Further output improvements

lib/mix_tasks.ex

@@ -131,16 +131,12 @@ defmodule Mix.Tasks.Aoc do
       p2 = mod.part2(parsed)
 
       result = fn (part, got, expected) ->
-        if expected do
+        cond do
-          if stringify(got) != expected do
+          stringify(got) == expected ->
-            IO.puts(IO.ANSI.format [:red, "Test #{test}.#{part} failed: expected #{expected}"])
+            IO.puts(IO.ANSI.format [:green, "Test #{test}.#{part} succeeded (#{expected})"])
-            dbg(got)
+          expected ->
-          else
+            IO.puts(IO.ANSI.format [:red, "Test #{test}.#{part} failed: expected #{expected}, got #{stringify(got)}"])
-            IO.puts(IO.ANSI.format [:green, "Test #{test}.#{part} succeeded"])
+          true ->  IO.puts("Test #{test}.#{part}: #{stringify(got)}")
-          end
-        else
-          IO.puts("Test #{test}.#{part}:")
-          dbg(got)
         end
       end