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http2_spec_5_1_SUITE.erl
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-module(http2_spec_5_1_SUITE).
-include("http2.hrl").
-include_lib("eunit/include/eunit.hrl").
-include_lib("common_test/include/ct.hrl").
-compile([export_all]).
all() ->
[
sends_rst_stream_to_idle,
half_closed_remote_sends_headers,
sends_window_update_to_idle,
client_sends_even_stream_id,
exceeds_max_concurrent_streams,
total_streams_above_max_concurrent
].
init_per_suite(Config) ->
application:ensure_started(crypto),
Config.
end_per_suite(_Config) ->
ok.
init_per_testcase(total_streams_above_max_concurrent, Config) ->
chatterbox_test_buddy:start(
[
{max_concurrent_streams, 10},
{enable_push, 0}
|Config]
);
init_per_testcase(exceeds_max_concurrent_streams, Config) ->
chatterbox_test_buddy:start(
[
{max_concurrent_streams, 10},
{enable_push, 0}
|Config]
);
init_per_testcase(_, Config) ->
chatterbox_test_buddy:start(Config).
end_per_testcase(_, Config) ->
chatterbox_test_buddy:stop(Config),
ok.
total_streams_above_max_concurrent(Config) ->
MaxConcurrent = ?config(max_concurrent_streams, Config),
{ok, Client} = http2c:start_link(),
RequestHeaders =
[
{<<":method">>, <<"GET">>},
{<<":path">>, <<"/index.html">>},
{<<":scheme">>, <<"https">>},
{<<":authority">>, <<"localhost:8080">>},
{<<"accept">>, <<"*/*">>},
{<<"accept-encoding">>, <<"gzip, deflate">>},
{<<"user-agent">>, <<"chattercli/0.0.1 :D">>}
],
StreamIds = lists:seq(1,MaxConcurrent*2,2),
%% See Caine/Hackman Theory
AStreamTooFar = 1 + MaxConcurrent*2,
FinalEC =
lists:foldl(
fun(StreamId, EncodeContext) ->
{H1, NewEC} =
h2_frame_headers:to_frames(
StreamId,
RequestHeaders,
EncodeContext,
16384,
true),
http2c:send_unaltered_frames(Client, H1),
NewEC
end,
hpack:new_context(),
StreamIds
),
timer:sleep(100),
%% We should have a series of responses now, and zero streams
%% should be open
Resp0 = http2c:get_frames(Client,0),
?assertEqual([], Resp0),
[ begin
[{FH1,_FB1},{FH2,_FB2}] = http2c:get_frames(Client, StreamId),
?assertEqual(StreamId, (FH1#frame_header.stream_id)),
?assertEqual(?HEADERS, (FH1#frame_header.type)),
?assertEqual(StreamId, (FH2#frame_header.stream_id)),
?assertEqual(?DATA, (FH2#frame_header.type))
end || StreamId <- StreamIds],
%% Now, open AStreamTooFar
{HFinal, _UnusedEC} =
h2_frame_headers:to_frames(
AStreamTooFar,
RequestHeaders,
FinalEC,
16384,
true),
http2c:send_unaltered_frames(Client, HFinal),
%% Response should be a real response, because we haven't exceeded
%% anything
Response = http2c:wait_for_n_frames(Client, AStreamTooFar, 2),
?assertEqual(2, (length(Response))),
[{RH1,_RB1},{RH2,_RB2}] = Response,
?assertEqual(AStreamTooFar, (RH1#frame_header.stream_id)),
?assertEqual(?HEADERS, (RH1#frame_header.type)),
?assertEqual(AStreamTooFar, (RH2#frame_header.stream_id)),
?assertEqual(?DATA, (RH2#frame_header.type)),
ok.
exceeds_max_concurrent_streams(Config) ->
MaxConcurrent = ?config(max_concurrent_streams, Config),
{ok, Client} = http2c:start_link(),
RequestHeaders =
[
{<<":method">>, <<"GET">>},
{<<":path">>, <<"/index.html">>},
{<<":scheme">>, <<"https">>},
{<<":authority">>, <<"localhost:8080">>},
{<<"accept">>, <<"*/*">>},
{<<"accept-encoding">>, <<"gzip, deflate">>},
{<<"user-agent">>, <<"chattercli/0.0.1 :D">>}
],
StreamIds = lists:seq(1,MaxConcurrent*2,2),
AStreamTooFar = 1 + MaxConcurrent*2,
FinalEC =
lists:foldl(
fun(StreamId, EncodeContext) ->
{H1, NewEC} =
h2_frame_headers:to_frames(
StreamId,
RequestHeaders,
EncodeContext,
16384,
false),
http2c:send_unaltered_frames(Client, H1),
NewEC
end,
hpack:new_context(),
StreamIds
),
timer:sleep(200),
%% Now Max Streams should be open, but let's make sure we haven't
%% heard back from anyone
Resp0 = http2c:get_frames(Client,0),
?assertEqual([], Resp0),
[ begin
Resp = http2c:get_frames(Client, StreamId),
?assertEqual([], Resp)
end || StreamId <- StreamIds],
%% Now, open AStreamTooFar
{HFinal, _UnusedEC} =
h2_frame_headers:to_frames(
AStreamTooFar,
RequestHeaders,
FinalEC,
16384,
false),
http2c:send_unaltered_frames(Client, HFinal),
%% Response should be RST_STREAM ?REFUSED_STREAM
Response = http2c:wait_for_n_frames(Client, AStreamTooFar, 1),
?assertEqual(1, (length(Response))),
[{RstH, RstP}] = Response,
?assertEqual(?RST_STREAM, (RstH#frame_header.type)),
?assertEqual(?REFUSED_STREAM, (h2_frame_rst_stream:error_code(RstP))),
ok.
