anotherEntry = self.pathEntryWithOnePackage()
anotherPackagePath = anotherEntry.child('test_package')
anotherPackagePath.child('__init__.py').setContent(namespaceBoilerplate)
anotherNestedEntry = anotherPackagePath.child('nested_package')
anotherNestedEntry.makedirs()
anotherNestedEntry.child('__init__.py').setContent(namespaceBoilerplate)
anotherNestedEntry.child('module2.py').setContent(b'')
self.replaceSysPath([entry.path, anotherEntry.path])
module = modules.getModule('test_package')
# We have to use importPackages=True in order to resolve the namespace
# packages, so we remove the imported packages from sys.modules after
# walking
try:
walkedNames = [
mod.name for mod in module.walkModules(importPackages=True)]
finally:
for module in list(sys.modules.keys()):
if module.startswith('test_package'):
del sys.modules[module]
expected = [
'test_package',
'test_package.nested_package',
'test_package.nested_package.module',
'test_package.nested_package.module2',
]
self.assertEqual(walkedNames, expected) | Duplicate packages are not yielded when iterating over namespace
packages. | test_namespacedPackages | python | wistbean/learn_python3_spider | stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_modules.py | https://github.com/wistbean/learn_python3_spider/blob/master/stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_modules.py | MIT |
def test_unimportablePackageGetItem(self):
"""
If a package has been explicitly forbidden from importing by setting a
L{None} key in sys.modules under its name,
L{modules.PythonPath.__getitem__} should still be able to retrieve an
unloaded L{modules.PythonModule} for that package.
"""
shouldNotLoad = []
path = modules.PythonPath(sysPath=[self.pathEntryWithOnePackage().path],
moduleLoader=shouldNotLoad.append,
importerCache={},
sysPathHooks={},
moduleDict={'test_package': None})
self.assertEqual(shouldNotLoad, [])
self.assertFalse(path['test_package'].isLoaded()) | If a package has been explicitly forbidden from importing by setting a
L{None} key in sys.modules under its name,
L{modules.PythonPath.__getitem__} should still be able to retrieve an
unloaded L{modules.PythonModule} for that package. | test_unimportablePackageGetItem | python | wistbean/learn_python3_spider | stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_modules.py | https://github.com/wistbean/learn_python3_spider/blob/master/stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_modules.py | MIT |
def test_unimportablePackageWalkModules(self):
"""
If a package has been explicitly forbidden from importing by setting a
L{None} key in sys.modules under its name, L{modules.walkModules} should
still be able to retrieve an unloaded L{modules.PythonModule} for that
package.
"""
existentPath = self.pathEntryWithOnePackage()
self.replaceSysPath([existentPath.path])
self.replaceSysModules({"test_package": None})
walked = list(modules.walkModules())
self.assertEqual([m.name for m in walked],
["test_package"])
self.assertFalse(walked[0].isLoaded()) | If a package has been explicitly forbidden from importing by setting a
L{None} key in sys.modules under its name, L{modules.walkModules} should
still be able to retrieve an unloaded L{modules.PythonModule} for that
package. | test_unimportablePackageWalkModules | python | wistbean/learn_python3_spider | stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_modules.py | https://github.com/wistbean/learn_python3_spider/blob/master/stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_modules.py | MIT |
def test_nonexistentPaths(self):
"""
Verify that L{modules.walkModules} ignores entries in sys.path which
do not exist in the filesystem.
"""
existentPath = self.pathEntryWithOnePackage()
nonexistentPath = FilePath(self.mktemp())
self.assertFalse(nonexistentPath.exists())
self.replaceSysPath([existentPath.path])
expected = [modules.getModule("test_package")]
beforeModules = list(modules.walkModules())
sys.path.append(nonexistentPath.path)
afterModules = list(modules.walkModules())
self.assertEqual(beforeModules, expected)
self.assertEqual(afterModules, expected) | Verify that L{modules.walkModules} ignores entries in sys.path which
do not exist in the filesystem. | test_nonexistentPaths | python | wistbean/learn_python3_spider | stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_modules.py | https://github.com/wistbean/learn_python3_spider/blob/master/stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_modules.py | MIT |
def test_nonDirectoryPaths(self):
"""
Verify that L{modules.walkModules} ignores entries in sys.path which
refer to regular files in the filesystem.
"""
existentPath = self.pathEntryWithOnePackage()
nonDirectoryPath = FilePath(self.mktemp())
self.assertFalse(nonDirectoryPath.exists())
nonDirectoryPath.setContent(b"zip file or whatever\n")
self.replaceSysPath([existentPath.path])
beforeModules = list(modules.walkModules())
sys.path.append(nonDirectoryPath.path)
afterModules = list(modules.walkModules())
self.assertEqual(beforeModules, afterModules) | Verify that L{modules.walkModules} ignores entries in sys.path which
refer to regular files in the filesystem. | test_nonDirectoryPaths | python | wistbean/learn_python3_spider | stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_modules.py | https://github.com/wistbean/learn_python3_spider/blob/master/stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_modules.py | MIT |
def test_twistedShowsUp(self):
"""
Scrounge around in the top-level module namespace and make sure that
Twisted shows up, and that the module thusly obtained is the same as
the module that we find when we look for it explicitly by name.
"""
self.assertEqual(modules.getModule('twisted'),
self.findByIteration("twisted")) | Scrounge around in the top-level module namespace and make sure that
Twisted shows up, and that the module thusly obtained is the same as
the module that we find when we look for it explicitly by name. | test_twistedShowsUp | python | wistbean/learn_python3_spider | stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_modules.py | https://github.com/wistbean/learn_python3_spider/blob/master/stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_modules.py | MIT |
def test_dottedNames(self):
"""
Verify that the walkModules APIs will give us back subpackages, not just
subpackages.
"""
self.assertEqual(
modules.getModule('twisted.python'),
self.findByIteration("twisted.python",
where=modules.getModule('twisted'))) | Verify that the walkModules APIs will give us back subpackages, not just
subpackages. | test_dottedNames | python | wistbean/learn_python3_spider | stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_modules.py | https://github.com/wistbean/learn_python3_spider/blob/master/stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_modules.py | MIT |
def test_onlyTopModules(self):
"""
Verify that the iterModules API will only return top-level modules and
packages, not submodules or subpackages.
"""
for module in modules.iterModules():
self.assertFalse(
'.' in module.name,
"no nested modules should be returned from iterModules: %r"
% (module.filePath)) | Verify that the iterModules API will only return top-level modules and
packages, not submodules or subpackages. | test_onlyTopModules | python | wistbean/learn_python3_spider | stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_modules.py | https://github.com/wistbean/learn_python3_spider/blob/master/stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_modules.py | MIT |
def test_loadPackagesAndModules(self):
"""
Verify that we can locate and load packages, modules, submodules, and
subpackages.
"""
for n in ['os',
'twisted',
'twisted.python',
'twisted.python.reflect']:
m = namedAny(n)
self.failUnlessIdentical(
modules.getModule(n).load(),
m)
self.failUnlessIdentical(
self.findByIteration(n).load(),
m) | Verify that we can locate and load packages, modules, submodules, and
subpackages. | test_loadPackagesAndModules | python | wistbean/learn_python3_spider | stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_modules.py | https://github.com/wistbean/learn_python3_spider/blob/master/stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_modules.py | MIT |
def test_pathEntriesOnPath(self):
"""
Verify that path entries discovered via module loading are, in fact, on
sys.path somewhere.
"""
for n in ['os',
'twisted',
'twisted.python',
'twisted.python.reflect']:
self.failUnlessIn(
modules.getModule(n).pathEntry.filePath.path,
sys.path) | Verify that path entries discovered via module loading are, in fact, on
sys.path somewhere. | test_pathEntriesOnPath | python | wistbean/learn_python3_spider | stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_modules.py | https://github.com/wistbean/learn_python3_spider/blob/master/stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_modules.py | MIT |
def test_alwaysPreferPy(self):
"""
Verify that .py files will always be preferred to .pyc files, regardless of
directory listing order.
"""
mypath = FilePath(self.mktemp())
mypath.createDirectory()
pp = modules.PythonPath(sysPath=[mypath.path])
originalSmartPath = pp._smartPath
def _evilSmartPath(pathName):
o = originalSmartPath(pathName)
originalChildren = o.children
def evilChildren():
# normally this order is random; let's make sure it always
# comes up .pyc-first.
x = list(originalChildren())
x.sort()
x.reverse()
return x
o.children = evilChildren
return o
mypath.child("abcd.py").setContent(b'\n')
compileall.compile_dir(mypath.path, quiet=True)
# sanity check
self.assertEqual(len(list(mypath.children())), 2)
pp._smartPath = _evilSmartPath
self.assertEqual(pp['abcd'].filePath,
mypath.child('abcd.py')) | Verify that .py files will always be preferred to .pyc files, regardless of
directory listing order. | test_alwaysPreferPy | python | wistbean/learn_python3_spider | stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_modules.py | https://github.com/wistbean/learn_python3_spider/blob/master/stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_modules.py | MIT |
def test_packageMissingPath(self):
"""
A package can delete its __path__ for some reasons,
C{modules.PythonPath} should be able to deal with it.
