1 files changed, 72 insertions, 0 deletions
diff --git a/spec/services/metrics/dashboard/cluster_metrics_embed_service_spec.rb b/spec/services/metrics/dashboard/cluster_metrics_embed_service_spec.rb
new file mode 100644
index 00000000000..e80911d6265
--- /dev/null
+++ b/spec/services/metrics/dashboard/cluster_metrics_embed_service_spec.rb
@@ -0,0 +1,72 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe Metrics::Dashboard::ClusterMetricsEmbedService, :use_clean_rails_memory_store_caching do
+  include MetricsDashboardHelpers
+  using RSpec::Parameterized::TableSyntax
+
+  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(:valid_params) { { cluster: 1, embedded: 'true', group: 'hello', title: 'world', y_label: 'countries' } }
+
+    subject { described_class }
+
+    it { expect(subject.valid_params?(valid_params)).to be_truthy }
+
+    context 'missing all params' do
+      let(:params) { {} }
+
+      it { expect(subject.valid_params?(params)).to be_falsy }
+    end
+
+    [:cluster, :embedded, :group, :title, :y_label].each do |param_key|
+      it 'returns false with missing param' do
+        params = valid_params.except(param_key)
+
+        expect(subject.valid_params?(params)).to be_falsy
+      end
+    end
+  end
+
+  describe '#get_dashboard' do
+    let(:service_params) do
+      [
+        project,
+        user,
+        {
+          cluster: cluster,
+          cluster_type: :project,
+          embedded: 'true',
+          group: 'Cluster Health',
+          title: 'CPU Usage',
+          y_label: 'CPU (cores)'
+        }
+      ]
+    end
+    let(:service_call) { described_class.new(*service_params).get_dashboard }
+    let(:panel_groups) { service_call[:dashboard][:panel_groups] }
+    let(:panel) { panel_groups.first[:panels].first }
+
+    it_behaves_like 'valid embedded dashboard service response'
+    it_behaves_like 'caches the unprocessed dashboard for subsequent calls'
+
+    it 'returns one panel' do
+      expect(panel_groups.size).to eq 1
+      expect(panel_groups.first[:panels].size).to eq 1
+    end
+
+    it 'returns panel by title and y_label' do
+      expect(panel[:title]).to eq(service_params.last[:title])
+      expect(panel[:y_label]).to eq(service_params.last[:y_label])
+    end
+  end
+end