Use only necessary feature and add tests

.github/workflows/test.yml

@@ -10,6 +10,11 @@ on:
 jobs:
   test:
     runs-on: ubuntu-latest
+    services:
+      fluentd:
+        image: fluent/fluentd
+        ports:
+          - 24224:24224
     steps:
       - uses: actions/checkout@v3
       - uses: actions-rs/toolchain@v1

.tagpr

@@ -32,4 +32,4 @@
 [tagpr]
 	vPrefix = true
 	releaseBranch = main
-	versionFile = Cargo.toml
+	versionFile = Cargo.toml,README.md

Cargo.toml

@@ -20,10 +20,13 @@ include = [
 async-trait = "0.1.61"
 base64 = "0.21.0"
 bytes = { version = "1.3.0", features = ["serde"] }
+chrono = "0.4.23"
 crossbeam = "0.8.2"
 log = "0.4.17"
 rmp-serde = "1.1.1"
-serde = {version = "1.0.152", features = ["derive"]}
-# TODO: Remove unneeded features
-tokio = {version = "1.23.0", features = ["full"]}
+serde = { version = "1.0.152", features = ["derive"] }
+tokio = { version = "1.23.0", features = ["net", "time", "io-util", "rt"] }
 uuid = { version = "1.2.2", features = ["v4"] }
+
+[dev-dependencies]
+tokio = { version = "1.23.0", features = ["macros", "rt-multi-thread"] }

