Method test_same_as_repr

Lib/test/test_pprint.py:249–291

(self)

                             "expected not isreadable for %r" % (unreadable,))

    def test_same_as_repr(self):
        # Simple objects, small containers and classes that override __repr__
        # to directly call super's __repr__.
        # For those the result should be the same as repr().
        # Ahem.  The docs don't say anything about that -- this appears to
        # be testing an implementation quirk.  Starting in Python 2.5, it's
        # not true for dicts:  pprint always sorts dicts by key now; before,
        # it sorted a dict display if and only if the display required
        # multiple lines.  For that reason, dicts with more than one element
        # aren't tested here.
        for simple in (0, 0, 0+0j, 0.0, "", b"", bytearray(),
                       (), tuple2(), tuple3(),
                       [], list2(), list3(),
                       set(), set2(), set3(),
                       frozenset(), frozenset2(), frozenset3(),
                       {}, dict2(), dict3(),
                       frozendict(), frozendict2(), frozendict3(),
                       {}.keys(), {}.values(), {}.items(),
                       MappingView({}), KeysView({}), ItemsView({}), ValuesView({}),
                       self.assertTrue, pprint,
                       -6, -6, -6-6j, -1.5, "x", b"x", bytearray(b"x"),
                       (3,), [3], {3: 6},
                       (1,2), [3,4],
                       tuple2((1,2)), tuple3((1,2)), tuple3(range(100)),
                       [3,4], list2([3,4]), list3([3,4]), list3(range(100)),
                       set({7}), set2({7}), set3({7}),
                       frozenset({8}), frozenset2({8}), frozenset3({8}),
                       {5: 6}, dict2({5: 6}), dict3({5: 6}),
                       frozendict({5: 6}), frozendict2({5: 6}), frozendict3({5: 6}),
                       {5: 6}.keys(), {5: 6}.values(), {5: 6}.items(),
                       frozendict({5: 6}).keys(), frozendict({5: 6}).values(),
                       frozendict({5: 6}).items(),
                       MappingView({5: 6}), KeysView({5: 6}),
                       ItemsView({5: 6}), ValuesView({5: 6}),
                       range(10, -11, -1),
                       True, False, None, ...,
                      ):
            native = repr(simple)
            self.assertEqual(pprint.pformat(simple), native)
            self.assertEqual(pprint.pformat(simple, width=1, indent=0)
                             .replace('\n', ' '), native)
            self.assertEqual(pprint.pformat(simple, underscore_numbers=True), native)
            self.assertEqual(pprint.saferepr(simple), native)

    def test_container_repr_override_called(self):
        N = 1000