#!/usr/bin/python
"""		Copyright (c) 2004 Colin Stewart (http://www.owlfish.com/)
		All rights reserved.
		
		Redistribution and use in source and binary forms, with or without
		modification, are permitted provided that the following conditions
		are met:
		1. Redistributions of source code must retain the above copyright
		   notice, this list of conditions and the following disclaimer.
		2. Redistributions in binary form must reproduce the above copyright
		   notice, this list of conditions and the following disclaimer in the
		   documentation and/or other materials provided with the distribution.
		3. The name of the author may not be used to endorse or promote products
		   derived from this software without specific prior written permission.
		
		THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
		IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
		OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
		IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
		INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
		NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
		DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
		THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
		(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
		THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
		
		If you make any bug fixes or feature enhancements please let me know!
		
		Unit test cases.
		
"""

import unittest, os
import StringIO
import logging, logging.config
import xml.sax, xml.sax.handler, md5

from simpletal import simpleTAL, simpleTALES

if (os.path.exists ("logging.ini")):
	logging.config.fileConfig ("logging.ini")
else:
	logging.basicConfig()
	
class XMLChecksumHandler (xml.sax.handler.ContentHandler, xml.sax.handler.DTDHandler, xml.sax.handler.ErrorHandler):
	def __init__ (self, parser):
		xml.sax.handler.ContentHandler.__init__ (self)
		self.ourParser = parser
		
	def startDocument (self):
		self.digest = md5.new()
		
	def startPrefixMapping (self, prefix, uri):
		self.digest.update (prefix)
		self.digest.update (uri)
		
	def endPrefixMapping (self, prefix):
		self.digest.update (prefix)
		
	def startElement (self, name, atts):
		self.digest.update (name)
		allAtts = atts.getNames()
		allAtts.sort()
		for att in allAtts:
			self.digest.update (att)
			self.digest.update (atts [att])
			
	def endElement (self, name):
		self.digest.update (name)
		
	def characters (self, data):
		self.digest.update (data)
		
	def processingInstruction (self, target, data):
		self.digest.update (target)
		self.digest.update (data)
		
	def skippedEntity (self, name):
		self.digest.update (name)
		
	# DTD Handler
	def notationDecl(self, name, publicId, systemId):
		self.digest.update (name)
		self.digest.update (publicId)
		self.digest.update (systemId)
		
	def unparsedEntityDecl(name, publicId, systemId, ndata):
		self.digest.update (name)
		self.digest.update (publicId)
		self.digest.update (systemId)
		self.digest.update (ndata)
		
	def error (self, excpt):
		print "Error: %s" % str (excpt)
		
	def warning (self, excpt):
		print "Warning: %s" % str (excpt)
		
	def getDigest (self):
		return self.digest.hexdigest()

CHECKSUMPARSER = xml.sax.make_parser()
CHECKSUMHANDLER = XMLChecksumHandler(CHECKSUMPARSER)
CHECKSUMPARSER.setContentHandler (CHECKSUMHANDLER)
CHECKSUMPARSER.setDTDHandler (CHECKSUMHANDLER)
CHECKSUMPARSER.setErrorHandler (CHECKSUMHANDLER)

def getXMLChecksum (doc):
	CHECKSUMPARSER.parse (StringIO.StringIO (doc))
	return CHECKSUMHANDLER.getDigest()

class TALSingletonTests (unittest.TestCase):
	def setUp (self):
		self.context = simpleTALES.Context()
		self.context.addGlobal ('test', 'testing')
		self.context.addGlobal ('one', [1])
		self.context.addGlobal ('two', ["one", "two"])
		self.context.addGlobal ('three', ['1',"Two",'3'])
		
	def _runTest_ (self, txt, result, errMsg="Error"):
		template = simpleTAL.compileXMLTemplate (txt)
		file = StringIO.StringIO ()
		template.expand (self.context, file)
		realResult = file.getvalue()
		try:
			expectedChecksum = getXMLChecksum (result)
		except Exception, e:
			self.fail ("Exception (%s) thrown parsing XML expected result: %s" % (str (e), result))
			
		try:
			realChecksum = getXMLChecksum (realResult)
		except Exception, e:
			self.fail ("Exception (%s) thrown parsing XML actual result: %s\nPage Template: %s" % (str (e), realResult, str (template)))
		
		self.failUnless (expectedChecksum == realChecksum, "%s - \npassed in: %s \ngot back %s \nexpected %s\n\nTemplate: %s" % (errMsg, txt, realResult, result, template))
		
	def _runMacroTest_ (self, macros, page, result, errMsg="Error"):
		macroTemplate = simpleTAL.compileXMLTemplate (macros)
		pageTemplate = simpleTAL.compileXMLTemplate (page)
		self.context.addGlobal ("site", macroTemplate)
		self.context.addGlobal ("here", pageTemplate)
		file = StringIO.StringIO ()
		pageTemplate.expand (self.context, file)
		realResult = file.getvalue()
		try:
			expectedChecksum = getXMLChecksum (result)
		except Exception, e:
			self.fail ("Exception (%s) thrown parsing XML expected result: %s" % (str (e), result))
			
