1 files changed, 69 insertions, 0 deletions
diff --git a/comm/mailnews/base/test/unit/test_identity.js b/comm/mailnews/base/test/unit/test_identity.js
new file mode 100644
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+++ b/comm/mailnews/base/test/unit/test_identity.js
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+/* 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/. */
+
+/**
+ * Tests the UID attribute of identities.
+ */
+add_task(async function testUID() {
+  const UUID_REGEXP =
+    /^[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}$/;
+
+  // Create an identity and check it the UID is set when accessed.
+
+  let identityA = MailServices.accounts.createIdentity();
+  Assert.stringMatches(
+    identityA.UID,
+    UUID_REGEXP,
+    "identity A's UID should exist and be a UUID"
+  );
+  Assert.equal(
+    Services.prefs.getStringPref(`mail.identity.${identityA.key}.uid`),
+    identityA.UID,
+    "identity A's UID should be saved to the preferences"
+  );
+  Assert.throws(
+    () => (identityA.UID = "00001111-2222-3333-4444-555566667777"),
+    /NS_ERROR_ABORT/,
+    "identity A's UID should be unchangeable after it is set"
+  );
+
+  // Create a second identity and check the two UIDs don't match.
+
+  let identityB = MailServices.accounts.createIdentity();
+  Assert.stringMatches(
+    identityB.UID,
+    UUID_REGEXP,
+    "identity B's UID should exist and be a UUID"
+  );
+  Assert.equal(
+    Services.prefs.getStringPref(`mail.identity.${identityB.key}.uid`),
+    identityB.UID,
+    "identity B's UID should be saved to the preferences"
+  );
+  Assert.notEqual(
+    identityB.UID,
+    identityA.UID,
+    "identity B's UID should not be the same as identity A's"
+  );
+
+  // Create a third identity and set the UID before it is accessed.
+
+  let identityC = MailServices.accounts.createIdentity();
+  identityC.UID = "11112222-3333-4444-5555-666677778888";
+  Assert.equal(
+    identityC.UID,
+    "11112222-3333-4444-5555-666677778888",
+    "identity C's UID set correctly"
+  );
+  Assert.equal(
+    Services.prefs.getStringPref(`mail.identity.${identityC.key}.uid`),
+    "11112222-3333-4444-5555-666677778888",
+    "identity C's UID should be saved to the preferences"
+  );
+  Assert.throws(
+    () => (identityC.UID = "22223333-4444-5555-6666-777788889999"),
+    /NS_ERROR_ABORT/,
+    "identity C's UID should be unchangeable after it is set"
+  );
+});