"""
mypath = FilePath(self.mktemp())
mypath.createDirectory()
pp = modules.PythonPath(sysPath=[mypath.path])
subpath = mypath.child("abcd")
subpath.createDirectory()
subpath.child("__init__.py").setContent(b'del __path__\n')
sys.path.append(mypath.path)
__import__("abcd")
try:
l = list(pp.walkModules())
self.assertEqual(len(l), 1)
self.assertEqual(l[0].name, 'abcd')
finally:
del sys.modules['abcd']
sys.path.remove(mypath.path) | A package can delete its __path__ for some reasons,
C{modules.PythonPath} should be able to deal with it. | test_packageMissingPath | python | wistbean/learn_python3_spider | stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_modules.py | https://github.com/wistbean/learn_python3_spider/blob/master/stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_modules.py | MIT |
def test_underUnderPathAlreadyImported(self):
"""
Verify that iterModules will honor the __path__ of already-loaded packages.
"""
self._underUnderPathTest() | Verify that iterModules will honor the __path__ of already-loaded packages. | test_underUnderPathAlreadyImported | python | wistbean/learn_python3_spider | stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_modules.py | https://github.com/wistbean/learn_python3_spider/blob/master/stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_modules.py | MIT |
def test_listingModules(self):
"""
Make sure the module list comes back as we expect from iterModules on a
package, whether zipped or not.
"""
self._setupSysPath()
self._listModules() | Make sure the module list comes back as we expect from iterModules on a
package, whether zipped or not. | test_listingModules | python | wistbean/learn_python3_spider | stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_modules.py | https://github.com/wistbean/learn_python3_spider/blob/master/stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_modules.py | MIT |
def test_listingModulesAlreadyImported(self):
"""
Make sure the module list comes back as we expect from iterModules on a
package, whether zipped or not, even if the package has already been
imported.
"""
self._setupSysPath()
namedAny(self.packageName)
self._listModules() | Make sure the module list comes back as we expect from iterModules on a
package, whether zipped or not, even if the package has already been
imported. | test_listingModulesAlreadyImported | python | wistbean/learn_python3_spider | stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_modules.py | https://github.com/wistbean/learn_python3_spider/blob/master/stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_modules.py | MIT |
def tearDown(self):
"""
Clean up sys.path by re-binding our original object.
"""
if self.pathSetUp:
sys.path = self.savedSysPath | Clean up sys.path by re-binding our original object. | tearDown | python | wistbean/learn_python3_spider | stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_modules.py | https://github.com/wistbean/learn_python3_spider/blob/master/stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_modules.py | MIT |
def test_unhandledImporter(self):
"""
Make sure that the behavior when encountering an unknown importer
type is not catastrophic failure.
"""
class SecretImporter(object):
pass
def hook(name):
return SecretImporter()
syspath = ['example/path']
sysmodules = {}
syshooks = [hook]
syscache = {}
def sysloader(name):
return None
space = modules.PythonPath(
syspath, sysmodules, syshooks, syscache, sysloader)
entries = list(space.iterEntries())
self.assertEqual(len(entries), 1)
self.assertRaises(KeyError, lambda: entries[0]['module']) | Make sure that the behavior when encountering an unknown importer
type is not catastrophic failure. | test_unhandledImporter | python | wistbean/learn_python3_spider | stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_modules.py | https://github.com/wistbean/learn_python3_spider/blob/master/stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_modules.py | MIT |
def test_inconsistentImporterCache(self):
"""
If the path a module loaded with L{PythonPath.__getitem__} is not
present in the path importer cache, a warning is emitted, but the
L{PythonModule} is returned as usual.
"""
space = modules.PythonPath([], sys.modules, [], {})
thisModule = space[__name__]
warnings = self.flushWarnings([self.test_inconsistentImporterCache])
self.assertEqual(warnings[0]['category'], UserWarning)
self.assertEqual(
warnings[0]['message'],
FilePath(twisted.__file__).parent().dirname() +
" (for module " + __name__ + ") not in path importer cache "
"(PEP 302 violation - check your local configuration).")
self.assertEqual(len(warnings), 1)
self.assertEqual(thisModule.name, __name__) | If the path a module loaded with L{PythonPath.__getitem__} is not
present in the path importer cache, a warning is emitted, but the
L{PythonModule} is returned as usual. | test_inconsistentImporterCache | python | wistbean/learn_python3_spider | stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_modules.py | https://github.com/wistbean/learn_python3_spider/blob/master/stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_modules.py | MIT |
def test_containsModule(self):
"""
L{PythonPath} implements the C{in} operator so that when it is the
right-hand argument and the name of a module which exists on that
L{PythonPath} is the left-hand argument, the result is C{True}.
"""
thePath = modules.PythonPath()
self.assertIn('os', thePath) | L{PythonPath} implements the C{in} operator so that when it is the
right-hand argument and the name of a module which exists on that
L{PythonPath} is the left-hand argument, the result is C{True}. | test_containsModule | python | wistbean/learn_python3_spider | stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_modules.py | https://github.com/wistbean/learn_python3_spider/blob/master/stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_modules.py | MIT |
def test_doesntContainModule(self):
"""
L{PythonPath} implements the C{in} operator so that when it is the
right-hand argument and the name of a module which does not exist on
that L{PythonPath} is the left-hand argument, the result is C{False}.
"""
thePath = modules.PythonPath()
self.assertNotIn('bogusModule', thePath) | L{PythonPath} implements the C{in} operator so that when it is the
right-hand argument and the name of a module which does not exist on
that L{PythonPath} is the left-hand argument, the result is C{False}. | test_doesntContainModule | python | wistbean/learn_python3_spider | stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_modules.py | https://github.com/wistbean/learn_python3_spider/blob/master/stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_modules.py | MIT |
def test_service(self):
"""
L{strports.service} returns a L{StreamServerEndpointService}
constructed with an endpoint produced from
L{endpoint.serverFromString}, using the same syntax.
"""
reactor = object() # the cake is a lie
aFactory = Factory()
aGoodPort = 1337
svc = strports.service(
'tcp:' + str(aGoodPort), aFactory, reactor=reactor)
self.assertIsInstance(svc, internet.StreamServerEndpointService)
# See twisted.application.test.test_internet.EndpointServiceTests.
# test_synchronousRaiseRaisesSynchronously
self.assertTrue(svc._raiseSynchronously)
self.assertIsInstance(svc.endpoint, TCP4ServerEndpoint)
# Maybe we should implement equality for endpoints.
self.assertEqual(svc.endpoint._port, aGoodPort)
self.assertIs(svc.factory, aFactory)
self.assertIs(svc.endpoint._reactor, reactor) | L{strports.service} returns a L{StreamServerEndpointService}
constructed with an endpoint produced from
L{endpoint.serverFromString}, using the same syntax. | test_service | python | wistbean/learn_python3_spider | stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_strports.py | https://github.com/wistbean/learn_python3_spider/blob/master/stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_strports.py | MIT |
def test_serviceDefaultReactor(self):
"""
L{strports.service} will use the default reactor when none is provided
as an argument.
"""
from twisted.internet import reactor as globalReactor
aService = strports.service("tcp:80", None)
self.assertIs(aService.endpoint._reactor, globalReactor) | L{strports.service} will use the default reactor when none is provided
as an argument. | test_serviceDefaultReactor | python | wistbean/learn_python3_spider | stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_strports.py | https://github.com/wistbean/learn_python3_spider/blob/master/stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_strports.py | MIT |
def test_connectingCancelledError(self):
"""
L{error.ConnectingCancelledError} has an C{address} attribute.
"""
address = object()
e = error.ConnectingCancelledError(address)
self.assertIs(e.address, address) | L{error.ConnectingCancelledError} has an C{address} attribute. | test_connectingCancelledError | python | wistbean/learn_python3_spider | stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_error.py | https://github.com/wistbean/learn_python3_spider/blob/master/stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_error.py | MIT |
def test_connectionLostSubclassOfConnectionClosed(self):
"""
L{error.ConnectionClosed} is a superclass of L{error.ConnectionLost}.
