# Copyright 2009-2010 ITA Software, Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import os
from lxml import etree
from twisted.trial import unittest
from nagcat import errors, filters
class XPathTestCase(unittest.TestCase):
example = """
Test XML
This has been a test
Text #1
Text #2
"""
def testBasic(self):
f = filters.Filter(object(), "xpath://div/text()")
self.assertEquals(f.filter(self.example), "This has been a test")
def testMissing(self):
f = filters.Filter(object(), "xpath://span/text()")
self.assertIsInstance(f.filter(self.example), errors.Failure)
def testDefault(self):
f = filters.Filter(object(), "xpath[none]://span/text()")
self.assertEquals(f.filter(self.example), "none")
def testBad(self):
f = filters.Filter(object(), "xpath://span/text()")
self.assertIsInstance(f.filter(""), errors.Failure)
def testXML(self):
f = filters.Filter(object(), "xpath://title")
self.assertEquals(f.filter(self.example), "Test XML")
def testMultiXML(self):
f = filters.Filter(object(), "xpath://p")
self.assertEquals(f.filter(self.example),
"Text #1
\nText #2
")
class XSLTTestCase(unittest.TestCase):
# example swiped from wikipedia
raw_xml = """
John
Smith
Morka
Ismincius
"""
raw_xslt = """
"""
result = ('\n'
' John\n'
' Morka\n'
'\n')
def testBasic(self):
f = filters.Filter(object(), "xslt:%s" % self.raw_xslt)
self.assertEquals(str(f.filter(self.raw_xml)), self.result)
def testPath(self):
path = os.path.abspath(self.mktemp())
fd = open(path, "w")
fd.write(self.raw_xslt)
fd.close()
f = filters.Filter(object(), "xslt:%s" % path)
self.assertEquals(str(f.filter(self.raw_xml)), self.result)
def testBadXSLTXML(self):
self.assertRaises(errors.InitError,
filters.Filter, object(), "xslt:blah")
def testBadXSLT(self):
self.assertRaises(errors.InitError,
filters.Filter, object(), "xslt:")
def testBadInputXML(self):
f = filters.Filter(object(), "xslt:%s" % self.raw_xslt)
self.assertIsInstance(f.filter("blah"), errors.Failure)
class HTMLTestCase(unittest.TestCase):
example = """
Test HTML
This has been a test
Text #1
Text #2
"""
expect = """
Test HTML
This has been a test
Text #1
Text #2
"""
def testBasic(self):
f = filters.Filter(object(), "html")
xml = f.filter(self.example)
self.assertIsInstance(xml, str)
self.assertEqualsXML(xml, self.expect)
def assertEqualsXML(self, result, expect):
# Parse the xml, strip white space, and convert back
# this allows us to compare if they are logically equal
parser = etree.XMLParser(remove_blank_text=True)
result = etree.tostring(etree.XML(result, parser))
expect = etree.tostring(etree.XML(expect, parser))
self.assertEquals(result, expect)