1 files changed, 114 insertions, 0 deletions
diff --git a/spec/frontend/vue_merge_request_widget/components/mr_widget_related_links_spec.js b/spec/frontend/vue_merge_request_widget/components/mr_widget_related_links_spec.js
new file mode 100644
index 00000000000..15522f7ac1d
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+++ b/spec/frontend/vue_merge_request_widget/components/mr_widget_related_links_spec.js
@@ -0,0 +1,114 @@
+import { GlLink } from '@gitlab/ui';
+import { shallowMount } from '@vue/test-utils';
+import RelatedLinks from '~/vue_merge_request_widget/components/mr_widget_related_links.vue';
+
+describe('MRWidgetRelatedLinks', () => {
+  let wrapper;
+
+  const createComponent = (propsData = {}) => {
+    wrapper = shallowMount(RelatedLinks, { propsData });
+  };
+
+  afterEach(() => {
+    wrapper.destroy();
+  });
+
+  describe('computed', () => {
+    describe('closesText', () => {
+      it('returns Closes text for open merge request', () => {
+        createComponent({ state: 'open', relatedLinks: {} });
+
+        expect(wrapper.vm.closesText).toBe('Closes issues');
+      });
+
+      it('returns correct text for closed merge request', () => {
+        createComponent({ state: 'closed', relatedLinks: {} });
+
+        expect(wrapper.vm.closesText).toBe('Did not close');
+      });
+
+      it('returns correct tense for merged request', () => {
+        createComponent({ state: 'merged', relatedLinks: {} });
+
+        expect(wrapper.vm.closesText).toBe('Closed');
+      });
+    });
+  });
+
+  it('should have only have closing issues text', () => {
+    createComponent({
+      relatedLinks: {
+        closing: '<a href="#">#23</a> and <a>#42</a>',
+        closingCount: 2,
+      },
+    });
+    const content = wrapper
+      .text()
+      .replace(/\n(\s)+/g, ' ')
+      .trim();
+
+    expect(content).toContain('Closes issues #23 and #42');
+    expect(content).not.toContain('Mentions');
+  });
+
+  it('should have only have mentioned issues text', () => {
+    createComponent({
+      relatedLinks: {
+        mentioned: '<a href="#">#7</a>',
+        mentionedCount: 1,
+      },
+    });
+
+    const content = wrapper
+      .text()
+      .replace(/\n(\s)+/g, ' ')
+      .trim();
+
+    expect(content).toContain('Mentions issue #7');
+    expect(content).not.toContain('Closes issues');
+  });
+
+  it('should have closing and mentioned issues at the same time', () => {
+    createComponent({
+      relatedLinks: {
+        closing: '<a href="#">#7</a>',
+        mentioned: '<a href="#">#23</a> and <a>#42</a>',
+        closingCount: 1,
+        mentionedCount: 2,
+      },
+    });
+    const content = wrapper
+      .text()
+      .replace(/\n(\s)+/g, ' ')
+      .trim();
+
+    expect(content).toContain('Closes issue #7');
+    expect(content).toContain('Mentions issues #23 and #42');
+  });
+
+  describe('should have correct assign issues link', () => {
+    it.each([
+      [1, 'Assign yourself to this issue'],
+      [2, 'Assign yourself to these issues'],
+    ])('when issue count is %s, link displays correct text', (unassignedCount, text) => {
+      const assignToMe = '/assign';
+
+      createComponent({
+        relatedLinks: { assignToMe, unassignedCount },
+      });
+
+      const glLinkWrapper = wrapper.findComponent(GlLink);
+
+      expect(glLinkWrapper.attributes('href')).toBe(assignToMe);
+      expect(glLinkWrapper.text()).toBe(text);
+    });
+
+    it('when no link is present', () => {
+      createComponent({
+        relatedLinks: { assignToMe: '#', unassignedCount: 0 },
+      });
+
+      expect(wrapper.findComponent(GlLink).exists()).toBe(false);
+    });
+  });
+});