text: # -*- coding: utf-8  -*-
  #
  # Copyright (C) 2012-2013 Ben Kurtovic <ben.kurtovic@gmail.com>
  #
  # Permission is hereby granted, free of charge, to any person obtaining a copy
  # of this software and associated documentation files (the "Software"), to deal
  # in the Software without restriction, including without limitation the rights
  # to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  # copies of the Software, and to permit persons to whom the Software is
  # furnished to do so, subject to the following conditions:
  #
  # The above copyright notice and this permission notice shall be included in
  # all copies or substantial portions of the Software.
  #
  # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  # AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  # SOFTWARE.
  
  from __future__ import unicode_literals
  import unittest
  
  from mwparserfromhell import parser
  from mwparserfromhell.compat import range
  from mwparserfromhell.nodes import Tag, Template, Text, Wikilink
  from mwparserfromhell.nodes.extras import Parameter
  
  from ._test_tree_equality import TreeEqualityTestCase, wrap, wraptext
  
  class TestParser(TreeEqualityTestCase):
      """Tests for the Parser class itself, which tokenizes and builds nodes."""
  
      def test_use_c(self):
          """make sure the correct tokenizer is used"""
          restore = parser.use_c
          if parser.use_c:
              self.assertTrue(parser.Parser()._tokenizer.USES_C)
              parser.use_c = False
          self.assertFalse(parser.Parser()._tokenizer.USES_C)
          parser.use_c = restore
  
      def test_parsing(self):
          """integration test for parsing overall"""
          text = "this is text; {{this|is=a|template={{with|[[links]]|in}}it}}"
          expected = wrap([
              Text("this is text; "),
              Template(wraptext("this"), [
                  Parameter(wraptext("is"), wraptext("a")),
                  Parameter(wraptext("template"), wrap([
                      Template(wraptext("with"), [
                          Parameter(wraptext("1"),
                                    wrap([Wikilink(wraptext("links"))]),
                                    showkey=False),
                          Parameter(wraptext("2"),
                                    wraptext("in"), showkey=False)
                      ]),
                      Text("it")
                  ]))
              ])
          ])
          actual = parser.Parser().parse(text)
          self.assertWikicodeEqual(expected, actual)
  
      def test_skip_style_tags(self):
          """test Parser.parse(skip_style_tags=True)"""
          def test():
              with_style = parser.Parser().parse(text, skip_style_tags=False)
              without_style = parser.Parser().parse(text, skip_style_tags=True)
              self.assertWikicodeEqual(a, with_style)
              self.assertWikicodeEqual(b, without_style)
  
          text = "This is an example with ''italics''!"
          a = wrap([Text("This is an example with "),
                    Tag(wraptext("i"), wraptext("italics"), wiki_markup="''"),
                    Text("!")])
          b = wraptext("This is an example with ''italics''!")
  
          restore = parser.use_c
          if parser.use_c:
              test()
              parser.use_c = False
          test()
          parser.use_c = restore
  
  if __name__ == "__main__":
      unittest.main(verbosity=2)
  