From 945543da19facd2dc7d9284a2df3e934f28800db Mon Sep 17 00:00:00 2001
From: alisdair sullivan <alisdairsullivan@yahoo.ca>
Date: Wed, 25 Mar 2015 06:38:00 -0700
Subject: execute `cover` task as `test` profile and write generated data to
 the appropriate `_build` dir

---
 src/rebar_prv_cover.erl | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

(limited to 'src')

diff --git a/src/rebar_prv_cover.erl b/src/rebar_prv_cover.erl
index d6e18dc..45d5b81 100644
--- a/src/rebar_prv_cover.erl
+++ b/src/rebar_prv_cover.erl
@@ -29,7 +29,8 @@ init(State) ->
                                                                {example, "rebar3 cover"},
                                                                {short_desc, "Perform coverage analysis."},
                                                                {desc, ""},
-                                                               {opts, cover_opts(State)}])),
+                                                               {opts, cover_opts(State)},
+                                                               {profiles, [test]}])),
     {ok, State1}.
 
 -spec do(rebar_state:t()) -> {ok, rebar_state:t()} | {error, string()}.
@@ -333,7 +334,8 @@ verbose(State) ->
     end.
 
 cover_dir(State) ->
-    rebar_state:get(State, cover_data_dir, filename:join(["_build", "cover"])).
+    rebar_state:get(State, cover_data_dir, filename:join([rebar_dir:base_dir(State),
+                                                          "cover"])).
 
 cover_opts(_State) ->
     [{reset, $r, "reset", boolean, help(reset)},
-- 
cgit v1.1


From df4673d378ed9417a79d22aea7251f7f04468f77 Mon Sep 17 00:00:00 2001
From: alisdair sullivan <alisdairsullivan@yahoo.ca>
Date: Wed, 25 Mar 2015 15:57:38 -0700
Subject: attempt to load paths to test modules in cover modules to generate
 line by line coverage reports

---
 src/rebar_prv_cover.erl | 30 ++++++++++++++++++++----------
 1 file changed, 20 insertions(+), 10 deletions(-)

(limited to 'src')

diff --git a/src/rebar_prv_cover.erl b/src/rebar_prv_cover.erl
index 45d5b81..13c12d1 100644
--- a/src/rebar_prv_cover.erl
+++ b/src/rebar_prv_cover.erl
@@ -14,7 +14,7 @@
 -include("rebar.hrl").
 
 -define(PROVIDER, cover).
--define(DEPS, []).
+-define(DEPS, [app_discovery]).
 
 %% ===================================================================
 %% Public API
@@ -136,14 +136,25 @@ import(CoverData) ->
     end.
 
 analysis(State, Task) ->
+    OldPath = code:get_path(),
+    ok = restore_cover_paths(State),
     Mods = cover:imported_modules(),
-    lists:map(
-        fun(Mod) ->
-            {ok, Answer} = cover:analyze(Mod, coverage, line),
-            {ok, File} = analyze_to_file(Mod, State, Task),
-            {Mod, process(Answer), File}
-        end,
-        Mods).
+    Analysis = lists:map(fun(Mod) ->
+                  {ok, Answer} = cover:analyze(Mod, coverage, line),
+                  {ok, File} = analyze_to_file(Mod, State, Task),
+                  {Mod, process(Answer), File}
+              end,
+              Mods),
+    true = code:set_path(OldPath),
+    Analysis.
+
+restore_cover_paths(State) ->
+    lists:foreach(fun(App) ->
+        AppDir = rebar_app_info:out_dir(App),
+        _ = code:add_path(filename:join([AppDir, "ebin"]))
+    end, rebar_state:project_apps(State)),
+    _ = code:add_path(filename:join([rebar_dir:base_dir(State), "ebin"])),
+    ok.
 
 analyze_to_file(Mod, State, Task) ->
     CoverDir = cover_dir(State),
@@ -320,8 +331,7 @@ write_coverdata(State, Task) ->
     ExportFile = filename:join([DataDir, atom_to_list(Task) ++ ".coverdata"]),
     case cover:export(ExportFile) of
         ok ->
-            ?DEBUG("Cover data written to ~p.", [ExportFile]),
-            ok;
+            ?DEBUG("Cover data written to ~p.", [ExportFile]);
         {error, Reason} ->
             ?WARN("Cover data export failed: ~p", [Reason])
     end.
-- 
cgit v1.1