"""
self.assertTrue(issubclass(error.ConnectionLost,
error.ConnectionClosed)) | L{error.ConnectionClosed} is a superclass of L{error.ConnectionLost}. | test_connectionLostSubclassOfConnectionClosed | python | wistbean/learn_python3_spider | stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_error.py | https://github.com/wistbean/learn_python3_spider/blob/master/stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_error.py | MIT |
def test_connectionDoneSubclassOfConnectionClosed(self):
"""
L{error.ConnectionClosed} is a superclass of L{error.ConnectionDone}.
"""
self.assertTrue(issubclass(error.ConnectionDone,
error.ConnectionClosed)) | L{error.ConnectionClosed} is a superclass of L{error.ConnectionDone}. | test_connectionDoneSubclassOfConnectionClosed | python | wistbean/learn_python3_spider | stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_error.py | https://github.com/wistbean/learn_python3_spider/blob/master/stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_error.py | MIT |
def test_invalidAddressErrorSubclassOfValueError(self):
"""
L{ValueError} is a superclass of L{error.InvalidAddressError}.
"""
self.assertTrue(issubclass(error.InvalidAddressError,
ValueError)) | L{ValueError} is a superclass of L{error.InvalidAddressError}. | test_invalidAddressErrorSubclassOfValueError | python | wistbean/learn_python3_spider | stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_error.py | https://github.com/wistbean/learn_python3_spider/blob/master/stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_error.py | MIT |
def assertErrnoException(self, errno, expectedClass):
"""
When called with a tuple with the given errno,
L{error.getConnectError} returns an exception which is an instance of
the expected class.
"""
e = (errno, "lalala")
result = error.getConnectError(e)
self.assertCorrectException(errno, "lalala", result, expectedClass) | When called with a tuple with the given errno,
L{error.getConnectError} returns an exception which is an instance of
the expected class. | assertErrnoException | python | wistbean/learn_python3_spider | stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_error.py | https://github.com/wistbean/learn_python3_spider/blob/master/stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_error.py | MIT |
def assertCorrectException(self, errno, message, result, expectedClass):
"""
The given result of L{error.getConnectError} has the given attributes
(C{osError} and C{args}), and is an instance of the given class.
"""
# Want exact class match, not inherited classes, so no isinstance():
self.assertEqual(result.__class__, expectedClass)
self.assertEqual(result.osError, errno)
self.assertEqual(result.args, (message,)) | The given result of L{error.getConnectError} has the given attributes
(C{osError} and C{args}), and is an instance of the given class. | assertCorrectException | python | wistbean/learn_python3_spider | stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_error.py | https://github.com/wistbean/learn_python3_spider/blob/master/stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_error.py | MIT |
def test_errno(self):
"""
L{error.getConnectError} converts based on errno for C{socket.error}.
"""
self.assertErrnoException(errno.ENETUNREACH, error.NoRouteError)
self.assertErrnoException(errno.ECONNREFUSED, error.ConnectionRefusedError)
self.assertErrnoException(errno.ETIMEDOUT, error.TCPTimedOutError)
if platformType == "win32":
self.assertErrnoException(errno.WSAECONNREFUSED, error.ConnectionRefusedError)
self.assertErrnoException(errno.WSAENETUNREACH, error.NoRouteError) | L{error.getConnectError} converts based on errno for C{socket.error}. | test_errno | python | wistbean/learn_python3_spider | stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_error.py | https://github.com/wistbean/learn_python3_spider/blob/master/stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_error.py | MIT |
def test_gaierror(self):
"""
L{error.getConnectError} converts to a L{error.UnknownHostError} given
a C{socket.gaierror} instance.
"""
result = error.getConnectError(socket.gaierror(12, "hello"))
self.assertCorrectException(12, "hello", result, error.UnknownHostError) | L{error.getConnectError} converts to a L{error.UnknownHostError} given
a C{socket.gaierror} instance. | test_gaierror | python | wistbean/learn_python3_spider | stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_error.py | https://github.com/wistbean/learn_python3_spider/blob/master/stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_error.py | MIT |
def test_nonTuple(self):
"""
L{error.getConnectError} converts to a L{error.ConnectError} given
an argument that cannot be unpacked.
"""
e = Exception()
result = error.getConnectError(e)
self.assertCorrectException(None, e, result, error.ConnectError) | L{error.getConnectError} converts to a L{error.ConnectError} given
an argument that cannot be unpacked. | test_nonTuple | python | wistbean/learn_python3_spider | stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_error.py | https://github.com/wistbean/learn_python3_spider/blob/master/stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_error.py | MIT |
def test_wordCount(self):
"""
Compare the number of words.
"""
words = []
for line in self.output:
words.extend(line.split())
wordCount = len(words)
sampleTextWordCount = len(self.sampleSplitText)
self.assertEqual(wordCount, sampleTextWordCount) | Compare the number of words. | test_wordCount | python | wistbean/learn_python3_spider | stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_text.py | https://github.com/wistbean/learn_python3_spider/blob/master/stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_text.py | MIT |
def test_wordMatch(self):
"""
Compare the lists of words.
"""
words = []
for line in self.output:
words.extend(line.split())
# Using assertEqual here prints out some
# rather too long lists.
self.assertTrue(self.sampleSplitText == words) | Compare the lists of words. | test_wordMatch | python | wistbean/learn_python3_spider | stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_text.py | https://github.com/wistbean/learn_python3_spider/blob/master/stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_text.py | MIT |
def test_lineLength(self):
"""
Check the length of the lines.
"""
failures = []
for line in self.output:
if not len(line) <= self.lineWidth:
failures.append(len(line))
if failures:
self.fail("%d of %d lines were too long.\n"
"%d < %s" % (len(failures), len(self.output),
self.lineWidth, failures)) | Check the length of the lines. | test_lineLength | python | wistbean/learn_python3_spider | stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_text.py | https://github.com/wistbean/learn_python3_spider/blob/master/stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_text.py | MIT |
def test_doubleNewline(self):
"""
Allow paragraphs delimited by two \ns.
"""
sampleText = "et\n\nphone\nhome."
result = text.wordWrap(sampleText, self.lineWidth)
self.assertEqual(result, ["et", "", "phone home.", ""]) | Allow paragraphs delimited by two \ns. | test_doubleNewline | python | wistbean/learn_python3_spider | stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_text.py | https://github.com/wistbean/learn_python3_spider/blob/master/stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_text.py | MIT |
def test_isMultiline(self):
"""
L{text.isMultiline} returns C{True} if the string has a newline in it.
"""
s = 'This code\n "breaks."'
m = text.isMultiline(s)
self.assertTrue(m)
s = 'This code does not "break."'
m = text.isMultiline(s)
self.assertFalse(m) | L{text.isMultiline} returns C{True} if the string has a newline in it. | test_isMultiline | python | wistbean/learn_python3_spider | stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_text.py | https://github.com/wistbean/learn_python3_spider/blob/master/stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_text.py | MIT |
def test_endsInNewline(self):
"""
L{text.endsInNewline} returns C{True} if the string ends in a newline.
"""
s = 'newline\n'
m = text.endsInNewline(s)
self.assertTrue(m)
s = 'oldline'
m = text.endsInNewline(s)
self.assertFalse(m) | L{text.endsInNewline} returns C{True} if the string ends in a newline. | test_endsInNewline | python | wistbean/learn_python3_spider | stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_text.py | https://github.com/wistbean/learn_python3_spider/blob/master/stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_text.py | MIT |
def test_tuple(self):
"""
Tuple elements are displayed on separate lines.
"""
s = ('a', 'b')
m = text.stringyString(s)
self.assertEqual(m, '(a,\n b,)\n') | Tuple elements are displayed on separate lines. | test_tuple | python | wistbean/learn_python3_spider | stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_text.py | https://github.com/wistbean/learn_python3_spider/blob/master/stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_text.py | MIT |
def test_dict(self):
"""
Dicts elements are displayed using C{str()}.
"""
s = {'a': 0}
m = text.stringyString(s)
self.assertEqual(m, '{a: 0}') | Dicts elements are displayed using C{str()}. | test_dict | python | wistbean/learn_python3_spider | stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_text.py | https://github.com/wistbean/learn_python3_spider/blob/master/stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_text.py | MIT |
def test_list(self):
"""
List elements are displayed on separate lines using C{str()}.
"""
s = ['a', 'b']
m = text.stringyString(s)
self.assertEqual(m, '[a,\n b,]\n') | List elements are displayed on separate lines using C{str()}. | test_list | python | wistbean/learn_python3_spider | stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_text.py | https://github.com/wistbean/learn_python3_spider/blob/master/stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_text.py | MIT |
def test_oneWord(self):
"""
Splitting strings with one-word phrases.
