/tests/regressiontests/templates/tests.py

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# -*- coding: utf-8 -*-
from django.conf import settings

if __name__ == '__main__':
    # When running this file in isolation, we need to set up the configuration
    # before importing 'template'.
    settings.configure()

from datetime import datetime, timedelta
import time
import os
import sys
import traceback

from django import template
from django.template import base as template_base
from django.core import urlresolvers
from django.template import loader
from django.template.loaders import app_directories, filesystem, cached
from django.test.utils import setup_test_template_loader,\
    restore_template_loaders
from django.utils import unittest
from django.utils.translation import activate, deactivate, ugettext as _
from django.utils.safestring import mark_safe
from django.utils.tzinfo import LocalTimezone

from context import ContextTests
from custom import CustomTagTests, CustomFilterTests
from parser import ParserTests
from unicode import UnicodeTests
from nodelist import NodelistTest
from smartif import *
from response import *

try:
    from loaders import *
except ImportError:
    pass # If setuptools isn't installed, that's fine. Just move on.

import filters

#################################
# Custom template tag for tests #
#################################

register = template.Library()

class EchoNode(template.Node):
    def __init__(self, contents):
        self.contents = contents

    def render(self, context):
        return " ".join(self.contents)

def do_echo(parser, token):
    return EchoNode(token.contents.split()[1:])

def do_upper(value):
    return value.upper()

register.tag("echo", do_echo)
register.tag("other_echo", do_echo)
register.filter("upper", do_upper)

template.libraries['testtags'] = register

#####################################
# Helper objects for template tests #
#####################################

class SomeException(Exception):
    silent_variable_failure = True

class SomeOtherException(Exception):
    pass

class ContextStackException(Exception):
    pass

class SomeClass:
    def __init__(self):
        self.otherclass = OtherClass()

    def method(self):
        return "SomeClass.method"

    def method2(self, o):
        return o

    def method3(self):
        raise SomeException

    def method4(self):
        raise SomeOtherException

    def __getitem__(self, key):
        if key == 'silent_fail_key':
            raise SomeException
        elif key == 'noisy_fail_key':
            raise SomeOtherException
        raise KeyError

    def silent_fail_attribute(self):
        raise SomeException
    silent_fail_attribute = property(silent_fail_attribute)

    def noisy_fail_attribute(self):
        raise SomeOtherException
    noisy_fail_attribute = property(noisy_fail_attribute)

class OtherClass:
    def method(self):
        return "OtherClass.method"

class TestObj(object):
    def is_true(self):
        return True

    def is_false(self):
        return False

    def is_bad(self):
        time.sleep(0.3)
        return True

class SilentGetItemClass(object):
    def __getitem__(self, key):
        raise SomeException

class SilentAttrClass(object):
    def b(self):
        raise SomeException
    b = property(b)

class UTF8Class:
    "Class whose __str__ returns non-ASCII data"
    def __str__(self):
        return u'Š??Ž?žš?'.encode('utf-8')

class Templates(unittest.TestCase):
    def setUp(self):
        self.old_static_url = settings.STATIC_URL
        self.old_media_url = settings.MEDIA_URL
        settings.STATIC_URL = u"/static/"
        settings.MEDIA_URL = u"/media/"

    def tearDown(self):
        settings.STATIC_URL = self.old_static_url
        settings.MEDIA_URL = self.old_media_url

    def test_loaders_security(self):
        ad_loader = app_directories.Loader()
        fs_loader = filesystem.Loader()
        def test_template_sources(path, template_dirs, expected_sources):
            if isinstance(expected_sources, list):
                # Fix expected sources so they are normcased and abspathed
                expected_sources = [os.path.normcase(os.path.abspath(s)) for s in expected_sources]
            # Test the two loaders (app_directores and filesystem).
            func1 = lambda p, t: list(ad_loader.get_template_sources(p, t))
            func2 = lambda p, t: list(fs_loader.get_template_sources(p, t))
            for func in (func1, func2):
                if isinstance(expected_sources, list):
                    self.assertEqual(func(path, template_dirs), expected_sources)
                else:
                    self.assertRaises(expected_sources, func, path, template_dirs)

        template_dirs = ['/dir1', '/dir2']
        test_template_sources('index.html', template_dirs,
                              ['/dir1/index.html', '/dir2/index.html'])
        test_template_sources('/etc/passwd', template_dirs, [])
        test_template_sources('etc/passwd', template_dirs,
                              ['/dir1/etc/passwd', '/dir2/etc/passwd'])
        test_template_sources('../etc/passwd', template_dirs, [])
        test_template_sources('../../../etc/passwd', template_dirs, [])
        test_template_sources('/dir1/index.html', template_dirs,
                              ['/dir1/index.html'])
        test_template_sources('../dir2/index.html', template_dirs,
                              ['/dir2/index.html'])
        test_template_sources('/dir1blah', template_dirs, [])
        test_template_sources('../dir1blah', template_dirs, [])

        # UTF-8 bytestrings are permitted.
        test_template_sources('\xc3\x85ngstr\xc3\xb6m', template_dirs,
                              [u'/dir1/Ĺngström', u'/dir2/Ĺngström'])
        # Unicode strings are permitted.
        test_template_sources(u'Ĺngström', template_dirs,
                              [u'/dir1/Ĺngström', u'/dir2/Ĺngström'])
        test_template_sources(u'Ĺngström', ['/Straße'], [u'/Straße/Ĺngström'])
        test_template_sources('\xc3\x85ngstr\xc3\xb6m', ['/Straße'],
                              [u'/Straße/Ĺngström'])
        # Invalid UTF-8 encoding in bytestrings is not. Should raise a
        # semi-useful error message.
        test_template_sources('\xc3\xc3', template_dirs, UnicodeDecodeError)

        # Case insensitive tests (for win32). Not run unless we're on
        # a case insensitive operating system.
        if os.path.normcase('/TEST') == os.path.normpath('/test'):
            template_dirs = ['/dir1', '/DIR2']
            test_template_sources('index.html', template_dirs,
                                  ['/dir1/index.html', '/dir2/index.html'])
            test_template_sources('/DIR1/index.HTML', template_dirs,
                                  ['/dir1/index.html'])

    def test_loader_debug_origin(self):
        # Turn TEMPLATE_DEBUG on, so that the origin file name will be kept with
        # the compiled templates.
        old_td, settings.TEMPLATE_DEBUG = settings.TEMPLATE_DEBUG, True
        old_loaders = loader.template_source_loaders

        try:
            loader.template_source_loaders = (filesystem.Loader(),)

