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import os
import sys
import unittest
import test.support
import email
from test.test_email import __file__ as landmark
# used by regrtest and __main__.
def test_main():
here = os.path.dirname(__file__)
# Unittest mucks with the path, so we have to save and restore
# it to keep regrtest happy.
savepath = sys.path[:]
test.support._run_suite(unittest.defaultTestLoader.discover(here))
sys.path[:] = savepath
# helper code used by a number of test modules.
def openfile(filename, *args, **kws):
path = os.path.join(os.path.dirname(landmark), 'data', filename)
return open(path, *args, **kws)
# Base test class
class TestEmailBase(unittest.TestCase):
def __init__(self, *args, **kw):
super().__init__(*args, **kw)
self.addTypeEqualityFunc(bytes, self.assertBytesEqual)
def ndiffAssertEqual(self, first, second):
"""Like assertEqual except use ndiff for readable output."""
if first != second:
sfirst = str(first)
ssecond = str(second)
rfirst = [repr(line) for line in sfirst.splitlines()]
rsecond = [repr(line) for line in ssecond.splitlines()]
diff = difflib.ndiff(rfirst, rsecond)
raise self.failureException(NL + NL.join(diff))
def _msgobj(self, filename):
with openfile(filename) as fp:
return email.message_from_file(fp)
def _bytes_repr(self, b):
return [repr(x) for x in b.splitlines(True)]
def assertBytesEqual(self, first, second, msg):
"""Our byte strings are really encoded strings; improve diff output"""
self.assertEqual(self._bytes_repr(first), self._bytes_repr(second))
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