sends_rst_stream_to_idle(_Config) ->
{ok, Client} = http2c:start_link(),
RstStream = h2_frame_rst_stream:new(?CANCEL),
RstStreamBin = h2_frame:to_binary(
{#frame_header{
stream_id=1
},
RstStream}),
http2c:send_binary(Client, RstStreamBin),
Resp = http2c:wait_for_n_frames(Client, 0, 1),
ct:pal("Resp: ~p", [Resp]),
?assertEqual(1, (length(Resp))),
[{_GoAwayH, GoAway}] = Resp,
?assertEqual(?PROTOCOL_ERROR, (h2_frame_goaway:error_code(GoAway))),
ok.
half_closed_remote_sends_headers(_Config) ->
{ok, Client} = http2c:start_link(),
RequestHeaders =
[
{<<":method">>, <<"GET">>},
{<<":path">>, <<"/index.html">>},
{<<":scheme">>, <<"https">>},
{<<":authority">>, <<"localhost:8080">>},
{<<"accept">>, <<"*/*">>},
{<<"accept-encoding">>, <<"gzip, deflate">>},
{<<"user-agent">>, <<"chattercli/0.0.1 :D">>}
],
{H1, EC} =
h2_frame_headers:to_frames(1,
RequestHeaders,
hpack:new_context(),
16384,
true),
http2c:send_unaltered_frames(Client, H1),
%% The stream should be half closed remote now
{H2, _EC2} =
h2_frame_headers:to_frames(1,
RequestHeaders,
EC,
16384,
true),
http2c:send_unaltered_frames(Client, H2),
Resp = http2c:wait_for_n_frames(Client, 1, 3),
ct:pal("Resp: ~p", [Resp]),
?assertEqual(true, (length(Resp) >= 1)),
%% We need to find if one of these things are a RstStream
RstStreams =
lists:filter(
fun({#frame_header{type=?RST_STREAM},_}) ->
true;
(_) -> false
end,
Resp),
?assert(length(RstStreams) > 0),
{RstStreamH, RstStream} = hd(RstStreams),
?assertEqual(?RST_STREAM, (RstStreamH#frame_header.type)),
?assertEqual(?STREAM_CLOSED, (h2_frame_rst_stream:error_code(RstStream))),
ok.
sends_window_update_to_idle(_Config) ->
{ok, Client} = http2c:start_link(),
WUBin = h2_frame:to_binary(
{#frame_header{
stream_id=1
},
h2_frame_window_update:new(1)
}),
http2c:send_binary(Client, WUBin),
Resp = http2c:wait_for_n_frames(Client, 0, 1),
ct:pal("Resp: ~p", [Resp]),
?assertEqual(1, (length(Resp))),
[{GoAwayH, GoAway}] = Resp,
?assertEqual(?GOAWAY, (GoAwayH#frame_header.type)),
?assertEqual(?PROTOCOL_ERROR, (h2_frame_goaway:error_code(GoAway))),
ok.
client_sends_even_stream_id(_Config) ->
{ok, Client} = http2c:start_link(),
RequestHeaders =
[
{<<":method">>, <<"GET">>},
{<<":path">>, <<"/index.html">>},
{<<":scheme">>, <<"https">>},
{<<":authority">>, <<"localhost:8080">>},
{<<"accept">>, <<"*/*">>},
{<<"accept-encoding">>, <<"gzip, deflate">>},
{<<"user-agent">>, <<"chattercli/0.0.1 :D">>}
],
{H, _} =
h2_frame_headers:to_frames(2,
RequestHeaders,
hpack:new_context(),
16384,
false),
http2c:send_unaltered_frames(Client, H),
Resp = http2c:wait_for_n_frames(Client, 0, 1),
ct:pal("Resp: ~p", [Resp]),
?assertEqual(1, (length(Resp))),
[{GoAwayH, GoAway}] = Resp,
?assertEqual(?GOAWAY, (GoAwayH#frame_header.type)),
?assertEqual(?PROTOCOL_ERROR, (h2_frame_goaway:error_code(GoAway))),
ok.