diff --git a/test/juggler_test.exs b/test/juggler_test.exs
index 1b718e6..920c06a 100644
--- a/test/juggler_test.exs
+++ b/test/juggler_test.exs
@@ -2,7 +2,22 @@ defmodule JugglerTest do
   use ExUnit.Case
   doctest Juggler
 
+  @tmp_path Path.expand("../tmp", __DIR__)
+
+  setup do
+    File.mkdir_p!(@tmp_path)
+    on_exit(fn -> File.rm_rf(@tmp_path) end)
+    :ok
+  end
+
   test "greets the world" do
-    assert Juggler.hello() == :world
+    File.cd!(
+      @tmp_path,
+      fn ->
+        refute File.exists?("juggles.exs")
+        assert Juggler.init() == :ok
+        assert File.exists?("juggles.exs")
+      end
+    )
   end
 end