Method test_delegating_close

Lib/test/test_yield_from.py:226–258

Test delegating 'close'

(self)

        ])

    def test_delegating_close(self):
        """
        Test delegating 'close'
        """
        trace = []
        def g1():
            try:
                trace.append("Starting g1")
                yield "g1 ham"
                yield from g2()
                yield "g1 eggs"
            finally:
                trace.append("Finishing g1")
        def g2():
            try:
                trace.append("Starting g2")
                yield "g2 spam"
                yield "g2 more spam"
            finally:
                trace.append("Finishing g2")
        g = g1()
        for i in range(2):
            x = next(g)
            trace.append("Yielded %s" % (x,))
        g.close()
        self.assertEqual(trace,[
            "Starting g1",
            "Yielded g1 ham",
            "Starting g2",
            "Yielded g2 spam",
            "Finishing g2",
            "Finishing g1"
        ])

    def test_handing_exception_while_delegating_close(self):
        """