test deps support, but builds them after project apps currently

src/rebar.app.src

@@ -25,6 +25,7 @@
                      rebar_prv_deps,
                      rebar_prv_do,
                      rebar_prv_lock,
+                     rebar_prv_test_deps,
                      rebar_prv_install_deps,
                      rebar_prv_packages,
                      rebar_erlydtl_compiler,

src/rebar_app_discover.erl

@@ -111,7 +111,10 @@ create_app_info(AppDir, AppFile) ->
     case file:consult(AppFile) of
         {ok, [{application, AppName, AppDetails}]} ->
             AppVsn = proplists:get_value(vsn, AppDetails),
-            AppDeps = proplists:get_value(applications, AppDetails, []),
+            %AppDeps = proplists:get_value(applications, AppDetails, []),
+            C = rebar_config:consult(AppDir),
+            S = rebar_state:new(rebar_state:new(), C, AppDir),
+            AppDeps = rebar_state:deps_names(S),
             AbsCwd = filename:absname(rebar_utils:get_cwd()),
             {ok, AppInfo} = rebar_app_info:new(AppName, AppVsn, AppDir, AppDeps),
             RebarConfig = filename:join(AppDir, "rebar.config"),

src/rebar_prv_install_deps.erl

@@ -77,7 +77,7 @@ do(State) ->
     Source = ProjectApps ++ rebar_state:src_apps(State1),
     case rebar_topo:sort_apps(Source) of
         {ok, Sort} ->
-            {ok, rebar_state:set(State1, deps_to_build, lists:dropwhile(fun is_valid/1, Sort -- ProjectApps))};
+            {ok, rebar_state:set(State1, deps_to_build, lists:dropwhile(fun rebar_app_info:valid/1, Sort -- ProjectApps))};
         {error, Error} ->
             {error, Error}
     end.
@@ -137,10 +137,6 @@ handle_deps(State, Deps, Update) ->
 %% Internal functions
 %% ===================================================================
 
--spec is_valid(rebar_app_info:t()) -> boolean().
-is_valid(App) ->
-    rebar_app_info:valid(App).
-
 -spec package_to_app(file:filename_all(), rebar_dict(),
                     rlx_depsolver:pkg()) -> [rebar_app_info:t()].
 package_to_app(DepsDir, Packages, Pkg={_, Vsn}) ->

src/rebar_prv_test_deps.erl

@@ -0,0 +1,55 @@
+-module(rebar_prv_test_deps).
+
+-behaviour(provider).
+
+-export([init/1,
+         do/1]).
+
+-include("rebar.hrl").
+
+-define(PROVIDER, test_deps).
+-define(DEPS, [install_deps]).
+
+%% ===================================================================
+%% Public API
+%% ===================================================================
+
+-spec init(rebar_state:t()) -> {ok, rebar_state:t()}.
+init(State) ->
+    State1 = rebar_state:add_provider(State, providers:create([{name, ?PROVIDER},
+                                                               {module, ?MODULE},
+                                                               {bare, true},
+                                                               {deps, ?DEPS},
+                                                               {example, undefined},
+                                                               {short_desc, "Install dependencies needed only for testing."},
+                                                               {desc, ""},
+                                                               {opts, []}])),
+    {ok, State1}.
+
+-spec do(rebar_state:t()) -> {ok, rebar_state:t()} | {error, string()}.
+do(State) ->
+    ProjectApps = rebar_state:project_apps(State),
+    TestDeps = rebar_state:get(State, test_deps, []),
+    Names = [ec_cnv:to_binary(element(1, Dep)) || Dep <- TestDeps],
+    ProjectApps1 = [rebar_app_info:deps(A, Names) || A <- ProjectApps],
+
+    {ok, State1} = rebar_prv_install_deps:handle_deps(State, TestDeps),
+    AllDeps = rebar_state:get(State1, all_deps, []),
+
+    case rebar_topo:sort_apps(ProjectApps1++AllDeps) of
+        {ok, Sort} ->
+            ToBuild = lists:dropwhile(fun rebar_app_info:valid/1, Sort),
+            lists:foreach(fun(AppInfo) ->
+                                  AppDir = rebar_app_info:dir(AppInfo),
+                                  C = rebar_config:consult(AppDir),
+                                  S = rebar_state:new(State1, C, AppDir),
+                                  rebar_prv_compile:build(S, AppInfo)
+                          end, ToBuild),
+            {ok, State1};
+        {error, Error} ->
+            {error, Error}
+    end.
+
+%% ===================================================================
+%% Internal functions
+%% ===================================================================

src/rebar_utils.erl

@@ -32,6 +32,8 @@
          is_arch/1,
          sh/2,
          sh_send/3,
+         abort/0,
+         abort/2,
          escript_foldl/3,
          find_files/2,
          find_files/3,
@@ -408,6 +410,14 @@ beams(Dir) ->
     filelib:fold_files(Dir, ".*\.beam\$", true,
                        fun(F, Acc) -> [F | Acc] end, []).
 
+-spec abort() -> no_return().
+abort() ->
+    throw(rebar_abort).
+-spec abort(string(), [term()]) -> no_return().
+abort(String, Args) ->
+    ?ERROR(String, Args),
+    abort().
+
 escript_foldl(Fun, Acc, File) ->
     case escript:extract(File, [compile_source]) of
         {ok, [_Shebang, _Comment, _EmuArgs, Body]} ->