402 lines
11 KiB
Rust
402 lines
11 KiB
Rust
use std::sync::Once;
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use std::time::Duration;
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use mlua::Lua;
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use tokio::io::{AsyncReadExt, AsyncWriteExt};
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use tokio::net::TcpListener;
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static INIT: Once = Once::new();
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fn init_tracing() {
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INIT.call_once(|| {
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tracing_subscriber::fmt()
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.with_env_filter("xserial=trace")
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.try_init()
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.ok();
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});
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}
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fn text_pipeline_lua() -> &'static str {
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r#"
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{
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name = "text",
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framer = { Line = {} },
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decoder = { Text = {} }
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}
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"#
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}
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fn hex_pipeline_lua() -> &'static str {
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r#"
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{
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name = "hex",
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framer = { Line = {} },
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decoder = { Hex = { uppercase = true } }
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}
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"#
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}
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// ── xserial.sleep / xserial.log ──────────────────────────────────
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#[tokio::test]
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async fn lua_sleep_and_log() {
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let lua = Lua::new();
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xserial_client::lua::register(&lua).unwrap();
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lua.load(
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r#"
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xserial.log("test start")
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xserial.sleep(50)
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xserial.log("test end")
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"#,
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)
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.exec_async()
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.await
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.unwrap();
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}
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// ── xserial.list_ports ───────────────────────────────────────────
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#[tokio::test]
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async fn lua_list_ports() {
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let lua = Lua::new();
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xserial_client::lua::register(&lua).unwrap();
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let result: Vec<String> = lua
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.load(r#"return xserial.list_ports()"#)
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.eval_async()
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.await
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.unwrap();
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// Should return a table (possibly empty if no serial ports)
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// Just verify it doesn't crash
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let _ = result;
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}
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// ── xserial.open + session:send / session:read / session:close ────
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#[tokio::test]
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async fn lua_session_open_send_read_close() {
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init_tracing();
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let listener = TcpListener::bind("127.0.0.1:0").await.unwrap();
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let addr = listener.local_addr().unwrap().to_string();
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let server = tokio::spawn(async move {
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let (mut stream, _) = listener.accept().await.unwrap();
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let mut buf = [0u8; 256];
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let n = stream.read(&mut buf).await.unwrap();
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assert_eq!(&buf[..n], b"hello\n");
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stream.write_all(b"world\n").await.unwrap();
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tokio::time::sleep(Duration::from_millis(200)).await;
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});
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let lua = Lua::new();
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xserial_client::lua::register(&lua).unwrap();
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let script = format!(
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r#"
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local sess = xserial.open({{
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transport = {{ Tcp = {{ addr = "{}" }} }},
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pipelines = {{{}}}
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}})
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sess:send("hello\n")
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local r = sess:read(5000)
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assert(r ~= nil, "expected data")
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assert(r.pipeline == "text", "expected text pipeline")
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assert(r.data == "world", "expected 'world', got " .. tostring(r.data))
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sess:close()
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"#,
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addr,
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text_pipeline_lua()
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);
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lua.load(&script).exec_async().await.unwrap();
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server.await.unwrap();
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}
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// ── session:read with timeout ────────────────────────────────────
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#[tokio::test]
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async fn lua_session_read_timeout() {
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let listener = TcpListener::bind("127.0.0.1:0").await.unwrap();
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let addr = listener.local_addr().unwrap().to_string();
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let _server = tokio::spawn(async move {
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let (_stream, _) = listener.accept().await.unwrap();
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tokio::time::sleep(std::time::Duration::from_secs(10)).await;
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});
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let lua = Lua::new();
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xserial_client::lua::register(&lua).unwrap();
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let script = format!(
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r#"
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local sess = xserial.open({{
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transport = {{ Tcp = {{ addr = "{}" }} }},
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pipelines = {{{}}}
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}})
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local r = sess:read(100)
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assert(r == nil, "read should time out")
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sess:close()
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"#,
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addr,
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text_pipeline_lua()
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);
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lua.load(&script).exec_async().await.unwrap();
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}
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// ── xserial.open with hex decoder ────────────────────────────────
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#[tokio::test]
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async fn lua_session_hex_decoder() {
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let listener = TcpListener::bind("127.0.0.1:0").await.unwrap();
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let addr = listener.local_addr().unwrap().to_string();
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let server = tokio::spawn(async move {
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let (mut stream, _) = listener.accept().await.unwrap();
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stream.write_all(b"ABC\n").await.unwrap();
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tokio::time::sleep(Duration::from_millis(200)).await;
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});
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let lua = Lua::new();
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xserial_client::lua::register(&lua).unwrap();
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let script = format!(
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r#"
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local sess = xserial.open({{
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transport = {{ Tcp = {{ addr = "{}" }} }},
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pipelines = {{{}}}
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}})
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local r = sess:read(5000)
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assert(r ~= nil)
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assert(r.pipeline == "hex")
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assert(r.kind == "hex")
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assert(r.data == "41 42 43", "expected hex of ABC, got " .. tostring(r.data))
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sess:close()
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"#,
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addr,
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hex_pipeline_lua()
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);
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lua.load(&script).exec_async().await.unwrap();
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server.await.unwrap();
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}
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// ── session:on_data callback ─────────────────────────────────────
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#[tokio::test]
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async fn lua_session_on_data_callback() {
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let listener = TcpListener::bind("127.0.0.1:0").await.unwrap();
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let addr = listener.local_addr().unwrap().to_string();
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let server = tokio::spawn(async move {
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let (mut stream, _) = listener.accept().await.unwrap();
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stream.write_all(b"line1\nline2\n").await.unwrap();
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tokio::time::sleep(Duration::from_millis(200)).await;
