Make macro system and PTY test leaf

unshell-leaves/leaf-pty/src/state.rs

@@ -0,0 +1,37 @@
+use unshell::protocol::{HookID, unshell_leaf};
+
+use crate::{constants::LEAF_FAKE_PTY, session::PtySession};
+
+/// User-owned state for the generated fake PTY leaf.
+///
+/// The macro-generated `FakePtyLeaf` wrapper stores sessions and retry queues around
+/// this struct. Keeping counters here makes tests and future procedures observe leaf
+/// behavior without reaching into generated session storage.
+#[unshell_leaf(leaf = FakePtyLeaf, id = LEAF_FAKE_PTY, sessions(PtySession))]
+pub struct FakePtyState {
+    /// Number of sessions that application logic considers active.
+    pub active_count: usize,
+
+    /// Total number of successfully opened sessions.
+    pub total_opened: u64,
+
+    /// Last hook that received stdin EOF.
+    pub last_stdin_eof_hook: Option<HookID>,
+}
+
+impl FakePtyState {
+    /// Creates a fake PTY state with no active sessions.
+    pub fn new() -> Self {
+        Self {
+            active_count: 0,
+            total_opened: 0,
+            last_stdin_eof_hook: None,
+        }
+    }
+}
+
+impl Default for FakePtyState {
+    fn default() -> Self {
+        Self::new()
+    }
+}