Method _test

test/orm/test_query.py:1570–1584

(self, clause, expected, entity=None, checkparams=None)

    __dialect__ = "default"

    def _test(self, clause, expected, entity=None, checkparams=None):
        dialect = default.DefaultDialect()
        if entity is not None:
            # specify a lead entity, so that when we are testing
            # correlation, the correlation actually happens
            sess = fixture_session()
            lead = sess.query(entity)
            context = lead._compile_context()
            context.compile_state.statement._label_style = (
                LABEL_STYLE_TABLENAME_PLUS_COL
            )
            lead = context.compile_state.statement.compile(dialect=dialect)
            expected = (str(lead) + " WHERE " + expected).replace("\n", "")
            clause = sess.query(entity).filter(clause)
        self.assert_compile(clause, expected, checkparams=checkparams)

    def _test_filter_aliases(
        self, clause, expected, from_, onclause, checkparams=None