1 files changed, 45 insertions, 0 deletions
diff --git a/spec/models/clusters/applications/prometheus_spec.rb b/spec/models/clusters/applications/prometheus_spec.rb
index ecb87910d2d..ce341e67c14 100644
--- a/spec/models/clusters/applications/prometheus_spec.rb
+++ b/spec/models/clusters/applications/prometheus_spec.rb
@@ -39,6 +39,19 @@ describe Clusters::Applications::Prometheus do
     end
   end
 
+  describe 'transition to updating' do
+    let(:project) { create(:project) }
+    let(:cluster) { create(:cluster, projects: [project]) }
+
+    subject { create(:clusters_applications_prometheus, :installed, cluster: cluster) }
+
+    it 'sets last_update_started_at to now' do
+      Timecop.freeze do
+        expect { subject.make_updating }.to change { subject.reload.last_update_started_at }.to be_within(1.second).of(Time.now)
+      end
+    end
+  end
+
   describe '#can_uninstall?' do
     let(:prometheus) { create(:clusters_applications_prometheus) }
 
@@ -331,6 +344,38 @@ describe Clusters::Applications::Prometheus do
     end
   end
 
+  describe '#updated_since?' do
+    let(:cluster) { create(:cluster) }
+    let(:prometheus_app) { build(:clusters_applications_prometheus, cluster: cluster) }
+    let(:timestamp) { Time.now - 5.minutes }
+
+    around do |example|
+      Timecop.freeze { example.run }
+    end
+
+    before do
+      prometheus_app.last_update_started_at = Time.now
+    end
+
+    context 'when app does not have status failed' do
+      it 'returns true when last update started after the timestamp' do
+        expect(prometheus_app.updated_since?(timestamp)).to be true
+      end
+
+      it 'returns false when last update started before the timestamp' do
+        expect(prometheus_app.updated_since?(Time.now + 5.minutes)).to be false
+      end
+    end
+
+    context 'when app has status failed' do
+      it 'returns false when last update started after the timestamp' do
+        prometheus_app.status = 6
+
+        expect(prometheus_app.updated_since?(timestamp)).to be false
+      end
+    end
+  end
+
   describe 'alert manager token' do
     subject { create(:clusters_applications_prometheus) }