            # We rely on the fact that runtests.py sets up TEMPLATE_DIRS to
            # point to a directory containing a 404.html file. Also that
            # the file system and app directories loaders both inherit the
            # load_template method from the BaseLoader class, so we only need
            # to test one of them.
            load_name = '404.html'
            template = loader.get_template(load_name)
            template_name = template.nodelist[0].source[0].name
            self.assertTrue(template_name.endswith(load_name),
                'Template loaded by filesystem loader has incorrect name for debug page: %s' % template_name)

            # Aso test the cached loader, since it overrides load_template
            cache_loader = cached.Loader(('',))
            cache_loader._cached_loaders = loader.template_source_loaders
            loader.template_source_loaders = (cache_loader,)

            template = loader.get_template(load_name)
            template_name = template.nodelist[0].source[0].name
            self.assertTrue(template_name.endswith(load_name),
                'Template loaded through cached loader has incorrect name for debug page: %s' % template_name)

            template = loader.get_template(load_name)
            template_name = template.nodelist[0].source[0].name
            self.assertTrue(template_name.endswith(load_name),
                'Cached template loaded through cached loader has incorrect name for debug page: %s' % template_name)
        finally:
            loader.template_source_loaders = old_loaders
            settings.TEMPLATE_DEBUG = old_td


    def test_include_missing_template(self):
        """
        Tests that the correct template is identified as not existing
        when {% include %} specifies a template that does not exist.
        """

        # TEMPLATE_DEBUG must be true, otherwise the exception raised
        # during {% include %} processing will be suppressed.
        old_td, settings.TEMPLATE_DEBUG = settings.TEMPLATE_DEBUG, True
        old_loaders = loader.template_source_loaders

        try:
            # Test the base loader class via the app loader. load_template
            # from base is used by all shipped loaders excepting cached,
            # which has its own test.
            loader.template_source_loaders = (app_directories.Loader(),)

            load_name = 'test_include_error.html'
            r = None
            try:
                tmpl = loader.select_template([load_name])
                r = tmpl.render(template.Context({}))
            except template.TemplateDoesNotExist, e:
                settings.TEMPLATE_DEBUG = old_td
                self.assertEqual(e.args[0], 'missing.html')
            self.assertEqual(r, None, 'Template rendering unexpectedly succeeded, produced: ->%r<-' % r)
        finally:
            loader.template_source_loaders = old_loaders
            settings.TEMPLATE_DEBUG = old_td


    def test_extends_include_missing_baseloader(self):
        """
        Tests that the correct template is identified as not existing
        when {% extends %} specifies a template that does exist, but
        that template has an {% include %} of something that does not
        exist. See #12787.
        """

        # TEMPLATE_DEBUG must be true, otherwise the exception raised
        # during {% include %} processing will be suppressed.
        old_td, settings.TEMPLATE_DEBUG = settings.TEMPLATE_DEBUG, True
        old_loaders = loader.template_source_loaders

        try:
            # Test the base loader class via the app loader. load_template
            # from base is used by all shipped loaders excepting cached,
            # which has its own test.
            loader.template_source_loaders = (app_directories.Loader(),)

            load_name = 'test_extends_error.html'
            tmpl = loader.get_template(load_name)
            r = None
            try:
                r = tmpl.render(template.Context({}))
            except template.TemplateSyntaxError, e:
                settings.TEMPLATE_DEBUG = old_td
                self.assertEqual(e.args[0], 'Caught TemplateDoesNotExist while rendering: missing.html')
            self.assertEqual(r, None, 'Template rendering unexpectedly succeeded, produced: ->%r<-' % r)
        finally:
            loader.template_source_loaders = old_loaders
            settings.TEMPLATE_DEBUG = old_td

    def test_extends_include_missing_cachedloader(self):
        """
        Same as test_extends_include_missing_baseloader, only tests
        behavior of the cached loader instead of BaseLoader.
        """

        old_td, settings.TEMPLATE_DEBUG = settings.TEMPLATE_DEBUG, True
        old_loaders = loader.template_source_loaders

        try:
            cache_loader = cached.Loader(('',))
            cache_loader._cached_loaders = (app_directories.Loader(),)
            loader.template_source_loaders = (cache_loader,)

            load_name = 'test_extends_error.html'
            tmpl = loader.get_template(load_name)
            r = None
            try:
                r = tmpl.render(template.Context({}))
            except template.TemplateSyntaxError, e:
                self.assertEqual(e.args[0], 'Caught TemplateDoesNotExist while rendering: missing.html')
            self.assertEqual(r, None, 'Template rendering unexpectedly succeeded, produced: ->%r<-' % r)

            # For the cached loader, repeat the test, to ensure the first attempt did not cache a
            # result that behaves incorrectly on subsequent attempts.
            tmpl = loader.get_template(load_name)
            try:
                tmpl.render(template.Context({}))
            except template.TemplateSyntaxError, e:
                self.assertEqual(e.args[0], 'Caught TemplateDoesNotExist while rendering: missing.html')
            self.assertEqual(r, None, 'Template rendering unexpectedly succeeded, produced: ->%r<-' % r)
        finally:
            loader.template_source_loaders = old_loaders
            settings.TEMPLATE_DEBUG = old_td

    def test_token_smart_split(self):
        # Regression test for #7027
        token = template.Token(template.TOKEN_BLOCK, 'sometag _("Page not found") value|yesno:_("yes,no")')
        split = token.split_contents()
        self.assertEqual(split, ["sometag", '_("Page not found")', 'value|yesno:_("yes,no")'])

    def test_url_reverse_no_settings_module(self):
        # Regression test for #9005
        from django.template import Template, Context, TemplateSyntaxError

        old_settings_module = settings.SETTINGS_MODULE
        old_template_debug = settings.TEMPLATE_DEBUG

        settings.SETTINGS_MODULE = None
        settings.TEMPLATE_DEBUG = True

        t = Template('{% url will_not_match %}')
        c = Context()
        try:
            rendered = t.render(c)
        except TemplateSyntaxError, e:
            # Assert that we are getting the template syntax error and not the
            # string encoding error.
            self.assertEqual(e.args[0], "Caught NoReverseMatch while rendering: Reverse for 'will_not_match' with arguments '()' and keyword arguments '{}' not found.")

