1 files changed, 57 insertions, 0 deletions
diff --git a/spec/frontend/packages/details/components/history_element_spec.js b/spec/frontend/packages/details/components/history_element_spec.js
new file mode 100644
index 00000000000..e8746fc93f5
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+++ b/spec/frontend/packages/details/components/history_element_spec.js
@@ -0,0 +1,57 @@
+import { shallowMount } from '@vue/test-utils';
+import { GlIcon } from '@gitlab/ui';
+import component from '~/packages/details/components/history_element.vue';
+import TimelineEntryItem from '~/vue_shared/components/notes/timeline_entry_item.vue';
+
+describe('History Element', () => {
+  let wrapper;
+  const defaultProps = {
+    icon: 'pencil',
+  };
+
+  const mountComponent = () => {
+    wrapper = shallowMount(component, {
+      propsData: { ...defaultProps },
+      stubs: {
+        TimelineEntryItem,
+      },
+      slots: {
+        default: '<div data-testid="default-slot"></div>',
+      },
+    });
+  };
+
+  afterEach(() => {
+    wrapper.destroy();
+    wrapper = null;
+  });
+
+  const findTimelineEntry = () => wrapper.find(TimelineEntryItem);
+  const findGlIcon = () => wrapper.find(GlIcon);
+  const findDefaultSlot = () => wrapper.find('[data-testid="default-slot"]');
+
+  it('renders the correct markup', () => {
+    mountComponent();
+
+    expect(wrapper.element).toMatchSnapshot();
+  });
+
+  it('has a default slot', () => {
+    mountComponent();
+
+    expect(findDefaultSlot().exists()).toBe(true);
+  });
+  it('has a timeline entry', () => {
+    mountComponent();
+
+    expect(findTimelineEntry().exists()).toBe(true);
+  });
+  it('has an icon', () => {
+    mountComponent();
+
+    const icon = findGlIcon();
+
+    expect(icon.exists()).toBe(true);
+    expect(icon.attributes('name')).toBe(defaultProps.icon);
+  });
+});