"""
s = 'This code "works."'
r = text.splitQuoted(s)
self.assertEqual(['This', 'code', 'works.'], r) | Splitting strings with one-word phrases. | test_oneWord | python | wistbean/learn_python3_spider | stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_text.py | https://github.com/wistbean/learn_python3_spider/blob/master/stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_text.py | MIT |
def setUp(self):
"""
Create an ident client used in tests.
"""
self.client = ident.IdentClient() | Create an ident client used in tests. | setUp | python | wistbean/learn_python3_spider | stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_ident.py | https://github.com/wistbean/learn_python3_spider/blob/master/stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_ident.py | MIT |
def test_indentError(self):
"""
'UNKNOWN-ERROR' error should map to the L{ident.IdentError} exception.
"""
d = defer.Deferred()
self.client.queries.append((d, 123, 456))
self.client.lineReceived('123, 456 : ERROR : UNKNOWN-ERROR')
return self.assertFailure(d, ident.IdentError) | 'UNKNOWN-ERROR' error should map to the L{ident.IdentError} exception. | test_indentError | python | wistbean/learn_python3_spider | stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_ident.py | https://github.com/wistbean/learn_python3_spider/blob/master/stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_ident.py | MIT |
def test_noUSerError(self):
"""
'NO-USER' error should map to the L{ident.NoUser} exception.
"""
d = defer.Deferred()
self.client.queries.append((d, 234, 456))
self.client.lineReceived('234, 456 : ERROR : NO-USER')
return self.assertFailure(d, ident.NoUser) | 'NO-USER' error should map to the L{ident.NoUser} exception. | test_noUSerError | python | wistbean/learn_python3_spider | stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_ident.py | https://github.com/wistbean/learn_python3_spider/blob/master/stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_ident.py | MIT |
def test_invalidPortError(self):
"""
'INVALID-PORT' error should map to the L{ident.InvalidPort} exception.
"""
d = defer.Deferred()
self.client.queries.append((d, 345, 567))
self.client.lineReceived('345, 567 : ERROR : INVALID-PORT')
return self.assertFailure(d, ident.InvalidPort) | 'INVALID-PORT' error should map to the L{ident.InvalidPort} exception. | test_invalidPortError | python | wistbean/learn_python3_spider | stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_ident.py | https://github.com/wistbean/learn_python3_spider/blob/master/stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_ident.py | MIT |
def test_hiddenUserError(self):
"""
'HIDDEN-USER' error should map to the L{ident.HiddenUser} exception.
"""
d = defer.Deferred()
self.client.queries.append((d, 567, 789))
self.client.lineReceived('567, 789 : ERROR : HIDDEN-USER')
return self.assertFailure(d, ident.HiddenUser) | 'HIDDEN-USER' error should map to the L{ident.HiddenUser} exception. | test_hiddenUserError | python | wistbean/learn_python3_spider | stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_ident.py | https://github.com/wistbean/learn_python3_spider/blob/master/stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_ident.py | MIT |
def test_lostConnection(self):
"""
A pending query which failed because of a ConnectionLost should
receive an L{ident.IdentError}.
"""
d = defer.Deferred()
self.client.queries.append((d, 765, 432))
self.client.connectionLost(failure.Failure(error.ConnectionLost()))
return self.assertFailure(d, ident.IdentError) | A pending query which failed because of a ConnectionLost should
receive an L{ident.IdentError}. | test_lostConnection | python | wistbean/learn_python3_spider | stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_ident.py | https://github.com/wistbean/learn_python3_spider/blob/master/stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_ident.py | MIT |
def mocked_open(*args, **kwargs):
"""
Mock for the open call to prevent actually opening /proc/net/tcp.
"""
open_calls.append((args, kwargs))
return NativeStringIO(self.sampleFile) | Mock for the open call to prevent actually opening /proc/net/tcp. | testLookupProcNetTcp.mocked_open | python | wistbean/learn_python3_spider | stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_ident.py | https://github.com/wistbean/learn_python3_spider/blob/master/stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_ident.py | MIT |
def testLookupProcNetTcp(self):
"""
L{ident.ProcServerMixin.lookup} uses the Linux TCP process table.
"""
open_calls = []
def mocked_open(*args, **kwargs):
"""
Mock for the open call to prevent actually opening /proc/net/tcp.
"""
open_calls.append((args, kwargs))
return NativeStringIO(self.sampleFile)
self.patch(builtins, 'open', mocked_open)
p = ident.ProcServerMixin()
self.assertRaises(ident.NoUser, p.lookup, ('127.0.0.1', 26),
('1.2.3.4', 762))
self.assertEqual([(('/proc/net/tcp',), {})], open_calls) | L{ident.ProcServerMixin.lookup} uses the Linux TCP process table. | testLookupProcNetTcp | python | wistbean/learn_python3_spider | stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_ident.py | https://github.com/wistbean/learn_python3_spider/blob/master/stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_ident.py | MIT |
def getDivisionFailure(*args, **kwargs):
"""
Make a C{Failure} of a divide-by-zero error.
@param args: Any C{*args} are passed to Failure's constructor.
@param kwargs: Any C{**kwargs} are passed to Failure's constructor.
"""
try:
1/0
except:
f = failure.Failure(*args, **kwargs)
return f | Make a C{Failure} of a divide-by-zero error.
@param args: Any C{*args} are passed to Failure's constructor.
@param kwargs: Any C{**kwargs} are passed to Failure's constructor. | getDivisionFailure | python | wistbean/learn_python3_spider | stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_failure.py | https://github.com/wistbean/learn_python3_spider/blob/master/stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_failure.py | MIT |
def test_failAndTrap(self):
"""
Trapping a L{Failure}.
"""
try:
raise NotImplementedError('test')
except:
f = failure.Failure()
error = f.trap(SystemExit, RuntimeError)
self.assertEqual(error, RuntimeError)
self.assertEqual(f.type, NotImplementedError) | Trapping a L{Failure}. | test_failAndTrap | python | wistbean/learn_python3_spider | stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_failure.py | https://github.com/wistbean/learn_python3_spider/blob/master/stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_failure.py | MIT |
def test_trapRaisesWrappedException(self):
"""
If the wrapped C{Exception} is not a subclass of one of the
expected types, L{failure.Failure.trap} raises the wrapped
C{Exception}.
"""
if not _PY3:
raise SkipTest(
"""
Only expected behaviour on Python 3.
@see U{http://twisted.readthedocs.io/en/latest/core/howto/python3.html#twisted-python-failure}
"""
)
exception = ValueError()
try:
raise exception
except:
f = failure.Failure()
untrapped = self.assertRaises(ValueError, f.trap, OverflowError)
self.assertIs(exception, untrapped) | If the wrapped C{Exception} is not a subclass of one of the
expected types, L{failure.Failure.trap} raises the wrapped
C{Exception}. | test_trapRaisesWrappedException | python | wistbean/learn_python3_spider | stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_failure.py | https://github.com/wistbean/learn_python3_spider/blob/master/stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_failure.py | MIT |
def test_trapRaisesSelf(self):
"""
If the wrapped C{Exception} is not a subclass of one of the
expected types, L{failure.Failure.trap} raises itself.
"""
if _PY3:
raise SkipTest(
"""
Only expected behaviour on Python 2.
@see U{http://twisted.readthedocs.io/en/latest/core/howto/python3.html#twisted-python-failure}
"""
)
exception = ValueError()
try:
raise exception
except:
f = failure.Failure()
untrapped = self.assertRaises(failure.Failure, f.trap, OverflowError)
self.assertIs(f, untrapped) | If the wrapped C{Exception} is not a subclass of one of the
expected types, L{failure.Failure.trap} raises itself. | test_trapRaisesSelf | python | wistbean/learn_python3_spider | stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_failure.py | https://github.com/wistbean/learn_python3_spider/blob/master/stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_failure.py | MIT |
def test_failureValueFromFailure(self):
"""
A L{failure.Failure} constructed from another
L{failure.Failure} instance, has its C{value} property set to
the value of that L{failure.Failure} instance.
"""
exception = ValueError()
f1 = failure.Failure(exception)
f2 = failure.Failure(f1)
self.assertIs(f2.value, exception) | A L{failure.Failure} constructed from another
L{failure.Failure} instance, has its C{value} property set to
the value of that L{failure.Failure} instance. | test_failureValueFromFailure | python | wistbean/learn_python3_spider | stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_failure.py | https://github.com/wistbean/learn_python3_spider/blob/master/stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_failure.py | MIT |
def test_failureValueFromFoundFailure(self):
"""
A L{failure.Failure} constructed without a C{exc_value}
argument, will search for an "original" C{Failure}, and if
found, its value will be used as the value for the new
C{Failure}.
