from django.db import DEFAULT_DB_ALIAS, connection

from django.db.models.sql import Query

from django.test import SimpleTestCase

from .models import Item

class SQLCompilerTest(SimpleTestCase):

    def test_repr(self):

        query = Query(Item)

        compiler = query.get_compiler(DEFAULT_DB_ALIAS, connection)

        self.assertEqual(

            repr(compiler),

            f"<SQLCompiler model=Item connection="

            f"<DatabaseWrapper vendor={connection.vendor!r} alias='default'> "

            f"using='default'>",

        )