From 129370d9015831b7b5059686de39b25a5be5f502 Mon Sep 17 00:00:00 2001 From: Peter Andersson Date: Mon, 14 Apr 2014 15:53:35 +0200 Subject: Fix problem with substring in large message getting incorrectly reversed OTP-11871 --- lib/common_test/src/ct_telnet.erl | 7 ++-- .../ct_telnet_own_server_SUITE.erl | 42 ++++++++++++++++++++-- lib/common_test/test/telnet_server.erl | 8 +++++ 3 files changed, 51 insertions(+), 6 deletions(-) (limited to 'lib') diff --git a/lib/common_test/src/ct_telnet.erl b/lib/common_test/src/ct_telnet.erl index c9dc2338cd..44e910eb81 100644 --- a/lib/common_test/src/ct_telnet.erl +++ b/lib/common_test/src/ct_telnet.erl @@ -869,14 +869,13 @@ teln_cmd(Pid,Cmd,Prx,Timeout) -> teln_receive_until_prompt(Pid,Prx,Timeout). teln_get_all_data(Pid,Prx,Data,Acc,LastLine) -> - case check_for_prompt(Prx,lists:reverse(LastLine) ++ Data) of + case check_for_prompt(Prx,LastLine++Data) of {prompt,Lines,_PromptType,Rest} -> teln_get_all_data(Pid,Prx,Rest,[Lines|Acc],[]); {noprompt,Lines,LastLine1} -> case ct_telnet_client:get_data(Pid) of {ok,[]} -> - {ok,lists:reverse(lists:append([Lines|Acc])), - lists:reverse(LastLine1)}; + {ok,lists:reverse(lists:append([Lines|Acc])),LastLine1}; {ok,Data1} -> teln_get_all_data(Pid,Prx,Data1,[Lines|Acc],LastLine1) end @@ -1334,7 +1333,7 @@ teln_receive_until_prompt(Pid,Prx,Timeout) -> teln_receive_until_prompt(Pid,Prx,Acc,LastLine) -> {ok,Data} = ct_telnet_client:get_data(Pid), - case check_for_prompt(Prx,LastLine ++ Data) of + case check_for_prompt(Prx,LastLine++Data) of {prompt,Lines,PromptType,Rest} -> Return = lists:reverse(lists:append([Lines|Acc])), {ok,Return,PromptType,Rest}; diff --git a/lib/common_test/test/ct_telnet_SUITE_data/ct_telnet_own_server_SUITE.erl b/lib/common_test/test/ct_telnet_SUITE_data/ct_telnet_own_server_SUITE.erl index 0ee0525216..c0f79d0f10 100644 --- a/lib/common_test/test/ct_telnet_SUITE_data/ct_telnet_own_server_SUITE.erl +++ b/lib/common_test/test/ct_telnet_SUITE_data/ct_telnet_own_server_SUITE.erl @@ -16,7 +16,8 @@ suite() -> ]. all() -> - [expect, + [ + expect, expect_repeat, expect_sequence, expect_error_prompt, @@ -31,8 +32,10 @@ all() -> ignore_prompt_repeat, ignore_prompt_sequence, ignore_prompt_timeout, + large_string, server_speaks, - server_disconnects]. + server_disconnects + ]. groups() -> []. @@ -214,6 +217,41 @@ no_prompt_check_timeout(_) -> ok = ct_telnet:close(Handle), ok. +%% Check that it's possible to receive multiple chunks of data sent from +%% the server with one get_data call +large_string(_) -> + {ok, Handle} = ct_telnet:open(telnet_server_conn1), + String = "abcd efgh ijkl mnop qrst uvwx yz ", + BigString = lists:flatmap(fun(S) -> S end, + [String || _ <- lists:seq(1,10)]), + VerifyStr = [C || C <- BigString, C/=$ ], + + {ok,Data} = ct_telnet:cmd(Handle, "echo_sep "++BigString), + ct:log("[CMD] Received ~w chars: ~s", [length(lists:flatten(Data)),Data]), + VerifyStr = [C || C <- lists:flatten(Data), C/=$ , C/=$\r, C/=$\n, C/=$>], + + %% Test #1: With a long sleep value, all data gets gets buffered and + %% ct_telnet can receive it with one single request to ct_telnet_client. + %% Test #2: With a short sleep value, ct_telnet needs multiple calls to + %% ct_telnet_client to collect the data. This iterative operation should + %% yield the same result as the single request case. + + ok = ct_telnet:send(Handle, "echo_sep "++BigString), + timer:sleep(1000), + {ok,Data1} = ct_telnet:get_data(Handle), + ct:log("[GET DATA #1] Received ~w chars: ~s", + [length(lists:flatten(Data1)),Data1]), + VerifyStr = [C || C <- lists:flatten(Data1), C/=$ , C/=$\r, C/=$\n, C/=$>], + + ok = ct_telnet:send(Handle, "echo_sep "++BigString), + timer:sleep(50), + {ok,Data2} = ct_telnet:get_data(Handle), + ct:log("[GET DATA #2] Received ~w chars: ~s", [length(lists:flatten(Data2)),Data2]), + VerifyStr = [C || C <- lists:flatten(Data2), C/=$ , C/=$\r, C/=$\n, C/=$>], + + ok = ct_telnet:close(Handle), + ok. + %% The server says things. Manually check that it gets printed correctly %% in the general IO log. server_speaks(_) -> diff --git a/lib/common_test/test/telnet_server.erl b/lib/common_test/test/telnet_server.erl index ae56787819..1d341d6106 100644 --- a/lib/common_test/test/telnet_server.erl +++ b/lib/common_test/test/telnet_server.erl @@ -198,6 +198,14 @@ do_handle_data(Data,#state{authorized={user,_}}=State) -> do_handle_data("echo " ++ Data,State) -> send(Data++"\r\n> ",State), {ok,State}; +do_handle_data("echo_sep " ++ Data,State) -> + Msgs = string:tokens(Data," "), + lists:foreach(fun(Msg) -> + send(Msg,State), + timer:sleep(10) + end, Msgs), + send("\r\n> ",State), + {ok,State}; do_handle_data("echo_no_prompt " ++ Data,State) -> send(Data,State), {ok,State}; -- cgit v1.2.3 From 737c230253fe35a8265b9e2f9f4d8367ca429a66 Mon Sep 17 00:00:00 2001 From: Peter Andersson Date: Tue, 15 Apr 2014 17:47:03 +0200 Subject: Fix problem with send printout not being tagged with connection name --- lib/common_test/src/ct_telnet.erl | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'lib') diff --git a/lib/common_test/src/ct_telnet.erl b/lib/common_test/src/ct_telnet.erl index 44e910eb81..3b2652d06c 100644 --- a/lib/common_test/src/ct_telnet.erl +++ b/lib/common_test/src/ct_telnet.erl @@ -604,9 +604,12 @@ handle_msg({cmd,Cmd,Timeout},State) -> end_gen_log(), {Return,State#state{buffer=NewBuffer,prompt=Prompt}}; handle_msg({send,Cmd},State) -> + start_gen_log(heading(send,State#state.name)), log(State,send,"Sending: ~p",[Cmd]), + debug_cont_gen_log("Throwing Buffer:",[]), debug_log_lines(State#state.buffer), + case {State#state.type,State#state.prompt} of {ts,_} -> silent_teln_expect(State#state.name, @@ -626,6 +629,7 @@ handle_msg({send,Cmd},State) -> ok end, ct_telnet_client:send_data(State#state.teln_pid,Cmd), + end_gen_log(), {ok,State#state{buffer=[],prompt=false}}; handle_msg(get_data,State) -> start_gen_log(heading(get_data,State#state.name)), -- cgit v1.2.3