"""
exception = ValueError()
f1 = failure.Failure(exception)
try:
f1.trap(OverflowError)
except:
f2 = failure.Failure()
self.assertIs(f2.value, exception) | A L{failure.Failure} constructed without a C{exc_value}
argument, will search for an "original" C{Failure}, and if
found, its value will be used as the value for the new
C{Failure}. | test_failureValueFromFoundFailure | python | wistbean/learn_python3_spider | stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_failure.py | https://github.com/wistbean/learn_python3_spider/blob/master/stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_failure.py | MIT |
def assertStartsWith(self, s, prefix):
"""
Assert that C{s} starts with a particular C{prefix}.
@param s: The input string.
@type s: C{str}
@param prefix: The string that C{s} should start with.
@type prefix: C{str}
"""
self.assertTrue(s.startswith(prefix),
'%r is not the start of %r' % (prefix, s)) | Assert that C{s} starts with a particular C{prefix}.
@param s: The input string.
@type s: C{str}
@param prefix: The string that C{s} should start with.
@type prefix: C{str} | assertStartsWith | python | wistbean/learn_python3_spider | stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_failure.py | https://github.com/wistbean/learn_python3_spider/blob/master/stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_failure.py | MIT |
def assertEndsWith(self, s, suffix):
"""
Assert that C{s} end with a particular C{suffix}.
@param s: The input string.
@type s: C{str}
@param suffix: The string that C{s} should end with.
@type suffix: C{str}
"""
self.assertTrue(s.endswith(suffix),
'%r is not the end of %r' % (suffix, s)) | Assert that C{s} end with a particular C{suffix}.
@param s: The input string.
@type s: C{str}
@param suffix: The string that C{s} should end with.
@type suffix: C{str} | assertEndsWith | python | wistbean/learn_python3_spider | stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_failure.py | https://github.com/wistbean/learn_python3_spider/blob/master/stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_failure.py | MIT |
def assertTracebackFormat(self, tb, prefix, suffix):
"""
Assert that the C{tb} traceback contains a particular C{prefix} and
C{suffix}.
@param tb: The traceback string.
@type tb: C{str}
@param prefix: The string that C{tb} should start with.
@type prefix: C{str}
@param suffix: The string that C{tb} should end with.
@type suffix: C{str}
"""
self.assertStartsWith(tb, prefix)
self.assertEndsWith(tb, suffix) | Assert that the C{tb} traceback contains a particular C{prefix} and
C{suffix}.
@param tb: The traceback string.
@type tb: C{str}
@param prefix: The string that C{tb} should start with.
@type prefix: C{str}
@param suffix: The string that C{tb} should end with.
@type suffix: C{str} | assertTracebackFormat | python | wistbean/learn_python3_spider | stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_failure.py | https://github.com/wistbean/learn_python3_spider/blob/master/stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_failure.py | MIT |
def assertDetailedTraceback(self, captureVars=False, cleanFailure=False):
"""
Assert that L{printDetailedTraceback} produces and prints a detailed
traceback.
The detailed traceback consists of a header::
*--- Failure #20 ---
The body contains the stacktrace::
/twisted/trial/_synctest.py:1180: _run(...)
/twisted/python/util.py:1076: runWithWarningsSuppressed(...)
--- <exception caught here> ---
/twisted/test/test_failure.py:39: getDivisionFailure(...)
If C{captureVars} is enabled the body also includes a list of
globals and locals::
[ Locals ]
exampleLocalVar : 'xyz'
...
( Globals )
...
Or when C{captureVars} is disabled::
[Capture of Locals and Globals disabled (use captureVars=True)]
When C{cleanFailure} is enabled references to other objects are removed
and replaced with strings.
And finally the footer with the L{Failure}'s value::
exceptions.ZeroDivisionError: float division
*--- End of Failure #20 ---
@param captureVars: Enables L{Failure.captureVars}.
@type captureVars: C{bool}
@param cleanFailure: Enables L{Failure.cleanFailure}.
@type cleanFailure: C{bool}
"""
if captureVars:
exampleLocalVar = 'xyz'
# Silence the linter as this variable is checked via
# the traceback.
exampleLocalVar
f = getDivisionFailure(captureVars=captureVars)
out = NativeStringIO()
if cleanFailure:
f.cleanFailure()
f.printDetailedTraceback(out)
tb = out.getvalue()
start = "*--- Failure #%d%s---\n" % (f.count,
(f.pickled and ' (pickled) ') or ' ')
end = "%s: %s\n*--- End of Failure #%s ---\n" % (reflect.qual(f.type),
reflect.safe_str(f.value), f.count)
self.assertTracebackFormat(tb, start, end)
# Variables are printed on lines with 2 leading spaces.
linesWithVars = [line for line in tb.splitlines()
if line.startswith(' ')]
if captureVars:
self.assertNotEqual([], linesWithVars)
if cleanFailure:
line = ' exampleLocalVar : "\'xyz\'"'
else:
line = " exampleLocalVar : 'xyz'"
self.assertIn(line, linesWithVars)
else:
self.assertEqual([], linesWithVars)
self.assertIn(' [Capture of Locals and Globals disabled (use '
'captureVars=True)]\n', tb) | Assert that L{printDetailedTraceback} produces and prints a detailed
traceback.
The detailed traceback consists of a header::
*--- Failure #20 ---
The body contains the stacktrace::
/twisted/trial/_synctest.py:1180: _run(...)
/twisted/python/util.py:1076: runWithWarningsSuppressed(...)
--- <exception caught here> ---
/twisted/test/test_failure.py:39: getDivisionFailure(...)
If C{captureVars} is enabled the body also includes a list of
globals and locals::
[ Locals ]
exampleLocalVar : 'xyz'
...
( Globals )
...
Or when C{captureVars} is disabled::
[Capture of Locals and Globals disabled (use captureVars=True)]
When C{cleanFailure} is enabled references to other objects are removed
and replaced with strings.
And finally the footer with the L{Failure}'s value::
exceptions.ZeroDivisionError: float division
*--- End of Failure #20 ---
@param captureVars: Enables L{Failure.captureVars}.
@type captureVars: C{bool}
@param cleanFailure: Enables L{Failure.cleanFailure}.
@type cleanFailure: C{bool} | assertDetailedTraceback | python | wistbean/learn_python3_spider | stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_failure.py | https://github.com/wistbean/learn_python3_spider/blob/master/stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_failure.py | MIT |
def assertBriefTraceback(self, captureVars=False):
"""
Assert that L{printBriefTraceback} produces and prints a brief
traceback.
The brief traceback consists of a header::
Traceback: <type 'exceptions.ZeroDivisionError'>: float division
The body with the stacktrace::
/twisted/trial/_synctest.py:1180:_run
/twisted/python/util.py:1076:runWithWarningsSuppressed
And the footer::
--- <exception caught here> ---
/twisted/test/test_failure.py:39:getDivisionFailure
@param captureVars: Enables L{Failure.captureVars}.
@type captureVars: C{bool}
"""
if captureVars:
exampleLocalVar = 'abcde'
# Silence the linter as this variable is checked via
# the traceback.
exampleLocalVar
f = getDivisionFailure()
out = NativeStringIO()
f.printBriefTraceback(out)
tb = out.getvalue()
stack = ''
for method, filename, lineno, localVars, globalVars in f.frames:
stack += '%s:%s:%s\n' % (filename, lineno, method)
zde = repr(ZeroDivisionError)
self.assertTracebackFormat(tb,
"Traceback: %s: " % (zde,),
"%s\n%s" % (failure.EXCEPTION_CAUGHT_HERE, stack))
if captureVars:
self.assertIsNone(re.search('exampleLocalVar.*abcde', tb)) | Assert that L{printBriefTraceback} produces and prints a brief
traceback.
The brief traceback consists of a header::
Traceback: <type 'exceptions.ZeroDivisionError'>: float division
The body with the stacktrace::
/twisted/trial/_synctest.py:1180:_run
/twisted/python/util.py:1076:runWithWarningsSuppressed
And the footer::
--- <exception caught here> ---
/twisted/test/test_failure.py:39:getDivisionFailure
@param captureVars: Enables L{Failure.captureVars}.
@type captureVars: C{bool} | assertBriefTraceback | python | wistbean/learn_python3_spider | stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_failure.py | https://github.com/wistbean/learn_python3_spider/blob/master/stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_failure.py | MIT |
def assertDefaultTraceback(self, captureVars=False):
"""
Assert that L{printTraceback} produces and prints a default traceback.
The default traceback consists of a header::
Traceback (most recent call last):
The body with traceback::
File "/twisted/trial/_synctest.py", line 1180, in _run
runWithWarningsSuppressed(suppress, method)
And the footer::
--- <exception caught here> ---
File "twisted/test/test_failure.py", line 39, in getDivisionFailure
1/0
exceptions.ZeroDivisionError: float division
@param captureVars: Enables L{Failure.captureVars}.
