1 files changed, 105 insertions, 0 deletions
diff --git a/comm/mailnews/compose/test/unit/test_smtp8bitMime.js b/comm/mailnews/compose/test/unit/test_smtp8bitMime.js
new file mode 100644
index 0000000000..d763947154
--- /dev/null
+++ b/comm/mailnews/compose/test/unit/test_smtp8bitMime.js
@@ -0,0 +1,105 @@
+/**
+ * 8BITMIME tests for SMTP.
+ *
+ * This test verifies that 8BITMIME is sent to the server only if the server
+ * advertises it AND if mail.strictly_mime doesn't force us to send 7bit.
+ * It does not check the data of the message on either side of the link.
+ */
+var { MailServices } = ChromeUtils.import(
+  "resource:///modules/MailServices.jsm"
+);
+const { PromiseTestUtils } = ChromeUtils.import(
+  "resource://testing-common/mailnews/PromiseTestUtils.jsm"
+);
+
+var server;
+
+var kIdentityMail = "identity@foo.invalid";
+var kSender = "from@foo.invalid";
+var kTo = "to@foo.invalid";
+
+// aStrictMime: Test if mail.strictly_mime omits the BODY=8BITMIME attribute.
+// aServer8bit: Test if BODY=8BITMIME is only sent if advertised by the server.
+
+async function test_8bitmime(aStrictMime, aServer8bit) {
+  // Test file
+  var testFile = do_get_file("data/message1.eml");
+
+  // Ensure we have at least one mail account
+  localAccountUtils.loadLocalMailAccount();
+
+  server.start();
+  var smtpServer = getBasicSmtpServer(server.port);
+  var identity = getSmtpIdentity(kIdentityMail, smtpServer);
+
+  // Handle the server in a try/catch/finally loop so that we always will stop
+  // the server if something fails.
+  try {
+    test =
+      "Strictly MIME" +
+      (aStrictMime ? "on (7bit" : "off (8bit") +
+      ", 8BITMIME " +
+      (aServer8bit ? "" : "not ") +
+      "advertised)";
+
+    Services.prefs.setBoolPref("mail.strictly_mime", aStrictMime);
+
+    let urlListener = new PromiseTestUtils.PromiseUrlListener();
+    MailServices.smtp.sendMailMessage(
+      testFile,
+      kTo,
+      identity,
+      kSender,
+      null,
+      urlListener,
+      null,
+      null,
+      false,
+      "",
+      {},
+      {}
+    );
+
+    await urlListener.promise;
+
+    var transaction = server.playTransaction();
+    do_check_transaction(transaction, [
+      "EHLO test",
+      "MAIL FROM:<" +
+        kSender +
+        (!aStrictMime && aServer8bit
+          ? "> BODY=8BITMIME SIZE=159"
+          : "> SIZE=159"),
+      "RCPT TO:<" + kTo + ">",
+      "DATA",
+    ]);
+
+    server.resetTest();
+  } catch (e) {
+    do_throw(e);
+  } finally {
+    server.stop();
+
+    var thread = gThreadManager.currentThread;
+    while (thread.hasPendingEvents()) {
+      thread.processNextEvent(true);
+    }
+  }
+}
+
+add_task(async function run() {
+  // The default SMTP server advertises 8BITMIME capability.
+  server = setupServerDaemon();
+  await test_8bitmime(true, true);
+  await test_8bitmime(false, true);
+
+  // Now we need a server which does not advertise 8BITMIME capability.
+  function createHandler(d) {
+    var handler = new SMTP_RFC2821_handler(d);
+    handler.kCapabilities = ["SIZE"];
+    return handler;
+  }
+  server = setupServerDaemon(createHandler);
+  await test_8bitmime(true, false);
+  await test_8bitmime(false, false);
+});