lib/jinja2/testsuite/debug.py

   1 # -*- coding: utf-8 -*-
   2 """
   3     jinja2.testsuite.debug
   4     ~~~~~~~~~~~~~~~~~~~~~~
   5
   6     Tests the debug system.
   7
   8     :copyright: (c) 2010 by the Jinja Team.
   9     :license: BSD, see LICENSE for more details.
  10 """
  11 import sys
  12 import unittest
  13
  14 from jinja2.testsuite import JinjaTestCase, filesystem_loader
  15
  16 from jinja2 import Environment, TemplateSyntaxError
  17
  18 env = Environment(loader=filesystem_loader)
  19
  20
  21 class DebugTestCase(JinjaTestCase):
  22
  23     if sys.version_info[:2] != (2, 4):
  24         def test_runtime_error(self):
  25             def test():
  26                 tmpl.render(fail=lambda: 1 / 0)
  27             tmpl = env.get_template('broken.html')
  28             self.assert_traceback_matches(test, r'''
  29   File ".*?broken.html", line 2, in (top-level template code|<module>)
  30     \{\{ fail\(\) \}\}
  31   File ".*?debug.pyc?", line \d+, in <lambda>
  32     tmpl\.render\(fail=lambda: 1 / 0\)
  33 ZeroDivisionError: (int(eger)? )?division (or modulo )?by zero
  34 ''')
  35
  36     def test_syntax_error(self):
  37         # XXX: the .*? is necessary for python3 which does not hide
  38         # some of the stack frames we don't want to show.  Not sure
  39         # what's up with that, but that is not that critical.  Should
  40         # be fixed though.
  41         self.assert_traceback_matches(lambda: env.get_template('syntaxerror.html'), r'''(?sm)
  42   File ".*?syntaxerror.html", line 4, in (template|<module>)
  43     \{% endif %\}.*?
  44 (jinja2\.exceptions\.)?TemplateSyntaxError: Encountered unknown tag 'endif'. Jinja was looking for the following tags: 'endfor' or 'else'. The innermost block that needs to be closed is 'for'.
  45     ''')
  46
  47     def test_regular_syntax_error(self):
  48         def test():
  49             raise TemplateSyntaxError('wtf', 42)
  50         self.assert_traceback_matches(test, r'''
  51   File ".*debug.pyc?", line \d+, in test
  52     raise TemplateSyntaxError\('wtf', 42\)
  53 (jinja2\.exceptions\.)?TemplateSyntaxError: wtf
  54   line 42''')
  55
  56
  57 def suite():
  58     suite = unittest.TestSuite()
  59     suite.addTest(unittest.makeSuite(DebugTestCase))
  60     return suite