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import unittest
from nose.config import Config
from nose.plugins.deprecated import Deprecated, DeprecatedTest
from nose.result import TextTestResult, _TextTestResult
from StringIO import StringIO
from optparse import OptionParser
try:
# 2.7+
from unittest.runner import _WritelnDecorator
except ImportError:
from unittest import _WritelnDecorator
class TestDeprecatedPlugin(unittest.TestCase):
def test_api_present(self):
sk = Deprecated()
sk.addOptions
sk.configure
sk.prepareTestResult
def test_prepare_patches_result(self):
stream = _WritelnDecorator(StringIO())
res = _TextTestResult(stream, 0, 1)
sk = Deprecated()
sk.prepareTestResult(res)
res._orig_addError
res._orig_printErrors
res._orig_wasSuccessful
res.deprecated
self.assertEqual(
res.errorClasses,
{DeprecatedTest: (res.deprecated, 'DEPRECATED', False)})
# result w/out print works too
res = unittest.TestResult()
sk = Deprecated()
sk.prepareTestResult(res)
res._orig_addError
res.deprecated
self.assertEqual(
res.errorClasses,
{DeprecatedTest: (res.deprecated, 'DEPRECATED', False)})
def test_patched_result_handles_deprecated(self):
res = unittest.TestResult()
sk = Deprecated()
sk.prepareTestResult(res)
class TC(unittest.TestCase):
def test(self):
raise DeprecatedTest('deprecated me')
test = TC('test')
test(res)
assert not res.errors, "Deprecated was not caught: %s" % res.errors
assert res.deprecated
assert res.deprecated[0][0] is test
def test_patches_only_when_needed(self):
class NoPatch(unittest.TestResult):
def __init__(self):
self.errorClasses = {}
res = NoPatch()
sk = Deprecated()
sk.prepareTestResult(res)
assert not hasattr(res, '_orig_addError'), \
"Deprecated patched a result class it didn't need to patch"
def test_deprecated_output(self):
class TC(unittest.TestCase):
def test(self):
raise DeprecatedTest('deprecated me')
stream = _WritelnDecorator(StringIO())
res = _TextTestResult(stream, 0, 1)
sk = Deprecated()
sk.prepareTestResult(res)
test = TC('test')
test(res)
assert not res.errors, "Deprecated was not caught: %s" % res.errors
assert res.deprecated
res.printErrors()
out = stream.getvalue()
assert out
assert out.strip() == "D"
assert res.wasSuccessful()
def test_deprecated_output_verbose(self):
class TC(unittest.TestCase):
def test(self):
raise DeprecatedTest('deprecated me too')
stream = _WritelnDecorator(StringIO())
res = _TextTestResult(stream, 0, verbosity=2)
sk = Deprecated()
sk.prepareTestResult(res)
test = TC('test')
test(res)
assert not res.errors, "Deprecated was not caught: %s" % res.errors
assert res.deprecated
res.printErrors()
out = stream.getvalue()
print out
assert out
assert ' ... DEPRECATED' in out
assert 'deprecated me too' in out
def test_enabled_by_default(self):
sk = Deprecated()
assert sk.enabled, "Deprecated was not enabled by default"
def test_can_be_disabled(self):
parser = OptionParser()
sk = Deprecated()
sk.addOptions(parser)
options, args = parser.parse_args(['--no-deprecated'])
sk.configure(options, Config())
assert not sk.enabled, \
"Deprecated was not disabled by noDeprecated option"
if __name__ == '__main__':
unittest.main()
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