        settings.SETTINGS_MODULE = old_settings_module
        settings.TEMPLATE_DEBUG = old_template_debug

    def test_invalid_block_suggestion(self):
        # See #7876
        from django.template import Template, TemplateSyntaxError
        try:
            t = Template("{% if 1 %}lala{% endblock %}{% endif %}")
        except TemplateSyntaxError, e:
            self.assertEqual(e.args[0], "Invalid block tag: 'endblock', expected 'else' or 'endif'")

    def test_templates(self):
        template_tests = self.get_template_tests()
        filter_tests = filters.get_filter_tests()

        # Quickly check that we aren't accidentally using a name in both
        # template and filter tests.
        overlapping_names = [name for name in filter_tests if name in template_tests]
        assert not overlapping_names, 'Duplicate test name(s): %s' % ', '.join(overlapping_names)

        template_tests.update(filter_tests)

        # Register our custom template loader.
        def test_template_loader(template_name, template_dirs=None):
            "A custom template loader that loads the unit-test templates."
            try:
                return (template_tests[template_name][0] , "test:%s" % template_name)
            except KeyError:
                raise template.TemplateDoesNotExist(template_name)

        cache_loader = cached.Loader(('test_template_loader',))
        cache_loader._cached_loaders = (test_template_loader,)

        old_template_loaders = loader.template_source_loaders
        loader.template_source_loaders = [cache_loader]

        failures = []
        tests = template_tests.items()
        tests.sort()

        # Turn TEMPLATE_DEBUG off, because tests assume that.
        old_td, settings.TEMPLATE_DEBUG = settings.TEMPLATE_DEBUG, False

        # Set TEMPLATE_STRING_IF_INVALID to a known string.
        old_invalid = settings.TEMPLATE_STRING_IF_INVALID
        expected_invalid_str = 'INVALID'

        #Set ALLOWED_INCLUDE_ROOTS so that ssi works.
        old_allowed_include_roots = settings.ALLOWED_INCLUDE_ROOTS
        settings.ALLOWED_INCLUDE_ROOTS = os.path.dirname(os.path.abspath(__file__))

        # Warm the URL reversing cache. This ensures we don't pay the cost
        # warming the cache during one of the tests.
        urlresolvers.reverse('regressiontests.templates.views.client_action',
                             kwargs={'id':0,'action':"update"})

        for name, vals in tests:
            if isinstance(vals[2], tuple):
                normal_string_result = vals[2][0]
                invalid_string_result = vals[2][1]

                if isinstance(invalid_string_result, tuple):
                    expected_invalid_str = 'INVALID %s'
                    invalid_string_result = invalid_string_result[0] % invalid_string_result[1]
                    template_base.invalid_var_format_string = True

                try:
                    template_debug_result = vals[2][2]
                except IndexError:
                    template_debug_result = normal_string_result

            else:
                normal_string_result = vals[2]
                invalid_string_result = vals[2]
                template_debug_result = vals[2]

            if 'LANGUAGE_CODE' in vals[1]:
                activate(vals[1]['LANGUAGE_CODE'])
            else:
                activate('en-us')

            for invalid_str, template_debug, result in [
                    ('', False, normal_string_result),
                    (expected_invalid_str, False, invalid_string_result),
                    ('', True, template_debug_result)
                ]:
                settings.TEMPLATE_STRING_IF_INVALID = invalid_str
                settings.TEMPLATE_DEBUG = template_debug
                for is_cached in (False, True):
                    try:
                        start = datetime.now()
                        test_template = loader.get_template(name)
                        end = datetime.now()
                        if end-start > timedelta(seconds=0.2):
                            failures.append("Template test (Cached='%s', TEMPLATE_STRING_IF_INVALID='%s', TEMPLATE_DEBUG=%s): %s -- FAILED. Took too long to parse test" % (is_cached, invalid_str, template_debug, name))

                        start = datetime.now()
                        output = self.render(test_template, vals)
                        end = datetime.now()
                        if end-start > timedelta(seconds=0.2):
                            failures.append("Template test (Cached='%s', TEMPLATE_STRING_IF_INVALID='%s', TEMPLATE_DEBUG=%s): %s -- FAILED. Took too long to render test" % (is_cached, invalid_str, template_debug, name))
                    except ContextStackException:
                        failures.append("Template test (Cached='%s', TEMPLATE_STRING_IF_INVALID='%s', TEMPLATE_DEBUG=%s): %s -- FAILED. Context stack was left imbalanced" % (is_cached, invalid_str, template_debug, name))
                        continue
                    except Exception:
                        exc_type, exc_value, exc_tb = sys.exc_info()
                        if exc_type != result:
                            print "CHECK", name, exc_type, result
                            tb = '\n'.join(traceback.format_exception(exc_type, exc_value, exc_tb))
                            failures.append("Template test (Cached='%s', TEMPLATE_STRING_IF_INVALID='%s', TEMPLATE_DEBUG=%s): %s -- FAILED. Got %s, exception: %s\n%s" % (is_cached, invalid_str, template_debug, name, exc_type, exc_value, tb))
                        continue
                    if output != result:
                        failures.append("Template test (Cached='%s', TEMPLATE_STRING_IF_INVALID='%s', TEMPLATE_DEBUG=%s): %s -- FAILED. Expected %r, got %r" % (is_cached, invalid_str, template_debug, name, result, output))
                cache_loader.reset()

            if 'LANGUAGE_CODE' in vals[1]:
                deactivate()

            if template_base.invalid_var_format_string:
                expected_invalid_str = 'INVALID'
                template_base.invalid_var_format_string = False

        loader.template_source_loaders = old_template_loaders
        deactivate()
        settings.TEMPLATE_DEBUG = old_td
        settings.TEMPLATE_STRING_IF_INVALID = old_invalid
        settings.ALLOWED_INCLUDE_ROOTS = old_allowed_include_roots

        self.assertEqual(failures, [], "Tests failed:\n%s\n%s" %
            ('-'*70, ("\n%s\n" % ('-'*70)).join(failures)))

    def render(self, test_template, vals):
        context = template.Context(vals[1])
        before_stack_size = len(context.dicts)
        output = test_template.render(context)
        if len(context.dicts) != before_stack_size:
            raise ContextStackException
        return output

    def get_template_tests(self):
        # SYNTAX --
        # 'template_name': ('template contents', 'context dict', 'expected string output' or Exception class)
        return {
            ### BASIC SYNTAX ################################################

            # Plain text should go through the template parser untouched
            'basic-syntax01': ("something cool", {}, "something cool"),

            # Variables should be replaced with their value in the current
            # context
            'basic-syntax02': ("{{ headline }}", {'headline':'Success'}, "Success"),

            # More than one replacement variable is allowed in a template
            'basic-syntax03': ("{{ first }} --- {{ second }}", {"first" : 1, "second" : 2}, "1 --- 2"),

