diff --git a/spec/models/photo_spec.rb b/spec/models/photo_spec.rb
new file mode 100644
index 0000000..c829337
--- /dev/null
+++ b/spec/models/photo_spec.rb
@@ -0,0 +1,11 @@
+require 'spec_helper'
+
+describe Photo do
+  it { should have_and_belong_to_many(:categories) }
+
+  let(:photo) { create(:photo) }
+
+  it "logs a view" do
+    expect { photo.log_view }.to change{photo.views}.by(1)
+  end
+end