1 files changed, 39 insertions, 0 deletions
diff --git a/comm/mail/test/browser/composition/browser_linkPreviews.js b/comm/mail/test/browser/composition/browser_linkPreviews.js
new file mode 100644
index 0000000000..5316d8904c
--- /dev/null
+++ b/comm/mail/test/browser/composition/browser_linkPreviews.js
@@ -0,0 +1,39 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+/**
+ * Test link previews.
+ */
+
+var { close_compose_window, open_compose_new_mail } = ChromeUtils.import(
+  "resource://testing-common/mozmill/ComposeHelpers.jsm"
+);
+
+var url =
+  "http://mochi.test:8888/browser/comm/mail/test/browser/composition/html/linkpreview.html";
+
+add_task(async function previewEnabled() {
+  Services.prefs.setBoolPref("mail.compose.add_link_preview", true);
+  let controller = open_compose_new_mail();
+  await navigator.clipboard.writeText(url);
+
+  let messageEditor =
+    controller.window.document.getElementById("messageEditor");
+  messageEditor.focus();
+
+  // Ctrl+V = Paste
+  EventUtils.synthesizeKey(
+    "v",
+    { shiftKey: false, accelKey: true },
+    controller.window
+  );
+
+  await TestUtils.waitForCondition(
+    () => messageEditor.contentDocument.body.querySelector(".moz-card"),
+    "link preview should have appeared"
+  );
+
+  close_compose_window(controller);
+  Services.prefs.clearUserPref("mail.compose.add_link_preview");
+});