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#!/usr/bin/env escript
%% -*- erlang -*-
% 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.
-record(user_ctx, {
name = null,
roles = [],
handler
}).
test_db_name() ->
<<"couch_test_invalid_view_seq">>.
main(_) ->
test_util:init_code_path(),
etap:plan(10),
case (catch test()) of
ok ->
etap:end_tests();
Other ->
etap:diag(io_lib:format("Test died abnormally: ~p", [Other])),
etap:bail(Other)
end,
ok.
%% NOTE: since during the test we stop the server,
%% a huge and ugly but harmless stack trace is sent to stderr
%%
test() ->
couch_server_sup:start_link(test_util:config_files()),
timer:sleep(1000),
delete_db(),
create_db(),
create_docs(),
create_design_doc(),
% make DB file backup
backup_db_file(),
put(addr, couch_config:get("httpd", "bind_address", "127.0.0.1")),
put(port, integer_to_list(mochiweb_socket_server:get(couch_httpd, port))),
create_new_doc(),
query_view_before_restore_backup(),
% restore DB file backup after querying view
restore_backup_db_file(),
query_view_after_restore_backup(),
delete_db(),
couch_server_sup:stop(),
ok.
admin_user_ctx() ->
{user_ctx, #user_ctx{roles=[<<"_admin">>]}}.
create_db() ->
{ok, _} = couch_db:create(test_db_name(), [admin_user_ctx()]).
delete_db() ->
couch_server:delete(test_db_name(), [admin_user_ctx()]).
create_docs() ->
{ok, Db} = couch_db:open(test_db_name(), [admin_user_ctx()]),
Doc1 = couch_doc:from_json_obj({[
{<<"_id">>, <<"doc1">>},
{<<"value">>, 1}
]}),
Doc2 = couch_doc:from_json_obj({[
{<<"_id">>, <<"doc2">>},
{<<"value">>, 2}
]}),
Doc3 = couch_doc:from_json_obj({[
{<<"_id">>, <<"doc3">>},
{<<"value">>, 3}
]}),
{ok, _} = couch_db:update_docs(Db, [Doc1, Doc2, Doc3]),
couch_db:ensure_full_commit(Db),
couch_db:close(Db).
create_design_doc() ->
{ok, Db} = couch_db:open(test_db_name(), [admin_user_ctx()]),
DDoc = couch_doc:from_json_obj({[
{<<"_id">>, <<"_design/foo">>},
{<<"language">>, <<"javascript">>},
{<<"views">>, {[
{<<"bar">>, {[
{<<"map">>, <<"function(doc) { emit(doc.value, 1); }">>}
]}}
]}}
]}),
{ok, _} = couch_db:update_docs(Db, [DDoc]),
couch_db:ensure_full_commit(Db),
couch_db:close(Db).
backup_db_file() ->
DbFile = test_util:build_file("tmp/lib/" ++
binary_to_list(test_db_name()) ++ ".couch"),
{ok, _} = file:copy(DbFile, DbFile ++ ".backup"),
ok.
create_new_doc() ->
{ok, Db} = couch_db:open(test_db_name(), [admin_user_ctx()]),
Doc666 = couch_doc:from_json_obj({[
{<<"_id">>, <<"doc666">>},
{<<"value">>, 999}
]}),
{ok, _} = couch_db:update_docs(Db, [Doc666]),
couch_db:ensure_full_commit(Db),
couch_db:close(Db).
db_url() ->
"http://" ++ get(addr) ++ ":" ++ get(port) ++ "/" ++
binary_to_list(test_db_name()).
query_view_before_restore_backup() ->
{ok, Code, _Headers, Body} = test_util:request(
db_url() ++ "/_design/foo/_view/bar",
[],
get),
etap:is(Code, 200, "Got view response before restoring backup."),
ViewJson = couch_util:json_decode(Body),
Rows = couch_util:get_nested_json_value(ViewJson, [<<"rows">>]),
HasDoc1 = has_doc("doc1", Rows),
HasDoc2 = has_doc("doc2", Rows),
HasDoc3 = has_doc("doc3", Rows),
HasDoc666 = has_doc("doc666", Rows),
etap:is(HasDoc1, true, "Before backup restore, view has doc1"),
etap:is(HasDoc2, true, "Before backup restore, view has doc2"),
etap:is(HasDoc3, true, "Before backup restore, view has doc3"),
etap:is(HasDoc666, true, "Before backup restore, view has doc666"),
ok.
has_doc(DocId1, Rows) ->
DocId = iolist_to_binary(DocId1),
lists:any(
fun({R}) -> lists:member({<<"id">>, DocId}, R) end,
Rows
).
restore_backup_db_file() ->
couch_server_sup:stop(),
timer:sleep(3000),
DbFile = test_util:build_file("tmp/lib/" ++
binary_to_list(test_db_name()) ++ ".couch"),
ok = file:delete(DbFile),
ok = file:rename(DbFile ++ ".backup", DbFile),
couch_server_sup:start_link(test_util:config_files()),
timer:sleep(1000),
put(port, integer_to_list(mochiweb_socket_server:get(couch_httpd, port))),
ok.
query_view_after_restore_backup() ->
{ok, Code, _Headers, Body} = test_util:request(
db_url() ++ "/_design/foo/_view/bar",
[],
get),
etap:is(Code, 200, "Got view response after restoring backup."),
ViewJson = couch_util:json_decode(Body),
Rows = couch_util:get_nested_json_value(ViewJson, [<<"rows">>]),
HasDoc1 = has_doc("doc1", Rows),
HasDoc2 = has_doc("doc2", Rows),
HasDoc3 = has_doc("doc3", Rows),
HasDoc666 = has_doc("doc666", Rows),
etap:is(HasDoc1, true, "After backup restore, view has doc1"),
etap:is(HasDoc2, true, "After backup restore, view has doc2"),
etap:is(HasDoc3, true, "After backup restore, view has doc3"),
etap:is(HasDoc666, false, "After backup restore, view does not have doc666"),
ok.
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