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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(couch_bt_engine_upgrade_tests).
-include_lib("couch/include/couch_eunit.hrl").
-include_lib("couch/include/couch_db.hrl").
setup() ->
Ctx = test_util:start_couch(),
DbDir = config:get("couchdb", "database_dir"),
DbFileNames = [
"db_without_purge_req.couch",
"db_with_1_purge_req.couch",
"db_with_2_purge_req.couch",
"db_with_1_purge_req_for_2_docs.couch"
],
NewPaths = lists:map(fun(DbFileName) ->
OldDbFilePath = filename:join([?FIXTURESDIR, DbFileName]),
NewDbFilePath = filename:join([DbDir, DbFileName]),
ok = filelib:ensure_dir(NewDbFilePath),
file:delete(NewDbFilePath),
{ok, _} = file:copy(OldDbFilePath, NewDbFilePath),
NewDbFilePath
end, DbFileNames),
{Ctx, NewPaths}.
teardown({Ctx, Paths}) ->
test_util:stop_couch(Ctx),
lists:foreach(fun(Path) ->
file:delete(Path)
end, Paths).
upgrade_test_() ->
{
"Couch Bt Engine Upgrade tests",
{
setup,
fun setup/0,
fun teardown/1,
[
t_upgrade_without_purge_req(),
t_upgrade_with_1_purge_req(),
t_upgrade_with_N_purge_req(),
t_upgrade_with_1_purge_req_for_2_docs()
]
}
}.
t_upgrade_without_purge_req() ->
?_test(begin
% There are three documents in the fixture
% db with zero purge entries
DbName = <<"db_without_purge_req">>,
{ok, UpgradedPurged} = couch_util:with_db(DbName, fun(Db) ->
?assertEqual(0, couch_db:get_purge_seq(Db)),
couch_db:fold_purge_infos(Db, 0, fun fold_fun/2, [])
end),
?assertEqual([], UpgradedPurged),
{ok, Rev} = save_doc(
DbName, {[{<<"_id">>, <<"doc4">>}, {<<"v">>, 1}]}
),
{ok, _} = save_doc(DbName, {[{<<"_id">>, <<"doc5">>}, {<<"v">>, 2}]}),
couch_util:with_db(DbName, fun(Db) ->
?assertEqual({ok, 5}, couch_db:get_doc_count(Db)),
?assertEqual(0, couch_db:get_purge_seq(Db))
end),
PurgeReqs = [
{couch_uuids:random(), <<"doc4">>, [Rev]}
],
{ok, [{ok, PRevs}]} = couch_util:with_db(DbName, fun(Db) ->
couch_db:purge_docs(Db, PurgeReqs)
end),
?assertEqual(PRevs, [Rev]),
couch_util:with_db(DbName, fun(Db) ->
?assertEqual({ok, 4}, couch_db:get_doc_count(Db)),
?assertEqual(1, couch_db:get_purge_seq(Db))
end)
end).
t_upgrade_with_1_purge_req() ->
?_test(begin
% There are two documents in the fixture database
% with a single purge entry
DbName = <<"db_with_1_purge_req">>,
{ok, UpgradedPurged} = couch_util:with_db(DbName, fun(Db) ->
?assertEqual(1, couch_db:get_purge_seq(Db)),
couch_db:fold_purge_infos(Db, 0, fun fold_fun/2, [])
end),
?assertEqual([{1, <<"doc1">>}], UpgradedPurged),
{ok, Rev} = save_doc(
DbName, {[{<<"_id">>, <<"doc4">>}, {<<"v">>, 1}]}
),
{ok, _} = save_doc(DbName, {[{<<"_id">>, <<"doc5">>}, {<<"v">>, 2}]}),
couch_util:with_db(DbName, fun(Db) ->
?assertEqual({ok, 4}, couch_db:get_doc_count(Db)),
?assertEqual(1, couch_db:get_purge_seq(Db))
end),
PurgeReqs = [
{couch_uuids:random(), <<"doc4">>, [Rev]}
],
{ok, [{ok, PRevs}]} = couch_util:with_db(DbName, fun(Db) ->
couch_db:purge_docs(Db, PurgeReqs)
end),
?assertEqual(PRevs, [Rev]),
couch_util:with_db(DbName, fun(Db) ->
?assertEqual({ok, 3}, couch_db:get_doc_count(Db)),
?assertEqual(2, couch_db:get_purge_seq(Db))
end)
end).
