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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(fabric2_db_crud_tests).
-include_lib("couch/include/couch_eunit.hrl").
-include_lib("eunit/include/eunit.hrl").
-include("fabric2_test.hrl").
crud_test_() ->
{
"Test database CRUD operations",
{
setup,
fun setup_all/0,
fun teardown_all/1,
{
foreach,
fun setup/0,
fun cleanup/1,
[
?TDEF_FE(create_db),
?TDEF_FE(open_db),
?TDEF_FE(delete_db),
?TDEF_FE(list_dbs),
?TDEF_FE(list_dbs_user_fun),
?TDEF_FE(list_dbs_user_fun_partial),
?TDEF_FE(list_dbs_info),
?TDEF_FE(list_dbs_info_partial),
?TDEF_FE(list_dbs_tx_too_old),
?TDEF_FE(list_dbs_info_tx_too_old)
]
}
}
}.
setup_all() ->
Ctx = test_util:start_couch([fabric]),
meck:new(erlfdb, [passthrough]),
Ctx.
teardown_all(Ctx) ->
meck:unload(),
test_util:stop_couch(Ctx).
setup() ->
fabric2_test_util:tx_too_old_mock_erlfdb().
cleanup(_) ->
fabric2_test_util:tx_too_old_reset_errors().
create_db(_) ->
DbName = ?tempdb(),
?assertMatch({ok, _}, fabric2_db:create(DbName, [])),
?assertEqual(true, ets:member(fabric2_server, DbName)),
?assertEqual({error, file_exists}, fabric2_db:create(DbName, [])).
open_db(_) ->
DbName = ?tempdb(),
?assertError(database_does_not_exist, fabric2_db:open(DbName, [])),
?assertMatch({ok, _}, fabric2_db:create(DbName, [])),
?assertEqual(true, ets:member(fabric2_server, DbName)),
% Opening the cached version
?assertMatch({ok, _}, fabric2_db:open(DbName, [])),
% Remove from cache and re-open
true = ets:delete(fabric2_server, DbName),
?assertMatch({ok, _}, fabric2_db:open(DbName, [])).
delete_db(_) ->
DbName = ?tempdb(),
?assertError(database_does_not_exist, fabric2_db:delete(DbName, [])),
?assertMatch({ok, _}, fabric2_db:create(DbName, [])),
?assertEqual(true, ets:member(fabric2_server, DbName)),
?assertEqual(ok, fabric2_db:delete(DbName, [])),
?assertEqual(false, ets:member(fabric2_server, DbName)),
?assertError(database_does_not_exist, fabric2_db:open(DbName, [])).
list_dbs(_) ->
DbName = ?tempdb(),
AllDbs1 = fabric2_db:list_dbs(),
?assert(is_list(AllDbs1)),
?assert(not lists:member(DbName, AllDbs1)),
?assertMatch({ok, _}, fabric2_db:create(DbName, [])),
AllDbs2 = fabric2_db:list_dbs(),
?assert(lists:member(DbName, AllDbs2)),
?assertEqual(ok, fabric2_db:delete(DbName, [])),
AllDbs3 = fabric2_db:list_dbs(),
?assert(not lists:member(DbName, AllDbs3)).
list_dbs_user_fun(_) ->
?assertMatch({ok, _}, fabric2_db:create(?tempdb(), [])),
UserFun = fun(Row, Acc) -> {ok, [Row | Acc]} end,
{ok, UserAcc} = fabric2_db:list_dbs(UserFun, [], []),
Base = lists:foldl(fun(DbName, Acc) ->
[{row, [{id, DbName}]} | Acc]
end, [{meta, []}], fabric2_db:list_dbs()),
Expect = lists:reverse(Base, [complete]),
?assertEqual(Expect, lists:reverse(UserAcc)).
list_dbs_user_fun_partial(_) ->
UserFun = fun(Row, Acc) -> {stop, [Row | Acc]} end,
{ok, UserAcc} = fabric2_db:list_dbs(UserFun, [], []),
?assertEqual([{meta, []}], UserAcc).
list_dbs_info(_) ->
DbName = ?tempdb(),
{ok, AllDbInfos1} = fabric2_db:list_dbs_info(),
?assert(is_list(AllDbInfos1)),
?assert(not is_db_info_member(DbName, AllDbInfos1)),
?assertMatch({ok, _}, fabric2_db:create(DbName, [])),
{ok, AllDbInfos2} = fabric2_db:list_dbs_info(),
?assert(is_db_info_member(DbName, AllDbInfos2)),
?assertEqual(ok, fabric2_db:delete(DbName, [])),
{ok, AllDbInfos3} = fabric2_db:list_dbs_info(),
?assert(not is_db_info_member(DbName, AllDbInfos3)).
list_dbs_info_partial(_) ->
UserFun = fun(Row, Acc) -> {stop, [Row | Acc]} end,
{ok, UserAcc} = fabric2_db:list_dbs_info(UserFun, [], []),
?assertEqual([{meta, []}], UserAcc).
