1 files changed, 53 insertions, 0 deletions
diff --git a/spec/frontend/sidebar/components/date/sidebar_inherit_date_spec.js b/spec/frontend/sidebar/components/date/sidebar_inherit_date_spec.js
new file mode 100644
index 00000000000..4d38eba8035
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+++ b/spec/frontend/sidebar/components/date/sidebar_inherit_date_spec.js
@@ -0,0 +1,53 @@
+import { GlFormRadio } from '@gitlab/ui';
+import { shallowMount } from '@vue/test-utils';
+import SidebarFormattedDate from '~/sidebar/components/date/sidebar_formatted_date.vue';
+import SidebarInheritDate from '~/sidebar/components/date/sidebar_inherit_date.vue';
+
+describe('SidebarInheritDate', () => {
+  let wrapper;
+  const findFixedFormattedDate = () => wrapper.findAll(SidebarFormattedDate).at(0);
+  const findInheritFormattedDate = () => wrapper.findAll(SidebarFormattedDate).at(1);
+  const findFixedRadio = () => wrapper.findAll(GlFormRadio).at(0);
+  const findInheritRadio = () => wrapper.findAll(GlFormRadio).at(1);
+
+  const createComponent = () => {
+    wrapper = shallowMount(SidebarInheritDate, {
+      provide: {
+        canUpdate: true,
+      },
+      propsData: {
+        issuable: {
+          dueDate: '2021-04-15',
+          dueDateIsFixed: true,
+          dueDateFixed: '2021-04-15',
+          dueDateFromMilestones: '2021-05-15',
+        },
+        isLoading: false,
+        dateType: 'dueDate',
+      },
+    });
+  };
+
+  beforeEach(() => {
+    createComponent();
+  });
+
+  afterEach(() => {
+    wrapper.destroy();
+  });
+
+  it('displays formatted fixed and inherited dates with radio buttons', () => {
+    expect(wrapper.findAll(SidebarFormattedDate)).toHaveLength(2);
+    expect(wrapper.findAll(GlFormRadio)).toHaveLength(2);
+    expect(findFixedFormattedDate().props('formattedDate')).toBe('Apr 15, 2021');
+    expect(findInheritFormattedDate().props('formattedDate')).toBe('May 15, 2021');
+    expect(findFixedRadio().text()).toBe('Fixed:');
+    expect(findInheritRadio().text()).toBe('Inherited:');
+  });
+
+  it('emits set-date event on click on radio button', () => {
+    findFixedRadio().vm.$emit('input', true);
+
+    expect(wrapper.emitted('set-date')).toEqual([[true]]);
+  });
+});