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| author | Siri Hansen <[email protected]> | 2012-10-31 16:51:15 +0100 |
|---|---|---|
| committer | Siri Hansen <[email protected]> | 2012-10-31 16:51:30 +0100 |
| commit | a6d90a806eeac9a75ffbadbe1f5322d1b3a2710d (patch) | |
| tree | e4e03916764ad79af1d05eeb87e5b029b3dc9e5f /lib | |
| parent | c16c80532af30922cb222f75971cd2aecdb9e36c (diff) | |
| parent | c3d34e536e9516ab54a9f5e9a30e21043eda565b (diff) | |
| download | otp-a6d90a806eeac9a75ffbadbe1f5322d1b3a2710d.tar.gz otp-a6d90a806eeac9a75ffbadbe1f5322d1b3a2710d.tar.bz2 otp-a6d90a806eeac9a75ffbadbe1f5322d1b3a2710d.zip | |
Merge branch 'siri/cover-tests'
* siri/cover-tests: (21 commits)
[common_test] Extend timer for flushing error logger
[cover] Allow reconnection if node has been disconnected or down
[cover] Don't kill remote nodes when connection to main node is lost
[test_server] Add option {start_cover,false} to test_server:start_node
Use code:lib_dir instead of code:which to get application directory
[common_test] Add test for OTP-9956
Include all kernel modules in code coverage analysis
[common_test] Add test suite for code coverage support
[common_test, test_server] Don't flush cover if cover is not running
[common_test] Add option cover_stop
[test_server] Allow cross cover analysis when testing through common_test
[test_server] Start cover in test_server:wait_for_node
[test_server] Multiply timers with timetrap_scale_factor when starting nodes
Include all stdlib modules in code coverage analysis
[test_server] Include all test_server modules in code coverage analysis
Skip epp_SUITE:otp_8911 if cover is running
[common_test] Start cover on slave nodes if running cover tests
[common_test] Don't stop cover before stopping slave node
[test_server] Don't stop cover after test is finished
[cover] Add support for test_server
...
OTP-10427
Diffstat (limited to 'lib')
33 files changed, 1071 insertions, 245 deletions
diff --git a/lib/common_test/doc/src/cover_chapter.xml b/lib/common_test/doc/src/cover_chapter.xml index 803a71de07..b2e64bfff0 100644 --- a/lib/common_test/doc/src/cover_chapter.xml +++ b/lib/common_test/doc/src/cover_chapter.xml @@ -109,6 +109,33 @@ </section> <section> + <marker id="cover_stop"></marker> + <title>Stopping the cover tool when tests are completed</title> + <p>By default the Cover tool is automatically stopped when the + tests are completed. This causes the original (non cover + compiled) modules to be loaded back in to the test node. If a + process at this point is still running old code of any of the + modules that are cover compiled, meaning that it has not done + any fully qualified function call after the cover compilation, + the process will now be killed. To avoid this it is possible to + set the value of the <c>cover_stop</c> option to + <c>false</c>. This means that the modules will stay cover + compiled, and it is therefore only recommended if the erlang + node(s) under test is terminated after the test is completed + or if cover can be manually stopped.</p> + + <p>The option can be set by using the <c>-cover_stop</c> flag with + <c>ct_run</c>, by adding <c>{cover_stop,true|false}</c> to the + Opts argument to <c><seealso + marker="ct#run_test-1">ct:run_test/1</seealso></c>, or by adding + a <c>cover_stop</c> term in your test specification (see chapter + about <seealso + marker="run_test_chapter#test_specifications">test + specifications</seealso>).</p> + + </section> + + <section> <title>The cover specification file</title> <p>These are the terms allowed in a cover specification file:</p> diff --git a/lib/common_test/doc/src/ct_run.xml b/lib/common_test/doc/src/ct_run.xml index 9cc5495af7..da18640df7 100644 --- a/lib/common_test/doc/src/ct_run.xml +++ b/lib/common_test/doc/src/ct_run.xml @@ -104,6 +104,7 @@ [-silent_connections [ConnType1 ConnType2 .. ConnTypeN]] [-stylesheet CSSFile] [-cover CoverCfgFile] + [-cover_stop Bool] [-event_handler EvHandler1 EvHandler2 .. EvHandlerN] | [-event_handler_init EvHandler1 InitArg1 and EvHandler2 InitArg2 and .. EvHandlerN InitArgN] @@ -138,6 +139,7 @@ [-silent_connections [ConnType1 ConnType2 .. ConnTypeN]] [-stylesheet CSSFile] [-cover CoverCfgFile] + [-cover_stop Bool] [-event_handler EvHandler1 EvHandler2 .. EvHandlerN] | [-event_handler_init EvHandler1 InitArg1 and EvHandler2 InitArg2 and .. EvHandlerN InitArgN] diff --git a/lib/common_test/doc/src/run_test_chapter.xml b/lib/common_test/doc/src/run_test_chapter.xml index ea62df27cc..b5b914d506 100644 --- a/lib/common_test/doc/src/run_test_chapter.xml +++ b/lib/common_test/doc/src/run_test_chapter.xml @@ -153,6 +153,8 @@ <item><c><![CDATA[-stylesheet <css_file>]]></c>, points out a user HTML style sheet (see below).</item> <item><c><![CDATA[-cover <cover_cfg_file>]]></c>, to perform code coverage test (see <seealso marker="cover_chapter#cover">Code Coverage Analysis</seealso>).</item> + <item><c><![CDATA[-cover_stop <bool>]]></c>, to specify if the cover tool shall be stopped after the test is completed (see + <seealso marker="cover_chapter#cover_stop">Code Coverage Analysis</seealso>).</item> <item><c><![CDATA[-event_handler <event_handlers>]]></c>, to install <seealso marker="event_handler_chapter#event_handling">event handlers</seealso>.</item> <item><c><![CDATA[-event_handler_init <event_handlers>]]></c>, to install @@ -495,6 +497,9 @@ {cover, CoverSpecFile}. {cover, NodeRefs, CoverSpecFile}. + {cover_stop, Bool}. + {cover_stop, NodeRefs, Bool}. + {include, IncludeDirs}. {include, NodeRefs, IncludeDirs}. diff --git a/lib/common_test/src/ct.erl b/lib/common_test/src/ct.erl index 5014309c0f..90e4e79ccf 100644 --- a/lib/common_test/src/ct.erl +++ b/lib/common_test/src/ct.erl @@ -148,7 +148,7 @@ run(TestDirs) -> %%% {config,CfgFiles} | {userconfig, UserConfig} | %%% {allow_user_terms,Bool} | {logdir,LogDir} | %%% {silent_connections,Conns} | {stylesheet,CSSFile} | -%%% {cover,CoverSpecFile} | {step,StepOpts} | +%%% {cover,CoverSpecFile} | {cover_stop,Bool} | {step,StepOpts} | %%% {event_handler,EventHandlers} | {include,InclDirs} | %%% {auto_compile,Bool} | {create_priv_dir,CreatePrivDir} | %%% {multiply_timetraps,M} | {scale_timetraps,Bool} | diff --git a/lib/common_test/src/ct_master.erl b/lib/common_test/src/ct_master.erl index 99bec3ea09..f29eba605c 100644 --- a/lib/common_test/src/ct_master.erl +++ b/lib/common_test/src/ct_master.erl @@ -51,7 +51,7 @@ %%% {testcase,Cases} | {spec,TestSpecs} | {allow_user_terms,Bool} | %%% {logdir,LogDir} | {event_handler,EventHandlers} | %%% {silent_connections,Conns} | {cover,CoverSpecFile} | -%%% {userconfig, UserCfgFiles} +%%% {cover_stop,Bool} | {userconfig, UserCfgFiles} %%% CfgFiles = string() | [string()] %%% TestDirs = string() | [string()] %%% Suites = atom() | [atom()] diff --git a/lib/common_test/src/ct_run.erl b/lib/common_test/src/ct_run.erl index 4a6a3cdcac..ed7778c25a 100644 --- a/lib/common_test/src/ct_run.erl +++ b/lib/common_test/src/ct_run.erl @@ -58,6 +58,7 @@ vts, shell, cover, + cover_stop, coverspec, step, logdir, @@ -245,6 +246,7 @@ script_start1(Parent, Args) -> Vts = get_start_opt(vts, true, Args), Shell = get_start_opt(shell, true, Args), Cover = get_start_opt(cover, fun([CoverFile]) -> ?abs(CoverFile) end, Args), + CoverStop = get_start_opt(cover_stop, fun([CS]) -> list_to_atom(CS) end, Args), LogDir = get_start_opt(logdir, fun([LogD]) -> LogD end, Args), LogOpts = get_start_opt(logopts, fun(Os) -> [list_to_atom(O) || O <- Os] end, [], Args), @@ -329,7 +331,8 @@ script_start1(Parent, Args) -> end, StartOpts = #opts{label = Label, profile = Profile, - vts = Vts, shell = Shell, cover = Cover, + vts = Vts, shell = Shell, + cover = Cover, cover_stop = CoverStop, logdir = LogDir, logopts = LogOpts, basic_html = BasicHtml, verbosity = Verbosity, @@ -416,6 +419,9 @@ script_start2(StartOpts = #opts{vts = undefined, Cover = choose_val(StartOpts#opts.cover, SpecStartOpts#opts.cover), + CoverStop = + choose_val(StartOpts#opts.cover_stop, + SpecStartOpts#opts.cover_stop), MultTT = choose_val(StartOpts#opts.multiply_timetraps, SpecStartOpts#opts.multiply_timetraps), @@ -475,6 +481,7 @@ script_start2(StartOpts = #opts{vts = undefined, profile = Profile, testspecs = Specs, cover = Cover, + cover_stop = CoverStop, logdir = LogDir, logopts = AllLogOpts, basic_html = BasicHtml, @@ -723,6 +730,7 @@ script_usage() -> "\n\t[-silent_connections [ConnType1 ConnType2 .. ConnTypeN]]" "\n\t[-stylesheet CSSFile]" "\n\t[-cover CoverCfgFile]" + "\n\t[-cover_stop Bool]" "\n\t[-event_handler EvHandler1 EvHandler2 .. EvHandlerN]" "\n\t[-ct_hooks CTHook1 CTHook2 .. CTHookN]" "\n\t[-include InclDir1 InclDir2 .. InclDirN]" @@ -745,6 +753,7 @@ script_usage() -> "\n\t[-silent_connections [ConnType1 ConnType2 .. ConnTypeN]]" "\n\t[-stylesheet CSSFile]" "\n\t[-cover CoverCfgFile]" + "\n\t[-cover_stop Bool]" "\n\t[-event_handler EvHandler1 EvHandler2 .. EvHandlerN]" "\n\t[-ct_hooks CTHook1 CTHook2 .. CTHookN]" "\n\t[-include InclDir1 InclDir2 .. InclDirN]" @@ -938,6 +947,7 @@ run_test2(StartOpts) -> %% code coverage Cover = get_start_opt(cover, fun(CoverFile) -> ?abs(CoverFile) end, StartOpts), + CoverStop = get_start_opt(cover_stop, value, StartOpts), %% timetrap manipulation MultiplyTT = get_start_opt(multiply_timetraps, value, 1, StartOpts), @@ -1000,7 +1010,8 @@ run_test2(StartOpts) -> Step = get_start_opt(step, value, StartOpts), Opts = #opts{label = Label, profile = Profile, - cover = Cover, step = Step, logdir = LogDir, + cover = Cover, cover_stop = CoverStop, + step = Step, logdir = LogDir, logopts = LogOpts, basic_html = BasicHtml, config = CfgFiles, verbosity = Verbosity, @@ -1063,6 +1074,8 @@ run_spec_file(Relaxed, AllConfig = merge_vals([CfgFiles, SpecOpts#opts.config]), Cover = choose_val(Opts#opts.cover, SpecOpts#opts.cover), + CoverStop = choose_val(Opts#opts.cover_stop, + SpecOpts#opts.cover_stop), MultTT = choose_val(Opts#opts.multiply_timetraps, SpecOpts#opts.multiply_timetraps), ScaleTT = choose_val(Opts#opts.scale_timetraps, @@ -1103,6 +1116,7 @@ run_spec_file(Relaxed, Opts1 = Opts#opts{label = Label, profile = Profile, cover = Cover, + cover_stop = CoverStop, logdir = which(logdir, LogDir), logopts = AllLogOpts, stylesheet = Stylesheet, @@ -1374,6 +1388,7 @@ get_data_for_node(#testspec{label = Labels, verbosity = VLvls, silent_connections = SilentConnsList, cover = CoverFs, + cover_stop = CoverStops, config = Cfgs, userconfig = UsrCfgs, event_handler = EvHs, @@ -1405,6 +1420,7 @@ get_data_for_node(#testspec{label = Labels, SCs -> SCs end, Cover = proplists:get_value(Node, CoverFs), + CoverStop = proplists:get_value(Node, CoverStops), MT = proplists:get_value(Node, MTs), ST = proplists:get_value(Node, STs), CreatePrivDir = proplists:get_value(Node, PDs), @@ -1423,6 +1439,7 @@ get_data_for_node(#testspec{label = Labels, verbosity = Verbosity, silent_connections = SilentConns, cover = Cover, + cover_stop = CoverStop, config = ConfigFiles, event_handlers = EvHandlers, ct_hooks = FiltCTHooks, @@ -1576,14 +1593,7 @@ do_run(Tests, Misc, LogDir, LogOpts) when is_list(Misc), StepOpts -> #opts{step = StepOpts} end, - Opts1 = - case proplists:get_value(cover, Misc) of - undefined -> - Opts; - CoverFile -> - Opts#opts{cover = CoverFile} - end, - do_run(Tests, [], Opts1#opts{logdir = LogDir}, []); + do_run(Tests, [], Opts#opts{logdir = LogDir}, []); do_run(Tests, Skip, Opts, Args) when is_record(Opts, opts) -> #opts{label = Label, profile = Profile, cover = Cover, @@ -1617,7 +1627,13 @@ do_run(Tests, Skip, Opts, Args) when is_record(Opts, opts) -> {error,Reason} -> exit({error,Reason}); CoverSpec -> - Opts#opts{coverspec = CoverSpec} + CoverStop = + case Opts#opts.cover_stop of + undefined -> true; + Stop -> Stop + end, + Opts#opts{coverspec = CoverSpec, + cover_stop = CoverStop} end end, %% This env variable is used by test_server to determine @@ -2120,7 +2136,8 @@ do_run_test(Tests, Skip, Opts) -> %% tell test_server which modules should be cover compiled %% note that actual compilation is done when tests start test_server_ctrl:cover(CovApp, CovFile, CovExcl, CovIncl, - CovCross, CovExport, CovLevel), + CovCross, CovExport, CovLevel, + Opts#opts.cover_stop), %% save cover data (used e.g. to add nodes dynamically) ct_util:set_testdata({cover,CovData}), %% start cover on specified nodes @@ -2584,6 +2601,9 @@ merge_arguments([LogDir={logdir,_}|Args], Merged) -> merge_arguments([CoverFile={cover,_}|Args], Merged) -> merge_arguments(Args, handle_arg(replace, CoverFile, Merged)); +merge_arguments([CoverStop={cover_stop,_}|Args], Merged) -> + merge_arguments(Args, handle_arg(replace, CoverStop, Merged)); + merge_arguments([{'case',TC}|Args], Merged) -> merge_arguments(Args, handle_arg(merge, {testcase,TC}, Merged)); diff --git a/lib/common_test/src/ct_slave.erl b/lib/common_test/src/ct_slave.erl index aa3413fa89..cb05423497 100644 --- a/lib/common_test/src/ct_slave.erl +++ b/lib/common_test/src/ct_slave.erl @@ -1,7 +1,7 @@ %%-------------------------------------------------------------------- %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2010. All Rights Reserved. +%% Copyright Ericsson AB 2010-2012. All Rights Reserved. %% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in @@ -311,6 +311,13 @@ do_start(Host, Node, Options) -> StartupTimeout = Options#options.startup_timeout, Result = case wait_for_node_alive(ENode, BootTimeout) of pong-> + case test_server:is_cover() of + true -> + MainCoverNode = cover:get_main_node(), + rpc:call(MainCoverNode,cover,start,[ENode]); + false -> + ok + end, call_functions(ENode, Functions2), receive {node_started, ENode}-> @@ -423,6 +430,13 @@ wait_for_node_alive(Node, N) -> % call init:stop on a remote node do_stop(ENode) -> + case test_server:is_cover() of + true -> + MainCoverNode = cover:get_main_node(), + rpc:call(MainCoverNode,cover,flush,[ENode]); + false -> + ok + end, spawn(ENode, init, stop, []), wait_for_node_dead(ENode, 5). diff --git a/lib/common_test/src/ct_testspec.erl b/lib/common_test/src/ct_testspec.erl index a8b67d0329..0221b87d49 100644 --- a/lib/common_test/src/ct_testspec.erl +++ b/lib/common_test/src/ct_testspec.erl @@ -903,6 +903,8 @@ handle_data(logdir,Node,Dir,Spec) -> [{Node,ref2dir(Dir,Spec)}]; handle_data(cover,Node,File,Spec) -> [{Node,get_absfile(File,Spec)}]; +handle_data(cover_stop,Node,Stop,_Spec) -> + [{Node,Stop}]; handle_data(include,Node,Dirs=[D|_],Spec) when is_list(D) -> [{Node,ref2dir(Dir,Spec)} || Dir <- Dirs]; handle_data(include,Node,Dir=[Ch|_],Spec) when is_integer(Ch) -> @@ -1258,6 +1260,8 @@ valid_terms() -> {node,3}, {cover,2}, {cover,3}, + {cover_stop,2}, + {cover_stop,3}, {config,2}, {config,3}, {config,4}, diff --git a/lib/common_test/src/ct_util.hrl b/lib/common_test/src/ct_util.hrl index 196b5e46d0..c9c6514fa4 100644 --- a/lib/common_test/src/ct_util.hrl +++ b/lib/common_test/src/ct_util.hrl @@ -38,6 +38,7 @@ verbosity=[], silent_connections=[], cover=[], + cover_stop=[], config=[], userconfig=[], event_handler=[], diff --git a/lib/common_test/src/cth_log_redirect.erl b/lib/common_test/src/cth_log_redirect.erl index 77f57c6195..78ae70f37e 100644 --- a/lib/common_test/src/cth_log_redirect.erl +++ b/lib/common_test/src/cth_log_redirect.erl @@ -54,7 +54,7 @@ post_init_per_group(_Group, _Config, Result, State) -> post_end_per_testcase(_TC, _Config, Result, State) -> %% Make sure that the event queue is flushed %% before ending this test case. - gen_event:call(error_logger, ?MODULE, flush), + gen_event:call(error_logger, ?MODULE, flush, 300000), {Result, State}. pre_end_per_group(Group, Config, {ct_log, Group}) -> diff --git a/lib/common_test/test/Makefile b/lib/common_test/test/Makefile index 64e2cb6507..3de33688da 100644 --- a/lib/common_test/test/Makefile +++ b/lib/common_test/test/Makefile @@ -54,7 +54,8 @@ MODULES= \ ct_shell_SUITE \ ct_system_error_SUITE \ ct_snmp_SUITE \ - ct_group_leader_SUITE + ct_group_leader_SUITE \ + ct_cover_SUITE ERL_FILES= $(MODULES:%=%.erl) @@ -108,7 +109,7 @@ release_spec: opt release_tests_spec: $(INSTALL_DIR) "$(RELSYSDIR)" $(INSTALL_DATA) $(ERL_FILES) $(COVERFILE) "$(RELSYSDIR)" - $(INSTALL_DATA) common_test.spec "$(RELSYSDIR)" + $(INSTALL_DATA) common_test.spec common_test.cover "$(RELSYSDIR)" chmod -R u+w "$(RELSYSDIR)" @tar cf - *_SUITE_data | (cd "$(RELSYSDIR)"; tar xf -) diff --git a/lib/common_test/test/common_test.cover b/lib/common_test/test/common_test.cover new file mode 100644 index 0000000000..66697854ea --- /dev/null +++ b/lib/common_test/test/common_test.cover @@ -0,0 +1,10 @@ +%% -*- erlang -*- +{incl_app,common_test,details}. +{cross_apps,common_test,[erl2html2, + test_server, + test_server_ctrl, + test_server_gl, + test_server_h, + test_server_io, + test_server_node, + test_server_sup]}. diff --git a/lib/common_test/test/ct_cover_SUITE.erl b/lib/common_test/test/ct_cover_SUITE.erl new file mode 100644 index 0000000000..bebfce70d0 --- /dev/null +++ b/lib/common_test/test/ct_cover_SUITE.erl @@ -0,0 +1,271 @@ +%% +%% %CopyrightBegin% +%% +%% Copyright Ericsson AB 2012. All Rights Reserved. +%% +%% The contents of this file are subject to the Erlang Public License, +%% Version 1.1, (the "License"); you may not use this file except in +%% compliance with the License. You should have received a copy of the +%% Erlang Public License along with this software. If not, it can be +%% retrieved online at http://www.erlang.org/. +%% +%% Software distributed under the License is distributed on an "AS IS" +%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See +%% the License for the specific language governing rights and limitations +%% under the License. +%% +%% %CopyrightEnd% +%% + +%%%------------------------------------------------------------------- +%%% File: ct_cover_SUITE +%%% +%%% Description: +%%% Test code cover analysis support +%%% +%%%------------------------------------------------------------------- +-module(ct_cover_SUITE). + +-compile(export_all). + +-include_lib("common_test/include/ct.hrl"). +-include_lib("common_test/include/ct_event.hrl"). + +-define(eh, ct_test_support_eh). +-define(suite, cover_SUITE). +-define(mod, cover_test_mod). + +%%-------------------------------------------------------------------- +%% TEST SERVER CALLBACK FUNCTIONS +%%-------------------------------------------------------------------- + +%%-------------------------------------------------------------------- +%% Description: Since Common Test starts another Test Server +%% instance, the tests need to be performed on a separate node (or +%% there will be clashes with logging processes etc). +%%-------------------------------------------------------------------- +init_per_suite(Config) -> + case