Add test

test/fixtures/cards.yml

@@ -27,6 +27,7 @@ text:
   created_at: <%= 1.week.ago %>
   status: published
   last_active_at: <%= Time.current %>
+  stage: qa_in_progress
 
 shipping:
   collection: writebook

test/models/card/colored_test.rb

@@ -0,0 +1,16 @@
+require "test_helper"
+
+class Card::ColoredTest < ActiveSupport::TestCase
+  test "use default color no stage" do
+    assert_equal Colorable::DEFAULT_COLOR, cards(:logo).color
+  end
+
+  test "use default color not in doing stage" do
+    assert_equal Colorable::DEFAULT_COLOR, cards(:text).color
+  end
+
+  test "infer color from stage when in doing stage" do
+    cards(:text).engage
+    assert_equal cards(:text).stage.color, cards(:text).color
+  end
+end