Set up test harness and create MySQL container.

Cargo.toml

@@ -4,3 +4,5 @@ version = "0.1.0"
 edition = "2024"
 
 [dependencies]
+testcontainers-modules = { version = "0.12", features = ["mysql"] }
+tokio = { version = "1", features = ["macros", "rt-multi-thread"] }

src/lib.rs

@@ -1,14 +1,12 @@
-pub fn add(left: u64, right: u64) -> u64 {
-    left + right
-}
-
-#[cfg(test)]
-mod tests {
-    use super::*;
-
-    #[test]
-    fn it_works() {
-        let result = add(2, 2);
-        assert_eq!(result, 4);
-    }
+#[tokio::test]
+async fn test_mysql() -> Result<(), Box<dyn std::error::Error>> {
+    use testcontainers_modules::{mysql, testcontainers::runners::AsyncRunner};
+    let mysql_instance = mysql::Mysql::default().start().await?;
+    #[allow(unused_variables)]
+    let mysql_url = format!(
+        "mysql://{}:{}/test",
+        mysql_instance.get_host().await?,
+        mysql_instance.get_host_port_ipv4(3306).await?
+    );
+    Ok(())
 }