got distracted by formatting responses

Justfile

@@ -5,4 +5,9 @@ doc:
     cargo doc --workspace --no-deps
 
 watch:
-    cargo watch -c
+    cargo watch -c
+
+fuzz-imap:
+    #!/bin/bash
+    cd imap
+    cargo +nightly fuzz run parse_response

imap/Justfile

@@ -3,7 +3,4 @@ afl:
     cd imap-parsing-fuzz-target
     pwd
     cargo afl build
-    cargo afl fuzz -i in -o out target/debug/imap-parsing-fuzz-target
-
-fuzz:
-    cargo +nightly fuzz run parse_response
+    cargo afl fuzz -i in -o out target/debug/imap-parsing-fuzz-target

imap/src/proto/response.rs

@@ -57,6 +57,17 @@ pub enum Response {
 impl DisplayBytes for Response {
     fn display_bytes(&self, w: &mut dyn Write) -> io::Result<()> {
         match self {
+            Response::Capabilities(caps) => {
+                write_bytes!(w, b"CAPABILITY")?;
+                for cap in caps {
+                    write_bytes!(w, b" {}", cap)?;
+                }
+                Ok(())
+            }
+            Response::Condition(cond) => write_bytes!(w, b"* {}", cond),
+            Response::Done(done) => write_bytes!(w, b""),
+            Response::MailboxData(data) => write_bytes!(w, b"* {}\r\n", data),
+            Response::Expunge(n) => write_bytes!(w, b"{} EXPUNGE", n),
             _ => todo!(),
         }
     }
@@ -126,6 +137,16 @@ pub struct Condition {
     pub info: Bytes,
 }
 
+impl DisplayBytes for Condition {
+    fn display_bytes(&self, w: &mut dyn Write) -> io::Result<()> {
+        write_bytes!(w, b"{} ", self.status)?;
+        if let Some(code) = &self.code {
+            write_bytes!(w, b"[{}] ", code)?;
+        }
+        write_bytes!(w, b"{}", self.info)
+    }
+}
+
 #[derive(Debug)]
 #[cfg_attr(feature = "fuzzing", derive(Arbitrary))]
 pub enum Status {
@@ -136,6 +157,18 @@ pub enum Status {
     Bye,
 }
 
+impl DisplayBytes for Status {
+    fn display_bytes(&self, w: &mut dyn Write) -> io::Result<()> {
+        match self {
+            Status::Ok => write_bytes!(w, b"OK"),
+            Status::No => write_bytes!(w, b"NO"),
+            Status::Bad => write_bytes!(w, b"BAD"),
+            Status::PreAuth => write_bytes!(w, b"PREAUTH"),
+            Status::Bye => write_bytes!(w, b"BYE"),
+        }
+    }
+}
+
 #[derive(Debug)]
 #[non_exhaustive]
 #[cfg_attr(feature = "fuzzing", derive(Arbitrary))]
@@ -158,6 +191,14 @@ pub enum ResponseCode {
     Other(Bytes, Option<Bytes>),
 }
 
+impl DisplayBytes for ResponseCode {
+    fn display_bytes(&self, w: &mut dyn Write) -> io::Result<()> {
+        match self {
+            _ => todo!(),
+        }
+    }
+}
+
 #[derive(Debug)]
 #[cfg_attr(feature = "fuzzing", derive(Arbitrary))]
 pub enum UidSetMember {
@@ -173,6 +214,16 @@ pub enum Capability {
     Atom(Atom),
 }
 
+impl DisplayBytes for Capability {
+    fn display_bytes(&self, w: &mut dyn Write) -> io::Result<()> {
+        match self {
+            Capability::Imap4rev1 => write_bytes!(w, b"IMAP4rev1"),
+            Capability::Auth(a) => write_bytes!(w, b"AUTH={}", a),
+            Capability::Atom(a) => write_bytes!(w, b"{}", a),
+        }
+    }
+}
+
 #[derive(Debug)]
 #[cfg_attr(feature = "fuzzing", derive(Arbitrary))]
 pub enum MailboxData {
@@ -185,6 +236,24 @@ pub enum MailboxData {
     Recent(u32),
 }
 
+impl DisplayBytes for MailboxData {
+    fn display_bytes(&self, w: &mut dyn Write) -> io::Result<()> {
+        match self {
+            MailboxData::Flags(flags) => {
+                write_bytes!(w, b"(")?;
+                for (i, flag) in flags.iter().enumerate() {
+                    if i != 0 {
+                        write_bytes!(w, b" ")?;
+                    }
+                    write_bytes!(w, b"{}", flag)?;
+                }
+                write_bytes!(w, b")")
+            }
+            _ => todo!(),
+        }
+    }
+}
+
 #[derive(Debug)]
 #[cfg_attr(feature = "fuzzing", derive(Arbitrary))]
 pub enum Mailbox {
@@ -205,6 +274,21 @@ pub enum Flag {
     Extension(Atom),
 }
 
+impl DisplayBytes for Flag {
+    fn display_bytes(&self, w: &mut dyn Write) -> io::Result<()> {
+        match self {
+            Flag::Answered => write_bytes!(w, b"\\Answered"),
+            Flag::Flagged => write_bytes!(w, b"\\Flagged"),
+            Flag::Deleted => write_bytes!(w, b"\\Deleted"),
+            Flag::Seen => write_bytes!(w, b"\\Seen"),
+            Flag::Draft => write_bytes!(w, b"\\Draft"),
+            Flag::Recent => write_bytes!(w, b"\\Recent"),
+            Flag::Keyword(atom) => write_bytes!(w, b"{}", atom),
+            Flag::Extension(atom) => write_bytes!(w, b"\\{}", atom),
+        }
+    }
+}
+
 #[derive(Debug)]
 #[cfg_attr(feature = "fuzzing", derive(Arbitrary))]
 pub struct MailboxList {