from template_tests.utils import setup

from django.template import TemplateSyntaxError
from django.test import SimpleTestCase


class I18nGetCurrentLanguageTagTests(SimpleTestCase):
    libraries = {'i18n': 'django.templatetags.i18n'}

    @setup({'template': '{% load i18n %} {% get_current_language %}'})
    def test_no_as_var(self):
        msg = "'get_current_language' requires 'as variable' (got ['get_current_language'])"
        with self.assertRaisesMessage(TemplateSyntaxError, msg):
            self.engine.render_to_string('template')
