350 lines
12 KiB
Rust
350 lines
12 KiB
Rust
use redis::{Client, Commands, Connection, RedisResult};
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use std::process::{Child, Command};
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use std::time::Duration;
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use tokio::time::sleep;
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// Helper function to get Redis connection, retrying until successful
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fn get_redis_connection(port: u16) -> Connection {
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let connection_info = format!("redis://127.0.0.1:{}", port);
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let client = Client::open(connection_info).unwrap();
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let mut attempts = 0;
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loop {
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match client.get_connection() {
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Ok(mut conn) => {
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if redis::cmd("PING").query::<String>(&mut conn).is_ok() {
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return conn;
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}
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}
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Err(e) => {
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if attempts >= 20 {
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panic!(
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"Failed to connect to Redis server after 20 attempts: {}",
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e
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);
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}
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}
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}
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attempts += 1;
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std::thread::sleep(Duration::from_millis(100));
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}
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}
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// A guard to ensure the server process is killed when it goes out of scope
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struct ServerProcessGuard {
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process: Child,
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test_dir: String,
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}
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impl Drop for ServerProcessGuard {
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fn drop(&mut self) {
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println!("Killing server process (pid: {})...", self.process.id());
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if let Err(e) = self.process.kill() {
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eprintln!("Failed to kill server process: {}", e);
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}
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match self.process.wait() {
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Ok(status) => println!("Server process exited with: {}", status),
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Err(e) => eprintln!("Failed to wait on server process: {}", e),
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}
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// Clean up the specific test directory
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println!("Cleaning up test directory: {}", self.test_dir);
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if let Err(e) = std::fs::remove_dir_all(&self.test_dir) {
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eprintln!("Failed to clean up test directory: {}", e);
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}
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}
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}
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// Helper to set up the server and return a connection
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fn setup_server() -> (ServerProcessGuard, u16) {
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use std::sync::atomic::{AtomicU16, Ordering};
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static PORT_COUNTER: AtomicU16 = AtomicU16::new(16400);
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let port = PORT_COUNTER.fetch_add(1, Ordering::SeqCst);
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let test_dir = format!("/tmp/herodb_test_{}", port);
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// Clean up previous test data
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if std::path::Path::new(&test_dir).exists() {
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let _ = std::fs::remove_dir_all(&test_dir);
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}
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std::fs::create_dir_all(&test_dir).unwrap();
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// Start the server in a subprocess
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let child = Command::new("cargo")
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.args(&[
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"run",
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"--",
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"--dir",
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&test_dir,
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"--port",
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&port.to_string(),
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"--debug",
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])
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.spawn()
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.expect("Failed to start server process");
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// Create a new guard that also owns the test directory path
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let guard = ServerProcessGuard {
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process: child,
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test_dir,
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};
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// Give the server a moment to start
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std::thread::sleep(Duration::from_millis(500));
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(guard, port)
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}
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async fn cleanup_keys(conn: &mut Connection) {
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let keys: Vec<String> = redis::cmd("KEYS").arg("*").query(conn).unwrap();
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if !keys.is_empty() {
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for key in keys {
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let _: () = redis::cmd("DEL").arg(key).query(conn).unwrap();
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}
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}
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}
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#[tokio::test]
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async fn all_tests() {
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let (_server_guard, port) = setup_server();
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let mut conn = get_redis_connection(port);
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// Run all tests using the same connection
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test_basic_ping(&mut conn).await;
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test_string_operations(&mut conn).await;
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test_incr_operations(&mut conn).await;
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test_hash_operations(&mut conn).await;
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test_expiration(&mut conn).await;
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test_scan_operations(&mut conn).await;
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test_scan_with_count(&mut conn).await;
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test_hscan_operations(&mut conn).await;
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test_transaction_operations(&mut conn).await;
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test_discard_transaction(&mut conn).await;
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test_type_command(&mut conn).await;
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test_config_commands(&mut conn).await;
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test_info_command(&mut conn).await;
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test_error_handling(&mut conn).await;
