1 files changed, 71 insertions, 0 deletions
diff --git a/comm/mail/base/test/browser/browser_statusFeedback.js b/comm/mail/base/test/browser/browser_statusFeedback.js
new file mode 100644
index 0000000000..66132aa484
--- /dev/null
+++ b/comm/mail/base/test/browser/browser_statusFeedback.js
@@ -0,0 +1,71 @@
+/* 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/. */
+
+const { MessageGenerator } = ChromeUtils.import(
+  "resource://testing-common/mailnews/MessageGenerator.jsm"
+);
+
+const statusText = document.getElementById("statusText");
+const tabmail = document.getElementById("tabmail");
+const about3Pane = tabmail.currentAbout3Pane;
+const { threadTree } = about3Pane;
+
+add_setup(async function () {
+  // Create an account for the test.
+  MailServices.accounts.createLocalMailAccount();
+  const account = MailServices.accounts.accounts[0];
+  account.addIdentity(MailServices.accounts.createIdentity());
+
+  // Create a folder for the account to store test messages.
+  const rootFolder = account.incomingServer.rootFolder;
+  rootFolder.createSubfolder("statusFeedback", null);
+  const testFolder = rootFolder
+    .getChildNamed("statusFeedback")
+    .QueryInterface(Ci.nsIMsgLocalMailFolder);
+
+  // Generate a test message.
+  const generator = new MessageGenerator();
+  testFolder.addMessage(generator.makeMessage().toMboxString());
+
+  // Use the test folder.
+  about3Pane.displayFolder(testFolder.URI);
+  await ensure_cards_view();
+
+  // Remove test account on cleanup.
+  registerCleanupFunction(() => {
+    MailServices.accounts.removeAccount(account, false);
+  });
+});
+
+/**
+ * Tests that the correct status message appears when opening a message.
+ */
+add_task(async function testMessageOpen() {
+  const row = threadTree.getRowAtIndex(0);
+  const subjectLine = row.querySelector(
+    ".thread-card-subject-container .subject"
+  );
+
+  // Click on the email.
+  const selectPromise = BrowserTestUtils.waitForEvent(threadTree, "select");
+  EventUtils.synthesizeMouseAtCenter(
+    subjectLine,
+    { clickCount: 1 },
+    about3Pane
+  );
+  await selectPromise;
+
+  // Check the value of the status message.
+  Assert.equal(
+    statusText.value,
+    "Loading Message…",
+    "correct status message is shown"
+  );
+
+  // Check that the status message eventually reset
+  await TestUtils.waitForCondition(
+    () => statusText.value == "",
+    "status message should eventually reset"
+  );
+});