bugfix: send 406 if an unexpected format is asked for

It used to run the action and then trigger a 500 because the
template was not found.

fixes !3 .

1 files changed, 16 insertions, 0 deletions

diff --git a/test/functional/home_controller_test.rb b/test/functional/home_controller_test.rb
new file mode 100644
index 0000000..cafaac5
--- /dev/null
+++ b/test/functional/home_controller_test.rb
@@ -0,0 +1,16 @@
+require 'test_helper'
+
+class HomeControllerTest < ActionController::TestCase
+
+  def test_renders_okay
+    get :index
+    assert_response :success
+  end
+
+  def test_other_formats_trigger_406
+    assert_raises ActionController::UnknownFormat do
+      get :index, format: :xml
+    end
+  end
+
+end