Method test_values_from_lookup_field

tests/admin_utils/tests.py:131–177

Regression test for #12654: lookup_field

(self)

    empty_value = "-empty-"

    def test_values_from_lookup_field(self):
        """
        Regression test for #12654: lookup_field
        """
        SITE_NAME = "example.com"
        TITLE_TEXT = "Some title"
        CREATED_DATE = datetime.min
        ADMIN_METHOD = "admin method"
        SIMPLE_FUNCTION = "function"
        INSTANCE_ATTRIBUTE = "attr"

        class MockModelAdmin:
            def get_admin_value(self, obj):
                return ADMIN_METHOD

        def simple_function(obj):
            return SIMPLE_FUNCTION

        site_obj = Site(domain=SITE_NAME)
        article = Article(
            site=site_obj,
            title=TITLE_TEXT,
            created=CREATED_DATE,
        )
        article.non_field = INSTANCE_ATTRIBUTE

        verifications = (
            ("site", SITE_NAME),
            ("created", localize(CREATED_DATE)),
            ("title", TITLE_TEXT),
            ("get_admin_value", ADMIN_METHOD),
            (simple_function, SIMPLE_FUNCTION),
            ("test_from_model", article.test_from_model()),
            ("non_field", INSTANCE_ATTRIBUTE),
            ("site__domain", SITE_NAME),
        )

        mock_admin = MockModelAdmin()
        for name, value in verifications:
            field, attr, resolved_value = lookup_field(name, article, mock_admin)

            if field is not None:
                resolved_value = display_for_field(
                    resolved_value, field, self.empty_value
                )

            self.assertEqual(value, resolved_value)

    def test_empty_value_display_for_field(self):
        tests = [