| % Licensed under the Apache License, Version 2.0 (the "License"); you may not |
| % use this file except in compliance with the License. You may obtain a copy of |
| % the License at |
| % |
| % http://www.apache.org/licenses/LICENSE-2.0 |
| % |
| % Unless required by applicable law or agreed to in writing, software |
| % distributed under the License is distributed on an "AS IS" BASIS, WITHOUT |
| % WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the |
| % License for the specific language governing permissions and limitations under |
| % the License. |
| |
| -module(fabric_db_info_tests). |
| |
| |
| -include_lib("couch/include/couch_eunit.hrl"). |
| -include_lib("couch/include/couch_db.hrl"). |
| -include_lib("mem3/include/mem3.hrl"). |
| |
| |
| -define(TDEF(A), {atom_to_list(A), fun A/0}). |
| |
| |
| main_test_() -> |
| { |
| setup, |
| fun setup/0, |
| fun teardown/1, |
| [ |
| ?TDEF(t_update_seq_has_uuids) |
| ] |
| }. |
| |
| |
| setup() -> |
| test_util:start_couch([fabric]). |
| |
| |
| teardown(Ctx) -> |
| meck:unload(), |
| test_util:stop_couch(Ctx). |
| |
| |
| t_update_seq_has_uuids() -> |
| DbName = ?tempdb(), |
| ok = fabric:create_db(DbName, [{q, 1}, {n, 1}]), |
| |
| {ok, Info} = fabric:get_db_info(DbName), |
| UpdateSeq = couch_util:get_value(update_seq, Info), |
| UnpackedSeq = fabric_view_changes:decode_seq(UpdateSeq), |
| |
| ?assertMatch([{_, _, _}], UnpackedSeq), |
| [{Node, Range, Seq}] = UnpackedSeq, |
| ?assert(is_atom(Node)), |
| ?assertMatch([_, _], Range), |
| ?assertMatch({_, _, _}, Seq), |
| {SeqNum, SeqUuid, EpochNode} = Seq, |
| ?assert(is_integer(SeqNum)), |
| ?assert(is_binary(SeqUuid)), |
| ?assert(is_atom(EpochNode)), |
| |
| {ok, UuidMap} = fabric:db_uuids(DbName), |
| PrefixLen = fabric_util:get_uuid_prefix_len(), |
| Uuids = [binary:part(Uuid, {0, PrefixLen}) || Uuid <- maps:keys(UuidMap)], |
| [UuidFromShard] = Uuids, |
| ?assertEqual(UuidFromShard, SeqUuid), |
| |
| ok = fabric:delete_db(DbName, []). |