            # Fail silently when a variable is not found in the current context
            'basic-syntax04': ("as{{ missing }}df", {}, ("asdf","asINVALIDdf")),

            # A variable may not contain more than one word
            'basic-syntax06': ("{{ multi word variable }}", {}, template.TemplateSyntaxError),

            # Raise TemplateSyntaxError for empty variable tags
            'basic-syntax07': ("{{ }}",        {}, template.TemplateSyntaxError),
            'basic-syntax08': ("{{        }}", {}, template.TemplateSyntaxError),

            # Attribute syntax allows a template to call an object's attribute
            'basic-syntax09': ("{{ var.method }}", {"var": SomeClass()}, "SomeClass.method"),

            # Multiple levels of attribute access are allowed
            'basic-syntax10': ("{{ var.otherclass.method }}", {"var": SomeClass()}, "OtherClass.method"),

            # Fail silently when a variable's attribute isn't found
            'basic-syntax11': ("{{ var.blech }}", {"var": SomeClass()}, ("","INVALID")),

            # Raise TemplateSyntaxError when trying to access a variable beginning with an underscore
            'basic-syntax12': ("{{ var.__dict__ }}", {"var": SomeClass()}, template.TemplateSyntaxError),

            # Raise TemplateSyntaxError when trying to access a variable containing an illegal character
            'basic-syntax13': ("{{ va>r }}", {}, template.TemplateSyntaxError),
            'basic-syntax14': ("{{ (var.r) }}", {}, template.TemplateSyntaxError),
            'basic-syntax15': ("{{ sp%am }}", {}, template.TemplateSyntaxError),
            'basic-syntax16': ("{{ eggs! }}", {}, template.TemplateSyntaxError),
            'basic-syntax17': ("{{ moo? }}", {}, template.TemplateSyntaxError),

            # Attribute syntax allows a template to call a dictionary key's value
            'basic-syntax18': ("{{ foo.bar }}", {"foo" : {"bar" : "baz"}}, "baz"),

            # Fail silently when a variable's dictionary key isn't found
            'basic-syntax19': ("{{ foo.spam }}", {"foo" : {"bar" : "baz"}}, ("","INVALID")),

            # Fail silently when accessing a non-simple method
            'basic-syntax20': ("{{ var.method2 }}", {"var": SomeClass()}, ("","INVALID")),

            # Don't get confused when parsing something that is almost, but not
            # quite, a template tag.
            'basic-syntax21': ("a {{ moo %} b", {}, "a {{ moo %} b"),
            'basic-syntax22': ("{{ moo #}", {}, "{{ moo #}"),

            # Will try to treat "moo #} {{ cow" as the variable. Not ideal, but
            # costly to work around, so this triggers an error.
            'basic-syntax23': ("{{ moo #} {{ cow }}", {"cow": "cow"}, template.TemplateSyntaxError),

            # Embedded newlines make it not-a-tag.
            'basic-syntax24': ("{{ moo\n }}", {}, "{{ moo\n }}"),

            # Literal strings are permitted inside variables, mostly for i18n
            # purposes.
            'basic-syntax25': ('{{ "fred" }}', {}, "fred"),
            'basic-syntax26': (r'{{ "\"fred\"" }}', {}, "\"fred\""),
            'basic-syntax27': (r'{{ _("\"fred\"") }}', {}, "\"fred\""),

            # regression test for ticket #12554
            # make sure a silent_variable_failure Exception is supressed
            # on dictionary and attribute lookup
            'basic-syntax28': ("{{ a.b }}", {'a': SilentGetItemClass()}, ('', 'INVALID')),
            'basic-syntax29': ("{{ a.b }}", {'a': SilentAttrClass()}, ('', 'INVALID')),

            # Something that starts like a number but has an extra lookup works as a lookup.
            'basic-syntax30': ("{{ 1.2.3 }}", {"1": {"2": {"3": "d"}}}, "d"),
            'basic-syntax31': ("{{ 1.2.3 }}", {"1": {"2": ("a", "b", "c", "d")}}, "d"),
            'basic-syntax32': ("{{ 1.2.3 }}", {"1": (("x", "x", "x", "x"), ("y", "y", "y", "y"), ("a", "b", "c", "d"))}, "d"),
            'basic-syntax33': ("{{ 1.2.3 }}", {"1": ("xxxx", "yyyy", "abcd")}, "d"),
            'basic-syntax34': ("{{ 1.2.3 }}", {"1": ({"x": "x"}, {"y": "y"}, {"z": "z", "3": "d"})}, "d"),

            # Numbers are numbers even if their digits are in the context.
            'basic-syntax35': ("{{ 1 }}", {"1": "abc"}, "1"),
            'basic-syntax36': ("{{ 1.2 }}", {"1": "abc"}, "1.2"),

            # Call methods in the top level of the context
            'basic-syntax37': ('{{ callable }}', {"callable": lambda: "foo bar"}, "foo bar"),

            # Call methods returned from dictionary lookups
            'basic-syntax38': ('{{ var.callable }}', {"var": {"callable": lambda: "foo bar"}}, "foo bar"),

            # List-index syntax allows a template to access a certain item of a subscriptable object.
            'list-index01': ("{{ var.1 }}", {"var": ["first item", "second item"]}, "second item"),

            # Fail silently when the list index is out of range.
            'list-index02': ("{{ var.5 }}", {"var": ["first item", "second item"]}, ("", "INVALID")),

            # Fail silently when the variable is not a subscriptable object.
            'list-index03': ("{{ var.1 }}", {"var": None}, ("", "INVALID")),

            # Fail silently when variable is a dict without the specified key.
            'list-index04': ("{{ var.1 }}", {"var": {}}, ("", "INVALID")),

            # Dictionary lookup wins out when dict's key is a string.
            'list-index05': ("{{ var.1 }}", {"var": {'1': "hello"}}, "hello"),

            # But list-index lookup wins out when dict's key is an int, which
            # behind the scenes is really a dictionary lookup (for a dict)
            # after converting the key to an int.
            'list-index06': ("{{ var.1 }}", {"var": {1: "hello"}}, "hello"),

            # Dictionary lookup wins out when there is a string and int version of the key.
            'list-index07': ("{{ var.1 }}", {"var": {'1': "hello", 1: "world"}}, "hello"),

            # Basic filter usage
            'filter-syntax01': ("{{ var|upper }}", {"var": "Django is the greatest!"}, "DJANGO IS THE GREATEST!"),

