src/imap/capability.rs

@@ -30,6 +30,7 @@ impl Default for ServerCapability {
             Capability::Enable,
             Capability::Move,
             Capability::LiteralPlus,
+            Capability::Idle,
             capability_unselect(),
             capability_condstore(),
             //capability_qresync(),

tests/behavior.rs

@@ -11,6 +11,7 @@ fn main() {
     rfc6851_imapext_move();
     rfc7888_imapext_literal();
     rfc4551_imapext_condstore();
+    rfc2177_imapext_idle();
     println!("✅ SUCCESS 🌟🚀🥳🙏🥹");
 }
 
@@ -21,8 +22,6 @@ fn rfc3501_imap4rev1_base() {
         capability(imap_socket, Extension::None).context("check server capabilities")?;
         login(imap_socket, Account::Alice).context("login test")?;
         create_mailbox(imap_socket, Mailbox::Archive).context("created mailbox archive")?;
-        // UNSUBSCRIBE IS NOT IMPLEMENTED YET
-        //unsubscribe_mailbox(imap_socket).context("unsubscribe from archive")?;
         let select_res =
             select(imap_socket, Mailbox::Inbox, SelectMod::None).context("select inbox")?;
         assert!(select_res.contains("* 0 EXISTS"));
@@ -241,3 +240,25 @@ fn rfc4551_imapext_condstore() {
     })
     .expect("test fully run");
 }
+
+
+fn rfc2177_imapext_idle() {
+    println!("🧪 rfc2177_imapext_idle");
+    common::aerogramme_provider_daemon_dev(|imap_socket, lmtp_socket| {
+        // Test setup
+        connect(imap_socket).context("server says hello")?;
+        capability(imap_socket, Extension::Idle).context("check server capabilities")?;
+        login(imap_socket, Account::Alice).context("login test")?;
+        select(imap_socket, Mailbox::Inbox, SelectMod::None).context("select inbox")?;
+
+        // Check that new messages from LMTP are correctly detected during idling
+        start_idle(imap_socket).context("can't start idling")?;
+        lmtp_handshake(lmtp_socket).context("handshake lmtp done")?;
+        lmtp_deliver_email(lmtp_socket, Email::Basic).context("mail delivered successfully")?;
+        let srv_msg = stop_idle(imap_socket).context("stop idling")?;
+        assert!(srv_msg.contains("* 1 EXISTS"));
+
+        Ok(())
+    })
+    .expect("test fully run");
+}

tests/common/fragments.rs

@@ -36,6 +36,7 @@ pub enum Extension {
     Move,
     Condstore,
     LiteralPlus,
+    Idle,
 }
 
 pub enum Enable {
@@ -114,6 +115,7 @@ pub fn capability(imap: &mut TcpStream, ext: Extension) -> Result<()> {
         Extension::Move => Some("MOVE"),
         Extension::Condstore => Some("CONDSTORE"),
         Extension::LiteralPlus => Some("LITERAL+"),
+        Extension::Idle => Some("IDLE"),
     };
 
     let mut buffer: [u8; 6000] = [0; 6000];
@@ -496,6 +498,22 @@ pub fn enable(imap: &mut TcpStream, ask: Enable, done: Option<Enable>) -> Result
     Ok(())
 }
 
+pub fn start_idle(imap: &mut TcpStream) -> Result<()> {
+    let mut buffer: [u8; 1500] = [0; 1500];
+    imap.write(&b"98 IDLE\r\n"[..])?;
+    let read = read_lines(imap, &mut buffer, None)?;
+    assert_eq!(read[0], b'+');
+    Ok(())
+}
+
+pub fn stop_idle(imap: &mut TcpStream) -> Result<String> {
+    let mut buffer: [u8; 16536] = [0; 16536];
+    imap.write(&b"DONE\r\n"[..])?;
+    let read = read_lines(imap, &mut buffer, Some(&b"98 OK"[..]))?;
+    let srv_msg = std::str::from_utf8(read)?;
+    Ok(srv_msg.to_string())
+}
+
 pub fn logout(imap: &mut TcpStream) -> Result<()> {
     imap.write(&b"99 logout\r\n"[..])?;
     let mut buffer: [u8; 1500] = [0; 1500];