Method test_idempotent

Lib/test/test_interpreters/test_api.py:209–236

(self)

        self.assertNotEqual(current, main)

    def test_idempotent(self):
        with self.subTest('main'):
            cur1 = interpreters.get_current()
            cur2 = interpreters.get_current()
            self.assertIs(cur1, cur2)

        with self.subTest('subinterpreter'):
            interp = interpreters.create()
            out = _run_output(interp, dedent("""
                from concurrent import interpreters
                cur = interpreters.get_current()
                print(id(cur))
                cur = interpreters.get_current()
                print(id(cur))
                """))
            objid1, objid2 = (int(v) for v in out.splitlines())
            self.assertEqual(objid1, objid2)

        with self.subTest('per-interpreter'):
            interp = interpreters.create()
            out = _run_output(interp, dedent("""
                from concurrent import interpreters
                cur = interpreters.get_current()
                print(id(cur))
                """))
            id1 = int(out)
            id2 = id(interp)
            self.assertNotEqual(id1, id2)

    @requires_test_modules
    def test_created_with_capi(self):