1 files changed, 60 insertions, 0 deletions
diff --git a/spec/requests/projects/incident_management/timeline_events_spec.rb b/spec/requests/projects/incident_management/timeline_events_spec.rb
new file mode 100644
index 00000000000..f7dead4834d
--- /dev/null
+++ b/spec/requests/projects/incident_management/timeline_events_spec.rb
@@ -0,0 +1,60 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe 'Timeline Events' do
+  let_it_be(:project) { create(:project) }
+  let_it_be(:user) { create(:user) }
+  let_it_be(:incident) { create(:incident, project: project) }
+
+  describe 'POST /preview_markdown' do
+    let(:timeline_text) { "timeline text with image ![img](img/src.png) and reference #{incident.to_reference}" }
+
+    context 'when authorized' do
+      let(:expected_img) do
+        '<a class="with-attachment-icon" href="img/src.png" target="_blank" rel="noopener noreferrer">img</a>'
+      end
+
+      let(:expected_reference) do
+        %(<a href="/#{project.full_path}/-/issues/#{incident.iid}" data-reference-type="issue" ) +
+          %(data-original="##{incident.iid}" data-link="false" data-link-reference="false" ) +
+          %(data-project="#{project.id}" data-issue="#{incident.id}" data-project-path="#{project.full_path}" ) +
+          %(data-iid="#{incident.iid}" data-issue-type="incident" data-container="body" data-placement="top" ) +
+          %(title="#{incident.title}" class="gfm gfm-issue">##{incident.iid}</a>)
+      end
+
+      let(:expected_body) do
+        "<p>timeline text with image #{expected_img} and reference #{expected_reference}</p>"
+      end
+
+      before do
+        project.add_developer(user)
+        login_as(user)
+      end
+
+      it 'renders JSON in a correct format' do
+        post preview_markdown_project_incident_management_timeline_events_path(project, format: :json),
+             params: { text: timeline_text }
+
+        expect(response).to have_gitlab_http_status(:ok)
+        expect(json_response).to eq({
+          body: expected_body,
+          references: {
+            commands: '',
+            suggestions: [],
+            users: []
+          }
+        }.as_json)
+      end
+    end
+
+    context 'when not authorized' do
+      it 'returns 302' do
+        post preview_markdown_project_incident_management_timeline_events_path(project, format: :json),
+             params: { text: timeline_text }
+
+        expect(response).to have_gitlab_http_status(:found)
+      end
+    end
+  end
+end