list_dbs_tx_too_old(_) ->
DbName1 = ?tempdb(),
DbName2 = ?tempdb(),
?assertMatch({ok, _}, fabric2_db:create(DbName1, [])),
?assertMatch({ok, _}, fabric2_db:create(DbName2, [])),
UserFun = fun(Row, Acc) ->
fabric2_test_util:tx_too_old_raise_in_user_fun(),
{ok, [Row | Acc]}
end,
% Get get expected output without any transactions timing out
Dbs = fabric2_db:list_dbs(UserFun, [], []),
% Blow up in fold range
fabric2_test_util:tx_too_old_setup_errors(0, 1),
?assertEqual(Dbs, fabric2_db:list_dbs(UserFun, [], [])),
% Blow up in fold_range after emitting one row
fabric2_test_util:tx_too_old_setup_errors(0, {1, 1}),
?assertEqual(Dbs, fabric2_db:list_dbs(UserFun, [], [])),
% Blow up in user fun
fabric2_test_util:tx_too_old_setup_errors(1, 0),
?assertEqual(Dbs, fabric2_db:list_dbs(UserFun, [], [])),
% Blow up in user fun after emitting one row
fabric2_test_util:tx_too_old_setup_errors({1, 1}, 0),
?assertEqual(Dbs, fabric2_db:list_dbs(UserFun, [], [])),
% Blow up in in user fun and fold range
fabric2_test_util:tx_too_old_setup_errors(1, {1, 1}),
?assertEqual(Dbs, fabric2_db:list_dbs(UserFun, [], [])),
ok = fabric2_db:delete(DbName1, []),
ok = fabric2_db:delete(DbName2, []).
list_dbs_info_tx_too_old(_) ->
% list_dbs_info uses a queue of 100 futures to fetch db infos in parallel
% so create more than 100 dbs so make sure we have 100+ dbs in our test
DbCount = 101,
DbNames = fabric2_util:pmap(fun(_) ->
DbName = ?tempdb(),
?assertMatch({ok, _}, fabric2_db:create(DbName, [])),
DbName
end, lists:seq(1, DbCount)),
UserFun = fun(Row, Acc) ->
fabric2_test_util:tx_too_old_raise_in_user_fun(),
{ok, [Row | Acc]}
end,
% This is the expected return with no tx timeouts
{ok, DbInfos} = fabric2_db:list_dbs_info(UserFun, [], []),
% Blow up in fold range on the first call
fabric2_test_util:tx_too_old_setup_errors(0, 1),
?assertEqual({ok, DbInfos}, fabric2_db:list_dbs_info(UserFun, [], [])),
% Blow up in fold_range after emitting one row
fabric2_test_util:tx_too_old_setup_errors(0, {1, 1}),
?assertEqual({ok, DbInfos}, fabric2_db:list_dbs_info(UserFun, [], [])),
% Blow up in fold_range after emitting 99 rows
fabric2_test_util:tx_too_old_setup_errors(0, {DbCount - 2, 1}),
?assertEqual({ok, DbInfos}, fabric2_db:list_dbs_info(UserFun, [], [])),
% Blow up in fold_range after emitting 100 rows
fabric2_test_util:tx_too_old_setup_errors(0, {DbCount - 1, 1}),
?assertEqual({ok, DbInfos}, fabric2_db:list_dbs_info(UserFun, [], [])),
% Blow up in user fun
fabric2_test_util:tx_too_old_setup_errors(1, 0),
?assertEqual({ok, DbInfos}, fabric2_db:list_dbs_info(UserFun, [], [])),
% Blow up in user fun after emitting one row
fabric2_test_util:tx_too_old_setup_errors({1, 1}, 0),
?assertEqual({ok, DbInfos}, fabric2_db:list_dbs_info(UserFun, [], [])),
% Blow up in user fun after emitting 99 rows
fabric2_test_util:tx_too_old_setup_errors({DbCount - 2, 1}, 0),
?assertEqual({ok, DbInfos}, fabric2_db:list_dbs_info(UserFun, [], [])),
% Blow up in user fun after emitting 100 rows
fabric2_test_util:tx_too_old_setup_errors({DbCount - 1, 1}, 0),
?assertEqual({ok, DbInfos}, fabric2_db:list_dbs_info(UserFun, [], [])),
% Blow up in in user fun and fold range
fabric2_test_util:tx_too_old_setup_errors(1, {1, 1}),
?assertEqual({ok, DbInfos}, fabric2_db:list_dbs_info(UserFun, [], [])),
fabric2_util:pmap(fun(DbName) ->
?assertEqual(ok, fabric2_db:delete(DbName, []))
end, DbNames).
is_db_info_member(_, []) ->
false;
is_db_info_member(DbName, [DbInfo | RestInfos]) ->
case lists:keyfind(db_name, 1, DbInfo) of
{db_name, DbName} ->
true;
_E ->
is_db_info_member(DbName, RestInfos)
end.
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