def test_compare_simple_instance_quirks(self): # Ensure uuid,asc is added ctx = instance_list.InstanceSortContext(['key0'], ['asc']) self.assertEqual(['key0', 'uuid'], ctx.sort_keys) self.assertEqual(['asc', 'asc'], ctx.sort_dirs) # Ensure defaults are added ctx = instance_list.InstanceSortContext(None, None) self.assertEqual(['created_at', 'id', 'uuid'], ctx.sort_keys) self.assertEqual(['desc', 'desc', 'asc'], ctx.sort_dirs)
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 = instance_list.InstanceSortContext(['key0', 'key1'], ['asc', 'asc']) self.assertEqual(-1, ctx.compare_instances(inst1, inst2)) # Should be equivalent to descending by key1 ctx = instance_list.InstanceSortContext(['key0', 'key1'], ['asc', 'desc']) self.assertEqual(1, ctx.compare_instances(inst1, inst2))
def test_wrapper(self): inst1 = {'key0': 'foo', 'key1': 'd', 'key2': 456} inst2 = {'key0': 'foo', 'key1': 's', 'key2': 123} # Should sort by key1 ctx = instance_list.InstanceSortContext(['key0', 'key1'], ['asc', 'asc']) iw1 = instance_list.InstanceWrapper(ctx, inst1) iw2 = instance_list.InstanceWrapper(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 = instance_list.InstanceSortContext(['key0', 'key1'], ['asc', 'desc']) iw1 = instance_list.InstanceWrapper(ctx, inst1) iw2 = instance_list.InstanceWrapper(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 = instance_list.InstanceSortContext(['key0'], ['asc']) self.assertEqual(0, ctx.compare_instances(inst1, inst2)) # Equal key0, inst == inst2 (direction should not matter) ctx = instance_list.InstanceSortContext(['key0'], ['desc']) self.assertEqual(0, ctx.compare_instances(inst1, inst2)) # Ascending by key1, inst1 < inst2 ctx = instance_list.InstanceSortContext(['key1'], ['asc']) self.assertEqual(-1, ctx.compare_instances(inst1, inst2)) # Descending by key1, inst2 < inst1 ctx = instance_list.InstanceSortContext(['key1'], ['desc']) self.assertEqual(1, ctx.compare_instances(inst1, inst2)) # Ascending by key2, inst2 < inst1 ctx = instance_list.InstanceSortContext(['key2'], ['asc']) self.assertEqual(1, ctx.compare_instances(inst1, inst2)) # Descending by key2, inst1 < inst2 ctx = instance_list.InstanceSortContext(['key2'], ['desc']) self.assertEqual(-1, ctx.compare_instances(inst1, inst2)) # Ascending by key4, inst1 > inst2 ctx = instance_list.InstanceSortContext(['key4'], ['asc']) self.assertEqual(1, ctx.compare_instances(inst1, inst2)) # Descending by key4, inst1 < inst2 ctx = instance_list.InstanceSortContext(['key4'], ['desc']) self.assertEqual(-1, ctx.compare_instances(inst1, inst2))