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diff --git a/spec/frontend/vue_shared/components/icon_spec.js b/spec/frontend/vue_shared/components/icon_spec.js
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+++ b/spec/frontend/vue_shared/components/icon_spec.js
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+import Vue from 'vue';
+import { mount } from '@vue/test-utils';
+import mountComponent from 'helpers/vue_mount_component_helper';
+import Icon from '~/vue_shared/components/icon.vue';
+import iconsPath from '@gitlab/svgs/dist/icons.svg';
+
+jest.mock('@gitlab/svgs/dist/icons.svg', () => 'testing');
+
+describe('Sprite Icon Component', () => {
+  describe('Initialization', () => {
+    let icon;
+
+    beforeEach(() => {
+      const IconComponent = Vue.extend(Icon);
+
+      icon = mountComponent(IconComponent, {
+        name: 'commit',
+        size: 32,
+      });
+    });
+
+    afterEach(() => {
+      icon.$destroy();
+    });
+
+    it('should return a defined Vue component', () => {
+      expect(icon).toBeDefined();
+    });
+
+    it('should have <svg> as a child element', () => {
+      expect(icon.$el.tagName).toBe('svg');
+    });
+
+    it('should have <use> as a child element with the correct href', () => {
+      expect(icon.$el.firstChild.tagName).toBe('use');
+      expect(icon.$el.firstChild.getAttribute('xlink:href')).toBe(`${iconsPath}#commit`);
+    });
+
+    it('should properly compute iconSizeClass', () => {
+      expect(icon.iconSizeClass).toBe('s32');
+    });
+
+    it('forbids invalid size prop', () => {
+      expect(icon.$options.props.size.validator(NaN)).toBeFalsy();
+      expect(icon.$options.props.size.validator(0)).toBeFalsy();
+      expect(icon.$options.props.size.validator(9001)).toBeFalsy();
+    });
+
+    it('should properly render img css', () => {
+      const { classList } = icon.$el;
+      const containsSizeClass = classList.contains('s32');
+
+      expect(containsSizeClass).toBe(true);
+    });
+
+    it('`name` validator should return false for non existing icons', () => {
+      jest.spyOn(console, 'warn').mockImplementation();
+
+      expect(Icon.props.name.validator('non_existing_icon_sprite')).toBe(false);
+    });
+
+    it('`name` validator should return true for existing icons', () => {
+      expect(Icon.props.name.validator('commit')).toBe(true);
+    });
+  });
+
+  it('should call registered listeners when they are triggered', () => {
+    const clickHandler = jest.fn();
+    const wrapper = mount(Icon, {
+      propsData: { name: 'commit' },
+      listeners: { click: clickHandler },
+    });
+
+    wrapper.find('svg').trigger('click');
+
+    expect(clickHandler).toHaveBeenCalled();
+  });
+});