test_server:is_cover() of + true -> + {skip,"Test server is running cover already - skipping"}; + false -> + ct_test_support:init_per_suite(Config) + end. + +end_per_suite(Config) -> + ct_test_support:end_per_suite(Config). + +init_per_testcase(TestCase, Config) -> + ct_test_support:init_per_testcase(TestCase, Config). + +end_per_testcase(TestCase, Config) -> + Node = fullname(existing_node), + case lists:member(Node,nodes()) of + true -> rpc:call(Node,erlang,halt,[]); + false -> ok + end, + ct_test_support:end_per_testcase(TestCase, Config). + +suite() -> [{ct_hooks,[ts_install_cth]}]. + +all() -> + [ + default, + cover_stop_true, + cover_stop_false, + slave, + slave_start_slave, + cover_node_option, + ct_cover_add_remove_nodes, + otp_9956 + ]. + +%%-------------------------------------------------------------------- +%% TEST CASES +%%-------------------------------------------------------------------- + +%% Check that cover is collected from test node +%% Also check that cover is by default stopped after test is completed +default(Config) -> + {ok,Events} = run_test(default,Config), + false = check_cover(Config), + check_calls(Events,1), + ok. + +%% Check that cover is stopped when cover_stop option is set to true +cover_stop_true(Config) -> + {ok,_Events} = run_test(cover_stop_true,[{cover_stop,true}],Config), + false = check_cover(Config). + +%% Check that cover is not stopped when cover_stop option is set to false +cover_stop_false(Config) -> + {ok,_Events} = run_test(cover_stop_false,[{cover_stop,false}],Config), + {true,[],[?mod]} = check_cover(Config), + CTNode = proplists:get_value(ct_node, Config), + ok = rpc:call(CTNode,cover,stop,[]), + false = check_cover(Config), + ok. + +%% Let test node start a slave node - check that cover is collected +%% from both nodes +slave(Config) -> + {ok,Events} = run_test(slave,slave,[],Config), + check_calls(Events,2), + ok. + +%% Let test node start a slave node which in turn starts another slave +%% node - check that cover is collected from all three nodes +slave_start_slave(Config) -> + {ok,Events} = run_test(slave_start_slave,slave_start_slave,[],Config), + check_calls(Events,3), + ok. + +%% Start a slave node before test starts - the node is listed in cover +%% spec file. +%% Check that cover is collected from test node and slave node. +cover_node_option(Config) -> + {ok, HostStr}=inet:gethostname(), + Host = list_to_atom(HostStr), + DataDir = ?config(data_dir,Config), + {ok,Node} = ct_slave:start(Host,existing_node, + [{erl_flags,"-pa " ++ DataDir}]), + false = check_cover(Node), + CoverSpec = default_cover_file_content() ++ [{nodes,[Node]}], + CoverFile = create_cover_file(cover_node_option,CoverSpec,Config), + {ok,Events} = run_test(cover_node_option,cover_node_option, + [{cover,CoverFile}],Config), + check_calls(Events,2), + {ok,Node} = ct_slave:stop(existing_node), + ok. + +%% Test ct_cover:add_nodes/1 and ct_cover:remove_nodes/1 +%% Check that cover is collected from added node +ct_cover_add_remove_nodes(Config) -> + {ok, HostStr}=inet:gethostname(), + Host = list_to_atom(HostStr), + DataDir = ?config(data_dir,Config), + {ok,Node} = ct_slave:start(Host,existing_node, + [{erl_flags,"-pa " ++ DataDir}]), + false = check_cover(Node), + {ok,Events} = run_test(ct_cover_add_remove_nodes,ct_cover_add_remove_nodes, + [],Config), + check_calls(Events,2), + {ok,Node} = ct_slave:stop(existing_node), + ok. + +%% Test that the test suite itself can be cover compiled and that +%% data_dir is set correctly (OTP-9956) +otp_9956(Config) -> + CoverFile = create_cover_file(otp_9956,[{incl_mods,[?suite]}],Config), + {ok,Events} = run_test(otp_9956,otp_9956,[{cover,CoverFile}],Config), + check_calls(Events,{?suite,otp_9956,1},1), + ok. + + +%%%----------------------------------------------------------------- +%%% HELP FUNCTIONS +%%%----------------------------------------------------------------- +run_test(Label,Config) -> + run_test(Label,[],Config). +run_test(Label,ExtraOpts,Config) -> + run_test(Label,default,ExtraOpts,Config). +run_test(Label,Testcase,ExtraOpts,Config) -> + DataDir = ?config(data_dir, Config), + Suite = filename:join(DataDir, ?suite), + CoverFile = + case proplists:get_value(cover,ExtraOpts) of + undefined -> + create_default_cover_file(Label,Config); + CF -> + CF + end, + RestOpts = lists:keydelete(cover,1,ExtraOpts), + {Opts,ERPid} = setup([{suite,Suite},{testcase,Testcase}, + {cover,CoverFile},{label,Label}] ++ RestOpts, Config), + execute(Label, Testcase, Opts, ERPid, Config). + +setup(Test, Config) -> + Opts0 = ct_test_support:get_opts(Config), + Level = ?config(trace_level, Config), + EvHArgs = [{cbm,ct_test_support},{trace_level,Level}], + Opts = Opts0 ++ [{event_handler,{?eh,EvHArgs}}|Test], + ERPid = ct_test_support:start_event_receiver(Config), + {Opts,ERPid}. + +execute(Name, Testcase, Opts, ERPid, Config) -> + ok = ct_test_support:run(Opts, Config), + Events = ct_test_support:get_events(ERPid, Config), + + ct_test_support:log_events(Name, + reformat(Events, ?eh), + ?config(priv_dir, Config), + Opts), + TestEvents = events_to_check(Testcase), + R = ct_test_support:verify_events(TestEvents, Events, Config), + {R,Events}. + +reformat(Events, EH) -> + ct_test_support:reformat(Events, EH). + +events_to_check(Testcase) -> + OneTest = + [{?eh,start_logging,{'DEF','RUNDIR'}}] ++ + [{?eh,tc_done,{?suite,Testcase,ok}}] ++ + [{?eh,stop_logging,[]}], + + %% 2 tests (ct:run_test + script_start) is default + OneTest ++ OneTest. + +check_cover(Config) when is_list(Config) -> + CTNode = proplists:get_value(ct_node, Config), + check_cover(CTNode); +check_cover(Node) when is_atom(Node) -> + case rpc:call(Node,test_server,is_cover,[]) of + true -> + {true, + rpc:call(Node,cover,which_nodes,[]), + rpc:call(Node,cover,modules,[])}; + false -> + false + end. + +%% Check that each coverlog includes N calls to ?mod:foo/0 +check_calls(Events,N) -> + check_calls(Events,{?mod,foo,0},N). +check_calls(Events,MFA,N) -> + CoverLogs = + [filename:join(filename:dirname(TCLog),"all.coverdata") || + {ct_test_support_eh, + {event,tc_logfile,ct@falco, + {{?suite,init_per_suite},TCLog}}} <- Events], + do_check_logs(CoverLogs,MFA,N). + +do_check_logs([CoverLog|CoverLogs],{Mod,_,_} = MFA,N) -> + {ok,_} = cover:start(), + ok = cover:import(CoverLog), + {ok,Calls} = cover:analyse(Mod,calls,function), + ok = cover:stop(), + {MFA,N} = lists:keyfind(MFA,1,Calls), + do_check_logs(CoverLogs,MFA,N); +do_check_logs([],_,_) -> + ok. + +fullname(Name) -> + {ok,Host} = inet:gethostname(), + list_to_atom(atom_to_list(Name) ++ "@" ++ Host). + +default_cover_file_content() -> + [{incl_mods,[?mod]}]. + +create_default_cover_file(Filename,Config) -> + create_cover_file(Filename,default_cover_file_content(),Config). + +create_cover_file(Filename,Terms,Config) -> + PrivDir = ?config(priv_dir,Config), + File = filename:join(PrivDir,Filename) ++ ".cover", + {ok,Fd} = file:open(File,[write]), + lists:foreach(fun(Term) -> + file:write(Fd,io_lib:format("~p.~n",[Term])) + end,Terms), + ok = file:close(Fd), + File. diff --git a/lib/common_test/test/ct_cover_SUITE_data/cover_SUITE.erl b/lib/common_test/test/ct_cover_SUITE_data/cover_SUITE.erl new file mode 100644 index 0000000000..fdc3323f0a --- /dev/null +++ b/lib/common_test/test/ct_cover_SUITE_data/cover_SUITE.erl @@ -0,0 +1,156 @@ +%%-------------------------------------------------------------------- +%% %CopyrightBegin% +%% +%% Copyright Ericsson AB 2012. All Rights Reserved. +%% +%% The contents of this file are subject to the Erlang Public License, +%% Version 1.1, (the "License"); you may not use this file except in +%% compliance with the License. You should have received a copy of the +%% Erlang Public License along with this software. If not, it can be +%% retrieved online at http://www.erlang.org/. +%% +%% Software distributed under the License is distributed on an "AS IS" +%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See +%% the License for the specific language governing rights and limitations +%% under the License. +%% +%% %CopyrightEnd% +%% +%%---------------------------------------------------------------------- +%% File: cover_SUITE.erl +%% +%% Description: +%% This file contains the test cases for the code coverage support +%% +%% @author Support +%% @doc Test of code coverage support in common_test +%% @end +%%---------------------------------------------------------------------- +%%---------------------------------------------------------------------- +-module(cover_SUITE). +-include_lib("common_test/include/ct.hrl"). + +-compile(export_all). + +%% Default timetrap timeout (set in init_per_testcase). +-define(default_timeout, ?t:minutes(1)). + +suite() -> + []. + +all() -> + []. + +init_per_suite(Config) -> + Config. + +end_per_suite(Config) -> + Config. + +init_per_testcase(_Case, Config) -> + Dog = test_server:timetrap(?default_timeout), + [{watchdog, Dog}|Config]. + +end_per_testcase(Case, Config) -> + %% try apply(?MODULE,Case,[cleanup,Config]) + %% catch error:undef -> ok + %% end, + + kill_slaves(Case,nodes()), + Dog=?config(watchdog, Config), + test_server:timetrap_cancel(Dog), + ok. + +%%%----------------------------------------------------------------- +%%% Test cases +break(_Config) -> + test_server:break(""), + ok. + +default(Config) -> + cover_compiled = code:which(cover_test_mod), + cover_test_mod:foo(), + ok. + +slave(Config) -> + cover_compiled = code:which(cover_test_mod), + cover_test_mod:foo(), + N1 = nodename(slave,1), + {ok,Node} = ct_slave:start(N1), + cover_compiled = rpc:call(Node,code,which,[cover_test_mod]), + rpc:call(Node,cover_test_mod,foo,[]), + {ok,Node} = ct_slave:stop(N1), + ok. + +slave_start_slave(Config) -> + cover_compiled = code:which(cover_test_mod), + cover_test_mod:foo(), + N1 = nodename(slave_start_slave,1), + N2 = nodename(slave_start_slave,2), + {ok,Node} = ct_slave:start(N1), + cover_compiled = rpc:call(Node,code,which,[cover_test_mod]), + rpc:call(Node,cover_test_mod,foo,[]), + {ok,Node2} = rpc:call(Node,ct_slave,start,[N2]), + rpc:call(Node2,cover_test_mod,foo,[]), + {ok,Node2} = rpc:call(Node,ct_slave,stop,[N2]), + {ok,Node} = ct_slave:stop(N1), + ok. + +cover_node_option(Config) -> + cover_compiled = code:which(cover_test_mod), + cover_test_mod:foo(), + Node = fullname(existing_node), + cover_compiled = rpc:call(Node,code,which,[cover_test_mod]), + rpc:call(Node,cover_test_mod,foo,[]), + ok. + +ct_cover_add_remove_nodes(Config) -> + cover_compiled = code:which(cover_test_mod), + cover_test_mod:foo(), + Node = fullname(existing_node), + Beam = rpc:call(Node,code,which,[cover_test_mod]), + false = (Beam == cover_compiled), + + rpc:call(Node,cover_test_mod,foo,[]), % should not be collected + {ok,[Node]} = ct_cover:add_nodes([Node]), + cover_compiled = rpc:call(Node,code,which,[cover_test_mod]), + rpc:call(Node,cover_test_mod,foo,[]), % should be collected + ok = ct_cover:remove_nodes([Node]), + rpc:call(Node,cover_test_mod,foo,[]), % should not be collected + + Beam = rpc:call(Node,code,which,[cover_test_mod]), + + ok. + +otp_9956(Config) -> + cover_compiled = code:which(?MODULE), + DataDir = ?config(data_dir,Config), + absolute = filename:pathtype(DataDir), + true = filelib:is_dir(DataDir), + ok. + + +%%%----------------------------------------------------------------- +%%% Internal +nodename(Case,N) -> + list_to_atom(nodeprefix(Case) ++ integer_to_list(N)). + +nodeprefix(Case) -> + atom_to_list(?MODULE) ++ "_" ++ atom_to_list(Case) ++ "_node". + + +fullname(Name) -> + {ok,Host} = inet:gethostname(), + list_to_atom(atom_to_list(Name) ++ "@" ++ Host). + +kill_slaves(Case, [Node|Nodes]) -> + Prefix = nodeprefix(Case), + case lists:prefix(Prefix,atom_to_list(Node)) of + true -> + rpc:call(Node,erlang,halt,[]); + _ -> + ok + end, + kill_slaves(Case,Nodes); +kill_slaves(_,[]) -> + ok. diff --git a/lib/common_test/test/ct_cover_SUITE_data/cover_SUITE_data/.gitignore b/lib/common_test/test/ct_cover_SUITE_data/cover_SUITE_data/.gitignore new file mode 100644 index 0000000000..e69de29bb2 --- /dev/null +++ b/lib/common_test/test/ct_cover_SUITE_data/cover_SUITE_data/.gitignore diff --git a/lib/common_test/test/ct_cover_SUITE_data/cover_test_mod.erl b/lib/common_test/test/ct_cover_SUITE_data/cover_test_mod.erl new file mode 100644 index 0000000000..d4f69452c3 --- /dev/null +++ b/lib/common_test/test/ct_cover_SUITE_data/cover_test_mod.erl @@ -0,0 +1,4 @@ +-module(cover_test_mod). +-compile(export_all). +foo() -> + ok. diff --git a/lib/common_test/test/ct_test_support.erl b/lib/common_test/test/ct_test_support.erl index 80cca4a1cc..afc8dc4bb7 100644 --- a/lib/common_test/test/ct_test_support.erl +++ b/lib/common_test/test/ct_test_support.erl @@ -117,7 +117,10 @@ end_per_suite(Config) -> CTNode = proplists:get_value(ct_node, Config), PrivDir = proplists:get_value(priv_dir, Config), true = rpc:call(CTNode, code, del_path, [filename:join(PrivDir,"")]), - cover:stop(CTNode), + case test_server:is_cover() of + true -> cover:flush(CTNode); + false -> ok + end, slave:stop(CTNode), ok. @@ -149,7 +152,10 @@ end_per_testcase(_TestCase, Config) -> case wait_for_ct_stop(CTNode) of %% Common test was not stopped to we restart node. false -> - cover:stop(CTNode), + case test_server:is_cover() of + true -> cover:flush(CTNode); + false -> ok + end, slave:stop(CTNode), start_slave(Config,proplists:get_value(trace_level,Config)), {fail, "Could not stop common_test"}; diff --git a/lib/kernel/test/code_SUITE.erl b/lib/kernel/test/code_SUITE.erl index 5e0300639e..d7424c0c9a 100644 --- a/lib/kernel/test/code_SUITE.erl +++ b/lib/kernel/test/code_SUITE.erl @@ -684,8 +684,8 @@ ext_mod_dep(Config) when is_list(Config) -> xref:set_default(s, [{verbose,false},{warnings,false}, {builtins,true},{recurse,true}]), xref:set_library_path(s, code:get_path()), - xref:add_directory(s, filename:dirname(code:which(kernel))), - xref:add_directory(s, filename:dirname(code:which(lists))), + xref:add_directory(s, filename:join(code:lib_dir(kernel),"ebin")), + xref:add_directory(s, filename:join(code:lib_dir(stdlib),"ebin")), case catch ext_mod_dep2() of {'EXIT', Reason} -> xref:stop(s), diff --git a/lib/kernel/test/kernel.cover b/lib/kernel/test/kernel.cover index f6967ca651..af1dd7eaad 100644 --- a/lib/kernel/test/kernel.cover +++ b/lib/kernel/test/kernel.cover @@ -1,3 +1,3 @@ %% -*- erlang -*- -{incl_mods,[gen_udp,inet6_udp,inet_res,inet_dns]}. +{incl_app,kernel,details}. diff --git a/lib/stdlib/test/epp_SUITE.erl b/lib/stdlib/test/epp_SUITE.erl index f79414db49..77c615d6d9 100644 --- a/lib/stdlib/test/epp_SUITE.erl +++ b/lib/stdlib/test/epp_SUITE.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1998-2011. All Rights Reserved. +%% Copyright Ericsson AB 1998-2012. All Rights Reserved. %% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in @@ -1236,6 +1236,13 @@ otp_8911(doc) -> otp_8911(suite) -> []; otp_8911(Config) when is_list(Config) -> + case test_server:is_cover() of + true -> + {skip, "Testing cover, so can not run when cover is already running"}; + false -> + do_otp_8911(Config) + end. +do_otp_8911(Config) -> ?line {ok, CWD} = file:get_cwd(), ?line ok = file:set_cwd(?config(priv_dir, Config)), diff --git a/lib/stdlib/test/stdlib.cover b/lib/stdlib/test/stdlib.cover index 61f4f064b9..e71be880cb 100644 --- a/lib/stdlib/test/stdlib.cover +++ b/lib/stdlib/test/stdlib.cover @@ -1,17 +1,2 @@ %% -*- erlang -*- {incl_app,stdlib,details}. - -{excl_mods,stdlib, - [erl_parse, - erl_eval, - ets, - filename, - gen_event, - gen_server, - gen, - lists, - io, - io_lib, - io_lib_format, - io_lib_pretty, - proc_lib]}. diff --git a/lib/test_server/doc/src/test_server.xml b/lib/test_server/doc/src/test_server.xml index 5bfa42c36f..841cbfbe91 100644 --- a/lib/test_server/doc/src/test_server.xml +++ b/lib/test_server/doc/src/test_server.xml @@ -5,7 +5,7 @@ <header> <copyright> <year>2007</year> - <year>2011</year> + <year>2012</year> <holder>Ericsson AB, All Rights Reserved</holder> </copyright> <legalnotice> @@ -529,6 +529,18 @@ Only valid for peer nodes. Note that slave nodes always analogy with <c>os:getenv/1</c>), which removes the environment variable. Only valid for peer nodes. Not available on VxWorks.</item> + <tag><c>{start_cover, false}</c></tag> + <item>By default the test server will start cover on all nodes + when the test is run with code coverage analysis. To make + sure cover is not started on a new node, set this option to + <c>false</c>. This can be necessary if the connection to + the node at some point will be broken but the node is + expected to stay alive. The reason is that a remote cover + node can not continue to run without its main node. Another + solution would be to explicitly stop cover on the node + before breaking the connection, but in some situations (if + old code resides in one or more processes) this is not + possible.</item> </taglist> </desc> </func> diff --git a/lib/test_server/src/test_server.erl b/lib/test_server/src/test_server.erl index 57834120f7..988dc7a760 100644 --- a/lib/test_server/src/test_server.erl +++ b/lib/test_server/src/test_server.erl @@ -25,7 +25,7 @@ %%% TEST_SERVER_CTRL INTERFACE %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% -export([run_test_case_apply/1,init_target_info/0,init_purify/0]). --export([cover_compile/1,cover_analyse/2]). +-export([cover_compile/1,cover_analyse/3]). %%% TEST_SERVER_SUP INTERFACE %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% -export([get_loc/1,set_tc_state/2]). @@ -377,9 +377,7 @@ module_names(Beams) -> do_cover_compile(Modules) -> do_cover_compile1(lists:usort(Modules)). % remove duplicates -do_cover_compile1([Dont|Rest]) when Dont=:=cover; - Dont=:=test_server; - Dont=:=test_server_ctrl -> +do_cover_compile1([Dont|Rest]) when Dont=:=cover -> do_cover_compile1(Rest); do_cover_compile1([M|Rest]) -> case {code:is_sticky(M),code:is_loaded(M)} of @@ -416,7 +414,7 @@ do_cover_compile1([]) -> ok. %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% -%% cover_analyse(Analyse,Modules) -> [{M,{Cov,NotCov,Details}}] +%% cover_analyse(Analyse,Modules,Stop) -> [{M,{Cov,NotCov,Details}}] %% %% Analyse = {details,Dir} | details | {overview,void()} | overview %% Modules = [atom()], the modules to analyse @@ -432,7 +430,18 @@ do_cover_compile1([]) -> %% %% Also, if a Dir exists, cover data will be exported to a file called %% all.coverdata in that directory. -cover_analyse(Analyse,Modules) -> +%% +%% Finally, if Stop==true, then cover will be stopped after the +%% analysis is completed. Stopping cover causes the original (non +%% cover compiled) modules to be loaded back in. If a process at this +%% point is still running old code of any of the cover compiled +%% modules, meaning that is has not done any fully qualified function +%% call after the cover compilation, the process will now be +%% killed. To avoid this scenario, it is possible to set Stop=false, +%% which means that the modules will stay cover compiled. Note that +%% this is only recommended if the erlang node is being terminated +%% after the test is completed. +cover_analyse(Analyse,Modules,Stop) -> io:fwrite("Cover analysing...