Add get_env unit test

rebar.config

@@ -40,9 +40,12 @@
 
 {eunit_opts, [verbose]}.
 {eunit_compile_opts, [
+    export_all,
+
     nowarn_untyped_record,
     nowarn_export_all
 ]}.
+
 {deps, [
     {goldrush, ".*", {git, "git://github.com/DeadZen/goldrush.git", {tag, "0.1.8"}}}
 ]}.
@@ -53,4 +56,3 @@
 {cover_enabled, true}.
 {edoc_opts, [{stylesheet_file, "./priv/edoc.css"}]}.
 
-{eunit_opts, [verbose]}.

test/lager_app_tests.erl

@@ -0,0 +1,22 @@
+-module(lager_app_tests).
+
+-compile([{parse_transform, lager_transform}]).
+
+-include_lib("eunit/include/eunit.hrl").
+
+
+get_env_default_test() ->
+    ?assertEqual(<<"Some">>,  lager_app:get_env_default(undefined,         <<"Some">>)),
+    ?assertEqual(<<"Value">>, lager_app:get_env_default({ok, <<"Value">>}, <<"Some">>)),
+    ok.
+
+get_env_test() ->
+    application:set_env(myapp, mykey1, <<"Value">>),
+
+    ?assertEqual(<<"Some">>,  lager_app:get_env(myapp, mykey0, <<"Some">>)),
+    ?assertEqual(<<"Value">>, lager_app:get_env(myapp, mykey1, <<"Some">>)),
+
+    ?assertEqual(undefined,   lager_app:get_env(myapp, mykey0)),
+    ?assertEqual(<<"Value">>, lager_app:get_env(myapp, mykey1)),
+    ok.
+