diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/rebar_prv_eunit.erl | 603 |
1 files changed, 110 insertions, 493 deletions
diff --git a/src/rebar_prv_eunit.erl b/src/rebar_prv_eunit.erl index c14a15d..cb0e850 100644 --- a/src/rebar_prv_eunit.erl +++ b/src/rebar_prv_eunit.erl @@ -12,9 +12,7 @@ -include("rebar.hrl"). -define(PROVIDER, eunit). - -define(DEPS, [compile]). --define(EUNIT_DIR, ".eunit"). %% =================================================================== %% Public API @@ -22,507 +20,126 @@ -spec init(rebar_state:t()) -> {ok, rebar_state:t()}. init(State) -> - State1 = rebar_state:add_provider(State, providers:create([{name, ?PROVIDER}, - {module, ?MODULE}, - {bare, false}, - {deps, ?DEPS}, - {example, "rebar eunit"}, - {short_desc, "Run eunit tests on project apps."}, - {desc, ""}, - {opts, []}])), - + Provider = providers:create([{name, ?PROVIDER}, + {module, ?MODULE}, + {deps, ?DEPS}, + {bare, false}, + {example, "rebar eunit"}, + {short_desc, "Run EUnit Tests."}, + {desc, ""}, + {opts, eunit_opts(State)}, + {profile, test}]), + State1 = rebar_state:add_provider(State, Provider), {ok, State1}. -spec do(rebar_state:t()) -> {ok, rebar_state:t()} | {error, string()}. do(State) -> - ok = ensure_dirs(), - %% Save code path - CodePath = setup_code_path(), - CompileOnly = rebar_state:get(State, compile_only, false), - {ok, SrcErls} = rebar_erlc_compiler:test_compile(State, "eunit", - ?EUNIT_DIR), - case CompileOnly of - "true" -> - true = rebar_utils:cleanup_code_path(CodePath), - ?CONSOLE("Compiled modules for eunit~n", []); - false -> - run_eunit(State, CodePath, SrcErls) + ?INFO("Performing EUnit tests...", []), + {RawOpts, _} = rebar_state:command_parsed_args(State), + Opts = transform_opts(RawOpts, State), + ProjectApps = rebar_state:project_apps(State), + OutDir = case proplists:get_value(outdir, Opts, undefined) of + undefined -> filename:join([rebar_state:dir(State), + ec_file:insecure_mkdtemp()]); + Path -> Path end, - {ok, State}. + ?DEBUG("Compiling EUnit instrumented modules in: ~p", [OutDir]), + lists:foreach(fun(App) -> + AppDir = rebar_app_info:dir(App), + C = rebar_config:consult(AppDir), + S = rebar_state:new(State, C, AppDir), + %% combine `erl_first_files` and `eunit_first_files` and adjust + %% compile opts to include `eunit_compile_opts`, `{d, 'TEST'}` + %% and `{src_dirs, "test"}` + TestState = first_files(test_opts(S, OutDir)), + ok = rebar_erlc_compiler:compile(TestState, AppDir) + end, ProjectApps), + true = code:add_patha(OutDir), + EUnitOpts = resolve_eunit_opts(State, Opts), + AppsToTest = [{application, erlang:binary_to_atom(rebar_app_info:name(App), unicode)} + || App <- ProjectApps], + case handle_results(eunit:test(AppsToTest, EUnitOpts)) of + {error, Reason} -> + {error, {?MODULE, Reason}}; + ok -> + {ok, State} + end. -spec format_error(any()) -> iolist(). -format_error(Reason) -> - io_lib:format("~p", [Reason]). +format_error(unknown_error) -> + io_lib:format("Error running tests", []); +format_error({error_running_tests, Reason}) -> + io_lib:format("Error running tests: ~p", [Reason]). -run_eunit(Config, CodePath, SrcErls) -> - %% Build a list of all the .beams in ?EUNIT_DIR -- use this for - %% cover and eunit testing. Normally you can just tell cover - %% and/or eunit to scan the directory for you, but eunit does a - %% code:purge in conjunction with that scan and causes any cover - %% compilation info to be lost. - AllBeamFiles = rebar_utils:beams(?EUNIT_DIR), - {BeamFiles, TestBeamFiles} = - lists:partition(fun(N) -> string:str(N, "_tests.beam") =:= 0 end, - AllBeamFiles), - OtherBeamFiles = TestBeamFiles -- - [filename:rootname(N) ++ "_tests.beam" || N <- AllBeamFiles], - ModuleBeamFiles = randomize_suites(Config, BeamFiles ++ OtherBeamFiles), - %% Get matching tests and modules - AllModules = [rebar_utils:beam_to_mod(?EUNIT_DIR, N) || N <- AllBeamFiles], - {Tests, FilteredModules} = - get_tests_and_modules(Config, ModuleBeamFiles, AllModules), - SrcModules = [rebar_utils:erl_to_mod(M) || M <- SrcErls], - {ok, CoverLog} = rebar_cover_utils:init(Config, ModuleBeamFiles, - eunit_dir()), - StatusBefore = status_before_eunit(), - EunitResult = perform_eunit(Config, Tests), - rebar_cover_utils:perform_cover(Config, FilteredModules, SrcModules, - eunit_dir()), - rebar_cover_utils:close(CoverLog), - case proplists:get_value(reset_after_eunit, get_eunit_opts(Config), - true) of - true -> - reset_after_eunit(StatusBefore); - false -> - ok - end, - %% Stop cover to clean the cover_server state. This is important if we want - %% eunit+cover to not slow down when analyzing many Erlang modules. - ok = rebar_cover_utils:exit(), - case EunitResult of - ok -> - ok; - _ -> - ?ABORT("One or more eunit tests failed.", []) +eunit_opts(_State) -> + [{outdir, $o, "outdir", string, help(outdir)}, + {verbose, $v, "verbose", boolean, help(verbose)}]. + +help(outdir) -> "Output directory for EUnit compiled modules"; +help(verbose) -> "Verbose output". + +transform_opts(Opts, State) -> transform_opts(Opts, State, []). + +transform_opts([], _State, Acc) -> Acc; +transform_opts([{outdir, Path}|Rest], State, Acc) -> + NewAcc = case filename:pathtype(Path) of + absolute -> [{outdir, Path}] ++ Acc; + _ -> [{outdir, filename:join([rebar_state:dir(State), Path])}] ++ Acc end, - %% Restore code path - true = rebar_utils:cleanup_code_path(CodePath), - ok. -ensure_dirs() -> - %% Make sure ?EUNIT_DIR/ and ebin/ directory exists (append dummy module) - ok = filelib:ensure_dir(filename:join(eunit_dir(), "dummy")), - ok = filelib:ensure_dir(filename:join(rebar_dir:ebin_dir(), "dummy")). -eunit_dir() -> - filename:join(rebar_dir:get_cwd(), ?EUNIT_DIR). -setup_code_path() -> - %% Setup code path prior to compilation so that parse_transforms - %% and the like work properly. Also, be sure to add ebin_dir() - %% to the END of the code path so that we don't have to jump - %% through hoops to access the .app file - CodePath = code:get_path(), - true = code:add_patha(eunit_dir()), - true = code:add_pathz(rebar_dir:ebin_dir()), - CodePath. -%% -%% == get matching tests == -%% -get_tests_and_modules(Config, ModuleBeamFiles, AllModules) -> - SelectedSuites = get_selected_suites(Config, AllModules), - {Tests, QualifiedTests} = get_qualified_and_unqualified_tests(Config), - Modules = get_test_modules(SelectedSuites, Tests, - QualifiedTests, ModuleBeamFiles), - FilteredModules = get_matching_modules(AllModules, Modules, QualifiedTests), - MatchedTests = get_matching_tests(Modules, Tests, QualifiedTests), - {MatchedTests, FilteredModules}. -%% -%% == get suites specified via 'suites' option == -%% -get_selected_suites(Config, Modules) -> - RawSuites = get_suites(Config), - Suites = [list_to_atom(Suite) || Suite <- string:tokens(RawSuites, ",")], - [M || M <- Suites, lists:member(M, Modules)]. -get_suites(Config) -> - case rebar_state:get(Config, suites, "") of - "" -> - rebar_state:get(Config, suite, ""); - Suites -> - Suites - end. -get_qualified_and_unqualified_tests(Config) -> - RawFunctions = rebar_state:get(Config, tests, ""), - FunctionNames = [FunctionName || - FunctionName <- string:tokens(RawFunctions, ",")], - get_qualified_and_unqualified_tests1(FunctionNames, [], []). -get_qualified_and_unqualified_tests1([], Functions, QualifiedFunctions) -> - {Functions, QualifiedFunctions}; -get_qualified_and_unqualified_tests1([TestName|TestNames], Functions, - QualifiedFunctions) -> - case string:tokens(TestName, ":") of - [TestName] -> - Function = list_to_atom(TestName), - get_qualified_and_unqualified_tests1( - TestNames, [Function|Functions], QualifiedFunctions); - [ModuleName, FunctionName] -> - M = list_to_atom(ModuleName), - F = list_to_atom(FunctionName), - get_qualified_and_unqualified_tests1(TestNames, Functions, - [{M, F}|QualifiedFunctions]); - _ -> - ?ABORT("Unsupported test function specification: ~s", [TestName]) - end. -%% Provide modules which are to be searched for tests. -%% Several scenarios are possible: -%% -%% == randomize suites == -%% -randomize_suites(Config, Modules) -> - case rebar_state:get(Config, random_suite_order, undefined) of - undefined -> - Modules; - "true" -> - Seed = crypto:rand_uniform(1, 65535), - randomize_suites1(Modules, Seed); - String -> - try list_to_integer(String) of - Seed -> - randomize_suites1(Modules, Seed) - catch - error:badarg -> - ?ERROR("Bad random seed provided: ~p", [String]), - ?FAIL - end - end. -randomize_suites1(Modules, Seed) -> - _ = random:seed(35, Seed, 1337), - ?CONSOLE("Randomizing suite order with seed ~b~n", [Seed]), - [X||{_,X} <- lists:sort([{random:uniform(), M} || M <- Modules])]. -%% -%% == get matching tests == -%% 1) Specific tests have been provided and/or -%% no unqualified tests have been specified and -%% there were some qualified tests, then we can search for -%% functions in specified suites (or in empty set of suites). -%% -%% 2) Neither specific suites nor qualified test names have been -%% provided use ModuleBeamFiles which filters out "*_tests" -%% modules so EUnit won't doubly run them and cover only -%% calculates coverage on production code. However, -%% keep "*_tests" modules that are not automatically -%% included by EUnit. -%% -%% From 'Primitives' in the EUnit User's Guide -%% http://www.erlang.org/doc/apps/eunit/chapter.html -%% "In addition, EUnit will also look for another -%% module whose name is ModuleName plus the suffix -%% _tests, and if it exists, all the tests from that -%% module will also be added. (If ModuleName already -%% contains the suffix _tests, this is not done.) E.g., -%% the specification {module, mymodule} will run all -%% tests in the modules mymodule and mymodule_tests. -%% Typically, the _tests module should only contain -%% test cases that use the public interface of the main -%% module (and no other code)." -get_test_modules(SelectedSuites, Tests, QualifiedTests, ModuleBeamFiles) -> - SuitesProvided = SelectedSuites =/= [], - OnlyQualifiedTestsProvided = QualifiedTests =/= [] andalso Tests =:= [], - if - SuitesProvided orelse OnlyQualifiedTestsProvided -> - SelectedSuites; - true -> - [rebar_utils:beam_to_mod(?EUNIT_DIR, N) || - N <- ModuleBeamFiles] - end. -get_matching_modules(AllModules, Modules, QualifiedTests) -> - ModuleFilterMapper = - fun({M, _}) -> - case lists:member(M, AllModules) of - true -> {true, M}; - _-> false - end - end, - ModulesFromQualifiedTests = lists:zf(ModuleFilterMapper, QualifiedTests), - lists:usort(Modules ++ ModulesFromQualifiedTests). -get_matching_tests(Modules, [], []) -> - Modules; -get_matching_tests(Modules, [], QualifiedTests) -> - FilteredQualifiedTests = filter_qualified_tests(Modules, QualifiedTests), - lists:merge(Modules, make_test_primitives(FilteredQualifiedTests)); -get_matching_tests(Modules, Tests, QualifiedTests) -> - AllTests = lists:merge(QualifiedTests, - get_matching_tests1(Modules, Tests, [])), - make_test_primitives(AllTests). -filter_qualified_tests(Modules, QualifiedTests) -> - TestsFilter = fun({Module, _Function}) -> - lists:all(fun(M) -> M =/= Module end, Modules) end, - lists:filter(TestsFilter, QualifiedTests). -get_matching_tests1([], _Functions, TestFunctions) -> - TestFunctions; -get_matching_tests1([Module|TModules], Functions, TestFunctions) -> - %% Get module exports - ModuleStr = atom_to_list(Module), - ModuleExports = get_beam_test_exports(ModuleStr), - %% Get module _tests exports - TestModuleStr = string:concat(ModuleStr, "_tests"), - TestModuleExports = get_beam_test_exports(TestModuleStr), - %% Build tests {M, F} list - Tests = get_matching_tests2(Functions, {Module, ModuleExports}, - {list_to_atom(TestModuleStr), - TestModuleExports}), - get_matching_tests1(TModules, Functions, - lists:merge([TestFunctions, Tests])). -get_matching_tests2(Functions, {Mod, ModExports}, {TestMod, TestModExports}) -> - %% Look for matching functions into ModExports - ModExportsStr = [atom_to_list(E1) || E1 <- ModExports], - TestModExportsStr = [atom_to_list(E2) || E2 <- TestModExports], - get_matching_exports(Functions, {Mod, ModExportsStr}, - {TestMod, TestModExportsStr}, []). -get_matching_exports([], _, _, Matched) -> - Matched; -get_matching_exports([Function|TFunctions], {Mod, ModExportsStr}, - {TestMod, TestModExportsStr}, Matched) -> - FunctionStr = atom_to_list(Function), - %% Get matching Function in module, otherwise look in _tests module - NewMatch = case get_matching_export(FunctionStr, ModExportsStr) of - [] -> - {TestMod, get_matching_export(FunctionStr, - TestModExportsStr)}; - MatchingExport -> - {Mod, MatchingExport} - end, - case NewMatch of - {_, []} -> - get_matching_exports(TFunctions, {Mod, ModExportsStr}, - {TestMod, TestModExportsStr}, Matched); - _ -> - get_matching_exports(TFunctions, {Mod, ModExportsStr}, - {TestMod, TestModExportsStr}, - [NewMatch|Matched]) - end. -get_matching_export(_FunctionStr, []) -> - []; -get_matching_export(FunctionStr, [ExportStr|TExportsStr]) -> - case string:str(ExportStr, FunctionStr) of - 1 -> - list_to_atom(ExportStr); - _ -> - get_matching_export(FunctionStr, TExportsStr) - end. -get_beam_test_exports(ModuleStr) -> - FilePath = filename:join(eunit_dir(), - string:concat(ModuleStr, ".beam")), - case filelib:is_regular(FilePath) of - true -> - {beam_file, _, Exports0, _, _, _} = beam_disasm:file(FilePath), - Exports1 = [FunName || {FunName, FunArity, _} <- Exports0, - FunArity =:= 0], - F = fun(FName) -> - FNameStr = atom_to_list(FName), - re:run(FNameStr, "_test(_)?") =/= nomatch - end, - lists:filter(F, Exports1); - _ -> - [] + transform_opts(Rest, State, NewAcc); +transform_opts([{Key, Val}|Rest], State, Acc) -> + transform_opts(Rest, State, [{Key, Val}|Acc]). + +test_opts(State, TmpDir) -> + ErlOpts = rebar_state:get(State, eunit_compile_opts, []) ++ + rebar_utils:erl_opts(State), + TestOpts = [{outdir, TmpDir}] ++ + add_test_dir(ErlOpts) ++ + safe_define_test_macro(ErlOpts), + rebar_state:set(State, erl_opts, TestOpts). + +add_test_dir(Opts) -> + %% if no src_dirs are set we have to specify `src` or it won't + %% be built + case proplists:append_values(src_dirs, Opts) of + [] -> [{src_dirs, ["src", "test"]}]; + _ -> [{src_dirs, ["test"]}] end. -make_test_primitives(RawTests) -> - %% Use {test,M,F} and {generator,M,F} if at least R15B02. Otherwise, - %% use eunit_test:function_wrapper/2 fallback. - %% eunit_test:function_wrapper/2 was renamed to eunit_test:mf_wrapper/2 - %% in R15B02; use that as >= R15B02 check. - %% TODO: remove fallback and use only {test,M,F} and {generator,M,F} - %% primitives