\n",[]), DetailsFun = case Analyse of @@ -483,9 +492,15 @@ cover_analyse(Analyse,Modules) -> {M,Err} end end, Modules), - Sticky = unstick_all_sticky(node()), - cover:stop(), - stick_all_sticky(node(),Sticky), + + case Stop of + true -> + Sticky = unstick_all_sticky(node()), + cover:stop(), + stick_all_sticky(node(),Sticky); + false -> + ok + end, R. pmap(Fun,List) -> @@ -502,7 +517,20 @@ pmap(Fun,List) -> end end, Pids). + +do_cover_for_node(Node,CoverFunc) -> + %% In case a slave node is starting another slave node! I.e. this + %% function is executed on a slave node - then the cover function + %% must be executed on the master node. This is for instance the + %% case in test_server's own tests. + MainCoverNode = cover:get_main_node(), + Sticky = unstick_all_sticky(MainCoverNode,Node), + rpc:call(MainCoverNode,cover,CoverFunc,[Node]), + stick_all_sticky(Node,Sticky). + unstick_all_sticky(Node) -> + unstick_all_sticky(node(),Node). +unstick_all_sticky(MainCoverNode,Node) -> lists:filter( fun(M) -> case code:is_sticky(M) of @@ -513,7 +541,7 @@ unstick_all_sticky(Node) -> false end end, - cover:modules()). + rpc:call(MainCoverNode,cover,modules,[])). stick_all_sticky(Node,Sticky) -> lists:foreach( @@ -2381,7 +2409,10 @@ start_node(Name, Type, Options) -> %% by a shielded node. Cover = case is_cover() of true -> - not is_shielded(Name) andalso same_version(Node); + not is_shielded(Name) + andalso same_version(Node) + andalso proplists:get_value(start_cover,Options, + true); false -> false end, @@ -2389,9 +2420,7 @@ start_node(Name, Type, Options) -> net_adm:ping(Node), case Cover of true -> - Sticky = unstick_all_sticky(Node), - cover:start(Node), - stick_all_sticky(Node,Sticky); + do_cover_for_node(Node,start); _ -> ok end, @@ -2419,7 +2448,27 @@ wait_for_node(Slave) -> group_leader() ! {sync_apply, self(), {test_server_ctrl,wait_for_node,[Slave]}}, - receive {sync_result,R} -> R end. + Result = receive {sync_result,R} -> R end, + case Result of + ok -> + Cover = case is_cover() of + true -> + not is_shielded(Slave) andalso same_version(Slave); + false -> + false + end, + + net_adm:ping(Slave), + case Cover of + true -> + do_cover_for_node(Slave,start); + _ -> + ok + end; + _ -> + ok + end, + Result. %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% @@ -2431,9 +2480,7 @@ stop_node(Slave) -> Nocover = is_shielded(Slave) orelse not same_version(Slave), case is_cover() of true when not Nocover -> - Sticky = unstick_all_sticky(Slave), - cover:stop(Slave), - stick_all_sticky(Slave,Sticky); + do_cover_for_node(Slave,flush); _ -> ok end, diff --git a/lib/test_server/src/test_server_ctrl.erl b/lib/test_server/src/test_server_ctrl.erl index 7f04e2eb23..50208410a9 100644 --- a/lib/test_server/src/test_server_ctrl.erl +++ b/lib/test_server/src/test_server_ctrl.erl @@ -165,8 +165,8 @@ -export([reject_io_reqs/1, get_levels/0, set_levels/3]). -export([multiply_timetraps/1, scale_timetraps/1, get_timetrap_parameters/0]). -export([create_priv_dir/1]). --export([cover/2, cover/3, cover/7, - cross_cover_analyse/1, cross_cover_analyse/2, trc/1, stop_trace/0]). +-export([cover/2, cover/3, cover/8, + cross_cover_analyse/2, cross_cover_analyse/3, trc/1, stop_trace/0]). -export([testcase_callback/1]). -export([set_random_seed/1]). -export([kill_slavenodes/0]). @@ -521,9 +521,9 @@ cover(App, Analyse) when is_atom(App) -> cover(CoverFile, Analyse) -> cover(none, CoverFile, Analyse). cover(App, CoverFile, Analyse) -> - controller_call({cover,{App,CoverFile},Analyse}). -cover(App, CoverFile, Exclude, Include, Cross, Export, Analyse) -> - controller_call({cover,{App,{CoverFile,Exclude,Include,Cross,Export}},Analyse}). + controller_call({cover,{App,CoverFile},Analyse,true}). +cover(App, CoverFile, Exclude, Include, Cross, Export, Analyse, Stop) -> + controller_call({cover,{App,{CoverFile,Exclude,Include,Cross,Export}},Analyse,Stop}). testcase_callback(ModFunc) -> controller_call({testcase_callback,ModFunc}). @@ -796,7 +796,7 @@ handle_call({add_job,Dir,Name,TopCase,Skip}, _From, State) -> ExtraTools = case State#state.cover of false -> []; - {App,Analyse} -> [{cover,App,Analyse}] + {App,Analyse,Stop} -> [{cover,App,Analyse,Stop}] end, ExtraTools1 = case State#state.random_seed of @@ -1052,13 +1052,13 @@ handle_call(stop_trace, _From, State) -> {reply,R,State#state{trc=false}}; %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% -%% handle_call({cover,App,Analyse}, _, State) -> ok | {error,Reason} +%% handle_call({cover,App,Analyse,Stop}, _, State) -> ok | {error,Reason} %% %% All modules inn application App are cover compiled %% Analyse indicates on which level the coverage should be analysed -handle_call({cover,App,Analyse}, _From, State) -> - {reply,ok,State#state{cover={App,Analyse}}}; +handle_call({cover,App,Analyse,Stop}, _From, State) -> + {reply,ok,State#state{cover={App,Analyse,Stop}}}; %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% %% handle_call({create_priv_dir,Value}, _, State) -> ok | {error,Reason} @@ -1465,11 +1465,11 @@ elapsed_time(Before, After) -> start_extra_tools(ExtraTools) -> start_extra_tools(ExtraTools, []). -start_extra_tools([{cover,App,Analyse} | ExtraTools], Started) -> +start_extra_tools([{cover,App,Analyse,Stop} | ExtraTools], Started) -> case cover_compile(App) of {ok,AnalyseMods} -> start_extra_tools(ExtraTools, - [{cover,App,Analyse,AnalyseMods}|Started]); + [{cover,App,Analyse,AnalyseMods,Stop}|Started]); {error,_} -> start_extra_tools(ExtraTools, Started) end; @@ -1488,8 +1488,8 @@ stop_extra_tools(ExtraTools) -> end, stop_extra_tools(ExtraTools, TestDir). -stop_extra_tools([{cover,App,Analyse,AnalyseMods}|ExtraTools], TestDir) -> - cover_analyse(App, Analyse, AnalyseMods, TestDir), +stop_extra_tools([{cover,App,Analyse,AnalyseMods,Stop}|ExtraTools], TestDir) -> + cover_analyse(App, Analyse, AnalyseMods, Stop, TestDir), stop_extra_tools(ExtraTools, TestDir); %%stop_extra_tools([_ | ExtraTools], TestDir) -> %% stop_extra_tools(ExtraTools, TestDir); @@ -5119,7 +5119,7 @@ get_target_info() -> %% Called by test_server. See test_server:start_node/3 for details start_node(Name, Type, Options) -> - T = 10 * ?ACCEPT_TIMEOUT, % give some extra time + T = 10 * ?ACCEPT_TIMEOUT * test_server:timetrap_scale_factor(), format(minor, "Attempt to start ~w node ~p with options ~p", [Type, Name, Options]), case controller_call({start_node,Name,Type,Options}, T) of @@ -5164,7 +5164,8 @@ start_node(Name, Type, Options) -> %% when the new node has contacted test_server_ctrl again wait_for_node(Slave) -> - case catch controller_call({wait_for_node,Slave},10000) of + T = 10000 * test_server:timetrap_scale_factor(), + case catch controller_call({wait_for_node,Slave},T) of {'EXIT',{timeout,_}} -> {error,timeout}; ok -> ok end. @@ -5447,7 +5448,7 @@ check_cover_file([], Exclude, Include) -> %% %% This per application analysis writes the file cover.html in the %% application's run.<timestamp> directory. -cover_analyse({App,CoverInfo}, Analyse, AnalyseMods, TestDir) -> +cover_analyse({App,CoverInfo}, Analyse, AnalyseMods, Stop, TestDir) -> write_default_cross_coverlog(TestDir), {ok,CoverLog} = file:open(filename:join(TestDir, ?coverlog_name), [write]), @@ -5478,7 +5479,7 @@ cover_analyse({App,CoverInfo}, Analyse, AnalyseMods, TestDir) -> io:fwrite(CoverLog, "<p>Excluded module(s): <code>~p</code>\n", [Excluded]), - Coverage = cover_analyse(Analyse, AnalyseMods), + Coverage = cover_analyse(Analyse, AnalyseMods, Stop), case lists:filter(fun({_M,{_,_,_}}) -> false; (_) -> true @@ -5495,32 +5496,37 @@ cover_analyse({App,CoverInfo}, Analyse, AnalyseMods, TestDir) -> file:write_file(filename:join(TestDir, ?cover_total), term_to_binary(TotPercent)). -cover_analyse(Analyse, AnalyseMods) -> +cover_analyse(Analyse, AnalyseMods, Stop) -> TestDir = get(test_server_log_dir_base), case get(test_server_ctrl_job_sock) of undefined -> %% local target - test_server:cover_analyse({Analyse,TestDir}, AnalyseMods); + test_server:cover_analyse({Analyse,TestDir}, AnalyseMods, Stop); JobSock -> %% remote target request(JobSock, {sync_apply,{test_server, cover_analyse, - [Analyse,AnalyseMods]}}), + [Analyse,AnalyseMods, Stop]}}), read_job_sock_loop(JobSock) end. %% Cover analysis, cross application %% This can be executed on any node after all tests are finished. -%% The node's current directory must be the same as when the tests -%% were run. -cross_cover_analyse(Analyse) -> - cross_cover_analyse(Analyse, undefined). - -cross_cover_analyse(Analyse, CrossModules) -> - CoverdataFiles = get_coverdata_files(), +%% Apps = [{App,Dir}] +%% App = atom(), application name +%% Dir = string(), the log directory for App, normally where +%% run.