Add tests and improve logic

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>

lib/api/settings.rb

@@ -4,7 +4,8 @@ module API
 
     helpers do
       def current_settings
-        @current_setting ||= ApplicationSetting.current
+        @current_setting ||=
+          (ApplicationSetting.current || ApplicationSetting.create_from_defaults)
       end
     end
 

spec/requests/api/settings_spec.rb

@@ -7,11 +7,23 @@ describe API::API, 'Settings', api: true  do
   let(:admin) { create(:admin) }
 
 
-  describe "GET /applicaiton/settings" do
-    # TODO: Implement
+  describe "GET /application/settings" do
+    it "should return application settings" do
+      get api("/application/settings", admin)
+      expect(response.status).to eq(200)
+      expect(json_response).to be_an Hash
+      expect(json_response['default_projects_limit']).to eq(42)
+      expect(json_response['signin_enabled']).to be_truthy
+    end
   end
 
-  describe "PUT /applicaiton/settings" do
-    # TODO: Implement
+  describe "PUT /application/settings" do
+    it "should update application settings" do
+      put api("/application/settings", admin),
+        default_projects_limit: 3, signin_enabled: false
+      expect(response.status).to eq(200)
+      expect(json_response['default_projects_limit']).to eq(3)
+      expect(json_response['signin_enabled']).to be_falsey
+    end
   end
 end