README.md

@@ -67,7 +67,7 @@ let client = Client::new(&Config {
     .unwrap();
 ```
 
-### Timeout
+### timeout
 
 Set the timeout value of `std::time::Duration` to connect to the destination. The default is 3 seconds.
 

src/client.rs

@@ -2,7 +2,7 @@
 //!
 //! ## Example
 //!
-//! ```no_run
+//! ```
 //! use tokio_fluent::{Client, Config, FluentClient};
 //! use tokio_fluent::record::{Map, Value};
 //!
@@ -22,7 +22,7 @@
 //! ```
 
 use std::net::SocketAddr;
-use std::time::{Duration, SystemTime};
+use std::time::Duration;
 
 use async_trait::async_trait;
 use base64::{engine::general_purpose, Engine};
@@ -113,24 +113,17 @@ impl Client {
 
         Ok(Self { sender })
     }
-}
 
-#[async_trait]
-impl FluentClient for Client {
-    /// Send a fluent record to the fluentd server.
-    ///
-    /// ## Params:
-    /// `tag` - Event category of a record to send.
-    ///
-    /// `record` - Map object to send as a fluent record.
-    fn send(&self, tag: &'static str, record: Map) -> Result<(), SendError> {
+    fn send_with_time(
+        &self,
+        tag: &'static str,
+        record: Map,
+        timestamp: i64,
+    ) -> Result<(), SendError> {
         let record = Record {
             tag,
             record,
-            timestamp: SystemTime::now()
-                .duration_since(SystemTime::UNIX_EPOCH)
-                .unwrap()
-                .as_secs(),
+            timestamp,
             options: Options {
                 chunk: general_purpose::STANDARD.encode(Uuid::new_v4()),
             },
@@ -141,6 +134,19 @@ impl FluentClient for Client {
                 source: e.to_string(),
             })
     }
+}
+
+#[async_trait]
+impl FluentClient for Client {
+    /// Send a fluent record to the fluentd server.
+    ///
+    /// ## Params:
+    /// `tag` - Event category of a record to send.
+    ///
+    /// `record` - Map object to send as a fluent record.
+    fn send(&self, tag: &'static str, record: Map) -> Result<(), SendError> {
+        self.send_with_time(tag, record, chrono::Local::now().timestamp())
+    }
 
     /// Stop the worker.
     async fn stop(self) -> Result<(), SendError> {
@@ -171,3 +177,74 @@ impl FluentClient for NopClient {
         Ok(())
     }
 }
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn test_send_with_time() {
+        use std::collections::HashMap;
+
+        use chrono::TimeZone;
+
+        use crate::record::Value;
+        use crate::record_map;
+
+        let (sender, receiver) = channel::unbounded();
+        let client = Client { sender };
+
+        let timestamp = chrono::Utc.timestamp_opt(1234567, 0).unwrap().timestamp();
+        let record = record_map!("age".to_string() => 20.into());
+        assert!(
+            client.send_with_time("test", record, timestamp).is_ok(),
+            "failed to send with time"
+        );
+
+        let got = receiver.recv().expect("failed to receive");
+        match got {
+            Message::Record(r) => {
+                assert_eq!(r.tag, "test");
+                assert_eq!(r.record, record_map!("age".to_string() => 20.into()));
+                assert_eq!(r.timestamp, 1234567);
+            }
+            Message::Terminate => unreachable!("got terminate message"),
+        }
+    }
+
+    #[tokio::test]
+    async fn test_stop() {
+        let (sender, receiver) = channel::unbounded();
+        let client = Client { sender };
+        assert!(client.stop().await.is_ok(), "faled to stop");
+
+        let got = receiver.recv().expect("failed to receive");
+        match got {
+            Message::Record(_) => unreachable!("got record message"),
+            Message::Terminate => {}
+        };
+    }
+
+    #[test]
+    fn test_client_drop_sends_terminate() {
+        let (sender, receiver) = channel::unbounded();
+        {
+            Client { sender };
+        }
+        let got = receiver.recv().expect("failed to receive");
+        match got {
+            Message::Record(_) => unreachable!("got record message"),
+            Message::Terminate => {}
+        };
+    }
+
+    #[test]
+    fn test_default_config() {
+        let config: Config = Default::default();
+        assert_eq!(config.addr, "127.0.0.1:24224".parse().unwrap());
+        assert_eq!(config.timeout, Duration::new(3, 0));
+        assert_eq!(config.retry_wait, 500);
+        assert_eq!(config.max_retry, 10);
+        assert_eq!(config.max_retry_wait, 60000);
+    }
+}

src/lib.rs

@@ -2,7 +2,7 @@
 //!
 //! ## Example
 //!
-//! ```no_run
+//! ```
 //! use std::collections::HashMap;
 //!
 //! use tokio_fluent::record_map;

src/record.rs

@@ -31,7 +31,7 @@ impl Map {
 ///
 /// ## Example
 ///
-/// ```rust
+/// ```
 /// use std::collections::HashMap;
 ///
 /// use tokio_fluent::record_map;

src/worker.rs

@@ -4,7 +4,7 @@ use log::warn;
 use rmp_serde::Serializer;
 use serde::{ser::SerializeMap, Deserialize, Serialize};
 use tokio::{
-    io::{AsyncReadExt, AsyncWriteExt},
+    io::{AsyncRead, AsyncReadExt, AsyncWrite, AsyncWriteExt, BufWriter},
     net::TcpStream,
     time::Duration,
 };
@@ -40,7 +40,7 @@ impl std::fmt::Display for Error {
 #[derive(Debug, Serialize)]
 pub struct Record {
     pub tag: &'static str,
-    pub timestamp: u64,
+    pub timestamp: i64,
     pub record: Map,
     pub options: Options,
 }
@@ -72,7 +72,7 @@ struct SerializedRecord {
     chunk: String,
 }
 
-#[derive(Debug, Deserialize)]
+#[derive(Debug, Serialize, Deserialize)]
 struct AckResponse {
     ack: String,
 }
@@ -83,16 +83,19 @@ pub struct RetryConfig {
     pub max_wait: u64,
 }
 
-pub struct Worker {
-    stream: TcpStream,
+pub struct Worker<T = TcpStream> {
+    stream: BufWriter<T>,
     receiver: Receiver<Message>,
     retry_config: RetryConfig,
 }
 
-impl Worker {
-    pub fn new(stream: TcpStream, receiver: Receiver<Message>, retry_config: RetryConfig) -> Self {
+impl<T> Worker<T>
+where
+    T: AsyncWrite + AsyncRead + Unpin,
+{
+    pub fn new(stream: T, receiver: Receiver<Message>, retry_config: RetryConfig) -> Self {
         Self {
-            stream,
+            stream: BufWriter::new(stream),
             receiver,
             retry_config,
         }
@@ -189,3 +192,32 @@ impl Worker {
         }
     }
 }
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[tokio::test]
+    async fn test_read_ack() {
+        let (client, mut server) = tokio::io::duplex(64);
+        let (_, receiver) = channel::unbounded();
+        let retry_config = RetryConfig {
+            initial_wait: 50,
+            max: 13,
+            max_wait: 60000,
+        };
+        let mut worker = Worker::new(client, receiver, retry_config);
+
+        let ack_response = AckResponse {
+            ack: "Mzc4NDQwMzctNGY4Ni00MmI2LWFiYjMtMjk3MGZkNDUzY2Y2".to_string(),
+        };
+        let ack_response = rmp_serde::to_vec(&ack_response).unwrap();
+        server.write_all(&ack_response).await.unwrap();
+
+        let ack = worker.read_ack().await.expect("failed to read ack");
+        assert_eq!(
+            ack.ack,
+            "Mzc4NDQwMzctNGY4Ni00MmI2LWFiYjMtMjk3MGZkNDUzY2Y2".to_string()
+        );
+    }
+}