Merge branch 'dropdown-load-fix' into 'master'

Dropdown loading time preformance fix

## What does this MR do?
Optimizes the performance of the dropdown load time by just sending the required data to load the dropdown instead of the full object

This MR aims to fix #17474 

See merge request !5113

2 files changed, 13 insertions, 1 deletions

diff --git a/spec/javascripts/project_title_spec.js.coffee b/spec/javascripts/project_title_spec.js.coffee
index f0d26fb5446..0244119fa0e 100644
--- a/spec/javascripts/project_title_spec.js.coffee
+++ b/spec/javascripts/project_title_spec.js.coffee
@@ -22,7 +22,7 @@ describe 'Project Title', ->
       @projects_data = fixture.load('projects.json')[0]
 
       spyOn(jQuery, 'ajax').and.callFake (req) =>
-        expect(req.url).toBe('/api/v3/projects.json')
+        expect(req.url).toBe('/api/v3/projects.json?simple=true')
         d = $.Deferred()
         d.resolve @projects_data
         d.promise()
diff --git a/spec/requests/api/projects_spec.rb b/spec/requests/api/projects_spec.rb
index 8a52725a893..152cd802839 100644
--- a/spec/requests/api/projects_spec.rb
+++ b/spec/requests/api/projects_spec.rb
@@ -81,6 +81,18 @@ describe API::API, api: true  do
         expect(json_response.first.keys).not_to include('open_issues_count')
       end
 
+      context 'GET /projects?simple=true' do
+        it 'returns a simplified version of all the projects' do
+          expected_keys = ["id", "http_url_to_repo", "web_url", "name", "name_with_namespace", "path", "path_with_namespace"]
+
+          get api('/projects?simple=true', user)
+
+          expect(response).to have_http_status(200)
+          expect(json_response).to be_an Array
+          expect(json_response.first.keys).to match_array expected_keys
+        end
+      end
+
       context 'and using search' do
         it 'should return searched project' do
           get api('/projects', user), { search: project.name }