@type captureVars: C{bool}
"""
if captureVars:
exampleLocalVar = 'xyzzy'
# Silence the linter as this variable is checked via
# the traceback.
exampleLocalVar
f = getDivisionFailure(captureVars=captureVars)
out = NativeStringIO()
f.printTraceback(out)
tb = out.getvalue()
stack = ''
for method, filename, lineno, localVars, globalVars in f.frames:
stack += ' File "%s", line %s, in %s\n' % (filename, lineno,
method)
stack += ' %s\n' % (linecache.getline(
filename, lineno).strip(),)
self.assertTracebackFormat(tb,
"Traceback (most recent call last):",
"%s\n%s%s: %s\n" % (failure.EXCEPTION_CAUGHT_HERE, stack,
reflect.qual(f.type), reflect.safe_str(f.value)))
if captureVars:
self.assertIsNone(re.search('exampleLocalVar.*xyzzy', tb)) | Assert that L{printTraceback} produces and prints a default traceback.
The default traceback consists of a header::
Traceback (most recent call last):
The body with traceback::
File "/twisted/trial/_synctest.py", line 1180, in _run
runWithWarningsSuppressed(suppress, method)
And the footer::
--- <exception caught here> ---
File "twisted/test/test_failure.py", line 39, in getDivisionFailure
1/0
exceptions.ZeroDivisionError: float division
@param captureVars: Enables L{Failure.captureVars}.
@type captureVars: C{bool} | assertDefaultTraceback | python | wistbean/learn_python3_spider | stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_failure.py | https://github.com/wistbean/learn_python3_spider/blob/master/stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_failure.py | MIT |
def test_printDetailedTraceback(self):
"""
L{printDetailedTraceback} returns a detailed traceback including the
L{Failure}'s count.
"""
self.assertDetailedTraceback() | L{printDetailedTraceback} returns a detailed traceback including the
L{Failure}'s count. | test_printDetailedTraceback | python | wistbean/learn_python3_spider | stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_failure.py | https://github.com/wistbean/learn_python3_spider/blob/master/stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_failure.py | MIT |
def test_printBriefTraceback(self):
"""
L{printBriefTraceback} returns a brief traceback.
"""
self.assertBriefTraceback() | L{printBriefTraceback} returns a brief traceback. | test_printBriefTraceback | python | wistbean/learn_python3_spider | stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_failure.py | https://github.com/wistbean/learn_python3_spider/blob/master/stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_failure.py | MIT |
def test_printTraceback(self):
"""
L{printTraceback} returns a traceback.
"""
self.assertDefaultTraceback() | L{printTraceback} returns a traceback. | test_printTraceback | python | wistbean/learn_python3_spider | stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_failure.py | https://github.com/wistbean/learn_python3_spider/blob/master/stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_failure.py | MIT |
def test_printDetailedTracebackCapturedVars(self):
"""
L{printDetailedTraceback} captures the locals and globals for its
stack frames and adds them to the traceback, when called on a
L{Failure} constructed with C{captureVars=True}.
"""
self.assertDetailedTraceback(captureVars=True) | L{printDetailedTraceback} captures the locals and globals for its
stack frames and adds them to the traceback, when called on a
L{Failure} constructed with C{captureVars=True}. | test_printDetailedTracebackCapturedVars | python | wistbean/learn_python3_spider | stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_failure.py | https://github.com/wistbean/learn_python3_spider/blob/master/stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_failure.py | MIT |
def test_printBriefTracebackCapturedVars(self):
"""
L{printBriefTraceback} returns a brief traceback when called on a
L{Failure} constructed with C{captureVars=True}.
Local variables on the stack can not be seen in the resulting
traceback.
"""
self.assertBriefTraceback(captureVars=True) | L{printBriefTraceback} returns a brief traceback when called on a
L{Failure} constructed with C{captureVars=True}.
Local variables on the stack can not be seen in the resulting
traceback. | test_printBriefTracebackCapturedVars | python | wistbean/learn_python3_spider | stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_failure.py | https://github.com/wistbean/learn_python3_spider/blob/master/stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_failure.py | MIT |
def test_printTracebackCapturedVars(self):
"""
L{printTraceback} returns a traceback when called on a L{Failure}
constructed with C{captureVars=True}.
Local variables on the stack can not be seen in the resulting
traceback.
"""
self.assertDefaultTraceback(captureVars=True) | L{printTraceback} returns a traceback when called on a L{Failure}
constructed with C{captureVars=True}.
Local variables on the stack can not be seen in the resulting
traceback. | test_printTracebackCapturedVars | python | wistbean/learn_python3_spider | stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_failure.py | https://github.com/wistbean/learn_python3_spider/blob/master/stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_failure.py | MIT |
def test_printDetailedTracebackCapturedVarsCleaned(self):
"""
C{printDetailedTraceback} includes information about local variables on
the stack after C{cleanFailure} has been called.
"""
self.assertDetailedTraceback(captureVars=True, cleanFailure=True) | C{printDetailedTraceback} includes information about local variables on
the stack after C{cleanFailure} has been called. | test_printDetailedTracebackCapturedVarsCleaned | python | wistbean/learn_python3_spider | stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_failure.py | https://github.com/wistbean/learn_python3_spider/blob/master/stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_failure.py | MIT |
def test_invalidFormatFramesDetail(self):
"""
L{failure.format_frames} raises a L{ValueError} if the supplied
C{detail} level is unknown.
"""
self.assertRaises(ValueError, failure.format_frames, None, None,
detail='noisia') | L{failure.format_frames} raises a L{ValueError} if the supplied
C{detail} level is unknown. | test_invalidFormatFramesDetail | python | wistbean/learn_python3_spider | stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_failure.py | https://github.com/wistbean/learn_python3_spider/blob/master/stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_failure.py | MIT |
def test_stringExceptionConstruction(self):
"""
Constructing a C{Failure} with a string as its exception value raises
a C{TypeError}, as this is no longer supported as of Python 2.6.
"""
exc = self.assertRaises(TypeError, failure.Failure, "ono!")
self.assertIn("Strings are not supported by Failure", str(exc)) | Constructing a C{Failure} with a string as its exception value raises
a C{TypeError}, as this is no longer supported as of Python 2.6. | test_stringExceptionConstruction | python | wistbean/learn_python3_spider | stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_failure.py | https://github.com/wistbean/learn_python3_spider/blob/master/stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_failure.py | MIT |
def test_ConstructionFails(self):
"""
Creating a Failure with no arguments causes it to try to discover the
current interpreter exception state. If no such state exists, creating
the Failure should raise a synchronous exception.
"""
if sys.version_info < (3, 0):
sys.exc_clear()
self.assertRaises(failure.NoCurrentExceptionError, failure.Failure) | Creating a Failure with no arguments causes it to try to discover the
current interpreter exception state. If no such state exists, creating
the Failure should raise a synchronous exception. | test_ConstructionFails | python | wistbean/learn_python3_spider | stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_failure.py | https://github.com/wistbean/learn_python3_spider/blob/master/stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_failure.py | MIT |
def test_getTracebackObject(self):
"""
If the C{Failure} has not been cleaned, then C{getTracebackObject}
returns the traceback object that captured in its constructor.
"""
f = getDivisionFailure()
self.assertEqual(f.getTracebackObject(), f.tb) | If the C{Failure} has not been cleaned, then C{getTracebackObject}
returns the traceback object that captured in its constructor. | test_getTracebackObject | python | wistbean/learn_python3_spider | stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_failure.py | https://github.com/wistbean/learn_python3_spider/blob/master/stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_failure.py | MIT |
def test_getTracebackObjectFromCaptureVars(self):
"""
C{captureVars=True} has no effect on the result of
C{getTracebackObject}.
"""
try:
1/0
except ZeroDivisionError:
noVarsFailure = failure.Failure()
varsFailure = failure.Failure(captureVars=True)
self.assertEqual(noVarsFailure.getTracebackObject(), varsFailure.tb) | C{captureVars=True} has no effect on the result of
C{getTracebackObject}. | test_getTracebackObjectFromCaptureVars | python | wistbean/learn_python3_spider | stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_failure.py | https://github.com/wistbean/learn_python3_spider/blob/master/stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_failure.py | MIT |
def test_getTracebackObjectFromClean(self):
"""
If the Failure has been cleaned, then C{getTracebackObject} returns an
object that looks the same to L{traceback.extract_tb}.
