adds #enabled? to Setting

spec/models/setting_spec.rb

@@ -28,4 +28,30 @@ describe Setting do
       expect(setting.feature_flag?).to eq false
     end
   end
+
+  describe "#enabled?" do
+    it "should be true if feature_flag and value present" do
+      setting = Setting.create(key: 'feature.whatever', value: 1)
+      expect(setting.enabled?).to eq true
+
+      setting.value = "true"
+      expect(setting.enabled?).to eq true
+
+      setting.value = "whatever"
+      expect(setting.enabled?).to eq true
+    end
+
+    it "should be false if feature_flag and value blank" do
+      setting = Setting.create(key: 'feature.whatever')
+      expect(setting.enabled?).to eq false
+
+      setting.value = ""
+      expect(setting.enabled?).to eq false
+    end
+
+    it "should be false if not feature_flag" do
+      setting = Setting.create(key: 'whatever', value: "whatever")
+      expect(setting.enabled?).to eq false
+    end
+  end
 end