text: #!/usr/bin/python
  # -*- coding: iso-8859-1 -*-
  
  #    Copyright (c) 2016, Jan Brohl <janbrohl@t-online.de>
  #    All rights reserved.
  #    See LICENSE.txt
  
  #    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.
  		
  """
  
  from __future__ import unicode_literals
  import unittest
  import os
  import io
  import logging
  import logging.config
  
  from simpletal import simpleTAL, simpleTALES
  
  if (os.path.exists("logging.ini")):
      logging.config.fileConfig("logging.ini")
  else:
      logging.basicConfig()
  
  
  def simpleFunction(param):
      return "Hello %s" % param
  
  
  def helloFunction():
      return "Hello"
  
  
  def exceptionalFunction(param):
      raise Exception(param)
  
  
  class PythonPathTests(unittest.TestCase):
      def setUp(self):
          pass
  
      def _runTest_(self, txt, result, errMsg="Error", allowPythonPath=0):
          self.context = simpleTALES.Context(allowPythonPath=allowPythonPath)
          self.context.addGlobal('top', 'Hello from the top')
          self.context.addGlobal('exceptFunc', exceptionalFunction)
          self.context.addGlobal('helloFunc', simpleFunction)
          self.context.addGlobal(
              'helloPath', simpleTALES.PathFunctionVariable(simpleFunction))
          self.context.addGlobal('helloFunction', helloFunction)
          self.context.addGlobal('myList', [1, 2, 3, 4, 5, 6])
          self.context.addGlobal('testing', 'testing')
          self.context.addGlobal('map', {'test': 'maptest'})
          self.context.addGlobal('data', {'one': 1, 'zero': 0})
  
          template = simpleTAL.compileHTMLTemplate(txt)
          file = io.StringIO()
          template.expand(self.context, file)
          realResult = file.getvalue()
          self.assertEqual(
              realResult, result,
              "%s - \npassed in: %s \ngot back %s \nexpected %s\n\nTemplate: %s"
              % (errMsg, txt, realResult, result, template))
  
      def testPythonPathException(self):
          self._runTest_(
              """<html tal:content="python:exceptFunc ('Test exception!')">Exists</html>""",
              '<html>Exception: Test exception!</html>',
              'Exception thrown during python path not handled!',
              allowPythonPath=1)
  
      def testPythonPathDisabled(self):
          self._runTest_(
              """<html tal:content="python:helloFunc ('Colin!')">Exists</html>""",
              '<html>0</html>',
              'Python path with allowPythonPath=false still expanded!',
              allowPythonPath=0)
  
      def testPythonPathFuncSuccess(self):
          self._runTest_(
              """<html tal:content="python:helloFunc ('Colin!')">Exists</html>""",
              '<html>Hello Colin!</html>',
              'Python path with function failed.',
              allowPythonPath=1)
  
      def testPythonPathSliceSuccess(self):
          self._runTest_(
              """<html tal:repeat="num python:myList[2:4]" tal:content="num">Exists</html>""",
              '<html>3</html><html>4</html>',
              'Python path with slice failed.',
              allowPythonPath=1)
  
      def testPythonStringCompare(self):
          self._runTest_(
              """<html tal:condition="python: testing=='testing'">Passed.</html>""",
              '<html>Passed.</html>',
              'Python string compare failed.',
              allowPythonPath=1)
  
      def testPythonPathFunc(self):
          self._runTest_(
              """<html tal:content="python: path ('map/test')">Passed.</html>""",
              '<html>maptest</html>',
              'Python path function call failed',
              allowPythonPath=1)
  
      def testPythonStringFunc(self):
          self._runTest_(
              """<html tal:content="python: string ('Hello ${map/test} there')">Passed.</html>""",
              '<html>Hello maptest there</html>',
              'Python string function call failed',
              allowPythonPath=1)
  
      def testPythonExistsFunc1(self):
          self._runTest_(
              """<html tal:condition="python: exists ('map/test')">Passed.</html>""",
              '<html>Passed.</html>',
              'Python exists function call failed',
              allowPythonPath=1)
  
      def testPythonExistsFunc2(self):
          self._runTest_(
              """<html tal:condition="python: exists ('map/nosuchpath')">Passed.</html>""",
              '',
              'Python exists function call failed',
              allowPythonPath=1)
  
      def testPythonNocallFunc(self):
          self._runTest_(
              """<html tal:condition="python: callable (nocall ('helloFunc'))">Passed.</html>""",
              '<html>Passed.</html>',
              'Python nocall function call failed',
              allowPythonPath=1)
  
      def testPythonPathFuncWithFunc(self):
          self._runTest_(
              """<html tal:condition="python: path ('helloFunction')=='Hello'">Passed.</html>""",
              '<html>Passed.</html>',
              'Python path function using a function failed',
              allowPythonPath=1)
  
      def testPythonPathFuncWithPath(self):
          self._runTest_(
              """<html tal:condition="python: helloPath ('helloFunction')=='Hello helloFunction'">Passed.</html>""",
              '<html>Passed.</html>',
              'Python path function wrapped in a PathFunctionVariable failed',
              allowPythonPath=1)
  
      def testTestFunctionDefault(self):
          self._runTest_(
              """<html tal:condition="python: test (path ('data/one'))">Passed.</html>""",
              '<html>Passed.</html>',
              'Test function failed to use default.',
              allowPythonPath=1)
  
      def testTestFunctionTwoArgs(self):
          self._runTest_(
              """<html tal:condition="python: test (0,1)">Passed.</html>""",
              '',
              'Test function failed to use default of false.',
              allowPythonPath=1)
  
      def testTestFunctionThreeArgs(self):
          self._runTest_(
              """<html tal:content="python: test (0,1,2)">Passed.</html>""",
              '<html>2</html>',
              'Test function failed to use default.',
              allowPythonPath=1)
  
      def testTestFunctionFiveArgs(self):
          self._runTest_(
              """<html tal:content="python: test (0,1,0,2,5)">Passed.</html>""",
              '<html>5</html>',
              'Test function failed to use default.',
              allowPythonPath=1)
  
  
  if __name__ == '__main__':
      unittest.main()
  