"""
f = getDivisionFailure()
expected = traceback.extract_tb(f.getTracebackObject())
f.cleanFailure()
observed = traceback.extract_tb(f.getTracebackObject())
self.assertIsNotNone(expected)
self.assertEqual(expected, observed) | If the Failure has been cleaned, then C{getTracebackObject} returns an
object that looks the same to L{traceback.extract_tb}. | test_getTracebackObjectFromClean | python | wistbean/learn_python3_spider | stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_failure.py | https://github.com/wistbean/learn_python3_spider/blob/master/stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_failure.py | MIT |
def test_getTracebackObjectFromCaptureVarsAndClean(self):
"""
If the Failure was created with captureVars, then C{getTracebackObject}
returns an object that looks the same to L{traceback.extract_tb}.
"""
f = getDivisionFailure(captureVars=True)
expected = traceback.extract_tb(f.getTracebackObject())
f.cleanFailure()
observed = traceback.extract_tb(f.getTracebackObject())
self.assertEqual(expected, observed) | If the Failure was created with captureVars, then C{getTracebackObject}
returns an object that looks the same to L{traceback.extract_tb}. | test_getTracebackObjectFromCaptureVarsAndClean | python | wistbean/learn_python3_spider | stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_failure.py | https://github.com/wistbean/learn_python3_spider/blob/master/stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_failure.py | MIT |
def test_getTracebackObjectWithoutTraceback(self):
"""
L{failure.Failure}s need not be constructed with traceback objects. If
a C{Failure} has no traceback information at all, C{getTracebackObject}
just returns None.
None is a good value, because traceback.extract_tb(None) -> [].
"""
f = failure.Failure(Exception("some error"))
self.assertIsNone(f.getTracebackObject()) | L{failure.Failure}s need not be constructed with traceback objects. If
a C{Failure} has no traceback information at all, C{getTracebackObject}
just returns None.
None is a good value, because traceback.extract_tb(None) -> []. | test_getTracebackObjectWithoutTraceback | python | wistbean/learn_python3_spider | stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_failure.py | https://github.com/wistbean/learn_python3_spider/blob/master/stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_failure.py | MIT |
def test_tracebackFromExceptionInPython3(self):
"""
If a L{failure.Failure} is constructed with an exception but no
traceback in Python 3, the traceback will be extracted from the
exception's C{__traceback__} attribute.
"""
try:
1/0
except:
klass, exception, tb = sys.exc_info()
f = failure.Failure(exception)
self.assertIs(f.tb, tb) | If a L{failure.Failure} is constructed with an exception but no
traceback in Python 3, the traceback will be extracted from the
exception's C{__traceback__} attribute. | test_tracebackFromExceptionInPython3 | python | wistbean/learn_python3_spider | stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_failure.py | https://github.com/wistbean/learn_python3_spider/blob/master/stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_failure.py | MIT |
def test_cleanFailureRemovesTracebackInPython3(self):
"""
L{failure.Failure.cleanFailure} sets the C{__traceback__} attribute of
the exception to L{None} in Python 3.
"""
f = getDivisionFailure()
self.assertIsNotNone(f.tb)
self.assertIs(f.value.__traceback__, f.tb)
f.cleanFailure()
self.assertIsNone(f.value.__traceback__) | L{failure.Failure.cleanFailure} sets the C{__traceback__} attribute of
the exception to L{None} in Python 3. | test_cleanFailureRemovesTracebackInPython3 | python | wistbean/learn_python3_spider | stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_failure.py | https://github.com/wistbean/learn_python3_spider/blob/master/stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_failure.py | MIT |
def test_repr(self):
"""
The C{repr} of a L{failure.Failure} shows the type and string
representation of the underlying exception.
"""
f = getDivisionFailure()
typeName = reflect.fullyQualifiedName(ZeroDivisionError)
self.assertEqual(
repr(f),
'<twisted.python.failure.Failure '
'%s: division by zero>' % (typeName,)) | The C{repr} of a L{failure.Failure} shows the type and string
representation of the underlying exception. | test_repr | python | wistbean/learn_python3_spider | stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_failure.py | https://github.com/wistbean/learn_python3_spider/blob/master/stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_failure.py | MIT |
def _brokenValueTest(self, detail):
"""
Construct a L{Failure} with an exception that raises an exception from
its C{__str__} method and then call C{getTraceback} with the specified
detail and verify that it returns a string.
"""
x = BrokenStr()
f = failure.Failure(x)
traceback = f.getTraceback(detail=detail)
self.assertIsInstance(traceback, str) | Construct a L{Failure} with an exception that raises an exception from
its C{__str__} method and then call C{getTraceback} with the specified
detail and verify that it returns a string. | _brokenValueTest | python | wistbean/learn_python3_spider | stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_failure.py | https://github.com/wistbean/learn_python3_spider/blob/master/stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_failure.py | MIT |
def test_brokenValueBriefDetail(self):
"""
A L{Failure} might wrap an exception with a C{__str__} method which
raises an exception. In this case, calling C{getTraceback} on the
failure with the C{"brief"} detail does not raise an exception.
"""
self._brokenValueTest("brief") | A L{Failure} might wrap an exception with a C{__str__} method which
raises an exception. In this case, calling C{getTraceback} on the
failure with the C{"brief"} detail does not raise an exception. | test_brokenValueBriefDetail | python | wistbean/learn_python3_spider | stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_failure.py | https://github.com/wistbean/learn_python3_spider/blob/master/stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_failure.py | MIT |
def test_brokenValueDefaultDetail(self):
"""
Like test_brokenValueBriefDetail, but for the C{"default"} detail case.
"""
self._brokenValueTest("default") | Like test_brokenValueBriefDetail, but for the C{"default"} detail case. | test_brokenValueDefaultDetail | python | wistbean/learn_python3_spider | stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_failure.py | https://github.com/wistbean/learn_python3_spider/blob/master/stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_failure.py | MIT |
def test_brokenValueVerboseDetail(self):
"""
Like test_brokenValueBriefDetail, but for the C{"default"} detail case.
"""
self._brokenValueTest("verbose") | Like test_brokenValueBriefDetail, but for the C{"default"} detail case. | test_brokenValueVerboseDetail | python | wistbean/learn_python3_spider | stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_failure.py | https://github.com/wistbean/learn_python3_spider/blob/master/stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_failure.py | MIT |
def _brokenTypeTest(self, detail):
"""
Construct a L{Failure} with an exception type that raises an exception
from its C{__str__} method and then call C{getTraceback} with the
specified detail and verify that it returns a string.
"""
f = failure.Failure(BrokenExceptionType())
traceback = f.getTraceback(detail=detail)
self.assertIsInstance(traceback, str) | Construct a L{Failure} with an exception type that raises an exception
from its C{__str__} method and then call C{getTraceback} with the
specified detail and verify that it returns a string. | _brokenTypeTest | python | wistbean/learn_python3_spider | stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_failure.py | https://github.com/wistbean/learn_python3_spider/blob/master/stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_failure.py | MIT |
def test_brokenTypeBriefDetail(self):
"""
A L{Failure} might wrap an exception the type object of which has a
C{__str__} method which raises an exception. In this case, calling
C{getTraceback} on the failure with the C{"brief"} detail does not raise
an exception.
"""
self._brokenTypeTest("brief") | A L{Failure} might wrap an exception the type object of which has a
C{__str__} method which raises an exception. In this case, calling
C{getTraceback} on the failure with the C{"brief"} detail does not raise
an exception. | test_brokenTypeBriefDetail | python | wistbean/learn_python3_spider | stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_failure.py | https://github.com/wistbean/learn_python3_spider/blob/master/stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_failure.py | MIT |
def test_brokenTypeDefaultDetail(self):
"""
Like test_brokenTypeBriefDetail, but for the C{"default"} detail case.
"""
self._brokenTypeTest("default") | Like test_brokenTypeBriefDetail, but for the C{"default"} detail case. | test_brokenTypeDefaultDetail | python | wistbean/learn_python3_spider | stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_failure.py | https://github.com/wistbean/learn_python3_spider/blob/master/stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_failure.py | MIT |
def test_brokenTypeVerboseDetail(self):
"""
Like test_brokenTypeBriefDetail, but for the C{"verbose"} detail case.
"""
self._brokenTypeTest("verbose") | Like test_brokenTypeBriefDetail, but for the C{"verbose"} detail case. | test_brokenTypeVerboseDetail | python | wistbean/learn_python3_spider | stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_failure.py | https://github.com/wistbean/learn_python3_spider/blob/master/stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_failure.py | MIT |
def test_findNoFailureInExceptionHandler(self):
"""
Within an exception handler, _findFailure should return
L{None} in case no Failure is associated with the current
exception.
"""
try:
1/0
except:
self.assertIsNone(failure.Failure._findFailure())
else:
self.fail("No exception raised from 1/0!?") | Within an exception handler, _findFailure should return
L{None} in case no Failure is associated with the current
exception. | test_findNoFailureInExceptionHandler | python | wistbean/learn_python3_spider | stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_failure.py | https://github.com/wistbean/learn_python3_spider/blob/master/stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_failure.py | MIT |
def test_findNoFailure(self):
"""
Outside of an exception handler, _findFailure should return None.