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});
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let lua = Lua::new();
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xserial_client::lua::register(&lua).unwrap();
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let script = format!(
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r#"
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local received = {{}}
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local sess = xserial.open({{
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transport = {{ Tcp = {{ addr = "{}" }} }},
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pipelines = {{{}}}
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}})
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sess:on_data(function(name, data)
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table.insert(received, {{ name = name, data = data }})
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end)
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for _ = 1, 50 do
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if #received < 2 then
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xserial.poll(1)
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xserial.sleep(10)
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end
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end
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assert(#received == 2, "expected 2 callbacks, got " .. #received)
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assert(received[1].name == "text")
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assert(received[1].data == "line1")
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assert(received[2].name == "text")
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assert(received[2].data == "line2")
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sess:close()
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"#,
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addr,
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text_pipeline_lua()
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);
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lua.load(&script).exec_async().await.unwrap();
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server.await.unwrap();
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}
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// ── session:reconfigure from Lua ─────────────────────────────────
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#[tokio::test]
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async fn lua_session_reconfigure() {
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let listener = TcpListener::bind("127.0.0.1:0").await.unwrap();
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let addr = listener.local_addr().unwrap().to_string();
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let server = tokio::spawn(async move {
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let (mut stream, _) = listener.accept().await.unwrap();
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stream.write_all(b"test\n").await.unwrap();
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tokio::time::sleep(Duration::from_millis(300)).await;
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});
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let listener2 = TcpListener::bind("127.0.0.1:0").await.unwrap();
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let addr2 = listener2.local_addr().unwrap().to_string();
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let server2 = tokio::spawn(async move {
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let (mut stream, _) = listener2.accept().await.unwrap();
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stream.write_all(b"ABC\n").await.unwrap();
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tokio::time::sleep(Duration::from_millis(300)).await;
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});
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let lua = Lua::new();
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xserial_client::lua::register(&lua).unwrap();
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let script = format!(
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r#"
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local sess = xserial.open({{
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transport = {{ Tcp = {{ addr = "{}" }} }},
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pipelines = {{{}}}
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}})
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local r = sess:read(5000)
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assert(r.data == "test")
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-- Reconfigure to hex on different address
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sess:reconfigure({{
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transport = {{ Tcp = {{ addr = "{}" }} }},
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pipelines = {{{}}}
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}})
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local r2 = sess:read(5000)
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assert(r2.pipeline == "hex")
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assert(r2.data == "41 42 43")
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sess:close()
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"#,
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addr,
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text_pipeline_lua(),
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addr2,
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hex_pipeline_lua()
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);
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lua.load(&script).exec_async().await.unwrap();
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server.await.unwrap();
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server2.await.unwrap();
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}
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// ── session:next_event ───────────────────────────────────────────
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#[tokio::test]
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async fn lua_session_next_event_stream() {
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let listener = TcpListener::bind("127.0.0.1:0").await.unwrap();
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let addr = listener.local_addr().unwrap().to_string();
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let server = tokio::spawn(async move {
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let (mut stream, _) = listener.accept().await.unwrap();
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stream.write_all(b"streamed\n").await.unwrap();
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tokio::time::sleep(Duration::from_millis(200)).await;
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});
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let lua = Lua::new();
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xserial_client::lua::register(&lua).unwrap();
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let script = format!(
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r#"
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local sess = xserial.open({{
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transport = {{ Tcp = {{ addr = "{}" }} }},
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pipelines = {{{}}}
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}})
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local e1 = sess:next_event(5000)
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assert(e1 ~= nil, "expected connected event")
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assert(e1.type == "connected", "expected connected, got " .. tostring(e1.type))
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local e2 = sess:next_event(5000)
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assert(e2 ~= nil, "expected data event")
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assert(e2.type == "data", "expected data, got " .. tostring(e2.type))
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assert(e2.pipeline == "text")
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assert(e2.kind == "text")
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assert(e2.data == "streamed")
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sess:close()
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"#,
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addr,
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text_pipeline_lua()
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);
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lua.load(&script).exec_async().await.unwrap();
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server.await.unwrap();
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}
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// ── session:off + xserial.poll ───────────────────────────────────
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#[tokio::test]
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async fn lua_session_off_stops_future_callbacks() {
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let listener = TcpListener::bind("127.0.0.1:0").await.unwrap();
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let addr = listener.local_addr().unwrap().to_string();
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let server = tokio::spawn(async move {
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let (mut stream, _) = listener.accept().await.unwrap();
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stream.write_all(b"first\n").await.unwrap();
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tokio::time::sleep(Duration::from_millis(150)).await;
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stream.write_all(b"second\n").await.unwrap();
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tokio::time::sleep(Duration::from_millis(200)).await;
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});
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let lua = Lua::new();
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xserial_client::lua::register(&lua).unwrap();
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let script = format!(
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r#"
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local received = {{}}
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local sess = xserial.open({{
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transport = {{ Tcp = {{ addr = "{}" }} }},
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pipelines = {{{}}}
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}})
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local token = sess:on_data(function(name, data)
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table.insert(received, name .. ":" .. data)
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end)
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for _ = 1, 50 do
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if #received == 0 then
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xserial.poll(1)
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xserial.sleep(10)
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end
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end
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assert(#received == 1, "expected first callback before off, got " .. #received)
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assert(received[1] == "text:first")
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assert(sess:off(token) == true)
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xserial.sleep(250)
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xserial.poll(10)
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assert(#received == 1, "callback should not fire after off")
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assert(sess:off(token) == false)
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sess:close()
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"#,
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addr,
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text_pipeline_lua()
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);
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lua.load(&script).exec_async().await.unwrap();
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server.await.unwrap();
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}
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