def assertIdentity(self, query):
input_query = parseString(query)
result_query = CqlIdentityVisitor(input_query).visit()
self.assertEqual(input_query, result_query)
input_ids = set(id(n) for n in allnodes(input_query))
result_ids = set(id(n) for n in allnodes(result_query))
self.assertEqual(0, len(input_ids.intersection(result_ids)),
'Expected new ast to be a deepcopy.')
def visitTERM(self, node):
if node.children[0] == self._oldTerm:
return node.__class__(self._newTerm)
return CqlIdentityVisitor.visitTERM(self, node)
def doVisit():
for i in range(10):
CqlIdentityVisitor(p).visit()
def __init__(self, ast, oldTerm, newTerm):
CqlIdentityVisitor.__init__(self, ast)
self._oldTerm = oldTerm
self._newTerm = newTerm
def visitINDEX(self, node):
indexTerm = node.children[0].children[0]
if indexTerm in self._mapping:
return INDEX(TERM(self._mapping[indexTerm]))
return CqlIdentityVisitor.visitINDEX(self, node)
def __init__(self, ast, mapping):
CqlIdentityVisitor.__init__(self, ast)
self._mapping = mapping
def visitTERM(self, node):
if node.children[0] == self._oldTerm:
return node.__class__(self._newTerm)
return CqlIdentityVisitor.visitTERM(self, node)
def __init__(self, ast, oldTerm, newTerm):
CqlIdentityVisitor.__init__(self, ast)
self._oldTerm = oldTerm
self._newTerm = newTerm