tests.py 文件源码

def assertSQLQueries(self, model=None, check_other_fields=True):
        """
        Asserts that the SQL from the queries don't mention
        the readonly field. SELECTS are authorized, though.
        model allow you to specify the model for which readonly
        fields will be checked
        """
        model = model or Car
        readonly_fields = model.ReadonlyMeta.readonly
        with CaptureQueriesContext(connection=connection) as capture:
            yield capture

        unchecked_queries = frozenset("SELECT SAVEPOINT RELEASE".split())

        for query in self._filter_queries(capture, exclude=unchecked_queries):

            for field in readonly_fields:
                self.assertNotIn(field, query['sql'])

            if check_other_fields:
                fields = {field.name
                          for field in model._meta.fields
                          if not field.primary_key}
                read_write_fields = fields - frozenset(readonly_fields)
                for field in read_write_fields:
                    self.assertIn(field, query['sql'])