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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(chttpd_socket_buffer_size_test).
-include_lib("couch/include/couch_eunit.hrl").
-include_lib("couch/include/couch_db.hrl").
-define(USER, "chttpd_db_socket_buffer_size_test_admin").
-define(PASS, "pass").
-define(AUTH, {basic_auth, {?USER, ?PASS}}).
-define(CONTENT_JSON, {"Content-Type", "application/json"}).
setup() ->
Hashed = couch_passwords:hash_admin_password(?PASS),
ok = config:set("admins", ?USER, ?b2l(Hashed), _Persist=false),
SocketOptions = config:get("chttpd", "socket_options"),
Db = ?tempdb(),
Addr = config:get("chttpd", "bind_address", "127.0.0.1"),
Port = integer_to_list(mochiweb_socket_server:get(chttpd, port)),
Url = "http://" ++ Addr ++ ":" ++ Port ++ "/" ++ ?b2l(Db),
create_db(Url),
{Db, SocketOptions}.
teardown({Db, SocketOptions}) ->
delete_db(url(Db)),
ok = config:delete("chttpd", "socket_options", _Persist=false),
ok = config:delete("admins", ?USER, _Persist=false),
case SocketOptions of
undefined ->
ok;
_ ->
ok = config:set("chttpd", "socket_options", SocketOptions)
end.
socket_buffer_size_test() ->
{
"chttpd socket_buffer_size_test",
{
setup,
fun chttpd_test_util:start_couch/0,
fun chttpd_test_util:stop_couch/1,
{
foreach,
fun setup/0, fun teardown/1,
[
fun buffer_too_small_url_fails/1,
fun buffer_too_small_header_fails/1,
fun recbuf_too_small_url_fails/1,
fun recbuf_too_small_header_fails/1,
fun default_buffer_settings_work/1
]
}
}
}.
buffer_too_small_url_fails({Db, _}) ->
?_test(begin
restart_chttpd("[{buffer, 1024}]"),
Id = data(1500),
Status1 = put_req(url(Db) ++ "/" ++ Id, "{}"),
?assertEqual(400, Status1),
restart_chttpd("[{buffer, 2048}]"),
Status2 = put_req(url(Db) ++ "/" ++ Id, "{}"),
?assert(Status2 =:= 201 orelse Status2 =:= 202)
end).
buffer_too_small_header_fails({Db, _}) ->
?_test(begin
restart_chttpd("[{buffer, 1024}]"),
Headers = [{"Blah", data(1500)}],
Status1 = put_req(url(Db) ++ "/d", Headers, "{}"),
?assertEqual(400, Status1),
restart_chttpd("[{buffer, 2048}]"),
Status2 = put_req(url(Db) ++ "/d", Headers, "{}"),
?assert(Status2 =:= 201 orelse Status2 =:= 202)
end).
recbuf_too_small_url_fails({Db, _}) ->
?_test(begin
restart_chttpd("[{recbuf, 1024}]"),
Id = data(1500),
Status1 = put_req(url(Db) ++ "/" ++ Id, "{}"),
?assertEqual(400, Status1),
restart_chttpd("[{recbuf, 2048}]"),
Status2 = put_req(url(Db) ++ "/" ++ Id, "{}"),
?assert(Status2 =:= 201 orelse Status2 =:= 202)
end).
recbuf_too_small_header_fails({Db, _}) ->
?_test(begin
restart_chttpd("[{recbuf, 1024}]"),
Headers = [{"Blah", data(1500)}],
Status1 = put_req(url(Db) ++ "/d", Headers, "{}"),
?assertEqual(400, Status1),
restart_chttpd("[{recbuf, 2048}]"),
Status2 = put_req(url(Db) ++ "/d", Headers, "{}"),
?assert(Status2 =:= 201 orelse Status2 =:= 202)
end).
default_buffer_settings_work({Db, _}) ->
?_test(begin
restart_chttpd("[{recbuf, undefined}]"),
Id = data(7000),
Status = put_req(url(Db) ++ "/" ++ Id, "{}"),
?assert(Status =:= 201 orelse Status =:= 202)
end).
% Helper functions
url(Db) ->
Addr = config:get("chttpd", "bind_address", "127.0.0.1"),
Port = integer_to_list(mochiweb_socket_server:get(chttpd, port)),
"http://" ++ Addr ++ ":" ++ Port ++ "/" ++ ?b2l(Db).
create_db(Url) ->
Status = put_req(Url ++ "?q=1&n=1", "{}"),
?assert(Status =:= 201 orelse Status =:= 202).
delete_db(Url) ->
{ok, 200, _, _} = test_request:delete(Url, [?AUTH]).
put_req(Url, Body) ->
put_req(Url, [], Body).
put_req(Url, Headers, Body) ->
AllHeaders = Headers ++ [?CONTENT_JSON, ?AUTH],
{ok, Status, _, _} = test_request:put(Url, AllHeaders, Body),
Status.
data(Size) ->
string:copies("x", Size).
restart_chttpd(ServerOptions) ->
ok = application:stop(chttpd),
ok = application:stop(mochiweb),
config:set("chttpd", "server_options", ServerOptions, _Persist=false),
ok = application:start(mochiweb),
ok = application:start(chttpd).
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