Merge branch 'fix-import-redirect-loop' into 'master'

Fix import redirect loop

Fixes #11864 

See merge request !2606

app/controllers/projects/imports_controller.rb

 class Projects::ImportsController < Projects::ApplicationController
   # Authorize
   before_action :authorize_admin_project!
-  before_action :require_no_repo, except: :show
-  before_action :redirect_if_progress, except: :show
+  before_action :require_no_repo, only: [:new, :create]
+  before_action :redirect_if_progress, only: [:new, :create]
 
   def new
   end
@@ -24,11 +24,11 @@ class Projects::ImportsController < Projects::ApplicationController
   end
 
   def show
-    if @project.repository_exists? || @project.import_finished?
+    if @project.import_finished?
       if continue_params
         redirect_to continue_params[:to], notice: continue_params[:notice]
       else
-        redirect_to project_path(@project), notice: "The project was successfully forked."
+        redirect_to namespace_project_path(@project.namespace, @project), notice: finished_notice
       end
     elsif @project.import_failed?
       redirect_to new_namespace_project_import_path(@project.namespace, @project)
@@ -36,6 +36,7 @@ class Projects::ImportsController < Projects::ApplicationController
       if continue_params && continue_params[:notice_now]
         flash.now[:notice] = continue_params[:notice_now]
       end
+
       # Render
     end
   end
@@ -44,6 +45,7 @@ class Projects::ImportsController < Projects::ApplicationController
 
   def continue_params
     continue_params = params[:continue]
+
     if continue_params
       continue_params.permit(:to, :notice, :notice_now)
     else
@@ -51,8 +53,16 @@ class Projects::ImportsController < Projects::ApplicationController
     end
   end
 
+  def finished_notice
+    if @project.forked?
+      'The project was successfully forked.'
+    else
+      'The project was successfully imported.'
+    end
+  end
+
   def require_no_repo
-    if @project.repository_exists? && !@project.import_in_progress?
+    if @project.repository_exists?
       redirect_to(namespace_project_path(@project.namespace, @project))
     end
   end

spec/controllers/projects/imports_controller_spec.rb

+require 'spec_helper'
+
+describe Projects::ImportsController do
+  let(:user) { create(:user) }
+
+  describe 'GET #show' do
+    context 'when repository does not exists' do
+      let(:project) { create(:empty_project) }
+
+      before do
+        sign_in(user)
+        project.team << [user, :master]
+      end
+
+      it 'renders template' do
+        get :show, namespace_id: project.namespace.to_param, project_id: project.to_param
+
+        expect(response).to render_template :show
+      end
+
+      it 'sets flash.now if params is present' do
+        get :show, namespace_id: project.namespace.to_param, project_id: project.to_param, continue: { notice_now: 'Started' }
+
+        expect(flash.now[:notice]).to eq 'Started'
+      end
+    end
+
+    context 'when repository exists' do
+      let(:project) { create(:project_empty_repo, import_url: 'https://github.com/vim/vim.git') }
+
+      before do
+        sign_in(user)
+        project.team << [user, :master]
+      end
+
+      context 'when import is in progress' do
+        before do
+          project.update_attribute(:import_status, :started)
+        end
+
+        it 'renders template' do
+          get :show, namespace_id: project.namespace.to_param, project_id: project.to_param
+
+          expect(response).to render_template :show
+        end
+
+        it 'sets flash.now if params is present' do
+          get :show, namespace_id: project.namespace.to_param, project_id: project.to_param, continue: { notice_now: 'In progress' }
+
+          expect(flash.now[:notice]).to eq 'In progress'
+        end
+      end
+
+      context 'when import failed' do
+        before do
+          project.update_attribute(:import_status, :failed)
+        end
+
+        it 'redirects to new_namespace_project_import_path' do
+          get :show, namespace_id: project.namespace.to_param, project_id: project.to_param
+
+          expect(response).to redirect_to new_namespace_project_import_path(project.namespace, project)
+        end
+      end
+
+      context 'when import finished' do
+        before do
+          project.update_attribute(:import_status, :finished)
+        end
+
+        context 'when project is a fork' do
+          it 'redirects to namespace_project_path' do
+            allow_any_instance_of(Project).to receive(:forked?).and_return(true)
+
+            get :show, namespace_id: project.namespace.to_param, project_id: project.to_param
+
+            expect(flash[:notice]).to eq 'The project was successfully forked.'
+            expect(response).to redirect_to namespace_project_path(project.namespace, project)
+          end
+        end
+
+        context 'when project is external' do
+          it 'redirects to namespace_project_path' do
+            get :show, namespace_id: project.namespace.to_param, project_id: project.to_param
+
+            expect(flash[:notice]).to eq 'The project was successfully imported.'
+            expect(response).to redirect_to namespace_project_path(project.namespace, project)
+          end
+        end
+
+        context 'when continue params is present' do
+          let(:params) do
+            {
+              to: namespace_project_path(project.namespace, project),
+              notice: 'Finished'
+            }
+          end
+
+          it 'redirects to params[:to]' do
+            get :show, namespace_id: project.namespace.to_param, project_id: project.to_param, continue: params
+
+            expect(flash[:notice]).to eq params[:notice]
+            expect(response).to redirect_to params[:to]
+          end
+        end
+      end
+    end
+  end
+end