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-module(jchat_prop_SUITE).
-include_lib("common_test/include/ct.hrl").
-include_lib("proper/include/proper.hrl").
-include("../src/jchat.hrl").
%% CT callbacks
-export([all/0, init_per_suite/1, end_per_suite/1]).
%% Test cases
-export([prop_id_validation/1,
prop_conversation_crud/1,
prop_message_crud/1,
prop_json_encoding/1]).
all() ->
[prop_id_validation,
prop_conversation_crud,
prop_message_crud,
prop_json_encoding].
init_per_suite(Config) ->
application:ensure_all_started(jchat),
timer:sleep(1000),
Config.
end_per_suite(_Config) ->
application:stop(jchat),
ok.
%% Property tests
prop_id_validation(_Config) ->
?assert(proper:quickcheck(?FORALL(Id, valid_id(),
jchat_utils:validate_id(Id) =:= true))),
?assert(proper:quickcheck(?FORALL(Id, invalid_id(),
jchat_utils:validate_id(Id) =:= false))).
prop_conversation_crud(_Config) ->
?assert(proper:quickcheck(?FORALL({Id, Attrs}, {valid_id(), conversation_attrs()},
begin
% Create
{ok, Conv} = jchat_db:create_conversation(Id, Attrs),
% Get
{ok, Conv2} = jchat_db:get_conversation(Id),
% Update
Updates = #{title => <<"Updated Title">>},
{ok, Conv3} = jchat_db:update_conversation(Id, Updates),
% Verify
Conv#conversation.id =:= Conv2#conversation.id andalso
Conv3#conversation.title =:= <<"Updated Title">>
end))).
prop_message_crud(_Config) ->
?assert(proper:quickcheck(?FORALL({ConvId, MsgId, Attrs},
{valid_id(), valid_id(), message_attrs()},
begin
% Create conversation first
ConvAttrs = #{title => <<"Test">>, participant_ids => [<<"user1">>]},
{ok, _} = jchat_db:create_conversation(ConvId, ConvAttrs),
% Create message
MsgAttrs = Attrs#{conversation_id => ConvId, sender_id => <<"user1">>},
{ok, Msg} = jchat_db:create_message(MsgId, MsgAttrs),
% Get message
{ok, Msg2} = jchat_db:get_message(MsgId),
% Verify
Msg#message.id =:= Msg2#message.id
end))).
prop_json_encoding(_Config) ->
?assert(proper:quickcheck(?FORALL(Data, json_data(),
begin
JSON = jchat_utils:json_encode(Data),
{ok, Decoded} = jchat_utils:json_decode(JSON),
normalize_json(Data) =:= normalize_json(Decoded)
end))).
%% Generators
valid_id() ->
?LET(Chars, non_empty(list(oneof([
choose($A, $Z),
choose($a, $z),
choose($0, $9),
return($-),
return($_)
]))), list_to_binary(Chars)).
invalid_id() ->
oneof([
<<>>, % Empty
?LET(N, choose(256, 1000), list_to_binary(lists:duplicate(N, $a))), % Too long
<<"invalid=chars">>, % Invalid characters
<<"spaces not allowed">> % Spaces
]).
conversation_attrs() ->
?LET({Title, Desc, Archived, Muted, Participants},
{binary(), oneof([binary(), null]), boolean(), boolean(), list(valid_id())},
#{title => Title,
description => Desc,
is_archived => Archived,
is_muted => Muted,
participant_ids => Participants}).
message_attrs() ->
?LET({Body, BodyType}, {binary(), oneof([<<"text/plain">>, <<"text/html">>])},
#{body => Body, body_type => BodyType}).
json_data() ->
?LAZY(oneof([
binary(),
integer(),
boolean(),
null,
list(json_data()),
map(binary(), json_data())
])).
%% Helpers
normalize_json(null) -> null;
normalize_json(Data) when is_map(Data) ->
maps:map(fun(_, V) -> normalize_json(V) end, Data);
normalize_json(Data) when is_list(Data) ->
[normalize_json(Item) || Item <- Data];
normalize_json(Data) -> Data.
|
