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import py
import errno
def test_error_classes():
for name in errno.errorcode.values():
x = getattr(py.error, name)
assert issubclass(x, py.error.Error)
assert issubclass(x, EnvironmentError)
def test_picklability_issue1():
e1 = py.error.ENOENT()
s = py.std.pickle.dumps(e1)
e2 = py.std.pickle.loads(s)
assert isinstance(e2, py.error.ENOENT)
def test_unknown_error():
num = 3999
cls = py.error._geterrnoclass(num)
assert cls.__name__ == 'UnknownErrno%d' % (num,)
assert issubclass(cls, py.error.Error)
assert issubclass(cls, EnvironmentError)
cls2 = py.error._geterrnoclass(num)
assert cls is cls2
def test_error_conversion_ENOTDIR(testdir):
p = testdir.makepyfile("")
excinfo = py.test.raises(py.error.Error, py.error.checked_call, p.listdir)
assert isinstance(excinfo.value, EnvironmentError)
assert isinstance(excinfo.value, py.error.Error)
assert "ENOTDIR" in repr(excinfo.value)
def test_checked_call_supports_kwargs(tmpdir):
import tempfile
py.error.checked_call(tempfile.mkdtemp, dir=str(tmpdir))
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