django/tests/template_tests/syntax_tests/test_debug.py

from django.contrib.auth.models import Group
from django.test import SimpleTestCase, override_settings

from ..utils import setup


@override_settings(DEBUG=True)
class DebugTests(SimpleTestCase):
    @override_settings(DEBUG=False)
    @setup({"non_debug": "{% debug %}"})
    def test_non_debug(self):
        output = self.engine.render_to_string("non_debug", {})
        self.assertEqual(output, "")

    @setup({"modules": "{% debug %}"})
    def test_modules(self):
        output = self.engine.render_to_string("modules", {})
        self.assertIn(
            "'django': <module 'django' ",
            output,
        )

    @setup({"plain": "{% debug %}"})
    def test_plain(self):
        output = self.engine.render_to_string("plain", {"a": 1})
        self.assertTrue(
            output.startswith(
                "{'a': 1}"
                "{'False': False, 'None': None, "
                "'True': True}\n\n{"
            )
        )

    @setup({"non_ascii": "{% debug %}"})
    def test_non_ascii(self):
        group = Group(name="清風")
        output = self.engine.render_to_string("non_ascii", {"group": group})
        self.assertTrue(output.startswith("{'group': <Group: 清風>}"))

    @setup({"script": "{% debug %}"})
    def test_script(self):
        output = self.engine.render_to_string("script", {"frag": "<script>"})
        self.assertTrue(
            output.startswith("{&#x27;frag&#x27;: &#x27;&lt;script&gt;&#x27;}")
        )