1 files changed, 59 insertions, 0 deletions
diff --git a/spec/services/metrics/dashboard/cluster_dashboard_service_spec.rb b/spec/services/metrics/dashboard/cluster_dashboard_service_spec.rb
new file mode 100644
index 00000000000..f2e32d5eb35
--- /dev/null
+++ b/spec/services/metrics/dashboard/cluster_dashboard_service_spec.rb
@@ -0,0 +1,59 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe Metrics::Dashboard::ClusterDashboardService, :use_clean_rails_memory_store_caching do
+  include MetricsDashboardHelpers
+
+  let_it_be(:user) { create(:user) }
+  let_it_be(:cluster_project) { create(:cluster_project) }
+  let_it_be(:cluster) { cluster_project.cluster }
+  let_it_be(:project) { cluster_project.project }
+
+  before do
+    project.add_maintainer(user)
+  end
+
+  describe '.valid_params?' do
+    let(:params) { { cluster: cluster, embedded: 'false' } }
+
+    subject { described_class.valid_params?(params) }
+
+    it { is_expected.to be_truthy }
+
+    context 'with matching dashboard_path' do
+      let(:params) { { dashboard_path: ::Metrics::Dashboard::ClusterDashboardService::DASHBOARD_PATH } }
+
+      it { is_expected.to be_truthy }
+    end
+
+    context 'missing cluster without dashboard_path' do
+      let(:params) { {} }
+
+      it { is_expected.to be_falsey }
+    end
+  end
+
+  describe '#get_dashboard' do
+    let(:service_params) { [project, user, { cluster: cluster, cluster_type: :project }] }
+    let(:service_call) { subject.get_dashboard }
+
+    subject { described_class.new(*service_params) }
+
+    it_behaves_like 'valid dashboard service response'
+    it_behaves_like 'caches the unprocessed dashboard for subsequent calls'
+    it_behaves_like 'refreshes cache when dashboard_version is changed'
+
+    it_behaves_like 'dashboard_version contains SHA256 hash of dashboard file content' do
+      let(:dashboard_path) { described_class::DASHBOARD_PATH }
+      let(:dashboard_version) { subject.send(:dashboard_version) }
+    end
+
+    context 'when called with a non-system dashboard' do
+      let(:dashboard_path) { 'garbage/dashboard/path' }
+
+      # We want to always return the cluster dashboard.
+      it_behaves_like 'valid dashboard service response'
+    end
+  end
+end