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GGS/games/pong_bot_e/ggs_network_eqc_test.erl
2011-05-11 09:10:07 +02:00

86 lines
2.6 KiB
Erlang

-module(ggs_network_eqc_test).
-include_lib("../../lib/eqc/include/eqc.hrl").
-compile(export_all).
start() ->
{ok, ListenSocket} = listen(),
eqc:quickcheck(prop_connect()),
gen_tcp:close(ListenSocket),
{ok, ListenSocket2} = listen(),
eqc:quickcheck(prop_receive_content(ListenSocket2)),
%gen_tcp:close(ListenSocket2),
%timer:sleep(100),
%{ok, ListenSocket} = listen(),
eqc:quickcheck(prop_receive_data(ListenSocket2)).
prop_connect() ->
{Atom, Socket} = ggs_network:connect(),
gen_tcp:close(Socket),
eqc:equals(Atom, ok).
%% ?String++\n\n -> ok
prop_receive_content(ListenSocket) ->
G = fun(N) -> String = integer_to_list(N) ++"\n\n",
accept_run_compare(String,ListenSocket, fun(X) -> ggs_network:receive_content(X) end, "\n") end,
?FORALL(NaturalNumber, nat(), G(NaturalNumber)).
%% old(String) == new(String)
prop_receive_data(ListenSocket) ->
G = fun(N) -> String = integer_to_list(N),
Length = length(String),
accept_run_compare(String,ListenSocket, fun(S) -> ggs_network:receive_data(S,Length,"") end, "") end,
?FORALL(NaturalNumber, nat(), G(NaturalNumber)).
%% Helpers
accept_run_compare(Arg, ListenSocket, Fun, Newline) ->
spawn(fun() -> {ok, AcceptSocket} = accept(ListenSocket),
gen_tcp:send(AcceptSocket, Arg),
gen_tcp:close(AcceptSocket) end),
{ok, ConnectSocket} = ggs_network:connect(),
Pid = spawn(fun() -> C = Fun(ConnectSocket),
gen_tcp:close(ConnectSocket),
receive
{From, getcontent} -> From!{C} end end ),
Pid!{self(), getcontent},
receive
{C} -> eqc:equals(C++Newline,Arg) end.
listen() ->
listen(9000).
listen(Port) ->
case gen_tcp:listen(Port, [binary, {packet, 0}, {active, false}]) of
{ok, LSock} ->
{ok, LSock};
{error, Reason} ->
io:format("Creation of listen socket failed: ~s~n", [Reason])
end.
recv(AcceptSocket) ->
gen_tcp:recv(AcceptSocket, 0).
accept(ListenSocket) ->
case gen_tcp:accept(ListenSocket) of
{ok, Socket} -> {ok, Socket};
{error, Reason} -> io:format("Error accepting listen socket~s~n", [Reason]);
_ -> io:format("Something bad happened with accept/1~n")
end.
%% new(length) == old(length) or
%% new(length) == old(length) + 1
prop_setItem() ->
ggs_db:init(),
F = (fun(T,N,K,V) -> ggs_db:setItem(T,N,K,V), ggs_db:length(T,N) end),
?FORALL({T,N,K,V},{bitstring(),bitstring(),bitstring(),bitstring()},
(ggs_db:length(T,N) + 1 == F(T,N,K,V)) or
(ggs_db:length(T,N) == F(T,N,K,V))).