Method _raises

test/sql/test_operators.py:2990–2996

(self, expr)

class NonZeroTest(fixtures.TestBase):
    def _raises(self, expr):
        assert_raises_message(
            TypeError,
            "Boolean value of this clause is not defined",
            bool,
            expr,
        )

    def _assert_true(self, expr):
        is_(bool(expr), True)