def test_wrapper(self):
        inst1 = {'key0': 'foo', 'key1': 'd', 'key2': 456}
        inst2 = {'key0': 'foo', 'key1': 's', 'key2': 123}

        ctx = context.RequestContext()
        ctx.cell_uuid = uuids.cell

        # Should sort by key1
        sort_ctx = multi_cell_list.RecordSortContext(['key0', 'key1'],
                                                     ['asc', 'asc'])
        iw1 = multi_cell_list.RecordWrapper(ctx, sort_ctx, inst1)
        iw2 = multi_cell_list.RecordWrapper(ctx, sort_ctx, inst2)
        # Check this both ways to make sure we're comparing against -1
        # and not just nonzero return from cmp()
        self.assertTrue(iw1 < iw2)
        self.assertFalse(iw2 < iw1)

        # Should sort reverse by key1
        sort_ctx = multi_cell_list.RecordSortContext(['key0', 'key1'],
                                                     ['asc', 'desc'])
        iw1 = multi_cell_list.RecordWrapper(ctx, sort_ctx, inst1)
        iw2 = multi_cell_list.RecordWrapper(ctx, sort_ctx, inst2)
        # Check this both ways to make sure we're comparing against -1
        # and not just nonzero return from cmp()
        self.assertTrue(iw1 > iw2)
        self.assertFalse(iw2 > iw1)

        # Make sure we can tell which cell a request came from
        self.assertEqual(uuids.cell, iw1.cell_uuid)
    def test_compare_multiple(self):
        # key0 should not affect ordering, but key1 should

        inst1 = {'key0': 'foo', 'key1': 'd', 'key2': 456}
        inst2 = {'key0': 'foo', 'key1': 's', 'key2': 123}

        # Should be equivalent to ascending by key1
        ctx = multi_cell_list.RecordSortContext(['key0', 'key1'],
                                                ['asc', 'asc'])
        self.assertEqual(-1, ctx.compare_records(inst1, inst2))

        # Should be equivalent to descending by key1
        ctx = multi_cell_list.RecordSortContext(['key0', 'key1'],
                                                ['asc', 'desc'])
        self.assertEqual(1, ctx.compare_records(inst1, inst2))
    def test_wrapper_sentinels(self):
        inst1 = {'key0': 'foo', 'key1': 'd', 'key2': 456}

        ctx = context.RequestContext()
        ctx.cell_uuid = uuids.cell

        sort_ctx = multi_cell_list.RecordSortContext(['key0', 'key1'],
                                                     ['asc', 'asc'])
        iw1 = multi_cell_list.RecordWrapper(ctx, sort_ctx, inst1)

        # Wrappers with sentinels
        iw2 = multi_cell_list.RecordWrapper(ctx, sort_ctx,
                                            context.did_not_respond_sentinel)
        iw3 = multi_cell_list.RecordWrapper(ctx, sort_ctx,
                                            context.raised_exception_sentinel)

        # NOTE(danms): The sentinel wrappers always win
        self.assertTrue(iw2 < iw1)
        self.assertTrue(iw3 < iw1)
        self.assertFalse(iw1 < iw2)
        self.assertFalse(iw1 < iw3)

        # NOTE(danms): Comparing two wrappers with sentinels will always return
        # True for less-than because we're just naive about always favoring the
        # left hand side. This is fine for our purposes but put it here to make
        # it explicit.
        self.assertTrue(iw2 < iw3)
        self.assertTrue(iw3 < iw2)
示例#4
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    def test_wrapper(self):
        inst1 = {'key0': 'foo', 'key1': 'd', 'key2': 456}
        inst2 = {'key0': 'foo', 'key1': 's', 'key2': 123}

        # Should sort by key1
        ctx = multi_cell_list.RecordSortContext(['key0', 'key1'],
                                                ['asc', 'asc'])
        iw1 = multi_cell_list.RecordWrapper(ctx, inst1)
        iw2 = multi_cell_list.RecordWrapper(ctx, inst2)
        # Check this both ways to make sure we're comparing against -1
        # and not just nonzero return from cmp()
        self.assertTrue(iw1 < iw2)
        self.assertFalse(iw2 < iw1)

        # Should sort reverse by key1
        ctx = multi_cell_list.RecordSortContext(['key0', 'key1'],
                                                ['asc', 'desc'])
        iw1 = multi_cell_list.RecordWrapper(ctx, inst1)
        iw2 = multi_cell_list.RecordWrapper(ctx, inst2)
        # Check this both ways to make sure we're comparing against -1
        # and not just nonzero return from cmp()
        self.assertTrue(iw1 > iw2)
        self.assertFalse(iw2 > iw1)
    def test_compare_simple(self):
        dt1 = datetime.datetime(2015, 11, 5, 20, 30, 00)
        dt2 = datetime.datetime(1955, 10, 25, 1, 21, 00)

        inst1 = {'key0': 'foo', 'key1': 'd', 'key2': 456, 'key4': dt1}
        inst2 = {'key0': 'foo', 'key1': 's', 'key2': 123, 'key4': dt2}

        # Equal key0, inst == inst2
        ctx = multi_cell_list.RecordSortContext(['key0'], ['asc'])
        self.assertEqual(0, ctx.compare_records(inst1, inst2))

        # Equal key0, inst == inst2 (direction should not matter)
        ctx = multi_cell_list.RecordSortContext(['key0'], ['desc'])
        self.assertEqual(0, ctx.compare_records(inst1, inst2))

        # Ascending by key1, inst1 < inst2
        ctx = multi_cell_list.RecordSortContext(['key1'], ['asc'])
        self.assertEqual(-1, ctx.compare_records(inst1, inst2))

        # Descending by key1, inst2 < inst1
        ctx = multi_cell_list.RecordSortContext(['key1'], ['desc'])
        self.assertEqual(1, ctx.compare_records(inst1, inst2))

        # Ascending by key2, inst2 < inst1
        ctx = multi_cell_list.RecordSortContext(['key2'], ['asc'])
        self.assertEqual(1, ctx.compare_records(inst1, inst2))

        # Descending by key2, inst1 < inst2
        ctx = multi_cell_list.RecordSortContext(['key2'], ['desc'])
        self.assertEqual(-1, ctx.compare_records(inst1, inst2))

        # Ascending by key4, inst1 > inst2
        ctx = multi_cell_list.RecordSortContext(['key4'], ['asc'])
        self.assertEqual(1, ctx.compare_records(inst1, inst2))

        # Descending by key4, inst1 < inst2
        ctx = multi_cell_list.RecordSortContext(['key4'], ['desc'])
        self.assertEqual(-1, ctx.compare_records(inst1, inst2))