| % 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_replicator_large_atts_tests). |
| |
| -include("couch_eunit.hrl"). |
| -include_lib("couchdb/couch_db.hrl"). |
| |
| -define(ADMIN_ROLE, #user_ctx{roles=[<<"_admin">>]}). |
| -define(ADMIN_USER, {user_ctx, ?ADMIN_ROLE}). |
| -define(ATT_SIZE_1, 2 * 1024 * 1024). |
| -define(ATT_SIZE_2, round(6.6 * 1024 * 1024)). |
| -define(DOCS_COUNT, 11). |
| -define(TIMEOUT_EUNIT, 30). |
| -define(TIMEOUT_STOP, 1000). |
| |
| |
| setup() -> |
| DbName = ?tempdb(), |
| {ok, Db} = couch_db:create(DbName, [?ADMIN_USER]), |
| ok = couch_db:close(Db), |
| DbName. |
| |
| setup(local) -> |
| setup(); |
| setup(remote) -> |
| {remote, setup()}; |
| setup({A, B}) -> |
| {ok, _} = couch_server_sup:start_link(?CONFIG_CHAIN), |
| couch_config:set("attachments", "compressible_types", "text/*", false), |
| Source = setup(A), |
| Target = setup(B), |
| {Source, Target}. |
| |
| teardown({remote, DbName}) -> |
| teardown(DbName); |
| teardown(DbName) -> |
| ok = couch_server:delete(DbName, [?ADMIN_USER]), |
| ok. |
| |
| teardown(_, {Source, Target}) -> |
| teardown(Source), |
| teardown(Target), |
| |
| Pid = whereis(couch_server_sup), |
| erlang:monitor(process, Pid), |
| couch_server_sup:stop(), |
| receive |
| {'DOWN', _, _, Pid, _} -> |
| ok |
| after ?TIMEOUT_STOP -> |
| throw({timeout, server_stop}) |
| end. |
| |
| |
| large_atts_test_() -> |
| Pairs = [{local, local}, {local, remote}, |
| {remote, local}, {remote, remote}], |
| { |
| "Replicate docs with large attachments", |
| { |
| foreachx, |
| fun setup/1, fun teardown/2, |
| [{Pair, fun should_populate_replicate_compact/2} |
| || Pair <- Pairs] |
| } |
| }. |
| |
| |
| should_populate_replicate_compact({From, To}, {Source, Target}) -> |
| {lists:flatten(io_lib:format("~p -> ~p", [From, To])), |
| {inorder, [should_populate_source(Source), |
| should_replicate(Source, Target), |
| should_compare_databases(Source, Target)]}}. |
| |
| should_populate_source({remote, Source}) -> |
| should_populate_source(Source); |
| should_populate_source(Source) -> |
| {timeout, ?TIMEOUT_EUNIT, ?_test(populate_db(Source, ?DOCS_COUNT))}. |
| |
| should_replicate({remote, Source}, Target) -> |
| should_replicate(db_url(Source), Target); |
| should_replicate(Source, {remote, Target}) -> |
| should_replicate(Source, db_url(Target)); |
| should_replicate(Source, Target) -> |
| {timeout, ?TIMEOUT_EUNIT, ?_test(replicate(Source, Target))}. |
| |
| should_compare_databases({remote, Source}, Target) -> |
| should_compare_databases(Source, Target); |
| should_compare_databases(Source, {remote, Target}) -> |
| should_compare_databases(Source, Target); |
| should_compare_databases(Source, Target) -> |
| {timeout, ?TIMEOUT_EUNIT, ?_test(compare_dbs(Source, Target))}. |
| |
| |
| populate_db(DbName, DocCount) -> |
| {ok, Db} = couch_db:open_int(DbName, []), |
| Docs = lists:foldl( |
| fun(DocIdCounter, Acc) -> |
| Doc = #doc{ |
| id = iolist_to_binary(["doc", integer_to_list(DocIdCounter)]), |
| body = {[]}, |
| atts = [ |
| att(<<"att1">>, ?ATT_SIZE_1, <<"text/plain">>), |
| att(<<"att2">>, ?ATT_SIZE_2, <<"app/binary">>) |
| ] |
| }, |
| [Doc | Acc] |
| end, |
