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import unittest
from webob.response import Response
class Test_warn_deprecation(unittest.TestCase):
def setUp(self):
import warnings
self.oldwarn = warnings.warn
warnings.warn = self._warn
self.warnings = []
def tearDown(self):
import warnings
warnings.warn = self.oldwarn
del self.warnings
def _callFUT(self, text, version, stacklevel):
from webob.util import warn_deprecation
return warn_deprecation(text, version, stacklevel)
def _warn(self, text, type, stacklevel=1):
self.warnings.append(locals())
def test_multidict_update_warning(self):
# test warning when duplicate keys are passed
r = Response()
r.headers.update([
('Set-Cookie', 'a=b'),
('Set-Cookie', 'x=y'),
])
self.assertEqual(len(self.warnings), 1)
deprecation_warning = self.warnings[0]
self.assertEqual(deprecation_warning['type'], UserWarning)
assert 'Consider using .extend()' in deprecation_warning['text']
def test_multidict_update_warning_unnecessary(self):
# no warning on normal operation
r = Response()
r.headers.update([('Set-Cookie', 'a=b')])
self.assertEqual(len(self.warnings), 0)
def test_warn_deprecation(self):
v = '1.3.0'
from webob.util import warn_deprecation
self.assertRaises(DeprecationWarning, warn_deprecation, 'foo', v[:3], 1)
def test_warn_deprecation_future_version(self):
v = '9.9.9'
from webob.util import warn_deprecation
warn_deprecation('foo', v[:3], 1)
self.assertEqual(len(self.warnings), 1)
class Test_strings_differ(unittest.TestCase):
def _callFUT(self, *args, **kw):
from webob.util import strings_differ
return strings_differ(*args, **kw)
def test_it(self):
self.assertFalse(self._callFUT(b'foo', b'foo'))
self.assertTrue(self._callFUT(b'123', b'345'))
self.assertTrue(self._callFUT(b'1234', b'123'))
self.assertTrue(self._callFUT(b'123', b'1234'))
def test_it_with_internal_comparator(self):
result = self._callFUT(b'foo', b'foo', compare_digest=None)
self.assertFalse(result)
result = self._callFUT(b'123', b'abc', compare_digest=None)
self.assertTrue(result)
def test_it_with_external_comparator(self):
class DummyComparator(object):
called = False
def __init__(self, ret_val):
self.ret_val = ret_val
def __call__(self, a, b):
self.called = True
return self.ret_val
dummy_compare = DummyComparator(True)
result = self._callFUT(b'foo', b'foo', compare_digest=dummy_compare)
self.assertTrue(dummy_compare.called)
self.assertFalse(result)
dummy_compare = DummyComparator(False)
result = self._callFUT(b'123', b'345', compare_digest=dummy_compare)
self.assertTrue(dummy_compare.called)
self.assertTrue(result)
dummy_compare = DummyComparator(False)
result = self._callFUT(b'abc', b'abc', compare_digest=dummy_compare)
self.assertTrue(dummy_compare.called)
self.assertTrue(result)
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