eunit: remove application modules from the modules eligible to test

application modules will be added to the eunit test set automatically, no
need to consider them for inclusion in the test set separately

1 files changed, 5 insertions, 4 deletions

diff --git a/src/rebar_prv_eunit.erl b/src/rebar_prv_eunit.erl
index f65f700..7d44137 100644
--- a/src/rebar_prv_eunit.erl
+++ b/src/rebar_prv_eunit.erl
@@ -195,17 +195,18 @@ gather_src([Dir|Rest], Regex, Srcs) ->
     gather_src(Rest, Regex, Srcs ++ rebar_utils:find_files(Dir, Regex, true)).
 
 dedupe_tests({AppMods, TestMods}) ->
+    UniqueTestMods = lists:usort(TestMods) -- AppMods,
     %% for each modules in TestMods create a test if there is not a module
     %% in AppMods that will trigger it
-    F = fun(Mod) ->
-        M = filename:rootname(filename:basename(Mod)),
-        MatchesTest = fun(Dir) -> filename:rootname(filename:basename(Dir)) ++ "_tests" == M end,
+    F = fun(TestMod) ->
+        M = filename:rootname(filename:basename(TestMod)),
+        MatchesTest = fun(AppMod) -> filename:rootname(filename:basename(AppMod)) ++ "_tests" == M end,
         case lists:any(MatchesTest, AppMods) of
             false -> {true, {module, list_to_atom(M)}};
             true  -> false
         end
     end,
-    lists:usort(rebar_utils:filtermap(F, TestMods)).
+    rebar_utils:filtermap(F, UniqueTestMods).
 
 inject_eunit_state(State, {ok, Tests}) ->
     Apps = rebar_state:project_apps(State),