diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/diameter/test/diameter_app_SUITE.erl | 54 |
1 files changed, 44 insertions, 10 deletions
diff --git a/lib/diameter/test/diameter_app_SUITE.erl b/lib/diameter/test/diameter_app_SUITE.erl index 1e262895a6..891147b7d1 100644 --- a/lib/diameter/test/diameter_app_SUITE.erl +++ b/lib/diameter/test/diameter_app_SUITE.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2010-2013. All Rights Reserved. +%% Copyright Ericsson AB 2010-2014. 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 @@ -158,12 +158,15 @@ appvsn(Name) -> %% # xref/1 %% %% Ensure that no function in our application calls an undefined function -%% or one in an application we haven't specified as a dependency. (Almost.) +%% or one in an application we haven't declared as a dependency. (Almost.) %% =========================================================================== xref(Config) -> App = fetch(app, Config), - Mods = fetch(modules, App), + Mods = fetch(modules, App), %% modules listed in the app file + + %% List of application names extracted from runtime_dependencies. + Deps = lists:map(fun unversion/1, fetch(runtime_dependencies, App)), {ok, XRef} = xref:start(make_name(xref_test_name)), ok = xref:set_default(XRef, [{verbose, false}, {warnings, false}]), @@ -178,7 +181,8 @@ xref(Config) -> [?APP, erts | fetch(applications, App)]), {ok, Undefs} = xref:analyze(XRef, undefined_function_calls), - {ok, Called} = xref:analyze(XRef, {module_call, ?COMPILER_MODULES}), + {ok, CTdeps} = xref:analyze(XRef, {module_call, ?COMPILER_MODULES}), + {ok, RTdeps} = xref:analyze(XRef, {module_call, Mods}), xref:stop(XRef), @@ -193,15 +197,45 @@ xref(Config) -> %% TLS security: it's up to a client who wants TLS it to start %% ssl. - [] = lists:filter(fun is_bad_dependency/1, Called). + %% Ensure that compiler modules don't call runtime modules. + [] = lists:filter(fun nok_compiler_dependency/1, CTdeps), + + %% Ensure that runtime modules only call other runtime modules, or + %% applications declared as in runtime_dependencies in the app + %% file. Note that the declared application versions are ignored + %% since we only know what we can see now. + [] = lists:filter(fun(M) -> not ok_runtime_dependency(M, Mods, Deps) end, + RTdeps). + +unversion(App) -> + T = lists:dropwhile(fun is_vsn_ch/1, lists:reverse(App)), + lists:reverse(case T of [$-|TT] -> TT; _ -> T end). + +is_vsn_ch(C) -> + $0 =< C andalso C =< $9 orelse $. == C. %% It's not strictly necessary that diameter compiler modules not %% depend on other diameter modules but it's a simple source of build -%% errors if not encoded in the makefile (hence the test) so guard -%% against it. -is_bad_dependency(Mod) -> - lists:prefix("diameter", atom_to_list(Mod)) - andalso not lists:member(Mod, ?COMPILER_MODULES). +%% errors if not properly encoded in the makefile so guard against it. +nok_compiler_dependency(Mod) -> + is_diameter(Mod) andalso not lists:member(Mod, ?COMPILER_MODULES). + +ok_runtime_dependency(Mod, Mods, Apps) -> + lists:member(app(Mod), Apps) + orelse (is_diameter(Mod) andalso lists:member(Mod, Mods)). + +is_diameter(Mod) -> + lists:prefix("diameter", atom_to_list(Mod)). + +app('$M_EXPR') -> %% could be anything but assume it's ok + "erts"; +app(Mod) -> + case code:which(Mod) of + preloaded -> + "erts"; + Path -> + unversion(lists:nth(3, lists:reverse(filename:split(Path)))) + end. add_application(XRef, App) -> add_application(XRef, App, code:lib_dir(App)). |