Benjamin Lee
9 年前
共有 11 个文件被更改，包括 443 次插入 和 227 次删除
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+1 -0.gitignore
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+1 -1README.md
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+5 -0include/ibrowse.hrl
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+23 -23src/ibrowse.erl
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+33 -47src/ibrowse_http_client.erl
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+131 -108src/ibrowse_lb.erl
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+171 -0test/ibrowse_functional_tests.erl
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+36 -36test/ibrowse_test.erl
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+39 -12test/ibrowse_test_server.erl
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test/ibrowse_functional_tests.erl
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| @ -0,0 +1,171 @@ | |||
| %%% File : ibrowse_functional_tests.erl | |||
| %%% Authors : Benjamin Lee <http://github.com/benjaminplee> | |||
| %%% Dan Schwabe <http://github.com/dfschwabe> | |||
| %%% Brian Richards <http://github.com/richbria> | |||
| %%% Description : Functional tests of the ibrowse library using a live test HTTP server | |||
| %%% Created : 18 November 2014 by Benjamin Lee <yardspoon@gmail.com> | |||
| -module(ibrowse_functional_tests). | |||
| -include_lib("eunit/include/eunit.hrl"). | |||
| -define(PER_TEST_TIMEOUT_SEC, 60). | |||
| -define(TIMEDTEST(Desc, Fun), {Desc, {timeout, ?PER_TEST_TIMEOUT_SEC, fun Fun/0}}). | |||
| -define(SERVER_PORT, 8181). | |||
| -define(BASE_URL, "http://localhost:" ++ integer_to_list(?SERVER_PORT)). | |||
| -define(SHORT_TIMEOUT_MS, 5000). | |||
| -define(LONG_TIMEOUT_MS, 30000). | |||
| -define(PAUSE_FOR_CONNECTIONS_MS, 2000). | |||
| setup() -> | |||
| application:start(crypto), | |||
| application:start(public_key), | |||
| application:start(ssl), | |||
| ibrowse_test_server:start_server(?SERVER_PORT, tcp), | |||
| ibrowse:start(), | |||
| ok. | |||
| teardown(_) -> | |||
| ibrowse:stop(), | |||
| ibrowse_test_server:stop_server(?SERVER_PORT), | |||
| ok. | |||
| running_server_fixture_test_() -> | |||
| {foreach, | |||
| fun setup/0, | |||
| fun teardown/1, | |||
| [ | |||
| ?TIMEDTEST("Simple request can be honored", simple_request), | |||
| ?TIMEDTEST("Slow server causes timeout", slow_server_timeout), | |||
| ?TIMEDTEST("Pipeline depth goes down with responses", pipeline_depth), | |||
| ?TIMEDTEST("Pipelines refill", pipeline_refill), | |||
| ?TIMEDTEST("Timeout closes pipe", closing_pipes), | |||
| ?TIMEDTEST("Requests are balanced over connections", balanced_connections), | |||
| ?TIMEDTEST("Pipeline too small signals retries", small_pipeline), | |||
| ?TIMEDTEST("Dest status can be gathered", status) | |||
| ] | |||
| }. | |||
| simple_request() -> | |||
| ?assertMatch({ok, "200", _, _}, ibrowse:send_req(?BASE_URL, [], get, [], [])). | |||
| slow_server_timeout() -> | |||
| ?assertMatch({error, req_timedout}, ibrowse:send_req(?BASE_URL ++ "/never_respond", [], get, [], [], 5000)). | |||
| pipeline_depth() -> | |||
| MaxSessions = 2, | |||
| MaxPipeline = 2, | |||
| RequestsSent = 2, | |||
| EmptyPipelineDepth = 0, | |||
| ?assertEqual([], ibrowse_test_server:get_conn_pipeline_depth()), | |||
| Fun = fun() -> ibrowse:send_req(?BASE_URL, [], get, [], [{max_sessions, MaxSessions}, {max_pipeline_size, MaxPipeline}], ?SHORT_TIMEOUT_MS) end, | |||
| times(RequestsSent, fun() -> spawn_link(Fun) end), | |||
| timer:sleep(?PAUSE_FOR_CONNECTIONS_MS), | |||
| Counts = [Count || {_Pid, Count} <- ibrowse_test_server:get_conn_pipeline_depth()], | |||
| ?assertEqual(MaxSessions, length(Counts)), | |||
| ?assertEqual(lists:duplicate(MaxSessions, EmptyPipelineDepth), Counts). | |||
| pipeline_refill() -> | |||
| MaxSessions = 2, | |||
| MaxPipeline = 2, | |||
| RequestsToFill = MaxSessions * MaxPipeline, | |||
| %% Send off enough requests to fill sessions and pipelines in rappid succession | |||
| Fun = fun() -> ibrowse:send_req(?BASE_URL, [], get, [], [{max_sessions, MaxSessions}, {max_pipeline_size, MaxPipeline}], ?SHORT_TIMEOUT_MS) end, | |||
