Add a testcase for 'plt_include_all_deps' dialyzer option

test/rebar_dialyzer_SUITE.erl

@@ -7,7 +7,8 @@
          all/0,
          update_base_plt/1,
          update_app_plt/1,
-         build_release_plt/1]).
+         build_release_plt/1,
+         plt_include_all_deps_option/1]).
 
 -include_lib("common_test/include/ct.hrl").
 -include_lib("eunit/include/eunit.hrl").
@@ -38,7 +39,7 @@ init_per_testcase(Testcase, Config) ->
      rebar_test_utils:init_rebar_state(Config)].
 
 all() ->
-    [update_base_plt, update_app_plt, build_release_plt].
+    [update_base_plt, update_app_plt, build_release_plt, plt_include_all_deps_option].
 
 update_base_plt(Config) ->
     AppDir = ?config(apps, Config),
@@ -130,6 +131,56 @@ build_release_plt(Config) ->
     {ok, PltFiles} = plt_files(Plt),
     ?assertEqual(ErtsFiles, PltFiles).
 
+plt_include_all_deps_option(Config) ->
+    AppDir = ?config(apps, Config),
+    RebarConfig = ?config(rebar_config, Config),
+    Plt = ?config(plt, Config),
+    State = ?config(state, Config),
+
+    %% Create applications
+    Name1 = rebar_test_utils:create_random_name("app1_"),
+    Vsn1 = rebar_test_utils:create_random_vsn(),
+    rebar_test_utils:create_app(filename:join([AppDir,"deps",Name1]), Name1, Vsn1,
+                                [erts]),
+    App1 = ec_cnv:to_atom(Name1),
+
+    Name2 = rebar_test_utils:create_random_name("app2_"),
+    Vsn2 = rebar_test_utils:create_random_vsn(),
+    rebar_test_utils:create_app(filename:join([AppDir,"deps",Name2]), Name2, Vsn2,
+                                [erts, App1]), % App2 depends on App1
+    App2 = ec_cnv:to_atom(Name2),
+
+    Name3 = rebar_test_utils:create_random_name("app3_"), % the project application
+    Vsn3 = rebar_test_utils:create_random_vsn(),
+    rebar_test_utils:create_app(AppDir, Name3, Vsn3,
+                                [erts, App2]), % App3 depends on App2
+
+    %% Dependencies settings
+    State1 = rebar_state:add_resource(State, {localfs, rebar_localfs_resource}),
+    Config1 = [{state, State1} | Config],
+    RebarConfig1 = merge_config(
+                     [{deps,
+                       [
+                        {App1, {localfs, filename:join([AppDir,"deps",Name1])}},
+                        {App2, {localfs, filename:join([AppDir,"deps",Name2])}}
+                       ]}],
+                     RebarConfig),
+
+    %% Dialyzer: plt_include_all_deps = false (default)
+    rebar_test_utils:run_and_check(Config1, RebarConfig1, ["dialyzer"],
+                                   {ok, [{app, Name3}]}),
+    {ok, PltFiles1} = plt_files(Plt),
+    ?assertEqual([App2, erts], get_apps_from_beam_files(PltFiles1)),
+
+    %% Dialyzer: plt_include_all_deps = true
+    RebarConfig2 = merge_config([{dialyzer, [{plt_include_all_deps, true}]}],
+                                RebarConfig1),
+    rebar_test_utils:run_and_check(Config1, RebarConfig2, ["dialyzer"],
+                                   {ok, [{app, Name3}]}),
+
+    {ok, PltFiles2} = plt_files(Plt),
+    ?assertEqual([App1, App2, erts], get_apps_from_beam_files(PltFiles2)).
+
 %% Helpers
 
 erts_files() ->
@@ -157,3 +208,19 @@ alter_plt(Plt) ->
                       {init_plt, Plt},
                       {files, [code:which(dialyzer)]}]),
     ok.
+
+-spec merge_config(Config, Config) -> Config when
+      Config :: [{term(), term()}].
+merge_config(NewConfig, OldConfig) ->
+    dict:to_list(
+      rebar_opts:merge_opts(dict:from_list(NewConfig),
+                            dict:from_list(OldConfig))).
+
+-spec get_apps_from_beam_files(string()) -> [atom()].
+get_apps_from_beam_files(BeamFiles) ->
+    lists:usort(
+      [begin
+           AppNameVsn = filename:basename(filename:dirname(filename:dirname(File))),
+           [AppName | _] = string:tokens(AppNameVsn ++ "-", "-"),
+           ec_cnv:to_atom(AppName)
+       end || File <- BeamFiles]).