1 files changed, 31 insertions, 0 deletions
diff --git a/spec/frontend/monitoring/components/charts/single_stat_spec.js b/spec/frontend/monitoring/components/charts/single_stat_spec.js
new file mode 100644
index 00000000000..78bcc400787
--- /dev/null
+++ b/spec/frontend/monitoring/components/charts/single_stat_spec.js
@@ -0,0 +1,31 @@
+import { shallowMount, createLocalVue } from '@vue/test-utils';
+import SingleStatChart from '~/monitoring/components/charts/single_stat.vue';
+import { graphDataPrometheusQuery } from '../../mock_data';
+
+const localVue = createLocalVue();
+
+describe('Single Stat Chart component', () => {
+  let singleStatChart;
+
+  beforeEach(() => {
+    singleStatChart = shallowMount(localVue.extend(SingleStatChart), {
+      propsData: {
+        graphData: graphDataPrometheusQuery,
+      },
+      sync: false,
+      localVue,
+    });
+  });
+
+  afterEach(() => {
+    singleStatChart.destroy();
+  });
+
+  describe('computed', () => {
+    describe('engineeringNotation', () => {
+      it('should interpolate the value and unit props', () => {
+        expect(singleStatChart.vm.engineeringNotation).toBe('91MB');
+      });
+    });
+  });
+});