Add single_stat chart component to the monitoring bundle

This merge requests just adds the component without integrating it
to the dashboard, it adds tests as well

1 files changed, 28 insertions, 0 deletions

diff --git a/spec/javascripts/monitoring/charts/single_stat_spec.js b/spec/javascripts/monitoring/charts/single_stat_spec.js
new file mode 100644
index 00000000000..12b73002f97
--- /dev/null
+++ b/spec/javascripts/monitoring/charts/single_stat_spec.js
@@ -0,0 +1,28 @@
+import { shallowMount } from '@vue/test-utils';
+import SingleStatChart from '~/monitoring/components/charts/single_stat.vue';
+
+describe('Single Stat Chart component', () => {
+  let singleStatChart;
+
+  beforeEach(() => {
+    singleStatChart = shallowMount(SingleStatChart, {
+      propsData: {
+        title: 'Time to render',
+        value: 1,
+        unit: 'sec',
+      },
+    });
+  });
+
+  afterEach(() => {
+    singleStatChart.destroy();
+  });
+
+  describe('computed', () => {
+    describe('valueWithUnit', () => {
+      it('should interpolate the value and unit props', () => {
+        expect(singleStatChart.vm.valueWithUnit).toBe('1sec');
+      });
+    });
+  });
+});