from django.template import TemplateSyntaxError

from django.test import SimpleTestCase

from django.utils import translation

from ...utils import setup

class I18nGetLanguageInfoTagTests(SimpleTestCase):

    libraries = {

        "custom": "template_tests.templatetags.custom",

        "i18n": "django.templatetags.i18n",

    }

    # retrieving language information

    @setup(

        {

            "i18n28_2": "{% load i18n %}"

            '{% get_language_info for "de" as l %}'

            "{{ l.code }}: {{ l.name }}/{{ l.name_local }} bidi={{ l.bidi }}"

        }

    )

    def test_i18n28_2(self):

        output = self.engine.render_to_string("i18n28_2")

        self.assertEqual(output, "de: German/Deutsch bidi=False")

    @setup(

        {

            "i18n29": "{% load i18n %}"

            "{% get_language_info for LANGUAGE_CODE as l %}"

            "{{ l.code }}: {{ l.name }}/{{ l.name_local }} bidi={{ l.bidi }}"

        }

    )

    def test_i18n29(self):

        output = self.engine.render_to_string("i18n29", {"LANGUAGE_CODE": "fi"})

        self.assertEqual(output, "fi: Finnish/suomi bidi=False")

    # Test whitespace in filter arguments

    @setup(

        {

            "i18n38": "{% load i18n custom %}"

            '{% get_language_info for "de"|noop:"x y" as l %}'

            "{{ l.code }}: {{ l.name }}/{{ l.name_local }}/"

            "{{ l.name_translated }} bidi={{ l.bidi }}"

        }

    )

    def test_i18n38(self):

        with translation.override("cs"):

            output = self.engine.render_to_string("i18n38")

        self.assertEqual(output, "de: German/Deutsch/německy bidi=False")

    @setup({"template": "{% load i18n %}{% get_language_info %}"})

    def test_no_for_as(self):

        msg = "'get_language_info' requires 'for string as variable' (got [])"

        with self.assertRaisesMessage(TemplateSyntaxError, msg):

            self.engine.render_to_string("template")