t_upgrade_with_N_purge_req() ->
?_test(begin
% There is one document in the fixture database
% with two docs that have been purged
DbName = <<"db_with_2_purge_req">>,
{ok, UpgradedPurged} = couch_util:with_db(DbName, fun(Db) ->
?assertEqual(2, couch_db:get_purge_seq(Db)),
couch_db:fold_purge_infos(Db, 1, fun fold_fun/2, [])
end),
?assertEqual([{2, <<"doc2">>}], UpgradedPurged),
{ok, Rev} = save_doc(DbName, {[{<<"_id">>, <<"doc4">>}, {<<"v">>, 1}]}),
{ok, _} = save_doc(DbName, {[{<<"_id">>, <<"doc5">>}, {<<"v">>, 2}]}),
couch_util:with_db(DbName, fun(Db) ->
?assertEqual({ok, 3}, couch_db:get_doc_count(Db)),
?assertEqual(2, couch_db:get_purge_seq(Db))
end),
PurgeReqs = [
{couch_uuids:random(), <<"doc4">>, [Rev]}
],
{ok, [{ok, PRevs}]} = couch_util:with_db(DbName, fun(Db) ->
couch_db:purge_docs(Db, PurgeReqs)
end),
?assertEqual(PRevs, [Rev]),
couch_util:with_db(DbName, fun(Db) ->
?assertEqual({ok, 2}, couch_db:get_doc_count(Db)),
?assertEqual(3, couch_db:get_purge_seq(Db))
end)
end).
t_upgrade_with_1_purge_req_for_2_docs() ->
?_test(begin
% There are two documents (Doc4 and Doc5) in the fixture database
% with three docs (Doc1, Doc2 and Doc3) that have been purged, and
% with one purge req for Doc1 and another purge req for Doc 2 and Doc3
DbName = <<"db_with_1_purge_req_for_2_docs">>,
{ok, UpgradedPurged} = couch_util:with_db(DbName, fun(Db) ->
?assertEqual(3, couch_db:get_purge_seq(Db)),
couch_db:fold_purge_infos(Db, 1, fun fold_fun/2, [])
end),
?assertEqual([{3,<<"doc2">>},{2,<<"doc3">>}], UpgradedPurged),
{ok, Rev} = save_doc(DbName, {[{<<"_id">>, <<"doc6">>}, {<<"v">>, 1}]}),
{ok, _} = save_doc(DbName, {[{<<"_id">>, <<"doc7">>}, {<<"v">>, 2}]}),
couch_util:with_db(DbName, fun(Db) ->
?assertEqual({ok, 4}, couch_db:get_doc_count(Db)),
?assertEqual(3, couch_db:get_purge_seq(Db))
end),
PurgeReqs = [
{couch_uuids:random(), <<"doc6">>, [Rev]}
],
{ok, [{ok, PRevs}]} = couch_util:with_db(DbName, fun(Db) ->
couch_db:purge_docs(Db, PurgeReqs)
end),
?assertEqual(PRevs, [Rev]),
couch_util:with_db(DbName, fun(Db) ->
?assertEqual({ok, 3}, couch_db:get_doc_count(Db)),
?assertEqual(4, couch_db:get_purge_seq(Db))
end)
end).
save_doc(DbName, Json) ->
Doc = couch_doc:from_json_obj(Json),
couch_util:with_db(DbName, fun(Db) ->
couch_db:update_doc(Db, Doc, [])
end).
fold_fun({PSeq, _UUID, Id, _Revs}, Acc) ->
{ok, [{PSeq, Id} | Acc]}.
|
