Add Join meeting button to Issues with Zoom links

Detect links containing zoom.us followed by j, s, or my
Add link below Issue title that links to Zoom meeting

2 files changed, 104 insertions, 0 deletions

diff --git a/spec/features/issues/user_creates_issue_spec.rb b/spec/features/issues/user_creates_issue_spec.rb
index 0f604db870f..2789d574156 100644
--- a/spec/features/issues/user_creates_issue_spec.rb
+++ b/spec/features/issues/user_creates_issue_spec.rb
@@ -92,6 +92,19 @@ describe "User creates issue" do
           .and have_content(label_titles.first)
       end
     end
+
+    context "with Zoom link" do
+      it "adds Zoom button" do
+        issue_title = "Issue containing Zoom meeting link"
+        zoom_url = "https://gitlab.zoom.us/j/123456789"
+
+        fill_in("Title", with: issue_title)
+        fill_in("Description", with: zoom_url)
+        click_button("Submit issue")
+
+        expect(page).to have_link('Join Zoom meeting', href: zoom_url)
+      end
+    end
   end
 
   context "when signed in as user with special characters in their name" do
diff --git a/spec/frontend/issue_show/components/pinned_links_spec.js b/spec/frontend/issue_show/components/pinned_links_spec.js
new file mode 100644
index 00000000000..50041667a61
--- /dev/null
+++ b/spec/frontend/issue_show/components/pinned_links_spec.js
@@ -0,0 +1,91 @@
+import { shallowMount, createLocalVue } from '@vue/test-utils';
+import { GlLink } from '@gitlab/ui';
+import PinnedLinks from '~/issue_show/components/pinned_links.vue';
+
+const localVue = createLocalVue();
+
+const plainZoomUrl = 'https://zoom.us/j/123456789';
+const vanityZoomUrl = 'https://gitlab.zoom.us/j/123456789';
+const startZoomUrl = 'https://zoom.us/s/123456789';
+const personalZoomUrl = 'https://zoom.us/my/hunter-zoloman';
+const randomUrl = 'https://zoom.us.com';
+
+describe('PinnedLinks', () => {
+  let wrapper;
+
+  const link = {
+    get text() {
+      return wrapper.find(GlLink).text();
+    },
+    get href() {
+      return wrapper.find(GlLink).attributes('href');
+    },
+  };
+
+  const createComponent = props => {
+    wrapper = shallowMount(localVue.extend(PinnedLinks), {
+      localVue,
+      sync: false,
+      propsData: {
+        descriptionHtml: '',
+        ...props,
+      },
+    });
+  };
+
+  it('displays Zoom link', () => {
+    createComponent({
+      descriptionHtml: `<a href="${plainZoomUrl}">Zoom</a>`,
+    });
+
+    expect(link.text).toBe('Join Zoom meeting');
+  });
+
+  it('detects plain Zoom link', () => {
+    createComponent({
+      descriptionHtml: `<a href="${plainZoomUrl}">Zoom</a>`,
+    });
+
+    expect(link.href).toBe(plainZoomUrl);
+  });
+
+  it('detects vanity Zoom link', () => {
+    createComponent({
+      descriptionHtml: `<a href="${vanityZoomUrl}">Zoom</a>`,
+    });
+
+    expect(link.href).toBe(vanityZoomUrl);
+  });
+
+  it('detects Zoom start meeting link', () => {
+    createComponent({
+      descriptionHtml: `<a href="${startZoomUrl}">Zoom</a>`,
+    });
+
+    expect(link.href).toBe(startZoomUrl);
+  });
+
+  it('detects personal Zoom room link', () => {
+    createComponent({
+      descriptionHtml: `<a href="${personalZoomUrl}">Zoom</a>`,
+    });
+
+    expect(link.href).toBe(personalZoomUrl);
+  });
+
+  it('only renders final Zoom link in description', () => {
+    createComponent({
+      descriptionHtml: `<a href="${plainZoomUrl}">Zoom</a><a href="${vanityZoomUrl}">Zoom</a>`,
+    });
+
+    expect(link.href).toBe(vanityZoomUrl);
+  });
+
+  it('does not render for other links', () => {
+    createComponent({
+      descriptionHtml: `<a href="${randomUrl}">Some other link</a>`,
+    });
+
+    expect(wrapper.find(GlLink).exists()).toBe(false);
+  });
+});