riak_test/tests/yz_crdt.erl

127 lines
4.2 KiB
Erlang

-module(yz_crdt).
-export([confirm/0]).
-include_lib("eunit/include/eunit.hrl").
-define(HARNESS, (rt_config:get(rt_harness))).
-define(INDEX, <<"maps">>).
-define(TYPE, <<"maps">>).
-define(KEY, "Chris Meiklejohn").
-define(BUCKET, {?TYPE, <<"testbucket">>}).
-define(GET(K,L), proplists:get_value(K, L)).
-define(CONF,
[
{riak_core,
[{ring_creation_size, 8}]
},
{yokozuna,
[{enabled, true}]
}]).
confirm() ->
rt:set_advanced_conf(all, ?CONF),
%% Configure cluster.
Nodes = rt:build_cluster(5, ?CONF),
Node = rt:select_random(Nodes),
%% Create PB connection.
Pid = rt:pbc(Node),
riakc_pb_socket:set_options(Pid, [queue_if_disconnected]),
%% Create index.
riakc_pb_socket:create_search_index(Pid, ?INDEX, <<"_yz_default">>, []),
%% Create bucket type for maps.
rt:create_and_activate_bucket_type(Node,
?TYPE,
[{datatype, map},
{search_index, ?INDEX}]),
%% Write some sample data.
Map1 = riakc_map:update(
{<<"name">>, register},
fun(R) ->
riakc_register:set(list_to_binary(?KEY), R)
end, riakc_map:new()),
Map2 = riakc_map:update(
{<<"interests">>, set},
fun(S) ->
riakc_set:add_element(<<"thing">>, S) end,
Map1),
ok = riakc_pb_socket:update_type(
Pid,
?BUCKET,
?KEY,
riakc_map:to_op(Map2)),
yokozuna_rt:drain_solrqs(Nodes),
yokozuna_rt:commit(Nodes, ?INDEX),
%% Perform simple queries, check for register, set fields.
ok = rt:wait_until(
fun() ->
validate_search_results(Pid)
end),
%% Stop PB connection.
riakc_pb_socket:stop(Pid),
pass.
validate_search_results(Pid) ->
try
{ok, {search_results, Results1a, _, _}} = riakc_pb_socket:search(
Pid, ?INDEX, <<"name_register:Chris*">>),
lager:info("Search name_register:Chris*: ~p~n", [Results1a]),
?assertEqual(length(Results1a), 1),
?assertEqual(?GET(<<"name_register">>, ?GET(?INDEX, Results1a)),
list_to_binary(?KEY)),
?assertEqual(?GET(<<"interests_set">>, ?GET(?INDEX, Results1a)),
<<"thing">>),
{ok, {search_results, Results2a, _, _}} = riakc_pb_socket:search(
Pid, ?INDEX, <<"interests_set:thing*">>),
lager:info("Search interests_set:thing*: ~p~n", [Results2a]),
?assertEqual(length(Results2a), 1),
?assertEqual(?GET(<<"name_register">>, ?GET(?INDEX, Results2a)),
list_to_binary(?KEY)),
?assertEqual(?GET(<<"interests_set">>, ?GET(?INDEX, Results2a)),
<<"thing">>),
{ok, {search_results, Results3a, _, _}} = riakc_pb_socket:search(
Pid, ?INDEX, <<"_yz_rb:testbucket">>),
lager:info("Search testbucket: ~p~n", [Results3a]),
?assertEqual(length(Results3a), 1),
?assertEqual(?GET(<<"name_register">>, ?GET(?INDEX, Results3a)),
list_to_binary(?KEY)),
?assertEqual(?GET(<<"interests_set">>, ?GET(?INDEX, Results3a)),
<<"thing">>),
%% Redo queries and check if results are equal
{ok, {search_results, Results1b, _, _}} = riakc_pb_socket:search(
Pid, ?INDEX, <<"name_register:Chris*">>),
?assertEqual(number_of_fields(Results1a),
number_of_fields(Results1b)),
{ok, {search_results, Results2b, _, _}} = riakc_pb_socket:search(
Pid, ?INDEX, <<"interests_set:thing*">>),
?assertEqual(number_of_fields(Results2a),
number_of_fields(Results2b)),
{ok, {search_results, Results3b, _, _}} = riakc_pb_socket:search(
Pid, ?INDEX, <<"_yz_rb:testbucket">>),
?assertEqual(number_of_fields(Results3a),
number_of_fields(Results3b)),
true
catch Err:Reason ->
lager:info("Waiting for CRDT search results to converge. Error was ~p.", [{Err, Reason}]),
false
end.
%% @private
number_of_fields(Resp) ->
length(?GET(?INDEX, Resp)).