def _cache_control__get(self):
     """
     Get/set/modify the Cache-Control header (section `14.9
     <http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html#sec14.9>`_)
     """
     value = self.headers.get('cache-control', '')
     if self._cache_control_obj is None:
         self._cache_control_obj = CacheControl.parse(value, updates_to=self._update_cache_control, type='response')
         self._cache_control_obj.header_value = value
     if self._cache_control_obj.header_value != value:
         new_obj = CacheControl.parse(value, type='response')
         self._cache_control_obj.properties.clear()
         self._cache_control_obj.properties.update(new_obj.properties)
         self._cache_control_obj.header_value = value
     return self._cache_control_obj

 def test_parse_valueerror_int(self):
     from webob.cachecontrol import CacheControl
     def foo(arg):
         return {'a': 1}
     cc = CacheControl.parse("public, max-age=abc")
     assert type(cc) == CacheControl
     assert cc.max_age == 'abc'

 def test_parse_updates_to(self):
     from webob.cachecontrol import CacheControl
     def foo(arg):
         return {'a': 1}
     cc = CacheControl.parse("public, max-age=315360000", updates_to=foo)
     assert type(cc) == CacheControl
     assert cc.max_age == 315360000

 def _cache_control__get(self):
     """
     Get/set/modify the Cache-Control header (section `14.9
     <http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html#sec14.9>`_)
     """
     env = self.environ
     value = env.get('HTTP_CACHE_CONTROL', '')
     cache_header, cache_obj = env.get('webob._cache_control', (None, None))
     if cache_obj is not None and cache_header == value:
         return cache_obj
     cache_obj = CacheControl.parse(value, type='request')
     env['webob._cache_control'] = (value, cache_obj)
     return cache_obj

 def _cache_control__get(self):
     """
     Get/set/modify the Cache-Control header (`HTTP spec section 14.9
     <http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html#sec14.9>`_)
     """
     env = self.environ
     value = env.get("HTTP_CACHE_CONTROL", "")
     cache_header, cache_obj = env.get("webob._cache_control", (None, None))
     if cache_obj is not None and cache_header == value:
         return cache_obj
     cache_obj = CacheControl.parse(value, updates_to=self._update_cache_control, type="request")
     env["webob._cache_control"] = (value, cache_obj)
     return cache_obj

 def _cache_control__set(self, value):
     # This actually becomes a copy
     if not value:
         value = ""
     if isinstance(value, dict):
         value = CacheControl(value, 'response')
     if isinstance(value, text_type):
         value = str(value)
     if isinstance(value, str):
         if self._cache_control_obj is None:
             self.headers['Cache-Control'] = value
             return
         value = CacheControl.parse(value, 'response')
     cache = self.cache_control
     cache.properties.clear()
     cache.properties.update(value.properties)

def test_cache_control_object_max_age_None():
    from webob.cachecontrol import CacheControl
    cc = CacheControl({}, 'a')
    cc.properties['max-age'] = None
    eq_(cc.max_age, -1)

 def test_parse_valueerror_int(self):
     from webob.cachecontrol import CacheControl
     def foo(arg): return { 'a' : 1 }
     cc = CacheControl.parse("public, max-age=abc")
     self.assertEquals(type(cc), CacheControl)
     self.assertEquals(cc.max_age, 'abc')

 def test_parse_updates_to(self):
     from webob.cachecontrol import CacheControl
     def foo(arg): return { 'a' : 1 }
     cc = CacheControl.parse("public, max-age=315360000", updates_to=foo)
     self.assertEquals(type(cc), CacheControl)
     self.assertEquals(cc.max_age, 315360000)

 def test_parse(self):
     from webob.cachecontrol import CacheControl
     cc = CacheControl.parse("public, max-age=315360000")
     self.assertEquals(type(cc), CacheControl)
     self.assertEquals(cc.max_age, 315360000)
     self.assertEquals(cc.public, True)

def test_copy_cc():
    from webob.cachecontrol import CacheControl
    cc = CacheControl({'header':'%', "msg":'arewerichyet?'}, 'request')
    cc2 = cc.copy()
    assert cc.properties is not cc2.properties
    assert cc.type is cc2.type

 def test_parse(self):
     from webob.cachecontrol import CacheControl
     cc = CacheControl.parse("public, max-age=315360000")
     assert type(cc) == CacheControl
     assert cc.max_age == 315360000
     assert cc.public is True