<timestamp> is found. +%% Modules = [atom()], modules that have been cover compiled during tests +%% of other apps than the one they belong to. +cross_cover_analyse(Analyse, Apps) -> + cross_cover_analyse(Analyse, Apps, get_cross_modules()). +cross_cover_analyse(Analyse, Apps, Modules) -> + Apps1 = get_latest_run_dirs(Apps), + Apps2 = add_cross_modules(Modules,Apps1), + CoverdataFiles = get_coverdata_files(Apps2), lists:foreach(fun(CDF) -> cover:import(CDF) end, CoverdataFiles), - io:fwrite("Cover analysing... ", []), + io:fwrite("Cover analysing...\n", []), DetailsFun = case Analyse of details -> @@ -5534,25 +5540,15 @@ cross_cover_analyse(Analyse, CrossModules) -> _ -> fun(_,_) -> undefined end end, - SortedModules = - case CrossModules of - undefined -> - sort_modules([Mod || Mod <- get_all_cross_modules(), - lists:member(Mod, cover:imported_modules())], []); - _ -> - sort_modules(CrossModules, []) - end, - Coverage = analyse_apps(SortedModules, DetailsFun, []), + Coverage = analyse_apps(Apps2, DetailsFun, []), cover:stop(), - write_cross_cover_logs(Coverage). + write_cross_cover_logs(Coverage,Apps2). -%% For each application from which there are modules listed in the -%% cross.cover, write a cross cover log (cross_cover.html). -write_cross_cover_logs([{App,Coverage}|T]) -> - case last_test_for_app(App) of - false -> - ok; - Dir -> +%% For each application from which there are cross cover analysed +%% modules, write a cross cover log (cross_cover.html). +write_cross_cover_logs([{App,Coverage}|T],Apps) -> + case lists:keyfind(App,1,Apps) of + {_,Dir,Mods} when Mods=/=[] -> CoverLogName = filename:join(Dir,?cross_coverlog_name), {ok,CoverLog} = file:open(CoverLogName, [write]), write_coverlog_header(CoverLog), @@ -5560,54 +5556,51 @@ write_cross_cover_logs([{App,Coverage}|T]) -> "<h1>Coverage results for \'~w\' from all tests</h1>\n", [App]), write_cover_result_table(CoverLog, Coverage), - io:fwrite("Written file ~p\n", [CoverLogName]) + io:fwrite("Written file ~p\n", [CoverLogName]); + _ -> + ok end, - write_cross_cover_logs(T); -write_cross_cover_logs([]) -> + write_cross_cover_logs(T,Apps); +write_cross_cover_logs([],_) -> io:fwrite("done\n", []). -%% Find all exported coverdata files. First find all the latest -%% run.<timestamp> directories, and the check if there is a file named -%% all.coverdata. -get_coverdata_files() -> - PossibleFiles = [last_coverdata_file(Dir) || - Dir <- filelib:wildcard([$*|?logdir_ext]), - filelib:is_dir(Dir)], - [File || File <- PossibleFiles, filelib:is_file(File)]. - -last_coverdata_file(Dir) -> - LastDir = last_test(filelib:wildcard(filename:join(Dir,"run.[1-2]*")),false), - filename:join(LastDir,"all.coverdata"). - - -%% Find the latest run.<timestamp> directory for the given application. -last_test_for_app(App) -> - AppLogDir = atom_to_list(App)++?logdir_ext, - last_test(filelib:wildcard(filename:join(AppLogDir,"run.[1-2]*")),false). - -last_test([Run|Rest], false) -> - last_test(Rest, Run); -last_test([Run|Rest], Latest) when Run > Latest -> - last_test(Rest, Run); -last_test([_|Rest], Latest) -> - last_test(Rest, Latest); -last_test([], Latest) -> +%% Get the latest run.<timestamp> directories +get_latest_run_dirs([{App,Dir}|Apps]) -> + [{App,get_latest_run_dir(Dir)} | get_latest_run_dirs(Apps)]; +get_latest_run_dirs([]) -> + []. + +get_latest_run_dir(Dir) -> + case filelib:wildcard(filename:join(Dir,"run.[1-2]*")) of + [] -> + Dir; + [H|T] -> + get_latest_dir(T,H) + end. + +get_latest_dir([H|T],Latest) when H>Latest -> + get_latest_dir(T,H); +get_latest_dir([_|T],Latest) -> + get_latest_dir(T,Latest); +get_latest_dir([],Latest) -> Latest. -%% Sort modules according to the application they belong to. -%% Return [{App,LastTestDir,ModuleList}] -sort_modules([M|Modules], Acc) -> - App = get_app(M), - Acc1 = - case lists:keysearch(App, 1, Acc) of - {value,{App,LastTest,List}} -> - lists:keyreplace(App, 1, Acc, {App,LastTest,[M|List]}); +%% Associate the cross cover modules with their applications. +add_cross_modules(Mods,Apps)-> + do_add_cross_modules(Mods,[{App,Dir,[]} || {App,Dir} <- Apps]). +do_add_cross_modules([Mod|Mods],Apps)-> + App = get_app(Mod), + NewApps = + case lists:keytake(App,1,Apps) of + {value,{App,Dir,AppMods},Rest} -> + [{App,Dir,lists:umerge([Mod],AppMods)}|Rest]; false -> - [{App,last_test_for_app(App),[M]}|Acc] + Apps end, - sort_modules(Modules, Acc1); -sort_modules([], Acc) -> - Acc. + do_add_cross_modules(Mods,NewApps); +do_add_cross_modules([],Apps) -> + %% Just to get the modules in the same order as app-only cover log + [{App,Dir,lists:reverse(Mods)} || {App,Dir,Mods} <- Apps]. get_app(Module) -> Beam = code:which(Module), @@ -5615,6 +5608,14 @@ get_app(Module) -> [AppStr|_] = string:tokens(AppDir,"-"), list_to_atom(AppStr). +%% Find all exported coverdata files. +get_coverdata_files(Apps) -> + lists:flatmap( + fun({_,LatestAppDir,_}) -> + filelib:wildcard(filename:join(LatestAppDir,"all.coverdata")) + end, + Apps). + %% For each application, analyse all modules %% Used for cross cover analysis. @@ -5635,7 +5636,7 @@ analyse_modules(_Dir, [], _DetailsFun, Acc) -> %% Read the cross cover file (cross.cover) -get_all_cross_modules() -> +get_cross_modules() -> get_cross_modules(all). get_cross_modules(App) -> case file:consult(?cross_cover_file) of diff --git a/lib/test_server/src/ts.erl b/lib/test_server/src/ts.erl index db16b6ecd2..1b2bd4296a 100644 --- a/lib/test_server/src/ts.erl +++ b/lib/test_server/src/ts.erl @@ -498,8 +498,60 @@ estone(Opts) when is_list(Opts) -> run(emulator,estone_SUITE,Opts). cross_cover_analyse([Level]) -> cross_cover_analyse(Level); cross_cover_analyse(Level) -> - test_server_ctrl:cross_cover_analyse(Level). - + Apps = get_last_app_tests(), + Modules = get_cross_modules(Apps,[]), + test_server_ctrl:cross_cover_analyse(Level,Apps,Modules). + +get_last_app_tests() -> + AllTests = filelib:wildcard(filename:join(["*","*_test.logs"])), + {ok,RE} = re:compile("^[^/]*/[^\.]*\.(.*)_test\.logs$"), + get_last_app_tests(AllTests,RE,[]). + +get_last_app_tests([Dir|Dirs],RE,Acc) -> + NewAcc = + case re:run(Dir,RE,[{capture,all,list}]) of + {match,[Dir,AppStr]} -> + App = list_to_atom(AppStr), + case lists:keytake(App,1,Acc) of + {value,{App,LastDir},Rest} -> + if Dir > LastDir -> + [{App,Dir}|Rest]; + true -> + Acc + end; + false -> + [{App,Dir} | Acc] + end; + _ -> + Acc + end, + get_last_app_tests(Dirs,RE,NewAcc); +get_last_app_tests([],_,Acc) -> + Acc. + +get_cross_modules([{App,_}|Apps],Acc) -> + Mods = cross_modules(App), + get_cross_modules(Apps,lists:umerge(Mods,Acc)); +get_cross_modules([],Acc) -> + Acc. + +cross_modules(App) -> + case default_coverfile(App) of + none -> + []; + File -> + case catch file:consult(File) of + {ok,CoverSpec} -> + case lists:keyfind(cross_apps,1,CoverSpec) of + false -> + []; + {cross_apps,App,Modules} -> + lists:usort(Modules) + end; + _ -> + [] + end + end. %%% Implementation. diff --git a/lib/test_server/src/ts_run.erl b/lib/test_server/src/ts_run.erl index 57d1b8806e..741dd483f5 100644 --- a/lib/test_server/src/ts_run.erl +++ b/lib/test_server/src/ts_run.erl @@ -368,7 +368,7 @@ make_common_test_args(Args0, Options0, _Vars) -> io:format("No cover file found for ~p~n",[App]), []; {value,{cover,_App,File,_Analyse}} -> - [{cover,to_list(File)}]; + [{cover,to_list(File)},{cover_stop,false}]; false -> [] end, diff --git a/lib/test_server/test/test_server.cover b/lib/test_server/test/test_server.cover index c16212567e..052415377d 100644 --- a/lib/test_server/test/test_server.cover +++ b/lib/test_server/test/test_server.cover @@ -1,21 +1 @@ {incl_app,test_server,details}. - -{excl_mods, test_server, [test_server, - test_server_ctrl, - ts_selftest]}. - -%% Using incl_mods list here because the test_server might not find -%% lib_dir for test_server - and so it will not find which modules to -%% compile. -{incl_mods, test_server, [erl2html2, - test_server_node, - test_server_sup, - ts, - ts_autoconf_win32, - ts_erl_config, - ts_install, - ts_lib, - ts_make, - ts_run - ]}. - diff --git a/lib/test_server/test/test_server_SUITE_data/test_server_SUITE.erl b/lib/test_server/test/test_server_SUITE_data/test_server_SUITE.erl index ab25e4ad2f..fc2adcd651 100644 --- a/lib/test_server/test/test_server_SUITE_data/test_server_SUITE.erl +++ b/lib/test_server/test/test_server_SUITE_data/test_server_SUITE.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1997-2011. All Rights Reserved. +%% Copyright Ericsson AB 1997-2012. All Rights Reserved. %% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in @@ -433,7 +433,7 @@ start_stop_node(Config) when is_list(Config) -> ?t:comment("WARNING: Node started with {wait,false}" " is up faster than expected..."); false -> - wait_for_node(Node4,0), + test_server:wait_for_node(Node4), true = lists:member(Node4,nodes()) end, @@ -450,16 +450,6 @@ start_stop_node(Config) when is_list(Config) -> ok. - -wait_for_node(Node,Acc) -> - case net_adm:ping(Node) of - pang -> - timer:sleep(100), - wait_for_node(Node,Acc+100); - pong -> - Acc - end. - cleanup_nodes_init(doc) -> ["Test that nodes are terminated when test case" " is finished unless {cleanup,false} is given."]; cleanup_nodes_init(Config) when is_list(Config) -> diff --git a/lib/test_server/test/test_server_test_lib.erl b/lib/test_server/test/test_server_test_lib.erl index 8a808c5360..4e89abf308 100644 --- a/lib/test_server/test/test_server_test_lib.erl +++ b/lib/test_server/test/test_server_test_lib.