once at least R15B02 is required. - {module, eunit_test} = code:ensure_loaded(eunit_test), - MakePrimitive = case erlang:function_exported(eunit_test, mf_wrapper, 2) of - true -> fun eunit_primitive/3; - false -> fun pre15b02_eunit_primitive/3 - end, - ?CONSOLE(" Running test function(s):~n", []), - F = fun({M, F2}, Acc) -> - ?CONSOLE(" ~p:~p/0~n", [M, F2]), - FNameStr = atom_to_list(F2), - NewFunction = - case re:run(FNameStr, "_test_") of - nomatch -> - %% Normal test - MakePrimitive(test, M, F2); - _ -> - %% Generator - MakePrimitive(generator, M, F2) - end, - [NewFunction|Acc] - end, - lists:foldl(F, [], RawTests). -eunit_primitive(Type, M, F) -> - {Type, M, F}. -pre15b02_eunit_primitive(test, M, F) -> - eunit_test:function_wrapper(M, F); -pre15b02_eunit_primitive(generator, M, F) -> - {generator, eunit_test:function_wrapper(M, F)}. -%% -%% == run tests == -%% -perform_eunit(Config, Tests) -> - EunitOpts = get_eunit_opts(Config), - %% Move down into ?EUNIT_DIR while we run tests so any generated files - %% are created there (versus in the source dir) - Cwd = rebar_dir:get_cwd(), - ok = file:set_cwd(?EUNIT_DIR), - EunitResult = (catch eunit:test(Tests, EunitOpts)), - %% Return to original working dir - ok = file:set_cwd(Cwd), - EunitResult. -get_eunit_opts(Config) -> - %% Enable verbose in eunit if so requested.. - BaseOpts = case rebar_log:is_verbose(Config) of - true -> - [verbose]; - false -> - [] - end, - BaseOpts ++ rebar_state:get(Config, eunit_opts, []). -%% -%% == reset_after_eunit == -%% -status_before_eunit() -> - Apps = get_app_names(), - AppEnvs = [{App, application:get_all_env(App)} || App <- Apps], - {erlang:processes(), erlang:is_alive(), AppEnvs, ets:tab2list(ac_tab)}. -get_app_names() -> - [AppName || {AppName, _, _} <- application:loaded_applications()]. -reset_after_eunit({OldProcesses, WasAlive, OldAppEnvs, _OldACs}) -> - IsAlive = erlang:is_alive(), - if not WasAlive andalso IsAlive -> - ?DEBUG("Stopping net kernel....\n", []), - erl_epmd:stop(), - _ = net_kernel:stop(), - pause_until_net_kernel_stopped(); - true -> - ok - end, - OldApps = [App || {App, _} <- OldAppEnvs], - Apps = get_app_names(), - _ = [begin - _ = case lists:member(App, OldApps) of - true -> ok; - false -> application:stop(App) - end, - ok = application:unset_env(App, K) - end || App <- Apps, App /= rebar, - {K, _V} <- application:get_all_env(App), - K =/= included_applications], - reconstruct_app_env_vars(Apps), - Processes = erlang:processes(), - _ = kill_extras(Processes -- OldProcesses), - ok. -kill_extras(Pids) -> - %% Killing any of the procs below will either: - %% 1. Interfere with stuff that we don't want interfered with, or - %% 2. May/will force the 'kernel' app to shutdown, which *will* - %% interfere with rebar's ability To Do Useful Stuff(tm). - %% This list may require changes as OTP versions and/or - %% rebar use cases change. - KeepProcs = [cover_server, eunit_server, - eqc, eqc_license, eqc_locked, - %% inet_gethost_native is started on demand, when - %% doing name lookups. It is under kernel_sup, under - %% a supervisor_bridge. - inet_gethost_native], - Killed = [begin - Info = case erlang:process_info(Pid) of - undefined -> []; - Else -> Else - end, - Keep1 = case proplists:get_value(registered_name, Info) of - undefined -> - false; - Name -> - lists:member(Name, KeepProcs) - end, - Keep2 = case proplists:get_value(dictionary, Info) of - undefined -> - false; - Ds -> - case proplists:get_value('$ancestors', Ds) of - undefined -> - false; - As -> - lists:member(kernel_sup, As) - end - end, - if Keep1 orelse Keep2 -> - ok; - true -> - ?DEBUG("Kill ~p ~p\n", [Pid, Info]), - exit(Pid, kill), - Pid - end - end || Pid <- Pids], - case lists:usort(Killed) -- [ok] of - [] -> - ?DEBUG("No processes to kill\n", []), - []; - Else -> - lists:foreach(fun(Pid) -> wait_until_dead(Pid) end, Else), - Else + +safe_define_test_macro(Opts) -> + %% defining a compile macro twice results in an exception so + %% make sure 'TEST' is only defined once + case test_defined(Opts) of + true -> Opts; + false -> [{d, 'TEST'}] ++ Opts end. -reconstruct_app_env_vars([App|Apps]) -> - CmdLine0 = proplists:get_value(App, init:get_arguments(), []), - CmdVars = [{list_to_atom(K), list_to_atom(V)} || {K, V} <- CmdLine0], - AppFile = (catch filename:join([code:lib_dir(App), - "ebin", - atom_to_list(App) ++ ".app"])), - AppVars = case file:consult(AppFile) of - {ok, [{application, App, Ps}]} -> - proplists:get_value(env, Ps, []); - _ -> - [] - end, - %% App vars specified in config files override those in the .app file. - %% Config files later in the args list override earlier ones. - AppVars1 = case init:get_argument(config) of - {ok, ConfigFiles} -> - {App, MergedAppVars} = lists:foldl(fun merge_app_vars/2, - {App, AppVars}, - ConfigFiles), - MergedAppVars; - error -> - AppVars - end, - AllVars = CmdVars ++ AppVars1, - ?DEBUG("Reconstruct ~p ~p\n", [App, AllVars]), - lists:foreach(fun({K, V}) -> application:set_env(App, K, V) end, AllVars), - reconstruct_app_env_vars(Apps); -reconstruct_app_env_vars([]) -> - ok. -merge_app_vars(ConfigFile, {App, AppVars}) -> - File = ensure_config_extension(ConfigFile), - FileAppVars = app_vars_from_config_file(File, App), - Dict1 = dict:from_list(AppVars), - Dict2 = dict:from_list(FileAppVars), - Dict3 = dict:merge(fun(_Key, _Value1, Value2) -> Value2 end, Dict1, Dict2), - {App, dict:to_list(Dict3)}. -ensure_config_extension(File) -> - %% config files must end with .config on disk but when specifying them - %% via the -config option the extension is optional - BaseFileName = filename:basename(File, ".config"), - DirName = filename:dirname(File), - filename:join(DirName, BaseFileName ++ ".config"). -app_vars_from_config_file(File, App) -> - case file:consult(File) of - {ok, [Env]} -> - proplists:get_value(App, Env, []); - _ -> - [] + +test_defined([{d, 'TEST'}|_]) -> true; +test_defined([{d, 'TEST', true}|_]) -> true; +test_defined([_|Rest]) -> test_defined(Rest); +test_defined([]) -> false. + +first_files(State) -> + BaseFirst = rebar_state:get(State, erl_first_files, []), + EUnitFirst = rebar_state:get(State, eunit_first_files, []), + rebar_state:set(State, erl_first_modules, BaseFirst ++ EUnitFirst). + +resolve_eunit_opts(State, Opts) -> + EUnitOpts = rebar_state:get(State, eunit_opts, []), + case lists:member({verbose, true}, Opts) of + true -> set_verbose(EUnitOpts); + false -> EUnitOpts end. -wait_until_dead(Pid) when is_pid(Pid) -> - Ref = erlang:monitor(process, Pid), - receive - {'DOWN', Ref, process, _Obj, Info} -> - Info - after 10*1000 -> - exit({timeout_waiting_for, Pid}) - end; -wait_until_dead(_) -> - ok. -pause_until_net_kernel_stopped() -> - pause_until_net_kernel_stopped(10). -pause_until_net_kernel_stopped(0) -> - exit(net_kernel_stop_failed); -pause_until_net_kernel_stopped(N) -> - case node() of - 'nonode@nohost' -> - ?DEBUG("Stopped net kernel.\n", []), - ok; - _ -> - timer:sleep(100), - pause_until_net_kernel_stopped(N - 1) + +set_verbose(Opts) -> + case lists:member(verbose, Opts) of + true -> Opts; + false -> [verbose] ++ Opts end. + +handle_results(ok) -> ok; +handle_results(error) -> + {error, unknown_error}; +handle_results({error, Reason}) -> + {error, {error_running_tests, Reason}}. + |