            # Chained filters
            'filter-syntax02': ("{{ var|upper|lower }}", {"var": "Django is the greatest!"}, "django is the greatest!"),

            # Raise TemplateSyntaxError for space between a variable and filter pipe
            'filter-syntax03': ("{{ var |upper }}", {}, template.TemplateSyntaxError),

            # Raise TemplateSyntaxError for space after a filter pipe
            'filter-syntax04': ("{{ var| upper }}", {}, template.TemplateSyntaxError),

            # Raise TemplateSyntaxError for a nonexistent filter
            'filter-syntax05': ("{{ var|does_not_exist }}", {}, template.TemplateSyntaxError),

            # Raise TemplateSyntaxError when trying to access a filter containing an illegal character
            'filter-syntax06': ("{{ var|fil(ter) }}", {}, template.TemplateSyntaxError),

            # Raise TemplateSyntaxError for invalid block tags
            'filter-syntax07': ("{% nothing_to_see_here %}", {}, template.TemplateSyntaxError),

            # Raise TemplateSyntaxError for empty block tags
            'filter-syntax08': ("{% %}", {}, template.TemplateSyntaxError),

            # Chained filters, with an argument to the first one
            'filter-syntax09': ('{{ var|removetags:"b i"|upper|lower }}', {"var": "<b><i>Yes</i></b>"}, "yes"),

            # Literal string as argument is always "safe" from auto-escaping..
            'filter-syntax10': (r'{{ var|default_if_none:" endquote\" hah" }}',
                    {"var": None}, ' endquote" hah'),

            # Variable as argument
            'filter-syntax11': (r'{{ var|default_if_none:var2 }}', {"var": None, "var2": "happy"}, 'happy'),

            # Default argument testing
            'filter-syntax12': (r'{{ var|yesno:"yup,nup,mup" }} {{ var|yesno }}', {"var": True}, 'yup yes'),

            # Fail silently for methods that raise an exception with a
            # "silent_variable_failure" attribute
            'filter-syntax13': (r'1{{ var.method3 }}2', {"var": SomeClass()}, ("12", "1INVALID2")),

            # In methods that raise an exception without a
            # "silent_variable_attribute" set to True, the exception propagates
            'filter-syntax14': (r'1{{ var.method4 }}2', {"var": SomeClass()}, (SomeOtherException, SomeOtherException, template.TemplateSyntaxError)),

            # Escaped backslash in argument
            'filter-syntax15': (r'{{ var|default_if_none:"foo\bar" }}', {"var": None}, r'foo\bar'),

            # Escaped backslash using known escape char
            'filter-syntax16': (r'{{ var|default_if_none:"foo\now" }}', {"var": None}, r'foo\now'),

            # Empty strings can be passed as arguments to filters
            'filter-syntax17': (r'{{ var|join:"" }}', {'var': ['a', 'b', 'c']}, 'abc'),

            # Make sure that any unicode strings are converted to bytestrings
            # in the final output.
            'filter-syntax18': (r'{{ var }}', {'var': UTF8Class()}, u'\u0160\u0110\u0106\u017d\u0107\u017e\u0161\u0111'),

            # Numbers as filter arguments should work
            'filter-syntax19': ('{{ var|truncatewords:1 }}', {"var": "hello world"}, "hello ..."),

            #filters should accept empty string constants
            'filter-syntax20': ('{{ ""|default_if_none:"was none" }}', {}, ""),

            # Fail silently for non-callable attribute and dict lookups which
            # raise an exception with a "silent_variable_failure" attribute
            'filter-syntax21': (r'1{{ var.silent_fail_key }}2', {"var": SomeClass()}, ("12", "1INVALID2")),
            'filter-syntax22': (r'1{{ var.silent_fail_attribute }}2', {"var": SomeClass()}, ("12", "1INVALID2")),

            # In attribute and dict lookups that raise an unexpected exception
            # without a "silent_variable_attribute" set to True, the exception
            # propagates
            'filter-syntax23': (r'1{{ var.noisy_fail_key }}2', {"var": SomeClass()}, (SomeOtherException, SomeOtherException, template.TemplateSyntaxError)),
            'filter-syntax24': (r'1{{ var.noisy_fail_attribute }}2', {"var": SomeClass()}, (SomeOtherException, SomeOtherException, template.TemplateSyntaxError)),

            ### COMMENT SYNTAX ########################################################
            'comment-syntax01': ("{# this is hidden #}hello", {}, "hello"),
            'comment-syntax02': ("{# this is hidden #}hello{# foo #}", {}, "hello"),

            # Comments can contain invalid stuff.
            'comment-syntax03': ("foo{#  {% if %}  #}", {}, "foo"),
            'comment-syntax04': ("foo{#  {% endblock %}  #}", {}, "foo"),
            'comment-syntax05': ("foo{#  {% somerandomtag %}  #}", {}, "foo"),
            'comment-syntax06': ("foo{# {% #}", {}, "foo"),
            'comment-syntax07': ("foo{# %} #}", {}, "foo"),
            'comment-syntax08': ("foo{# %} #}bar", {}, "foobar"),
            'comment-syntax09': ("foo{# {{ #}", {}, "foo"),
            'comment-syntax10': ("foo{# }} #}", {}, "foo"),
            'comment-syntax11': ("foo{# { #}", {}, "foo"),
            'comment-syntax12': ("foo{# } #}", {}, "foo"),

            ### COMMENT TAG ###########################################################
            'comment-tag01': ("{% comment %}this is hidden{% endcomment %}hello", {}, "hello"),
            'comment-tag02': ("{% comment %}this is hidden{% endcomment %}hello{% comment %}foo{% endcomment %}", {}, "hello"),

            # Comment tag can contain invalid stuff.
            'comment-tag03': ("foo{% comment %} {% if %} {% endcomment %}", {}, "foo"),
            'comment-tag04': ("foo{% comment %} {% endblock %} {% endcomment %}", {}, "foo"),
            'comment-tag05': ("foo{% comment %} {% somerandomtag %} {% endcomment %}", {}, "foo"),

