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# coding=utf-8
import errno
import os
import pytest
import library.python.strings
import library.python.windows
def gen_error_access_denied():
if library.python.windows.on_win():
err = WindowsError()
err.errno = errno.EACCES
err.strerror = ''
err.winerror = library.python.windows.ERRORS['ACCESS_DENIED']
else:
err = OSError()
err.errno = errno.EACCES
err.strerror = os.strerror(err.errno)
err.filename = 'unknown/file'
raise err
def test_errorfix_buggy():
@library.python.windows.errorfix
def erroneous_func():
gen_error_access_denied()
with pytest.raises(OSError) as errinfo:
erroneous_func()
assert errinfo.value.errno == errno.EACCES
assert errinfo.value.filename == 'unknown/file'
assert isinstance(errinfo.value.strerror, basestring)
assert errinfo.value.strerror
def test_errorfix_explicit():
@library.python.windows.errorfix
def erroneous_func():
if library.python.windows.on_win():
err = WindowsError()
err.winerror = library.python.windows.ERRORS['ACCESS_DENIED']
else:
err = OSError()
err.errno = errno.EACCES
err.strerror = 'Some error description'
err.filename = 'unknown/file'
raise err
with pytest.raises(OSError) as errinfo:
erroneous_func()
assert errinfo.value.errno == errno.EACCES
assert errinfo.value.filename == 'unknown/file'
assert errinfo.value.strerror == 'Some error description'
def test_errorfix_decoding_cp1251():
@library.python.windows.errorfix
def erroneous_func():
model_msg = u'Какое-то описание ошибки'
if library.python.windows.on_win():
err = WindowsError()
err.strerror = library.python.strings.to_str(model_msg, 'cp1251')
else:
err = OSError()
err.strerror = library.python.strings.to_str(model_msg)
raise err
with pytest.raises(OSError) as errinfo:
erroneous_func()
error_msg = errinfo.value.strerror
if not isinstance(errinfo.value.strerror, unicode):
error_msg = library.python.strings.to_unicode(error_msg)
assert error_msg == u'Какое-то описание ошибки'
def test_diehard():
@library.python.windows.diehard(library.python.windows.ERRORS['ACCESS_DENIED'], tries=5)
def erroneous_func(errors):
try:
gen_error_access_denied()
except Exception as e:
errors.append(e)
raise
raised_errors = []
with pytest.raises(OSError) as errinfo:
erroneous_func(raised_errors)
assert errinfo.value.errno == errno.EACCES
assert any(e.errno == errno.EACCES for e in raised_errors)
assert raised_errors and errinfo.value == raised_errors[-1]
if library.python.windows.on_win():
assert len(raised_errors) == 5
else:
assert len(raised_errors) == 1
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