#!/usr/bin/python
# -*- coding: UTF-8 -*-

import unittest
import libxml2
from pyxmpp import xmlextra
from stream_reader import xml_elements_equal

input_xml = """<?xml version="1.0" ?>
<root xmlns="http://pyxmpp.jajcus.net/xmlns/test" xmlns:prefix="http://pyxmpp.jajcus.net/xmlns/test1">
   <a> <a1/> <a2/> </a>
   <b xmlns="http://pyxmpp.jajcus.net/xmlns/test2">
     <c/>
     <prefix:d/>
     <g xmlns="http://pyxmpp.jajcus.net/xmlns/test3" type="ble"/>
   </b>
   <prefix:e/>
   <f/>
</root>
"""
input_doc = libxml2.parseDoc(input_xml)
input_root = input_doc.getRootElement()

input_xml2 = """<?xml version="1.0" ?>
<root xmlns:prefix="http://pyxmpp.jajcus.net/xmlns/test1">
   <a> <a1/> <a2/> </a>
   <b xmlns="http://pyxmpp.jajcus.net/xmlns/test2">
     <c/>
     <prefix:d/>
     <g xmlns="http://pyxmpp.jajcus.net/xmlns/test3" type="ble"/>
   </b>
   <prefix:e/>
   <f/>
</root>
"""
input_doc2 = libxml2.parseDoc(input_xml2)
input_root2 = input_doc2.getRootElement()


output_xml = """<?xml version="1.0" ?>
<root xmlns="http://pyxmpp.jajcus.net/xmlns/common" xmlns:prefix="http://pyxmpp.jajcus.net/xmlns/test1">
   <a> <a1/> <a2/> </a>
   <b xmlns="http://pyxmpp.jajcus.net/xmlns/test2">
     <c/>
     <prefix:d/>
     <g xmlns="http://pyxmpp.jajcus.net/xmlns/test3" type="ble"/>
   </b>
   <prefix:e/>
   <f/>
</root>
"""
output_doc = libxml2.parseDoc(output_xml)
output_root = output_doc.getRootElement()


class TestReplaceNs(unittest.TestCase):
    def test_replace_ns(self):
        doc = libxml2.newDoc("1.0")

        root = doc.newChild(None, "root", None)
        common_ns = root.newNs(xmlextra.COMMON_NS, None)
        root.setNs(common_ns)
        doc.setRootElement(root)

        n = input_doc.getRootElement()
        try:
            input_ns = n.ns()
        except libxml2.treeError:
            input_ns = None
        n = n.children
        while n:
            n1 = n.docCopyNode(doc, 1)
            root.addChild(n1)
            if n1.type == 'element':
                try:
                    n1_ns = n1.ns()
                except libxml2.treeError:
                    ns1_ns = None
                if n1_ns.content == input_ns.content:
                    xmlextra.replace_ns(n1, n1_ns, common_ns)
            n = n.next
        self.failUnless(xml_elements_equal(root, output_root))

    def test_replace_null_ns(self):
        doc = libxml2.newDoc("1.0")

        root = doc.newChild(None, "root", None)
        common_ns = root.newNs(xmlextra.COMMON_NS, None)
        root.setNs(common_ns)
        doc.setRootElement(root)

        n = input_doc2.getRootElement()
        try:
            input_ns = n.ns()
        except libxml2.treeError:
            input_ns = None
        n = n.children
        while n:
            n1 = n.docCopyNode(doc, 1)
            root.addChild(n1)
            if n1.type == 'element':
                try:
                    n1_ns = n1.ns()
                except libxml2.treeError:
                    n1_ns = None
                if n1_ns is None:
                    xmlextra.replace_ns(n1, n1_ns, common_ns)
            n = n.next
        self.failUnless(xml_elements_equal(root, output_root))

    def test_safe_serialize(self):
        s1 = """<a xmlns="http://pyxmpp.jajcus.net/xmlns/test"><b a1="v1" xmlns="http://pyxmpp.jajcus.net/xmlns/test1" a2="v2"/></a>"""
        doc1 = libxml2.parseDoc(s1)
        root1 = doc1.getRootElement()
        el1 = root1.children
        try:
            root1_ns = root1.ns()
        except libxml2.treeError:
            root1_ns = None
        el1.setNs(root1_ns)

        #s = el1.serialize()
        s = xmlextra.safe_serialize(el1)

        s2 = '<a xmlns="http://pyxmpp.jajcus.net/xmlns/test">%s</a>' % (s,)

        doc2 = libxml2.parseDoc(s2)
        root2 = doc2.getRootElement()
        self.failUnless(xml_elements_equal(root1, root2))


def suite():
     suite = unittest.TestSuite()
     suite.addTest(unittest.makeSuite(TestReplaceNs))
     return suite

if __name__ == '__main__':
    unittest.TextTestRunner(verbosity=2).run(suite())

# vi: sts=4 et sw=4