Python django.template.Library() Examples

The following are 1 code examples of django.template.Library(). You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may also want to check out all available functions/classes of the module django.template , or try the search function .
Example #1
Source File: test_parser.py    From djongo with GNU Affero General Public License v3.0 4 votes vote down vote up 
def test_filter_args_count(self):
        parser = Parser("")
        register = Library()

        @register.filter
        def no_arguments(value):
            pass

        @register.filter
        def one_argument(value, arg):
            pass

        @register.filter
        def one_opt_argument(value, arg=False):
            pass

        @register.filter
        def two_arguments(value, arg, arg2):
            pass

        @register.filter
        def two_one_opt_arg(value, arg, arg2=False):
            pass
        parser.add_library(register)
        for expr in (
                '1|no_arguments:"1"',
                '1|two_arguments',
                '1|two_arguments:"1"',
                '1|two_one_opt_arg',
        ):
            with self.assertRaises(TemplateSyntaxError):
                FilterExpression(expr, parser)
        for expr in (
                # Correct number of arguments
                '1|no_arguments',
                '1|one_argument:"1"',
                # One optional
                '1|one_opt_argument',
                '1|one_opt_argument:"1"',
                # Not supplying all
                '1|two_one_opt_arg:"1"',
        ):
            FilterExpression(expr, parser)