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2009-2011. All Rights Reserved. +%% Copyright Ericsson AB 2009-2012. All Rights Reserved. %% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in @@ -83,7 +83,12 @@ start_slave(Config,_Level) -> post_end_per_testcase(_TC, Config, Return, State) -> Node = proplists:get_value(node, Config), - cover:stop(Node), + case test_server:is_cover() of + true -> + cover:flush(Node); + false -> + ok + end, slave:stop(Node), {Return, State}. diff --git a/lib/tools/doc/src/cover.xml b/lib/tools/doc/src/cover.xml index 683acc025d..a2444ec947 100644 --- a/lib/tools/doc/src/cover.xml +++ b/lib/tools/doc/src/cover.xml @@ -5,7 +5,7 @@ <header> <copyright> <year>2001</year> - <year>2011</year> + <year>2012</year> <holder>Ericsson AB, All Rights Reserved</holder> </copyright> <legalnotice> @@ -104,6 +104,13 @@ remove nodes. The same Cover compiled code will be loaded on each node, and analysis will collect and sum up coverage data results from all nodes.</p> + <p>To only collect data from remote nodes without stopping + <c>cover</c> on those nodes, use <c>cover:flush/1</c></p> + <p>If the connection to a remote node goes down, the main node + will mark it as lost. If the node comes back it will be added + again. If the remote node was alive during the disconnected + periode, cover data from before and during this periode will be + included in the analysis.</p> </description> <funcs> <func> @@ -477,6 +484,17 @@ remote nodes is fetched and stored on the main node.</p> </desc> </func> + <func> + <name>flush(Nodes) -> ok | {error,not_main_node}</name> + <fsummary>Collect cover data from remote nodes.</fsummary> + <type> + <v>Nodes = [atom()]</v> + </type> + <desc> + <p>Fetch data from the Cover database on the remote nodes and + stored on the main node.</p> + </desc> + </func> </funcs> <section> diff --git a/lib/tools/src/cover.erl b/lib/tools/src/cover.erl index e21bd1b88c..10f14b0a49 100644 --- a/lib/tools/src/cover.erl +++ b/lib/tools/src/cover.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2001-2011. All Rights Reserved. +%% Copyright Ericsson AB 2001-2012. All Rights Reserved. %% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in @@ -26,12 +26,17 @@ %% ARCHITECTURE %% The coverage tool consists of one process on each node involved in %% coverage analysis. The process is registered as 'cover_server' -%% (?SERVER). All cover_servers in the distributed system are linked -%% together. The cover_server on the 'main' node is in charge, and it -%% traps exits so it can detect nodedown or process crashes on the -%% remote nodes. This process is implemented by the functions -%% init_main/1 and main_process_loop/1. The cover_server on the remote -%% nodes are implemented by the functions init_remote/2 and +%% (?SERVER). The cover_server on the 'main' node is in charge, and +%% it monitors the cover_servers on all remote nodes. When it gets a +%% 'DOWN' message for another cover_server, it marks the node as +%% 'lost'. If a nodeup is received for a lost node the main node +%% ensures that the cover compiled modules are loaded again. If the +%% remote node was alive during the disconnected periode, cover data +%% for this periode will also be included in the analysis. +%% +%% The cover_server process on the main node is implemented by the +%% functions init_main/1 and main_process_loop/1. The cover_server on +%% the remote nodes are implemented by the functions init_remote/2 and %% remote_process_loop/1. %% %% TABLES @@ -81,15 +86,17 @@ export/1, export/2, import/1, modules/0, imported/0, imported_modules/0, which_nodes/0, is_compiled/1, reset/1, reset/0, + flush/1, stop/0, stop/1]). --export([remote_start/1]). +-export([remote_start/1,get_main_node/0]). %-export([bump/5]). -export([transform/4]). % for test purposes -record(main_state, {compiled=[], % [{Module,File}] imported=[], % [{Module,File,ImportFile}] stopper, % undefined | pid() - nodes=[]}). % [Node] + nodes=[], % [Node] + lost_nodes=[]}). % [Node] -record(remote_state, {compiled=[], % [{Module,File}] main_node}). % atom() @@ -497,6 +504,19 @@ stop(Node) when is_atom(Node) -> stop(Nodes) -> call({stop,remove_myself(Nodes,[])}). +%% flush(Nodes) -> ok | {error,not_main_node} +%% Nodes = [Node] | Node +%% Node = atom() +%% Error = {not_cover_compiled,Module} +flush(Node) when is_atom(Node) -> + flush([Node]); +flush(Nodes) -> + call({flush,remove_myself(Nodes,[])}). + +%% Used by test_server only. Not documented. +get_main_node() -> + call(get_main_node). + %% bump(Module, Function, Arity, Clause, Line) %% Module = Function = atom() %% Arity = Clause = Line = integer() @@ -541,7 +561,10 @@ remote_call(Node,Request) -> Return = receive {'DOWN', Ref, _Type, _Object, _Info} -> - {error,node_dead}; + case Request of + {remote,stop} -> ok; + _ -> {error,node_dead} + end; {?SERVER,Reply} -> Reply end, @@ -569,40 +592,14 @@ init_main(Starter) -> ets:new(?BINARY_TABLE, [set, named_table]), ets:new(?COLLECTION_TABLE, [set, public, named_table]), ets:new(?COLLECTION_CLAUSE_TABLE, [set, public, named_table]), - process_flag(trap_exit,true), + net_kernel:monitor_nodes(true), Starter ! {?SERVER,started}, main_process_loop(#main_state{}). main_process_loop(State) -> receive {From, {start_nodes,Nodes}} -> - ThisNode = node(), - StartedNodes = - lists:foldl( - fun(Node,Acc) -> - case rpc:call(Node,cover,remote_start,[ThisNode]) of - {ok,RPid} -> - link(RPid), - [Node|Acc]; - Error -> - io:format("Could not start cover on ~w: ~p\n", - [Node,Error]), - Acc - end - end, - [], - Nodes), - - %% In case some of the compiled modules have been unloaded they - %% should not be loaded on the new node. - {_LoadedModules,Compiled} = - get_compiled_still_loaded(State#main_state.nodes, - State#main_state.compiled), - remote_load_compiled(StartedNodes,Compiled), - - State1 = - State#main_state{nodes = State#main_state.nodes ++ StartedNodes, - compiled = Compiled}, + {StartedNodes,State1} = do_start_nodes(Nodes, State), reply(From, {ok,StartedNodes}), main_process_loop(State1); @@ -707,8 +704,13 @@ main_process_loop(State) -> {From, {stop,Nodes}} -> remote_collect('_',Nodes,true), reply(From, ok), - State1 = State#main_state{nodes=State#main_state.nodes--Nodes}, - main_process_loop(State1); + Nodes1 = State#main_state.nodes--Nodes, + main_process_loop(State#main_state{nodes=Nodes1}); + + {From, {flush,Nodes}} -> + remote_collect('_',Nodes,false), + reply(From, ok), + main_process_loop(State); {From, stop} -> lists:foreach( @@ -788,14 +790,30 @@ main_process_loop(State) -> end, main_process_loop(S); - {'EXIT',Pid,_Reason} -> - %% Exit is trapped on the main node only, so this will only happen - %% there. I assume that I'm only linked to cover_servers on remote - %% nodes, so this must be one of them crashing. - %% Remove node from list! - State1 = State#main_state{nodes=State#main_state.nodes--[node(Pid)]}, + {'DOWN', _MRef, process, {?SERVER,Node}, _Info} -> + %% A remote cover_server is down, mark as lost + Nodes = State#main_state.nodes--[Node], + Lost = [Node|State#main_state.lost_nodes], + main_process_loop(State#main_state{nodes=Nodes,lost_nodes=Lost}); + + {nodeup,Node} -> + State1 = + case lists:member(Node,State#main_state.lost_nodes) of + true -> + sync_compiled(Node,State); + false -> + State + end, main_process_loop(State1); + + {nodedown,_} -> + %% Will be taken care of when 'DOWN' message arrives + main_process_loop(State); + {From, get_main_node} -> + reply(From, node()), + main_process_loop(State); + get_status -> io:format("~p~n",[State]), main_process_loop(State) @@ -850,7 +868,16 @@ remote_process_loop(State) -> {remote,stop} -> reload_originals(State#remote_state.compiled), unregister(?SERVER), - remote_reply(State#remote_state.main_node, ok); + ok; % not replying since 'DOWN' message will be received anyway + + {remote,get_compiled} -> + remote_reply(State#remote_state.main_node, + State#remote_state.compiled), + remote_process_loop(State); + + {From, get_main_node} -> + remote_reply(From, State#remote_state.main_node), + remote_process_loop(State); get_status -> io:format("~p~n",[State]), @@ -961,6 +988,36 @@ unload([]) -> %%%--Handling of remote nodes-------------------------------------------- +do_start_nodes(Nodes, State) -> + ThisNode = node(), + StartedNodes = + lists:foldl( + fun(Node,Acc) -> + case rpc:call(Node,cover,remote_start,[ThisNode]) of + {ok,_RPid} -> + erlang:monitor(process,{?SERVER,Node}), + [Node|Acc]; + Error -> + io:format("Could not start cover on ~w: ~p\n", + [Node,Error]), + Acc + end + end, + [], + Nodes), + + %% In case some of the compiled modules have been unloaded they + %% should not be loaded on the new node. + {_LoadedModules,Compiled} = + get_compiled_still_loaded(State#main_state.nodes, + State#main_state.compiled), + remote_load_compiled(StartedNodes,Compiled), + + State1 = + State#main_state{nodes = State#main_state.nodes ++ StartedNodes, + compiled = Compiled}, + {StartedNodes, State1}. + %% start the cover_server on a remote node remote_start(MainNode) -> case whereis(?SERVER) of @@ -984,6 +1041,30 @@ remote_start(MainNode) -> {error,{already_started,Pid}} end. +%% If a lost node comes back, ensure that main and remote node has the +%% same cover compiled modules. Note that no action is taken if the +%% same {Mod,File} eksists on both, i.e. code change is not