Add ProjectMetricsDashboardSetting model and table

This new table will be used to store the external_dashboard_url which
allows users to add a link to their external dashboards (ex Grafana)
to the Metrics dashboard.

1 files changed, 55 insertions, 0 deletions

diff --git a/spec/models/project_metrics_setting_spec.rb b/spec/models/project_metrics_setting_spec.rb
new file mode 100644
index 00000000000..7df01625ba1
--- /dev/null
+++ b/spec/models/project_metrics_setting_spec.rb
@@ -0,0 +1,55 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+describe ProjectMetricsSetting do
+  describe 'Associations' do
+    it { is_expected.to belong_to(:project) }
+  end
+
+  describe 'Validations' do
+    context 'when external_dashboard_url is over 255 chars' do
+      before do
+        subject.external_dashboard_url = 'https://' + 'a' * 250
+      end
+
+      it 'fails validation' do
+        expect(subject).not_to be_valid
+        expect(subject.errors.messages[:external_dashboard_url])
+          .to include('is too long (maximum is 255 characters)')
+      end
+    end
+
+    context 'with unsafe url' do
+      before do
+        subject.external_dashboard_url = %{https://replaceme.com/'><script>alert(document.cookie)</script>}
+      end
+
+      it { is_expected.to be_invalid }
+    end
+
+    context 'non ascii chars in external_dashboard_url' do
+      before do
+        subject.external_dashboard_url = 'http://gitlab.com/api/0/projects/project1/something€'
+      end
+
+      it { is_expected.to be_invalid }
+    end
+
+    context 'internal url in external_dashboard_url' do
+      before do
+        subject.external_dashboard_url = 'http://192.168.1.1'
+      end
+
+      it { is_expected.to be_valid }
+    end
+
+    context 'external_dashboard_url is blank' do
+      before do
+        subject.external_dashboard_url = ''
+      end
+
+      it { is_expected.to be_invalid }
+    end
+  end
+end