DEBUG=1 ./rebar3 do eunit -cv, cover -v

gistfile1.txt

===> cover compiling "/Users/lpgauth/Git/rtb-gateway/_build/test/lib/rtb_gateway/ebin"
===> Cover compilation for directory "/Users/lpgauth/Git/rtb-gateway/_build/test/lib/rtb_gateway/ebin" failed: function_clause
===> cover compiling "/Users/lpgauth/Git/rtb-gateway/_build/test/lib/rtb_gateway/test"

=ERROR REPORT==== 5-Nov-2015::11:58:46 ===
Error in process <0.979.0> with exit value:
{function_clause,[{cover,find_main_filename,
                         [[]],
                         [{file,"cover.erl"},{line,1612}]},
                  {cover,transform,2,[{file,"cover.erl"},{line,1605}]},
                  {cover,do_compile_beam1,3,[{file,"cover.erl"},{line,1540}]},
                  {cover,do_compile_beam,3,[{file,"cover.erl"},{line,1472}]},
                  {lists,map,2,[{file,"lists.erl"},{line,1238}]},
                  {cover,'-pmap_spawn/4-fun-0-',2,
                         [{file,"cover.erl"},{line,2721}]}]}