Refactor authorizations controller destroy action

app/controllers/api/openid_connect/authorizations_controller.rb

@@ -18,11 +18,11 @@ module Api
       end
 
       def destroy
-        # TODO: Specs
+        authorization = Api::OpenidConnect::Authorization.find_by(id: params[:id])
-        begin
+        if authorization
-          Api::OpenidConnect::Authorization.find_by(id: params[:id]).destroy
+          authorization.destroy
-        rescue
+        else
-          logger.error "Error while trying revoke inexistant authorization #{params[:id]}"
+          raise ArgumentError, "Error while trying revoke non-existent authorization with ID #{params[:id]}"
         end
         redirect_to user_applications_url
       end

spec/controllers/api/openid_connect/authorizations_controller_spec.rb

@@ -3,6 +3,7 @@ require "spec_helper"
 describe Api::OpenidConnect::AuthorizationsController, type: :controller do
   let!(:client) { FactoryGirl.create(:o_auth_application) }
   let!(:client_with_multiple_redirects) { FactoryGirl.create(:o_auth_application_with_multiple_redirects) }
+  let!(:auth_with_read) { FactoryGirl.create(:auth_with_read) }
 
   before do
     sign_in :user, alice
@@ -218,4 +219,22 @@ describe Api::OpenidConnect::AuthorizationsController, type: :controller do
       end
     end
   end
+
+  describe "#destroy" do
+    context "with existent authorization" do
+      before do
+        delete :destroy, id: auth_with_read.id
+      end
+
+      it "removes the authorization" do
+        expect(Api::OpenidConnect::Authorization.find_by(id: auth_with_read.id)).to be_nil
+      end
+    end
+
+    context "with non-existent authorization" do
+      it "raises an error" do
+        expect{ delete :destroy, id: 123456789 }.to raise_error(ArgumentError)
+      end
+    end
+  end
 end