def unsets_aliases(self):
ad = AliasDict()
ad['realkey'] = 'value'
ad.alias('myalias', to='realkey')
eq_(ad['myalias'], 'value')
ad.unalias('myalias')
assert 'myalias' not in ad
def allows_aliasing_of_multiple_target_keys(self):
ad = AliasDict()
ad.alias(from_='myalias', to=('key1', 'key2'))
ad['key1'] = ad['key2'] = False
assert not ad['key1']
ad['myalias'] = True
assert ad['key1'] and ad['key2']
def _recursive_aliases(self):
ad = AliasDict()
ad.alias('alias1', to='realkey')
ad.alias('alias2', to='alias1')
ad['alias2'] = 'value'
assert ad['alias1'] == ad['alias2'] == ad['realkey'] == 'value'
return ad
def key_deletion(self):
ad = AliasDict()
ad.alias('myalias', to='realkey')
ad['realkey'] = 'value'
assert 'realkey' in ad
del ad['myalias']
assert 'realkey' not in ad
assert 'myalias' not in ad
def caused_by_removal_of_target_key(self):
# TODO: this test probably false-passes if any line but the last
# raises KeyError by accident...
ad = AliasDict()
ad.alias('myalias', to='realkey')
ad['realkey'] = 'value'
assert 'realkey' in ad
eq_(ad['myalias'], 'value')
del ad['realkey']
ad['myalias']
def deepcopy_copies_aliases_correctly(self):
a1 = AliasDict({'key1': 'val1', 'key2': 'val2'})
a1.alias('myalias', to='key1')
eq_(a1['myalias'], 'val1')
a2 = copy.deepcopy(a1)
assert 'key1' in a2
eq_(a2['key2'], 'val2')
a1.unalias('myalias')
assert 'myalias' not in a1
assert 'myalias' in a2
eq_(a2['myalias'], 'val1')
def raise_KeyError_on_access(self):
ad = AliasDict()
ad.alias('myalias', to='realkey')
assert 'realkey' not in ad
ad['myalias']
def access_to_multi_target_aliases_is_undefined(self):
ad = AliasDict()
ad.alias('myalias', to=('key1', 'key2'))
ad['key1'] = ad['key2'] = 5
ad['myalias']
def membership_tests(self):
ad = AliasDict()
ad.alias('myalias', to='realkey')
ad['realkey'] = 'value'
assert 'myalias' in ad
def setup(self):
self.ad = AliasDict()
def raises_KeyError_on_nonexistent_alias(self):
ad = AliasDict()
ad.unalias('lol no')
def setup(self):
self.a = AliasDict({'key1': 'val1', 'key2': 'val2'})
self.a.alias('myalias', 'key1')
def allows_aliasing_of_single_target_key(self):
ad = AliasDict()
ad.alias(from_='myalias', to='realkey')
ad['realkey'] = 'value'
eq_(ad['myalias'], 'value')