            ### CYCLE TAG #############################################################
            'cycle01': ('{% cycle a %}', {}, template.TemplateSyntaxError),
            'cycle02': ('{% cycle a,b,c as abc %}{% cycle abc %}', {}, 'ab'),
            'cycle03': ('{% cycle a,b,c as abc %}{% cycle abc %}{% cycle abc %}', {}, 'abc'),
            'cycle04': ('{% cycle a,b,c as abc %}{% cycle abc %}{% cycle abc %}{% cycle abc %}', {}, 'abca'),
            'cycle05': ('{% cycle %}', {}, template.TemplateSyntaxError),
            'cycle06': ('{% cycle a %}', {}, template.TemplateSyntaxError),
            'cycle07': ('{% cycle a,b,c as foo %}{% cycle bar %}', {}, template.TemplateSyntaxError),
            'cycle08': ('{% cycle a,b,c as foo %}{% cycle foo %}{{ foo }}{{ foo }}{% cycle foo %}{{ foo }}', {}, 'abbbcc'),
            'cycle09': ("{% for i in test %}{% cycle a,b %}{{ i }},{% endfor %}", {'test': range(5)}, 'a0,b1,a2,b3,a4,'),
            'cycle10': ("{% cycle 'a' 'b' 'c' as abc %}{% cycle abc %}", {}, 'ab'),
            'cycle11': ("{% cycle 'a' 'b' 'c' as abc %}{% cycle abc %}{% cycle abc %}", {}, 'abc'),
            'cycle12': ("{% cycle 'a' 'b' 'c' as abc %}{% cycle abc %}{% cycle abc %}{% cycle abc %}", {}, 'abca'),
            'cycle13': ("{% for i in test %}{% cycle 'a' 'b' %}{{ i }},{% endfor %}", {'test': range(5)}, 'a0,b1,a2,b3,a4,'),
            'cycle14': ("{% cycle one two as foo %}{% cycle foo %}", {'one': '1','two': '2'}, '12'),
            'cycle15': ("{% for i in test %}{% cycle aye bee %}{{ i }},{% endfor %}", {'test': range(5), 'aye': 'a', 'bee': 'b'}, 'a0,b1,a2,b3,a4,'),
            'cycle16': ("{% cycle one|lower two as foo %}{% cycle foo %}", {'one': 'A','two': '2'}, 'a2'),
            'cycle17': ("{% cycle 'a' 'b' 'c' as abc silent %}{% cycle abc %}{% cycle abc %}{% cycle abc %}{% cycle abc %}", {}, ""),
            'cycle18': ("{% cycle 'a' 'b' 'c' as foo invalid_flag %}", {}, template.TemplateSyntaxError),
            'cycle19': ("{% cycle 'a' 'b' as silent %}{% cycle silent %}", {}, "ab"),
            'cycle20': ("{% cycle one two as foo %} &amp; {% cycle foo %}", {'one' : 'A & B', 'two' : 'C & D'}, "A & B &amp; C & D"),
            'cycle21': ("{% filter force_escape %}{% cycle one two as foo %} & {% cycle foo %}{% endfilter %}", {'one' : 'A & B', 'two' : 'C & D'}, "A &amp; B &amp; C &amp; D"),
            'cycle22': ("{% for x in values %}{% cycle 'a' 'b' 'c' as abc silent %}{{ x }}{% endfor %}", {'values': [1,2,3,4]}, "1234"),
            'cycle23': ("{% for x in values %}{% cycle 'a' 'b' 'c' as abc silent %}{{ abc }}{{ x }}{% endfor %}", {'values': [1,2,3,4]}, "a1b2c3a4"),
            'included-cycle': ('{{ abc }}', {'abc': 'xxx'}, 'xxx'),
            'cycle24': ("{% for x in values %}{% cycle 'a' 'b' 'c' as abc silent %}{% include 'included-cycle' %}{% endfor %}", {'values': [1,2,3,4]}, "abca"),

            ### EXCEPTIONS ############################################################

            # Raise exception for invalid template name
            'exception01': ("{% extends 'nonexistent' %}", {}, (template.TemplateDoesNotExist, template.TemplateDoesNotExist, template.TemplateSyntaxError)),

            # Raise exception for invalid template name (in variable)
            'exception02': ("{% extends nonexistent %}", {}, (template.TemplateSyntaxError, template.TemplateDoesNotExist)),

            # Raise exception for extra {% extends %} tags
            'exception03': ("{% extends 'inheritance01' %}{% block first %}2{% endblock %}{% extends 'inheritance16' %}", {}, template.TemplateSyntaxError),

            # Raise exception for custom tags used in child with {% load %} tag in parent, not in child
            'exception04': ("{% extends 'inheritance17' %}{% block first %}{% echo 400 %}5678{% endblock %}", {}, template.TemplateSyntaxError),

            ### FILTER TAG ############################################################
            'filter01': ('{% filter upper %}{% endfilter %}', {}, ''),
            'filter02': ('{% filter upper %}django{% endfilter %}', {}, 'DJANGO'),
            'filter03': ('{% filter upper|lower %}django{% endfilter %}', {}, 'django'),
            'filter04': ('{% filter cut:remove %}djangospam{% endfilter %}', {'remove': 'spam'}, 'django'),

            ### FIRSTOF TAG ###########################################################
            'firstof01': ('{% firstof a b c %}', {'a':0,'b':0,'c':0}, ''),
            'firstof02': ('{% firstof a b c %}', {'a':1,'b':0,'c':0}, '1'),
            'firstof03': ('{% firstof a b c %}', {'a':0,'b':2,'c':0}, '2'),
            'firstof04': ('{% firstof a b c %}', {'a':0,'b':0,'c':3}, '3'),
            'firstof05': ('{% firstof a b c %}', {'a':1,'b':2,'c':3}, '1'),
            'firstof06': ('{% firstof a b c %}', {'b':0,'c':3}, '3'),
            'firstof07': ('{% firstof a b "c" %}', {'a':0}, 'c'),
            'firstof08': ('{% firstof a b "c and d" %}', {'a':0,'b':0}, 'c and d'),
            'firstof09': ('{% firstof %}', {}, template.TemplateSyntaxError),