"""
if sys.version_info < (3, 0):
sys.exc_clear()
self.assertIsNone(sys.exc_info()[-1]) #environment sanity check
self.assertIsNone(failure.Failure._findFailure()) | Outside of an exception handler, _findFailure should return None. | test_findNoFailure | python | wistbean/learn_python3_spider | stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_failure.py | https://github.com/wistbean/learn_python3_spider/blob/master/stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_failure.py | MIT |
def test_findFailure(self):
"""
Within an exception handler, it should be possible to find the
original Failure that caused the current exception (if it was
caused by raiseException).
"""
f = getDivisionFailure()
f.cleanFailure()
try:
f.raiseException()
except:
self.assertEqual(failure.Failure._findFailure(), f)
else:
self.fail("No exception raised from raiseException!?") | Within an exception handler, it should be possible to find the
original Failure that caused the current exception (if it was
caused by raiseException). | test_findFailure | python | wistbean/learn_python3_spider | stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_failure.py | https://github.com/wistbean/learn_python3_spider/blob/master/stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_failure.py | MIT |
def test_failureConstructionFindsOriginalFailure(self):
"""
When a Failure is constructed in the context of an exception
handler that is handling an exception raised by
raiseException, the new Failure should be chained to that
original Failure.
Means the new failure should still show the same origin frame,
but with different complete stack trace (as not thrown at same place).
"""
f = getDivisionFailure()
f.cleanFailure()
try:
f.raiseException()
except:
newF = failure.Failure()
tb = f.getTraceback().splitlines()
new_tb = newF.getTraceback().splitlines()
self.assertNotEqual(tb, new_tb)
self.assertEqual(tb[-3:], new_tb[-3:])
else:
self.fail("No exception raised from raiseException!?") | When a Failure is constructed in the context of an exception
handler that is handling an exception raised by
raiseException, the new Failure should be chained to that
original Failure.
Means the new failure should still show the same origin frame,
but with different complete stack trace (as not thrown at same place). | test_failureConstructionFindsOriginalFailure | python | wistbean/learn_python3_spider | stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_failure.py | https://github.com/wistbean/learn_python3_spider/blob/master/stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_failure.py | MIT |
def test_failureConstructionWithMungedStackSucceeds(self):
"""
Pyrex and Cython are known to insert fake stack frames so as to give
more Python-like tracebacks. These stack frames with empty code objects
should not break extraction of the exception.
"""
try:
raiser.raiseException()
except raiser.RaiserException:
f = failure.Failure()
self.assertTrue(f.check(raiser.RaiserException))
else:
self.fail("No exception raised from extension?!") | Pyrex and Cython are known to insert fake stack frames so as to give
more Python-like tracebacks. These stack frames with empty code objects
should not break extraction of the exception. | test_failureConstructionWithMungedStackSucceeds | python | wistbean/learn_python3_spider | stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_failure.py | https://github.com/wistbean/learn_python3_spider/blob/master/stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_failure.py | MIT |
def test_singleFrame(self):
"""
A C{_Traceback} object constructed with a single frame should be able
to be passed to L{traceback.extract_tb}, and we should get a singleton
list containing a (filename, lineno, methodname, line) tuple.
"""
tb = failure._Traceback([], [['method', 'filename.py', 123, {}, {}]])
# Note that we don't need to test that extract_tb correctly extracts
# the line's contents. In this case, since filename.py doesn't exist,
# it will just use None.
self.assertEqual(traceback.extract_tb(tb),
[_tb('filename.py', 123, 'method', None)]) | A C{_Traceback} object constructed with a single frame should be able
to be passed to L{traceback.extract_tb}, and we should get a singleton
list containing a (filename, lineno, methodname, line) tuple. | test_singleFrame | python | wistbean/learn_python3_spider | stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_failure.py | https://github.com/wistbean/learn_python3_spider/blob/master/stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_failure.py | MIT |
def test_manyFrames(self):
"""
A C{_Traceback} object constructed with multiple frames should be able
to be passed to L{traceback.extract_tb}, and we should get a list
containing a tuple for each frame.
"""
tb = failure._Traceback([
['caller1', 'filename.py', 7, {}, {}],
['caller2', 'filename.py', 8, {}, {}],
], [
['method1', 'filename.py', 123, {}, {}],
['method2', 'filename.py', 235, {}, {}],
])
self.assertEqual(traceback.extract_tb(tb),
[_tb('filename.py', 123, 'method1', None),
_tb('filename.py', 235, 'method2', None)])
# We should also be able to extract_stack on it
self.assertEqual(traceback.extract_stack(tb.tb_frame),
[_tb('filename.py', 7, 'caller1', None),
_tb('filename.py', 8, 'caller2', None),
_tb('filename.py', 123, 'method1', None),
]) | A C{_Traceback} object constructed with multiple frames should be able
to be passed to L{traceback.extract_tb}, and we should get a list
containing a tuple for each frame. | test_manyFrames | python | wistbean/learn_python3_spider | stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_failure.py | https://github.com/wistbean/learn_python3_spider/blob/master/stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_failure.py | MIT |
def test_fakeFrameAttributes(self):
"""
L{_Frame} instances have the C{f_globals} and C{f_locals} attributes
bound to C{dict} instance. They also have the C{f_code} attribute
bound to something like a code object.
"""
frame = failure._Frame(
("dummyname", "dummyfilename", None, None, None), None
)
self.assertIsInstance(frame.f_globals, dict)
self.assertIsInstance(frame.f_locals, dict)
self.assertIsInstance(frame.f_code, failure._Code) | L{_Frame} instances have the C{f_globals} and C{f_locals} attributes
bound to C{dict} instance. They also have the C{f_code} attribute
bound to something like a code object. | test_fakeFrameAttributes | python | wistbean/learn_python3_spider | stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_failure.py | https://github.com/wistbean/learn_python3_spider/blob/master/stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_failure.py | MIT |
def setUp(self):
"""
Override pdb.post_mortem so we can make sure it's called.
"""
# Make sure any changes we make are reversed:
post_mortem = pdb.post_mortem
origInit = failure.Failure.__init__
def restore():
pdb.post_mortem = post_mortem
failure.Failure.__init__ = origInit
self.addCleanup(restore)
self.result = []
pdb.post_mortem = self.result.append
failure.startDebugMode() | Override pdb.post_mortem so we can make sure it's called. | setUp | python | wistbean/learn_python3_spider | stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_failure.py | https://github.com/wistbean/learn_python3_spider/blob/master/stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_failure.py | MIT |
def test_regularFailure(self):
"""
If startDebugMode() is called, calling Failure() will first call
pdb.post_mortem with the traceback.
"""
try:
1/0
except:
typ, exc, tb = sys.exc_info()
f = failure.Failure()
self.assertEqual(self.result, [tb])
self.assertFalse(f.captureVars) | If startDebugMode() is called, calling Failure() will first call
pdb.post_mortem with the traceback. | test_regularFailure | python | wistbean/learn_python3_spider | stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_failure.py | https://github.com/wistbean/learn_python3_spider/blob/master/stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_failure.py | MIT |
def test_captureVars(self):
"""
If startDebugMode() is called, passing captureVars to Failure() will
not blow up.
"""
try:
1/0
except:
typ, exc, tb = sys.exc_info()
f = failure.Failure(captureVars=True)
self.assertEqual(self.result, [tb])
self.assertTrue(f.captureVars) | If startDebugMode() is called, passing captureVars to Failure() will
not blow up. | test_captureVars | python | wistbean/learn_python3_spider | stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_failure.py | https://github.com/wistbean/learn_python3_spider/blob/master/stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_failure.py | MIT |
def test_throwExceptionIntoGenerator(self):
"""
It should be possible to throw the exception that a Failure
represents into a generator.
"""
stuff = []
def generator():
try:
yield
except:
stuff.append(sys.exc_info())
else:
self.fail("Yield should have yielded exception.")
g = generator()
f = getDivisionFailure()
next(g)
self._throwIntoGenerator(f, g)
self.assertEqual(stuff[0][0], ZeroDivisionError)
self.assertIsInstance(stuff[0][1], ZeroDivisionError)
self.assertEqual(traceback.extract_tb(stuff[0][2])[-1][-1], "1/0") | It should be possible to throw the exception that a Failure
represents into a generator. | test_throwExceptionIntoGenerator | python | wistbean/learn_python3_spider | stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_failure.py | https://github.com/wistbean/learn_python3_spider/blob/master/stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_failure.py | MIT |
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