1 files changed, 80 insertions, 0 deletions
diff --git a/comm/mailnews/imap/test/unit/test_syncChanges.js b/comm/mailnews/imap/test/unit/test_syncChanges.js
new file mode 100644
index 0000000000..e4b46f35a8
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+++ b/comm/mailnews/imap/test/unit/test_syncChanges.js
@@ -0,0 +1,80 @@
+/* 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 to ensure that changes made from a different profile/machine
+ * are synced correctly. In particular, we're checking that emptying out
+ * an imap folder on the server makes us delete all the headers from our db.
+ */
+
+var { MessageGenerator } = ChromeUtils.import(
+  "resource://testing-common/mailnews/MessageGenerator.jsm"
+);
+var { PromiseTestUtils } = ChromeUtils.import(
+  "resource://testing-common/mailnews/PromiseTestUtils.jsm"
+);
+
+var gMessage;
+var gSecondFolder;
+var gSynthMessage;
+
+add_setup(async function () {
+  /*
+   * Set up an IMAP server.
+   */
+  setupIMAPPump();
+
+  IMAPPump.daemon.createMailbox("secondFolder", { subscribed: true });
+
+  let messages = [];
+  let gMessageGenerator = new MessageGenerator();
+  messages = messages.concat(gMessageGenerator.makeMessage());
+  gSynthMessage = messages[0];
+
+  let msgURI = Services.io.newURI(
+    "data:text/plain;base64," + btoa(gSynthMessage.toMessageString())
+  );
+  gMessage = new ImapMessage(msgURI.spec, IMAPPump.mailbox.uidnext++, []);
+  IMAPPump.mailbox.addMessage(gMessage);
+
+  // update folder to download header.
+  let listener = new PromiseTestUtils.PromiseUrlListener();
+  IMAPPump.inbox.updateFolderWithListener(null, listener);
+  await listener.promise;
+});
+
+add_task(async function switchAwayFromInbox() {
+  let rootFolder = IMAPPump.incomingServer.rootFolder;
+  gSecondFolder = rootFolder
+    .getChildNamed("secondFolder")
+    .QueryInterface(Ci.nsIMsgImapMailFolder);
+
+  // Selecting the second folder will close the cached connection
+  // on the inbox because fake server only supports one connection at a time.
+  //  Then, we can poke at the message on the imap server directly, which
+  // simulates the user changing the message from a different machine,
+  // and Thunderbird discovering the change when it does a flag sync
+  // upon reselecting the Inbox.
+  let listener = new PromiseTestUtils.PromiseUrlListener();
+  gSecondFolder.updateFolderWithListener(null, listener);
+  await listener.promise;
+});
+
+add_task(async function simulateMailboxEmptied() {
+  gMessage.setFlag("\\Deleted");
+  let expungeListener = new PromiseTestUtils.PromiseUrlListener();
+  IMAPPump.inbox.expunge(expungeListener, null);
+  await expungeListener.promise;
+  let updateListener = new PromiseTestUtils.PromiseUrlListener();
+  IMAPPump.inbox.updateFolderWithListener(null, updateListener);
+  await updateListener.promise;
+});
+
+add_task(function checkMailboxEmpty() {
+  Assert.equal(IMAPPump.inbox.getTotalMessages(false), 0);
+});
+
+add_task(function endTest() {
+  teardownIMAPPump();
+});