            ### FOR TAG ###############################################################
            'for-tag01': ("{% for val in values %}{{ val }}{% endfor %}", {"values": [1, 2, 3]}, "123"),
            'for-tag02': ("{% for val in values reversed %}{{ val }}{% endfor %}", {"values": [1, 2, 3]}, "321"),
            'for-tag-vars01': ("{% for val in values %}{{ forloop.counter }}{% endfor %}", {"values": [6, 6, 6]}, "123"),
            'for-tag-vars02': ("{% for val in values %}{{ forloop.counter0 }}{% endfor %}", {"values": [6, 6, 6]}, "012"),
            'for-tag-vars03': ("{% for val in values %}{{ forloop.revcounter }}{% endfor %}", {"values": [6, 6, 6]}, "321"),
            'for-tag-vars04': ("{% for val in values %}{{ forloop.revcounter0 }}{% endfor %}", {"values": [6, 6, 6]}, "210"),
            'for-tag-vars05': ("{% for val in values %}{% if forloop.first %}f{% else %}x{% endif %}{% endfor %}", {"values": [6, 6, 6]}, "fxx"),
            'for-tag-vars06': ("{% for val in values %}{% if forloop.last %}l{% else %}x{% endif %}{% endfor %}", {"values": [6, 6, 6]}, "xxl"),
            'for-tag-unpack01': ("{% for key,value in items %}{{ key }}:{{ value }}/{% endfor %}", {"items": (('one', 1), ('two', 2))}, "one:1/two:2/"),
            'for-tag-unpack03': ("{% for key, value in items %}{{ key }}:{{ value }}/{% endfor %}", {"items": (('one', 1), ('two', 2))}, "one:1/two:2/"),
            'for-tag-unpack04': ("{% for key , value in items %}{{ key }}:{{ value }}/{% endfor %}", {"items": (('one', 1), ('two', 2))}, "one:1/two:2/"),
            'for-tag-unpack05': ("{% for key ,value in items %}{{ key }}:{{ value }}/{% endfor %}", {"items": (('one', 1), ('two', 2))}, "one:1/two:2/"),
            'for-tag-unpack06': ("{% for key value in items %}{{ key }}:{{ value }}/{% endfor %}", {"items": (('one', 1), ('two', 2))}, template.TemplateSyntaxError),
            'for-tag-unpack07': ("{% for key,,value in items %}{{ key }}:{{ value }}/{% endfor %}", {"items": (('one', 1), ('two', 2))}, template.TemplateSyntaxError),
            'for-tag-unpack08': ("{% for key,value, in items %}{{ key }}:{{ value }}/{% endfor %}", {"items": (('one', 1), ('two', 2))}, template.TemplateSyntaxError),
            # Ensure that a single loopvar doesn't truncate the list in val.
            'for-tag-unpack09': ("{% for val in items %}{{ val.0 }}:{{ val.1 }}/{% endfor %}", {"items": (('one', 1), ('two', 2))}, "one:1/two:2/"),
            # Otherwise, silently truncate if the length of loopvars differs to the length of each set of items.
            'for-tag-unpack10': ("{% for x,y in items %}{{ x }}:{{ y }}/{% endfor %}", {"items": (('one', 1, 'carrot'), ('two', 2, 'orange'))}, "one:1/two:2/"),
            'for-tag-unpack11': ("{% for x,y,z in items %}{{ x }}:{{ y }},{{ z }}/{% endfor %}", {"items": (('one', 1), ('two', 2))}, ("one:1,/two:2,/", "one:1,INVALID/two:2,INVALID/")),
            'for-tag-unpack12': ("{% for x,y,z in items %}{{ x }}:{{ y }},{{ z }}/{% endfor %}", {"items": (('one', 1, 'carrot'), ('two', 2))}, ("one:1,carrot/two:2,/", "one:1,carrot/two:2,INVALID/")),
            'for-tag-unpack13': ("{% for x,y,z in items %}{{ x }}:{{ y }},{{ z }}/{% endfor %}", {"items": (('one', 1, 'carrot'), ('two', 2, 'cheese'))}, ("one:1,carrot/two:2,cheese/", "one:1,carrot/two:2,cheese/")),
            'for-tag-unpack14': ("{% for x,y in items %}{{ x }}:{{ y }}/{% endfor %}", {"items": (1, 2)}, (":/:/", "INVALID:INVALID/INVALID:INVALID/")),
            'for-tag-empty01': ("{% for val in values %}{{ val }}{% empty %}empty text{% endfor %}", {"values": [1, 2, 3]}, "123"),
            'for-tag-empty02': ("{% for val in values %}{{ val }}{% empty %}values array empty{% endfor %}", {"values": []}, "values array empty"),
            'for-tag-empty03': ("{% for val in values %}{{ val }}{% empty %}values array not found{% endfor %}", {}, "values array not found"),

            ### IF TAG ################################################################
            'if-tag01': ("{% if foo %}yes{% else %}no{% endif %}", {"foo": True}, "yes"),
            'if-tag02': ("{% if foo %}yes{% else %}no{% endif %}", {"foo": False}, "no"),
            'if-tag03': ("{% if foo %}yes{% else %}no{% endif %}", {}, "no"),

            # Filters
            'if-tag-filter01': ("{% if foo|length == 5 %}yes{% else %}no{% endif %}", {'foo': 'abcde'}, "yes"),
            'if-tag-filter02': ("{% if foo|upper == 'ABC' %}yes{% else %}no{% endif %}", {}, "no"),

            # Equality
            'if-tag-eq01': ("{% if foo == bar %}yes{% else %}no{% endif %}", {}, "yes"),
            'if-tag-eq02': ("{% if foo == bar %}yes{% else %}no{% endif %}", {'foo': 1}, "no"),
            'if-tag-eq03': ("{% if foo == bar %}yes{% else %}no{% endif %}", {'foo': 1, 'bar': 1}, "yes"),
            'if-tag-eq04': ("{% if foo == bar %}yes{% else %}no{% endif %}", {'foo': 1, 'bar': 2}, "no"),
            'if-tag-eq05': ("{% if foo == '' %}yes{% else %}no{% endif %}", {}, "no"),

            # Comparison
            'if-tag-gt-01': ("{% if 2 > 1 %}yes{% else %}no{% endif %}", {}, "yes"),
            'if-tag-gt-02': ("{% if 1 > 1 %}yes{% else %}no{% endif %}", {}, "no"),
            'if-tag-gte-01': ("{% if 1 >= 1 %}yes{% else %}no{% endif %}", {}, "yes"),
            'if-tag-gte-02': ("{% if 1 >= 2 %}yes{% else %}no{% endif %}", {}, "no"),
            'if-tag-lt-01': ("{% if 1 < 2 %}yes{% else %}no{% endif %}", {}, "yes"),
            'if-tag-lt-02': ("{% if 1 < 1 %}yes{% else %}no{% endif %}", {}, "no"),
            'if-tag-lte-01': ("{% if 1 <= 1 %}yes{% else %}no{% endif %}", {}, "yes"),
            'if-tag-lte-02': ("{% if 2 <= 1 %}yes{% else %}no{% endif %}", {}, "no"),