| times(RequestsToFill, fun() -> spawn_link(Fun) end), | |||
| timer:sleep(?PAUSE_FOR_CONNECTIONS_MS), | |||
| % Verify that connections properly reported their completed responses and can still accept more | |||
| ?assertMatch({ok, "200", _, _}, ibrowse:send_req(?BASE_URL, [], get, [], [{max_sessions, MaxSessions}, {max_pipeline_size, MaxPipeline}], ?SHORT_TIMEOUT_MS)), | |||
| % and do it again to make sure we really are clear | |||
| times(RequestsToFill, fun() -> spawn_link(Fun) end), | |||
| timer:sleep(?PAUSE_FOR_CONNECTIONS_MS), | |||
| % Verify that connections properly reported their completed responses and can still accept more | |||
| ?assertMatch({ok, "200", _, _}, ibrowse:send_req(?BASE_URL, [], get, [], [{max_sessions, MaxSessions}, {max_pipeline_size, MaxPipeline}], ?SHORT_TIMEOUT_MS)). | |||
| closing_pipes() -> | |||
| MaxSessions = 2, | |||
| MaxPipeline = 2, | |||
| RequestsSent = 2, | |||
| BalancedNumberOfRequestsPerConnection = 1, | |||
| ?assertEqual([], ibrowse_test_server:get_conn_pipeline_depth()), | |||
| Fun = fun() -> ibrowse:send_req(?BASE_URL ++ "/never_respond", [], get, [], [{max_sessions, MaxSessions}, {max_pipeline_size, MaxPipeline}], ?SHORT_TIMEOUT_MS) end, | |||
| times(RequestsSent, fun() -> spawn_link(Fun) end), | |||
| timer:sleep(?PAUSE_FOR_CONNECTIONS_MS), | |||
| Counts = [Count || {_Pid, Count} <- ibrowse_test_server:get_conn_pipeline_depth()], | |||
| ?assertEqual(MaxSessions, length(Counts)), | |||
| ?assertEqual(lists:duplicate(MaxSessions, BalancedNumberOfRequestsPerConnection), Counts), | |||
| timer:sleep(?SHORT_TIMEOUT_MS), | |||
| ?assertEqual([], ibrowse_test_server:get_conn_pipeline_depth()). | |||
| balanced_connections() -> | |||
| MaxSessions = 4, | |||
| MaxPipeline = 100, | |||
| RequestsSent = 80, | |||
| BalancedNumberOfRequestsPerConnection = 20, | |||
| ?assertEqual([], ibrowse_test_server:get_conn_pipeline_depth()), | |||
| Fun = fun() -> ibrowse:send_req(?BASE_URL ++ "/never_respond", [], get, [], [{max_sessions, MaxSessions}, {max_pipeline_size, MaxPipeline}], ?LONG_TIMEOUT_MS) end, | |||
| times(RequestsSent, fun() -> spawn_link(Fun) end), | |||
| timer:sleep(?PAUSE_FOR_CONNECTIONS_MS), | |||
| Counts = [Count || {_Pid, Count} <- ibrowse_test_server:get_conn_pipeline_depth()], | |||
| ?assertEqual(MaxSessions, length(Counts)), | |||
| ?assertEqual(lists:duplicate(MaxSessions, BalancedNumberOfRequestsPerConnection), Counts). | |||
| small_pipeline() -> | |||
| MaxSessions = 10, | |||
| MaxPipeline = 10, | |||
| RequestsSent = 100, | |||
| FullRequestsPerConnection = 10, | |||
| ?assertEqual([], ibrowse_test_server:get_conn_pipeline_depth()), | |||
| Fun = fun() -> ibrowse:send_req(?BASE_URL ++ "/never_respond", [], get, [], [{max_sessions, MaxSessions}, {max_pipeline_size, MaxPipeline}], ?SHORT_TIMEOUT_MS) end, | |||
| times(RequestsSent, fun() -> spawn(Fun) end), | |||
| timer:sleep(?PAUSE_FOR_CONNECTIONS_MS), %% Wait for everyone to get in line | |||
| Counts = [Count || {_Pid, Count} <- ibrowse_test_server:get_conn_pipeline_depth()], | |||
| ?assertEqual(MaxSessions, length(Counts)), | |||
| ?assertEqual(lists:duplicate(MaxSessions, FullRequestsPerConnection), Counts), | |||
| Response = ibrowse:send_req(?BASE_URL ++ "/never_respond", [], get, [], [{max_sessions, MaxSessions}, {max_pipeline_size, MaxPipeline}], ?SHORT_TIMEOUT_MS), | |||
| ?assertEqual({error, retry_later}, Response). | |||
| status() -> | |||
| MaxSessions = 10, | |||
| MaxPipeline = 10, | |||
| RequestsSent = 100, | |||
| Fun = fun() -> ibrowse:send_req(?BASE_URL ++ "/never_respond", [], get, [], [{max_sessions, MaxSessions}, {max_pipeline_size, MaxPipeline}], ?SHORT_TIMEOUT_MS) end, | |||
| times(RequestsSent, fun() -> spawn(Fun) end), | |||
| timer:sleep(?PAUSE_FOR_CONNECTIONS_MS), %% Wait for everyone to get in line | |||
| ibrowse:show_dest_status(), | |||
| ibrowse:show_dest_status("http://localhost:8181"). | |||
| times(0, _) -> | |||
| ok; | |||
| times(X, Fun) -> | |||
| Fun(), | |||
| times(X - 1, Fun). | |||