Refactor Tracker get/0 and summarize/0

lib/display.ex

@@ -23,7 +23,7 @@ defmodule Display do
 
   def show_failure(failure, module, name) do
     IO.puts("Now meditate upon #{format_module(module)}")
-    IO.puts(progress_bar(Tracker.get))
+    IO.puts(progress_bar(Tracker.summarize))
     IO.puts(bar())
     IO.puts(name)
     IO.puts(format_failure(failure))

lib/tracker.ex

@@ -10,7 +10,6 @@ defmodule Tracker do
 
   def get do
     Agent.get(__MODULE__, &(&1))
-    |> summarize
   end
 
   def completed(koan) do
@@ -20,11 +19,12 @@ defmodule Tracker do
   end
 
   def complete? do
-    {total, completed} = Agent.get(__MODULE__, &(&1))
+    {total, completed} = get
     total == Enum.count(completed)
   end
 
-  def summarize({total, completed}) do
+  def summarize, do: get |> summarize
+  defp summarize({total, completed}) do
     %{total: total, current: MapSet.size(completed)}
   end
 end

test/tracker_test.exs

@@ -5,19 +5,19 @@ defmodule TrackerTest do
 
   test "can start" do
     Tracker.start(@sample_modules)
-    assert Tracker.get == %{total: 2, current: 0}
+    assert Tracker.summarize == %{total: 2, current: 0}
   end
 
   test "can be notified of completed koans" do
     Tracker.start(@sample_modules)
     Tracker.completed(:"Hi there")
-    assert Tracker.get == %{total: 2, current: 1}
+    assert Tracker.summarize == %{total: 2, current: 1}
   end
 
   test "multiple comletions of the same koan count only once" do
     Tracker.start(@sample_modules)
     Tracker.completed(:"Hi there")
     Tracker.completed(:"Hi there")
-    assert Tracker.get == %{total: 2, current: 1}
+    assert Tracker.summarize == %{total: 2, current: 1}
   end
 end