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path: root/src/couch_replicator/test/eunit/couch_replicator_id_too_long_tests.erl
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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_replicator_id_too_long_tests).

-include_lib("couch/include/couch_eunit.hrl").
-include_lib("couch/include/couch_db.hrl").
-include_lib("couch_replicator/src/couch_replicator.hrl").


setup(_) ->
    Ctx = test_util:start_couch([couch_replicator]),
    Source = create_db(),
    create_doc(Source),
    Target = create_db(),
    {Ctx, {Source, Target}}.


teardown(_, {Ctx, {Source, Target}}) ->
    delete_db(Source),
    delete_db(Target),
    config:set("replicator", "max_document_id_length", "infinity"),
    ok = test_util:stop_couch(Ctx).


id_too_long_replication_test_() ->
    Pairs = [{remote, remote}],
    {
        "Doc id too long tests",
        {
            foreachx,
            fun setup/1, fun teardown/2,
            [{Pair, fun should_succeed/2} || Pair <- Pairs] ++
            [{Pair, fun should_fail/2} || Pair <- Pairs]
        }
    }.


should_succeed({From, To}, {_Ctx, {Source, Target}}) ->
    RepObject = {[
        {<<"source">>, db_url(From, Source)},
        {<<"target">>, db_url(To, Target)}
    ]},
    config:set("replicator", "max_document_id_length", "5"),
    {ok, _} = couch_replicator:replicate(RepObject, ?ADMIN_USER),
    ?_assertEqual(ok, couch_replicator_test_helper:compare_dbs(Source, Target)).


should_fail({From, To}, {_Ctx, {Source, Target}}) ->
    RepObject = {[
        {<<"source">>, db_url(From, Source)},
        {<<"target">>, db_url(To, Target)}
    ]},
    config:set("replicator", "max_document_id_length", "4"),
    {ok, _} = couch_replicator:replicate(RepObject, ?ADMIN_USER),
    ?_assertError({badmatch, {not_found, missing}},
        couch_replicator_test_helper:compare_dbs(Source, Target)).


create_db() ->
    DbName = ?tempdb(),
    {ok, Db} = couch_db:create(DbName, [?ADMIN_CTX]),
    ok = couch_db:close(Db),
    DbName.


create_doc(DbName) ->
    {ok, Db} = couch_db:open(DbName, [?ADMIN_CTX]),
    Doc = couch_doc:from_json_obj({[{<<"_id">>, <<"12345">>}]}),
    {ok, _} = couch_db:update_doc(Db, Doc, []),
    couch_db:close(Db).


delete_db(DbName) ->
    ok = couch_server:delete(DbName, [?ADMIN_CTX]).


db_url(remote, DbName) ->
    Addr = config:get("httpd", "bind_address", "127.0.0.1"),
    Port = mochiweb_socket_server:get(couch_httpd, port),
    ?l2b(io_lib:format("http://~s:~b/~s", [Addr, Port, DbName])).