| [], lists:seq(1, DocCount)), |
| {ok, _} = couch_db:update_docs(Db, Docs, []), |
| couch_db:close(Db). |
| |
| compare_dbs(Source, Target) -> |
| {ok, SourceDb} = couch_db:open_int(Source, []), |
| {ok, TargetDb} = couch_db:open_int(Target, []), |
| |
| Fun = fun(FullDocInfo, _, Acc) -> |
| {ok, DocSource} = couch_db:open_doc(SourceDb, FullDocInfo), |
| Id = DocSource#doc.id, |
| |
| {ok, DocTarget} = couch_db:open_doc(TargetDb, Id), |
| ?assertEqual(DocSource#doc.body, DocTarget#doc.body), |
| |
| #doc{atts = SourceAtts} = DocSource, |
| #doc{atts = TargetAtts} = DocTarget, |
| ?assertEqual(lists:sort([N || #att{name = N} <- SourceAtts]), |
| lists:sort([N || #att{name = N} <- TargetAtts])), |
| |
| FunCompareAtts = fun(#att{name = AttName} = Att) -> |
| {ok, AttTarget} = find_att(TargetAtts, AttName), |
| SourceMd5 = att_md5(Att), |
| TargetMd5 = att_md5(AttTarget), |
| case AttName of |
| <<"att1">> -> |
| ?assertEqual(gzip, Att#att.encoding), |
| ?assertEqual(gzip, AttTarget#att.encoding), |
| DecSourceMd5 = att_decoded_md5(Att), |
| DecTargetMd5 = att_decoded_md5(AttTarget), |
| ?assertEqual(DecSourceMd5, DecTargetMd5); |
| _ -> |
| ?assertEqual(identity, Att#att.encoding), |
| ?assertEqual(identity, AttTarget#att.encoding) |
| end, |
| ?assertEqual(SourceMd5, TargetMd5), |
| ?assert(is_integer(Att#att.disk_len)), |
| ?assert(is_integer(Att#att.att_len)), |
| ?assert(is_integer(AttTarget#att.disk_len)), |
| ?assert(is_integer(AttTarget#att.att_len)), |
| ?assertEqual(Att#att.disk_len, AttTarget#att.disk_len), |
| ?assertEqual(Att#att.att_len, AttTarget#att.att_len), |
| ?assertEqual(Att#att.type, AttTarget#att.type), |
| ?assertEqual(Att#att.md5, AttTarget#att.md5) |
| end, |
| |
| lists:foreach(FunCompareAtts, SourceAtts), |
| |
| {ok, Acc} |
| end, |
| |
| {ok, _, _} = couch_db:enum_docs(SourceDb, Fun, [], []), |
| ok = couch_db:close(SourceDb), |
| ok = couch_db:close(TargetDb). |
| |
| att(Name, Size, Type) -> |
| #att{ |
| name = Name, |
| type = Type, |
| att_len = Size, |
| data = fun(Count) -> crypto:strong_rand_bytes(Count) end |
| }. |
| |
| find_att([], _Name) -> |
| nil; |
| find_att([#att{name = Name} = Att | _], Name) -> |
| {ok, Att}; |
| find_att([_ | Rest], Name) -> |
| find_att(Rest, Name). |
| |
| att_md5(Att) -> |
| Md50 = couch_doc:att_foldl( |
| Att, |
| fun(Chunk, Acc) -> couch_util:md5_update(Acc, Chunk) end, |
| couch_util:md5_init()), |
| couch_util:md5_final(Md50). |
| |
| att_decoded_md5(Att) -> |
| Md50 = couch_doc:att_foldl_decode( |
| Att, |
| fun(Chunk, Acc) -> couch_util:md5_update(Acc, Chunk) end, |
| couch_util:md5_init()), |
| couch_util:md5_final(Md50). |
| |
| db_url(DbName) -> |
| iolist_to_binary([ |
| "http://", couch_config:get("httpd", "bind_address", "127.0.0.1"), |
| ":", integer_to_list(mochiweb_socket_server:get(couch_httpd, port)), |
| "/", DbName |
| ]). |
| |
| replicate(Source, Target) -> |
| RepObject = {[{<<"source">>, Source}, {<<"target">>, Target}]}, |
| {ok, Rep} = couch_replicator_utils:parse_rep_doc(RepObject, ?ADMIN_ROLE), |
| {ok, Pid} = couch_replicator:async_replicate(Rep), |
| MonRef = erlang:monitor(process, Pid), |
| receive |
| {'DOWN', MonRef, process, Pid, _} -> |
| ok |
| end. |