1 files changed, 71 insertions, 0 deletions
diff --git a/spec/controllers/projects/issue_links_controller_spec.rb b/spec/controllers/projects/issue_links_controller_spec.rb
new file mode 100644
index 00000000000..bce109b7c79
--- /dev/null
+++ b/spec/controllers/projects/issue_links_controller_spec.rb
@@ -0,0 +1,71 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe Projects::IssueLinksController do
+  let_it_be(:namespace) { create(:group, :public) }
+  let_it_be(:project)   { create(:project, :public, namespace: namespace) }
+  let_it_be(:user) { create(:user) }
+  let_it_be(:issue1) { create(:issue, project: project) }
+  let_it_be(:issue2) { create(:issue, project: project) }
+
+  describe 'GET #index' do
+    let_it_be(:issue_link) { create(:issue_link, source: issue1, target: issue2, link_type: 'relates_to') }
+
+    def get_link(user, issue)
+      sign_in(user)
+
+      params = {
+        namespace_id: issue.project.namespace.to_param,
+        project_id: issue.project,
+        issue_id: issue.iid
+      }
+
+      get :index, params: params, as: :json
+    end
+
+    before do
+      project.add_developer(user)
+    end
+
+    it 'returns success response' do
+      get_link(user, issue1)
+
+      expect(response).to have_gitlab_http_status(:ok)
+
+      link = json_response.first
+      expect(link['id']).to eq(issue2.id)
+      expect(link['link_type']).to eq('relates_to')
+    end
+  end
+
+  describe 'POST #create' do
+    def create_link(user, issue, target)
+      sign_in(user)
+
+      post_params = {
+        namespace_id: issue.project.namespace.to_param,
+        project_id: issue.project,
+        issue_id: issue.iid,
+        issuable_references: [target.to_reference],
+        link_type: 'relates_to'
+      }
+
+      post :create, params: post_params, as: :json
+    end
+
+    before do
+      project.add_developer(user)
+    end
+
+    it 'returns success response' do
+      create_link(user, issue1, issue2)
+
+      expect(response).to have_gitlab_http_status(:ok)
+
+      link = json_response['issuables'].first
+      expect(link['id']).to eq(issue2.id)
+      expect(link['link_type']).to eq('relates_to')
+    end
+  end
+end