handled! +sync_compiled(Node,State) -> + #main_state{compiled=Compiled0,nodes=Nodes,lost_nodes=Lost}=State, + State1 = + case remote_call(Node,{remote,get_compiled}) of + {error,node_dead} -> + {_,S} = do_start_nodes([Node],State), + S; + {error,_} -> + State; + RemoteCompiled -> + {_,Compiled} = get_compiled_still_loaded(Nodes,Compiled0), + Unload = [UM || {UM,_}=U <- RemoteCompiled, + false == lists:member(U,Compiled)], + remote_unload([Node],Unload), + Load = [L || L <- Compiled, + false == lists:member(L,RemoteCompiled)], + remote_load_compiled([Node],Load), + State#main_state{compiled=Compiled, nodes=[Node|Nodes]} + end, + State1#main_state{lost_nodes=Lost--[Node]}. + %% Load a set of cover compiled modules on remote nodes, %% We do it ?MAX_MODS modules at a time so that we don't %% run out of memory on the cover_server node. @@ -1094,7 +1175,6 @@ remove_myself([Node|Nodes],Acc) -> remove_myself(Nodes,[Node|Acc]); remove_myself([],Acc) -> Acc. - %%%--Handling of modules state data-------------------------------------- @@ -2254,7 +2334,13 @@ do_reset2([]) -> do_clear(Module) -> ets:match_delete(?COVER_CLAUSE_TABLE, {Module,'_'}), ets:match_delete(?COVER_TABLE, {#bump{module=Module},'_'}), - ets:match_delete(?COLLECTION_TABLE, {#bump{module=Module},'_'}). + case lists:member(?COLLECTION_TABLE, ets:all()) of + true -> + %% We're on the main node + ets:match_delete(?COLLECTION_TABLE, {#bump{module=Module},'_'}); + false -> + ok + end. not_loaded(Module, unloaded, State) -> do_clear(Module), @@ -2307,7 +2393,7 @@ pmap(Fun, [E | Rest], Pids, Limit, Cnt, Acc) when Cnt < Limit -> pmap(Fun, Rest, Pids ++ [Pid], Limit, Cnt + 1, Acc); pmap(Fun, List, [Pid | Pids], Limit, Cnt, Acc) -> receive - {'DOWN', _Ref, process, _, _} -> + {'DOWN', _Ref, process, X, _} when is_pid(X) -> pmap(Fun, List, [Pid | Pids], Limit, Cnt - 1, Acc); {res, Pid, Res} -> pmap(Fun, List, Pids, Limit, Cnt, [Res | Acc]) @@ -2316,6 +2402,6 @@ pmap(_Fun, [], [], _Limit, 0, Acc) -> lists:reverse(Acc); pmap(Fun, [], [], Limit, Cnt, Acc) -> receive - {'DOWN', _Ref, process, _, _} -> + {'DOWN', _Ref, process, X, _} when is_pid(X) -> pmap(Fun, [], [], Limit, Cnt - 1, Acc) end. diff --git a/lib/tools/test/cover_SUITE.erl b/lib/tools/test/cover_SUITE.erl index c2c708d806..3bf1b44af8 100644 --- a/lib/tools/test/cover_SUITE.erl +++ b/lib/tools/test/cover_SUITE.erl @@ -23,7 +23,7 @@ init_per_group/2,end_per_group/2]). -export([start/1, compile/1, analyse/1, misc/1, stop/1, - distribution/1, export_import/1, + distribution/1, reconnect/1, die_and_reconnect/1, export_import/1, otp_5031/1, eif/1, otp_5305/1, otp_5418/1, otp_6115/1, otp_7095/1, otp_8188/1, otp_8270/1, otp_8273/1, otp_8340/1]). @@ -45,7 +45,8 @@ suite() -> [{ct_hooks,[ts_install_cth]}]. all() -> case whereis(cover_server) of undefined -> - [start, compile, analyse, misc, stop, distribution, + [start, compile, analyse, misc, stop, + distribution, reconnect, die_and_reconnect, export_import, otp_5031, eif, otp_5305, otp_5418, otp_6115, otp_7095, otp_8188, otp_8270, otp_8273, otp_8340]; @@ -326,14 +327,16 @@ distribution(Config) when is_list(Config) -> ?line {ok,N1} = ?t:start_node(cover_SUITE_distribution1,slave,[]), ?line {ok,N2} = ?t:start_node(cover_SUITE_distribution2,slave,[]), ?line {ok,N3} = ?t:start_node(cover_SUITE_distribution3,slave,[]), + ?line {ok,N4} = ?t:start_node(cover_SUITE_distribution4,slave,[]), %% Check that an already compiled module is loaded on new nodes ?line {ok,f} = cover:compile(f), - ?line {ok,[_,_,_]} = cover:start(nodes()), + ?line {ok,[_,_,_,_]} = cover:start(nodes()), ?line cover_compiled = code:which(f), ?line cover_compiled = rpc:call(N1,code,which,[f]), ?line cover_compiled = rpc:call(N2,code,which,[f]), ?line cover_compiled = rpc:call(N3,code,which,[f]), + ?line cover_compiled = rpc:call(N4,code,which,[f]), %% Check that a node cannot be started twice ?line {ok,[]} = cover:start(N2), @@ -351,6 +354,7 @@ distribution(Config) when is_list(Config) -> ?line cover_compiled = rpc:call(N1,code,which,[v]), ?line cover_compiled = rpc:call(N2,code,which,[v]), ?line cover_compiled = rpc:call(N3,code,which,[v]), + ?line cover_compiled = rpc:call(N4,code,which,[v]), %% this is lost when the node is killed ?line rpc:call(N3,f,f2,[]), @@ -385,6 +389,18 @@ distribution(Config) when is_list(Config) -> %% reset on the remote node(s)) ?line check_f_calls(1,1), + %% Another checn that data is not fetched twice, i.e. when flushed + %% then analyse should not add the same data again. + ?line rpc:call(N4,f,f2,[]), + ?line ok = cover:flush(N4), + ?line check_f_calls(1,2), + + %% Check that flush collects data so calls are not lost if node is killed + ?line rpc:call(N4,f,f2,[]), + ?line ok = cover:flush(N4), + ?line rpc:call(N4,erlang,halt,[]), + ?line check_f_calls(1,3), + %% Check that stop() unloads on all nodes ?line ok = cover:stop(), ?line timer:sleep(100), %% Give nodes time to unload on slow machines. @@ -393,20 +409,117 @@ distribution(Config) when is_list(Config) -> ?line true = is_unloaded(LocalBeam), ?line true = is_unloaded(N2Beam), - %% Check that cover_server on remote node dies if main node dies + %% Check that cover_server on remote node does not die if main node dies ?line {ok,[N1]} = cover:start(N1), - ?line true = is_pid(rpc:call(N1,erlang,whereis,[cover_server])), + ?line true = is_pid(N1Server = rpc:call(N1,erlang,whereis,[cover_server])), ?line exit(whereis(cover_server),kill), - ?line timer:sleep(10), - ?line undefined = rpc:call(N1,erlang,whereis,[cover_server]), - + ?line timer:sleep(100), + ?line N1Server = rpc:call(N1,erlang,whereis,[cover_server]), + %% Cleanup ?line Files = lsfiles(), ?line remove(files(Files, ".beam")), ?line ?t:stop_node(N1), ?line ?t:stop_node(N2). - +%% Test that a lost node is reconnected +reconnect(Config) -> + DataDir = ?config(data_dir, Config), + ok = file:set_cwd(DataDir), + + {ok,a} = compile:file(a), + {ok,b} = compile:file(b), + {ok,f} = compile:file(f), + + {ok,N1} = ?t:start_node(cover_SUITE_reconnect,peer, + [{args," -pa " ++ DataDir},{start_cover,false}]), + {ok,a} = cover:compile(a), + {ok,f} = cover:compile(f), + {ok,[N1]} = cover:start(nodes()), + + %% Some calls to check later + rpc:call(N1,f,f1,[]), + cover:flush(N1), + rpc:call(N1,f,f1,[]), + + %% This will cause a call to f:f2() when nodes()==[] on N1 + rpc:cast(N1,f,call_f2_when_isolated,[]), + + %% Disconnect and check that node is removed from main cover node + net_kernel:disconnect(N1), + [] = cover:which_nodes(), + timer:sleep(500), % allow some time for the f:f2() call + + %% Do some add one module (b) and remove one module (a) + code:purge(a), + {module,a} = code:load_file(a), + {ok,b} = cover:compile(b), + cover_compiled = code:which(b), + + [] = cover:which_nodes(), + check_f_calls(1,0), % only the first call - before the flush + + %% Reconnect the node and check that b and f are cover compiled but not a + net_kernel:connect_node(N1), + timer:sleep(100), + [N1] = cover:which_nodes(), % we are reconnected + cover_compiled = rpc:call(N1,code,which,[b]), + cover_compiled = rpc:call(N1,code,which,[f]), + ABeam = rpc:call(N1,code,which,[a]), + false = (cover_compiled==ABeam), + + %% Ensure that we have: + %% * one f1 call from before the flush, + %% * one f1 call from after the flush but before disconnect + %% * one f2 call when disconnected + check_f_calls(2,1), + + cover:stop(), + ?t:stop_node(N1), + ok. + +%% Test that a lost node is reconnected - also if it has been dead +die_and_reconnect(Config) -> + DataDir = ?config(data_dir, Config), + ok = file:set_cwd(DataDir), + + {ok,f} = compile:file(f), + + NodeName = cover_SUITE_die_and_reconnect, + {ok,N1} = ?t:start_node(NodeName,peer, + [{args," -pa " ++ DataDir},{start_cover,false}]), + %% {ok,a} = cover:compile(a), + {ok,f} = cover:compile(f), + {ok,[N1]} = cover:start(nodes()), + + %% Some calls to check later + rpc:call(N1,f,f1,[]), + cover:flush(N1), + rpc:call(N1,f,f1,[]), + + %% Kill the node + rpc:call(N1,erlang,halt,[]), + [] = cover:which_nodes(), + + check_f_calls(1,0), % only the first call - before the flush + + %% Restart the node and check that cover reconnects + {ok,N1} = ?t:start_node(NodeName,peer, + [{args," -pa " ++ DataDir},{start_cover,false}]), + timer:sleep(100), + [N1] = cover:which_nodes(), % we are reconnected + cover_compiled = rpc:call(N1,code,which,[f]), + + %% One more call... + rpc:call(N1,f,f1,[]), + + %% Ensure that no more calls are counted + check_f_calls(2,0), + + cover:stop(), + ?t:stop_node(N1), + ok. + export_import(suite) -> []; export_import(Config) when is_list(Config) -> ?line DataDir = ?config(data_dir, Config), @@ -1238,4 +1351,4 @@ is_unloaded(What) -> end. check_f_calls(F1,F2) -> - {ok,[{{f,f1,0},F1},{{f,f2,0},F2}]} = cover:analyse(f,calls,function). + {ok,[{{f,f1,0},F1},{{f,f2,0},F2}|_]} = cover:analyse(f,calls,function). diff --git a/lib/tools/test/cover_SUITE_data/f.erl b/lib/tools/test/cover_SUITE_data/f.erl index 1ef8bbdb49..ce2963014a 100644 --- a/lib/tools/test/cover_SUITE_data/f.erl +++ b/lib/tools/test/cover_SUITE_data/f.erl @@ -1,5 +1,5 @@ -module(f). --export([f1/0,f2/0]). +-export([f1/0,f2/0,call_f2_when_isolated/0]). f1() -> f1_line1, @@ -8,3 +8,12 @@ f1() -> f2() -> f2_line1, f2_line2. + +call_f2_when_isolated() -> + case nodes() of + [] -> + f2(); + _ -> + timer:sleep(100), + call_f2_when_isolated() + end. |