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# Twisted, the Framework of Your Internet
# Copyright (C) 2001 Matthew W. Lefkowitz
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of version 2.1 of the GNU Lesser General Public
# License as published by the Free Software Foundation.
#
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
from twisted.trial import unittest
import sys, os
from twisted.xish.domish import Element
from twisted.xish.xpath import XPathQuery
from twisted.xish import xpath
class XPathTest(unittest.TestCase):
def setUp(self):
# Build element:
# <foo xmlns='testns' attrib1='value1' attrib3="user@host/resource">
# somecontent
# <bar>
# <foo>
# <gar>DEF</gar>
# </foo>
# </bar>
# somemorecontent
# <bar attrib2="value2">
# <bar>
# <foo/>
# <gar>ABC</gar>
# </bar>
# <bar/>
# </foo>
self.e = Element(("testns", "foo"))
self.e["attrib1"] = "value1"
self.e["attrib3"] = "user@host/resource"
self.e.addContent("somecontent")
self.bar1 = self.e.addElement("bar")
self.subfoo = self.bar1.addElement("foo")
self.gar1 = self.subfoo.addElement("gar")
self.gar1.addContent("DEF")
self.e.addContent("somemorecontent")
self.bar2 = self.e.addElement("bar")
self.bar2["attrib2"] = "value2"
self.bar3 = self.bar2.addElement("bar")
self.subfoo2 = self.bar3.addElement("foo")
self.gar2 = self.bar3.addElement("gar")
self.gar2.addContent("ABC")
self.bar4 = self.e.addElement("bar")
def testStaticMethods(self):
self.assertEquals(xpath.matches("/foo/bar", self.e),
True)
self.assertEquals(xpath.queryForNodes("/foo/bar", self.e),
[self.bar1, self.bar2, self.bar4])
self.assertEquals(xpath.queryForString("/foo", self.e),
"somecontent")
self.assertEquals(xpath.queryForStringList("/foo", self.e),
["somecontent", "somemorecontent"])
def testFunctionality(self):
xp = XPathQuery("/foo/bar")
self.assertEquals(xp.matches(self.e), 1)
xp = XPathQuery("/foo/bar/foo")
self.assertEquals(xp.matches(self.e), 1)
self.assertEquals(xp.queryForNodes(self.e), [self.subfoo])
xp = XPathQuery("/foo/bar3")
self.assertEquals(xp.matches(self.e), 0)
xp = XPathQuery("/foo/*")
self.assertEquals(xp.matches(self.e), True)
self.assertEquals(xp.queryForNodes(self.e), [self.bar1, self.bar2, self.bar4])
xp = XPathQuery("/foo[@attrib1]")
self.assertEquals(xp.matches(self.e), True)
xp = XPathQuery("/foo/*[@attrib2='value2']")
self.assertEquals(xp.matches(self.e), True)
self.assertEquals(xp.queryForNodes(self.e), [self.bar2])
# XXX: Revist this, given new grammar
# xp = XPathQuery("/foo/bar[2]")
# self.assertEquals(xp.matches(self.e), 1)
# self.assertEquals(xp.queryForNodes(self.e), [self.bar1])
xp = XPathQuery("/foo[@xmlns='testns']/bar")
self.assertEquals(xp.matches(self.e), 1)
xp = XPathQuery("/foo[@xmlns='badns']/bar2")
self.assertEquals(xp.matches(self.e), 0)
xp = XPathQuery("/foo[@attrib1='value1']")
self.assertEquals(xp.matches(self.e), 1)
xp = XPathQuery("/foo")
self.assertEquals(xp.queryForString(self.e), "somecontent")
self.assertEquals(xp.queryForStringList(self.e), ["somecontent", "somemorecontent"])
xp = XPathQuery("/foo/bar")
self.assertEquals(xp.queryForNodes(self.e), [self.bar1, self.bar2, self.bar4])
xp = XPathQuery("/foo[text() = 'somecontent']")
self.assertEquals(xp.matches(self.e), True)
xp = XPathQuery("/foo[not(@nosuchattrib)]")
self.assertEquals(xp.matches(self.e), True)
xp = XPathQuery("/foo[juserhost(@attrib3) = 'user@host']")
self.assertEquals(xp.matches(self.e), True)
xp = XPathQuery("//gar")
self.assertEquals(xp.matches(self.e), True)
self.assertEquals(xp.queryForNodes(self.e), [self.gar1, self.gar2])
self.assertEquals(xp.queryForStringList(self.e), ["DEF", "ABC"])
xp = XPathQuery("//bar")
self.assertEquals(xp.matches(self.e), True)
self.assertEquals(xp.queryForNodes(self.e), [self.bar1, self.bar2, self.bar3, self.bar4])
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