            # Contains
            'if-tag-in-01': ("{% if 1 in x %}yes{% else %}no{% endif %}", {'x':[1]}, "yes"),
            'if-tag-in-02': ("{% if 2 in x %}yes{% else %}no{% endif %}", {'x':[1]}, "no"),
            'if-tag-not-in-01': ("{% if 1 not in x %}yes{% else %}no{% endif %}", {'x':[1]}, "no"),
            'if-tag-not-in-02': ("{% if 2 not in x %}yes{% else %}no{% endif %}", {'x':[1]}, "yes"),

            # AND
            'if-tag-and01': ("{% if foo and bar %}yes{% else %}no{% endif %}", {'foo': True, 'bar': True}, 'yes'),
            'if-tag-and02': ("{% if foo and bar %}yes{% else %}no{% endif %}", {'foo': True, 'bar': False}, 'no'),
            'if-tag-and03': ("{% if foo and bar %}yes{% else %}no{% endif %}", {'foo': False, 'bar': True}, 'no'),
            'if-tag-and04': ("{% if foo and bar %}yes{% else %}no{% endif %}", {'foo': False, 'bar': False}, 'no'),
            'if-tag-and05': ("{% if foo and bar %}yes{% else %}no{% endif %}", {'foo': False}, 'no'),
            'if-tag-and06': ("{% if foo and bar %}yes{% else %}no{% endif %}", {'bar': False}, 'no'),
            'if-tag-and07': ("{% if foo and bar %}yes{% else %}no{% endif %}", {'foo': True}, 'no'),
            'if-tag-and08': ("{% if foo and bar %}yes{% else %}no{% endif %}", {'bar': True}, 'no'),

            # OR
            'if-tag-or01': ("{% if foo or bar %}yes{% else %}no{% endif %}", {'foo': True, 'bar': True}, 'yes'),
            'if-tag-or02': ("{% if foo or bar %}yes{% else %}no{% endif %}", {'foo': True, 'bar': False}, 'yes'),
            'if-tag-or03': ("{% if foo or bar %}yes{% else %}no{% endif %}", {'foo': False, 'bar': True}, 'yes'),
            'if-tag-or04': ("{% if foo or bar %}yes{% else %}no{% endif %}", {'foo': False, 'bar': False}, 'no'),
            'if-tag-or05': ("{% if foo or bar %}yes{% else %}no{% endif %}", {'foo': False}, 'no'),
            'if-tag-or06': ("{% if foo or bar %}yes{% else %}no{% endif %}", {'bar': False}, 'no'),
            'if-tag-or07': ("{% if foo or bar %}yes{% else %}no{% endif %}", {'foo': True}, 'yes'),
            'if-tag-or08': ("{% if foo or bar %}yes{% else %}no{% endif %}", {'bar': True}, 'yes'),

            # multiple ORs
            'if-tag-or09': ("{% if foo or bar or baz %}yes{% else %}no{% endif %}", {'baz': True}, 'yes'),

            # NOT
            'if-tag-not01': ("{% if not foo %}no{% else %}yes{% endif %}", {'foo': True}, 'yes'),
            'if-tag-not02': ("{% if not not foo %}no{% else %}yes{% endif %}", {'foo': True}, 'no'),
            # not03 to not05 removed, now TemplateSyntaxErrors

            'if-tag-not06': ("{% if foo and not bar %}yes{% else %}no{% endif %}", {}, 'no'),
            'if-tag-not07': ("{% if foo and not bar %}yes{% else %}no{% endif %}", {'foo': True, 'bar': True}, 'no'),
            'if-tag-not08': ("{% if foo and not bar %}yes{% else %}no{% endif %}", {'foo': True, 'bar': False}, 'yes'),
            'if-tag-not09': ("{% if foo and not bar %}yes{% else %}no{% endif %}", {'foo': False, 'bar': True}, 'no'),
            'if-tag-not10': ("{% if foo and not bar %}yes{% else %}no{% endif %}", {'foo': False, 'bar': False}, 'no'),

            'if-tag-not11': ("{% if not foo and bar %}yes{% else %}no{% endif %}", {}, 'no'),
            'if-tag-not12': ("{% if not foo and bar %}yes{% else %}no{% endif %}", {'foo': True, 'bar': True}, 'no'),
            'if-tag-not13': ("{% if not foo and bar %}yes{% else %}no{% endif %}", {'foo': True, 'bar': False}, 'no'),
            'if-tag-not14': ("{% if not foo and bar %}yes{% else %}no{% endif %}", {'foo': False, 'bar': True}, 'yes'),
            'if-tag-not15': ("{% if not foo and bar %}yes{% else %}no{% endif %}", {'foo': False, 'bar': False}, 'no'),

            'if-tag-not16': ("{% if foo or not bar %}yes{% else %}no{% endif %}", {}, 'yes'),
            'if-tag-not17': ("{% if foo or not bar %}yes{% else %}no{% endif %}", {'foo': True, 'bar': True}, 'yes'),
            'if-tag-not18': ("{% if foo or not bar %}yes{% else %}no{% endif %}", {'foo': True, 'bar': False}, 'yes'),
            'if-tag-not19': ("{% if foo or not bar %}yes{% else %}no{% endif %}", {'foo': False, 'bar': True}, 'no'),
            'if-tag-not20': ("{% if foo or not bar %}yes{% else %}no{% endif %}", {'foo': False, 'bar': False}, 'yes'),

            'if-tag-not21': ("{% if not foo or bar %}yes{% else %}no{% endif %}", {}, 'yes'),
            'if-tag-not22': ("{% if not foo or bar %}yes{% else %}no{% endif %}", {'foo': True, 'bar': True}, 'yes'),
            'if-tag-not23': ("{% if not foo or bar %}yes{% else %}no{% endif %}", {'foo': True, 'bar': False}, 'no'),
            'if-tag-not24': ("{% if not foo or bar %}yes{% else %}no{% endif %}", {'foo': False, 'bar': True}, 'yes'),
            'if-tag-not25': ("{% if not foo or bar %}yes{% else %}no{% endif %}", {'foo': False, 'bar': False}, 'yes'),

            'if-tag-not26': ("{% if not foo and not bar %}yes{% else %}no{% endif %}", {}, 'yes'),
            'if-tag-not27': ("{% if not foo and not bar %}yes{% else %}no{% endif %}", {'foo': True, 'bar': True}, 'no'),
            'if-tag-not28': ("{% if not foo and not bar %}yes{% else %}no{% endif %}", {'foo': True, 'bar': False}, 'no'),
            'if-tag-not29': ("{% if not foo and not bar %}yes{% else %}no{% endif %}", {'foo': False, 'bar': True}, 'no'),
            'if-tag-not30': ("{% if not foo and not bar %}yes{% else %}no{% endif %}", {'foo'…