		try:
			realChecksum = getXMLChecksum (realResult)
		except Exception, e:
			self.fail ("Exception (%s) thrown parsing XML actual result: %s\nPage Template: %s\nMacro Template: %s" % (str (e), realResult, str (pageTemplate), str (macroTemplate)))
		
		self.failUnless (expectedChecksum == realChecksum, "%s - \npassed in macro: %s \n and page: %s\ngot back %s \nexpected %s\n\nPage Template: %s" % (errMsg, macros,page, realResult, result, pageTemplate))
		
		
	def testDefineAttributes (self):
		self._runTest_ ("""<html><br tal:define="temp test" tal:attributes="href temp"/><br tal:attributes="href temp"/></html>"""
						,"""<html><br href="testing" /><br/></html>"""
						,"""Local define followed by attributes and global test failed.""")
						
	def testConditionDefine (self):
		self._runTest_ ("""<html><br tal:define="global temp test" tal:attributes="href temp"/><br tal:condition="exists: temp"/><img tal:condition="not:exists:temp"/></html>"""
						,"""<html><br href="testing" /><br/></html>"""
						,"""Global define and condition failed""")
	
	def testRepeatAttributes (self):
		self._runTest_ ("""<html><br tal:repeat="temp three" tal:attributes="href temp"/></html>"""
						,"""<html><br href="1" /><br href="Two"/><br href="3"/></html>"""
						,"""Repeat and attributes failed.""")
						
	def testContentRepeat (self):
		self._runTest_ ("""<html><br tal:repeat="temp three" tal:content="temp"/></html>"""
						,"""<html><br>1</br><br>Two</br><br>3</br></html>"""
						,"""Content with Repeat failed.""")
						
	def testReplaceRepeat (self):
		self._runTest_ ("""<html><br tal:repeat="temp three" tal:replace="temp"/></html>"""
						,"""<html>1Two3</html>"""
						,"""Replace with Repeat failed.""")
	
	def testReplaceRepeatAttributes (self):
		self._runTest_ ("""<html><br tal:repeat="temp three" tal:attributes="href temp" tal:replace="temp"/></html>"""
						,"""<html>1Two3</html>"""
						,"""Replace with Repeat failed.""")
						
	def testContentRepeatAttributes (self):
		self._runTest_ ("""<html><br tal:repeat="temp three" tal:attributes="href temp" tal:content="temp"/></html>"""
						,"""<html><br href="1">1</br><br href="Two">Two</br><br href="3">3</br></html>"""
						,"""Content with Repeat and Attributes failed.""")
						
	def testOmitTagContentRepeatAttributes (self):
		self._runTest_ ("""<html><br tal:repeat="temp three" tal:omit-tag="default" tal:attributes="href temp" tal:content="temp"/></html>"""
						,"""<html>1Two3</html>"""
						,"""OmitTag with Content and Repeat and Attributes failed.""")
	
	def testDefineMacroSlots (self):
		self._runMacroTest_ ("""<html metal:define-macro="m1"><br metal:define-slot="sl1"/></html>"""
							,"""<div metal:use-macro="site/macros/m1"><p metal:fill-slot="sl1">Hello</p></div>"""
							,"""<html><p>Hello</p></html>"""
							,"""METAL with define-slot on singleton failed.""")
							
	def testDefineMacro (self):
		self._runMacroTest_ ("""<html metal:define-macro="m1" id="test"/>"""
							,"""<div metal:use-macro="site/macros/m1"><p metal:fill-slot="sl1">Hello</p></div>"""
							,"""<html id="test"/>"""
							,"""METAL with define-macro on singleton failed.""")

	def testUseMacro (self):
		self._runMacroTest_ ("""<html metal:define-macro="m1"><br metal:define-slot="sl1"/></html>"""
							,"""<div metal:use-macro="site/macros/m1"/>"""
							,"""<html><br/></html>"""
							,"""METAL with use-macro on singleton failed.""")
	
	def testFillSlot (self):
		self._runMacroTest_ ("""<html metal:define-macro="m1"><br metal:define-slot="sl1"/></html>"""
							,"""<div metal:use-macro="site/macros/m1"><i metal:fill-slot="sl1" id="test"/></div>"""
							,"""<html><i id="test"/></html>"""
							,"""METAL with fill-slot on singleton failed.""")
							
	def testRepeatUseMacro (self):
		self._runMacroTest_ ("""<html metal:define-macro="m1"><br metal:define-slot="sl1"/></html>"""
							,"""<test><p tal:repeat="nums three"><div metal:use-macro="site/macros/m1"/></p></test>"""
							,"""<test><p><html><br/></html></p><p><html><br/></html></p><p><html><br/></html></p></test>"""
							,"""METAL with repeat and use-macro on singleton failed.""")
							
	

if __name__ == '__main__':
	unittest.main()