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#!/usr/bin/python -u
#
# this test exercise the XPath basic engine, parser, etc, and
# allows to detect memory leaks
#
import sys
import libxml2
instance="""<?xml version="1.0"?>
<tag xmlns:foo='urn:foo' xmlns:bar='urn:bar' xmlns:baz='urn:baz' />"""
def namespaceDefs(node):
n = node.nsDefs()
while n:
yield n
n = n.next
def checkNamespaceDefs(node, count):
nsList = list(namespaceDefs(node))
#print nsList
if len(nsList) != count :
raise Exception("Error: saw %d namespace declarations. Expected %d" % (len(nsList), count))
# Memory debug specific
libxml2.debugMemory(1)
# Remove single namespace
doc = libxml2.parseDoc(instance)
node = doc.getRootElement()
checkNamespaceDefs(node, 3)
ns = node.removeNsDef('urn:bar')
checkNamespaceDefs(node, 2)
ns.freeNsList()
doc.freeDoc()
# Remove all namespaces
doc = libxml2.parseDoc(instance)
node = doc.getRootElement()
checkNamespaceDefs(node, 3)
ns = node.removeNsDef(None)
checkNamespaceDefs(node, 0)
ns.freeNsList()
doc.freeDoc()
# Remove a namespace refered to by a child
doc = libxml2.newDoc("1.0")
root = doc.newChild(None, "root", None)
namespace = root.newNs("http://example.com/sample", "s")
child = root.newChild(namespace, "child", None)
root.removeNsDef("http://example.com/sample")
doc.reconciliateNs(root)
namespace.freeNsList()
doc.serialize() # This should not segfault
doc.freeDoc()
# Memory debug specific
libxml2.cleanupParser()
if libxml2.debugMemory(1) == 0:
print("OK")
else:
print("Memory leak %d bytes" % (libxml2.debugMemory(1)))
libxml2.dumpMemory()
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