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}
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async fn test_basic_ping(conn: &mut Connection) {
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cleanup_keys(conn).await;
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let result: String = redis::cmd("PING").query(conn).unwrap();
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assert_eq!(result, "PONG");
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cleanup_keys(conn).await;
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}
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async fn test_string_operations(conn: &mut Connection) {
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cleanup_keys(conn).await;
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let _: () = conn.set("key", "value").unwrap();
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let result: String = conn.get("key").unwrap();
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assert_eq!(result, "value");
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let result: Option<String> = conn.get("noexist").unwrap();
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assert_eq!(result, None);
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let deleted: i32 = conn.del("key").unwrap();
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assert_eq!(deleted, 1);
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let result: Option<String> = conn.get("key").unwrap();
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assert_eq!(result, None);
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cleanup_keys(conn).await;
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}
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async fn test_incr_operations(conn: &mut Connection) {
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cleanup_keys(conn).await;
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let result: i32 = redis::cmd("INCR").arg("counter").query(conn).unwrap();
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assert_eq!(result, 1);
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let result: i32 = redis::cmd("INCR").arg("counter").query(conn).unwrap();
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assert_eq!(result, 2);
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let _: () = conn.set("string", "hello").unwrap();
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let result: RedisResult<i32> = redis::cmd("INCR").arg("string").query(conn);
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assert!(result.is_err());
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cleanup_keys(conn).await;
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}
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async fn test_hash_operations(conn: &mut Connection) {
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cleanup_keys(conn).await;
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let result: i32 = conn.hset("hash", "field1", "value1").unwrap();
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assert_eq!(result, 1);
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let result: String = conn.hget("hash", "field1").unwrap();
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assert_eq!(result, "value1");
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let _: () = conn.hset("hash", "field2", "value2").unwrap();
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let _: () = conn.hset("hash", "field3", "value3").unwrap();
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let result: std::collections::HashMap<String, String> = conn.hgetall("hash").unwrap();
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assert_eq!(result.len(), 3);
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assert_eq!(result.get("field1").unwrap(), "value1");
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assert_eq!(result.get("field2").unwrap(), "value2");
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assert_eq!(result.get("field3").unwrap(), "value3");
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let result: i32 = conn.hlen("hash").unwrap();
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assert_eq!(result, 3);
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let result: bool = conn.hexists("hash", "field1").unwrap();
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assert_eq!(result, true);
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let result: bool = conn.hexists("hash", "noexist").unwrap();
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assert_eq!(result, false);
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let result: i32 = conn.hdel("hash", "field1").unwrap();
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assert_eq!(result, 1);
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let mut result: Vec<String> = conn.hkeys("hash").unwrap();
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result.sort();
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assert_eq!(result, vec!["field2", "field3"]);
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let mut result: Vec<String> = conn.hvals("hash").unwrap();
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result.sort();
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assert_eq!(result, vec!["value2", "value3"]);
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cleanup_keys(conn).await;
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}
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async fn test_expiration(conn: &mut Connection) {
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cleanup_keys(conn).await;
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let _: () = conn.set_ex("expkey", "value", 1).unwrap();
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let result: i32 = conn.ttl("expkey").unwrap();
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assert!(result == 1 || result == 0);
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let result: bool = conn.exists("expkey").unwrap();
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assert_eq!(result, true);
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sleep(Duration::from_millis(1100)).await;
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let result: Option<String> = conn.get("expkey").unwrap();
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assert_eq!(result, None);
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let result: i32 = conn.ttl("expkey").unwrap();
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assert_eq!(result, -2);
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let result: bool = conn.exists("expkey").unwrap();
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assert_eq!(result, false);
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cleanup_keys(conn).await;
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}
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async fn test_scan_operations(conn: &mut Connection) {
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cleanup_keys(conn).await;
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for i in 0..5 {
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let _: () = conn.set(format!("key{}", i), format!("value{}", i)).unwrap();
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}
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let result: (u64, Vec<String>) = redis::cmd("SCAN")
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.arg(0)
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.arg("MATCH")
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.arg("key*")
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.arg("COUNT")
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.arg(10)
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.query(conn)
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.unwrap();
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let (cursor, keys) = result;
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assert_eq!(cursor, 0);
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assert_eq!(keys.len(), 5);
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cleanup_keys(conn).await;
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}
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async fn test_scan_with_count(conn: &mut Connection) {
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cleanup_keys(conn).await;
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for i in 0..15 {
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let _: () = conn.set(format!("scan_key{}", i), i).unwrap();
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}
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let mut cursor = 0;
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let mut all_keys = std::collections::HashSet::new();
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loop {
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let (next_cursor, keys): (u64, Vec<String>) = redis::cmd("SCAN")
