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% 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, []).
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