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diff --git a/spec/frontend/analytics/shared/components/metric_card_spec.js b/spec/frontend/analytics/shared/components/metric_card_spec.js
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+import { mount } from '@vue/test-utils';
+import { GlDeprecatedSkeletonLoading as GlSkeletonLoading } from '@gitlab/ui';
+import { createMockDirective, getBinding } from 'helpers/vue_mock_directive';
+import MetricCard from '~/analytics/shared/components/metric_card.vue';
+
+const metrics = [
+ { key: 'first_metric', value: 10, label: 'First metric', unit: 'days', link: 'some_link' },
+ { key: 'second_metric', value: 20, label: 'Yet another metric' },
+ { key: 'third_metric', value: null, label: 'Null metric without value', unit: 'parsecs' },
+ { key: 'fourth_metric', value: '-', label: 'Metric without value', unit: 'parsecs' },
+];
+
+const defaultProps = {
+ title: 'My fancy title',
+ isLoading: false,
+ metrics,
+};
+
+describe('MetricCard', () => {
+ let wrapper;
+
+ const factory = (props = defaultProps) => {
+ wrapper = mount(MetricCard, {
+ propsData: {
+ ...defaultProps,
+ ...props,
+ },
+ directives: {
+ GlTooltip: createMockDirective(),
+ },
+ });
+ };
+
+ afterEach(() => {
+ wrapper.destroy();
+ });
+
+ const findTitle = () => wrapper.find({ ref: 'title' });
+ const findLoadingIndicator = () => wrapper.find(GlSkeletonLoading);
+ const findMetricsWrapper = () => wrapper.find({ ref: 'metricsWrapper' });
+ const findMetricItem = () => wrapper.findAll({ ref: 'metricItem' });
+ const findTooltip = () => wrapper.find('[data-testid="tooltip"]');
+
+ describe('template', () => {
+ it('renders the title', () => {
+ factory();
+
+ expect(findTitle().text()).toContain('My fancy title');
+ });
+
+ describe('when isLoading is true', () => {
+ beforeEach(() => {
+ factory({ isLoading: true });
+ });
+
+ it('displays a loading indicator', () => {
+ expect(findLoadingIndicator().exists()).toBe(true);
+ });
+
+ it('does not display the metrics container', () => {
+ expect(findMetricsWrapper().exists()).toBe(false);
+ });
+ });
+
+ describe('when isLoading is false', () => {
+ beforeEach(() => {
+ factory({ isLoading: false });
+ });
+
+ it('does not display a loading indicator', () => {
+ expect(findLoadingIndicator().exists()).toBe(false);
+ });
+
+ it('displays the metrics container', () => {
+ expect(findMetricsWrapper().exists()).toBe(true);
+ });
+
+ it('renders two metrics', () => {
+ expect(findMetricItem()).toHaveLength(metrics.length);
+ });
+
+ describe('with tooltip text', () => {
+ const tooltipText = 'This is a tooltip';
+ const tooltipMetric = {
+ key: 'fifth_metric',
+ value: '-',
+ label: 'Metric with tooltip',
+ unit: 'parsecs',
+ tooltipText,
+ };
+
+ beforeEach(() => {
+ factory({
+ isLoading: false,
+ metrics: [tooltipMetric],
+ });
+ });
+
+ it('will render a tooltip', () => {
+ const tt = getBinding(findTooltip().element, 'gl-tooltip');
+ expect(tt.value.title).toEqual(tooltipText);
+ });
+ });
+
+ describe.each`
+ columnIndex | label | value | unit | link
+ ${0} | ${'First metric'} | ${10} | ${' days'} | ${'some_link'}
+ ${1} | ${'Yet another metric'} | ${20} | ${''} | ${null}
+ ${2} | ${'Null metric without value'} | ${'-'} | ${''} | ${null}
+ ${3} | ${'Metric without value'} | ${'-'} | ${''} | ${null}
+ `('metric columns', ({ columnIndex, label, value, unit, link }) => {
+ it(`renders ${value}${unit} ${label} with URL ${link}`, () => {
+ const allMetricItems = findMetricItem();
+ const metricItem = allMetricItems.at(columnIndex);
+ const text = metricItem.text();
+
+ expect(text).toContain(`${value}${unit}`);
+ expect(text).toContain(label);
+
+ if (link) {
+ expect(metricItem.find('a').attributes('href')).toBe(link);
+ } else {
+ expect(metricItem.find('a').exists()).toBe(false);
+ }
+ });
+ });
+ });
+ });
+});