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.arg(cursor)
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.arg("MATCH")
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.arg("scan_key*")
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.arg("COUNT")
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.arg(5)
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.query(conn)
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.unwrap();
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for key in keys {
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all_keys.insert(key);
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}
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cursor = next_cursor;
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if cursor == 0 {
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break;
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}
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}
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assert_eq!(all_keys.len(), 15);
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cleanup_keys(conn).await;
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}
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async fn test_hscan_operations(conn: &mut Connection) {
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cleanup_keys(conn).await;
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for i in 0..3 {
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let _: () = conn.hset("testhash", format!("field{}", i), format!("value{}", i)).unwrap();
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}
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let result: (u64, Vec<String>) = redis::cmd("HSCAN")
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.arg("testhash")
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.arg(0)
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.arg("MATCH")
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.arg("*")
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.arg("COUNT")
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.arg(10)
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.query(conn)
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.unwrap();
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let (cursor, fields) = result;
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assert_eq!(cursor, 0);
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assert_eq!(fields.len(), 6);
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cleanup_keys(conn).await;
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}
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async fn test_transaction_operations(conn: &mut Connection) {
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cleanup_keys(conn).await;
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let _: () = redis::cmd("MULTI").query(conn).unwrap();
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let _: () = redis::cmd("SET").arg("key1").arg("value1").query(conn).unwrap();
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let _: () = redis::cmd("SET").arg("key2").arg("value2").query(conn).unwrap();
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let _: Vec<String> = redis::cmd("EXEC").query(conn).unwrap();
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let result: String = conn.get("key1").unwrap();
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assert_eq!(result, "value1");
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let result: String = conn.get("key2").unwrap();
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assert_eq!(result, "value2");
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cleanup_keys(conn).await;
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}
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async fn test_discard_transaction(conn: &mut Connection) {
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cleanup_keys(conn).await;
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let _: () = redis::cmd("MULTI").query(conn).unwrap();
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let _: () = redis::cmd("SET").arg("discard").arg("value").query(conn).unwrap();
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let _: () = redis::cmd("DISCARD").query(conn).unwrap();
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let result: Option<String> = conn.get("discard").unwrap();
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assert_eq!(result, None);
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cleanup_keys(conn).await;
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}
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async fn test_type_command(conn: &mut Connection) {
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cleanup_keys(conn).await;
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let _: () = conn.set("string", "value").unwrap();
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let result: String = redis::cmd("TYPE").arg("string").query(conn).unwrap();
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assert_eq!(result, "string");
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let _: () = conn.hset("hash", "field", "value").unwrap();
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let result: String = redis::cmd("TYPE").arg("hash").query(conn).unwrap();
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assert_eq!(result, "hash");
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let result: String = redis::cmd("TYPE").arg("noexist").query(conn).unwrap();
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assert_eq!(result, "none");
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cleanup_keys(conn).await;
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}
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async fn test_config_commands(conn: &mut Connection) {
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cleanup_keys(conn).await;
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let result: Vec<String> = redis::cmd("CONFIG")
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.arg("GET")
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.arg("databases")
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.query(conn)
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.unwrap();
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assert_eq!(result, vec!["databases", "16"]);
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let result: Vec<String> = redis::cmd("CONFIG")
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.arg("GET")
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.arg("dir")
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.query(conn)
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.unwrap();
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assert_eq!(result[0], "dir");
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assert!(result[1].contains("/tmp/herodb_test_"));
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cleanup_keys(conn).await;
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}
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async fn test_info_command(conn: &mut Connection) {
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cleanup_keys(conn).await;
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let result: String = redis::cmd("INFO").query(conn).unwrap();
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assert!(result.contains("redis_version"));
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let result: String = redis::cmd("INFO").arg("replication").query(conn).unwrap();
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assert!(result.contains("role:master"));
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cleanup_keys(conn).await;
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}
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async fn test_error_handling(conn: &mut Connection) {
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cleanup_keys(conn).await;
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let _: () = conn.set("string", "value").unwrap();
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let result: RedisResult<String> = conn.hget("string", "field");
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assert!(result.is_err());
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let result: RedisResult<String> = redis::cmd("UNKNOWN").query(conn);
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assert!(result.is_err());
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let result: RedisResult<Vec<String>> = redis::cmd("EXEC").query(conn);
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assert!(result.is_err());
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let result: RedisResult<()> = redis::cmd("DISCARD").query(conn);
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assert!(result.is_err());
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cleanup_keys(conn).await;
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} |