use tempfile in test

Cargo.lock

@@ -1721,6 +1721,7 @@ name = "limbo"
 version = "0.0.20"
 dependencies = [
  "limbo_core",
+ "tempfile",
  "thiserror 2.0.12",
  "tokio",
 ]
@@ -3479,9 +3480,9 @@ checksum = "e502f78cdbb8ba4718f566c418c52bc729126ffd16baee5baa718cf25dd5a69a"
 
 [[package]]
 name = "tempfile"
-version = "3.19.1"
+version = "3.20.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7437ac7763b9b123ccf33c338a5cc1bac6f69b45a136c19bdd8a65e3916435bf"
+checksum = "e8a64e3985349f2441a1a9ef0b853f869006c3855f2cda6862a94d26ebb9d6a1"
 dependencies = [
  "fastrand",
  "getrandom 0.3.2",

bindings/rust/Cargo.toml

@@ -14,4 +14,5 @@ limbo_core = { workspace = true, features = ["io_uring"] }
 thiserror = "2.0.9"
 
 [dev-dependencies]
+tempfile = "3.20.0"
 tokio = { version = "1.29.1", features = ["full"] }

bindings/rust/src/lib.rs

@@ -352,13 +352,12 @@ impl<'a> FromIterator<&'a limbo_core::Value> for Row {
 #[cfg(test)]
 mod tests {
     use super::*;
+    use tempfile::NamedTempFile;
 
     #[tokio::test]
     async fn test_database_persistence() -> Result<()> {
-        let db_path = "test_persistence.db";
-        // Ensure a clean state by removing the database file if it exists from a previous run
-        let _ = std::fs::remove_file(db_path);
-        let _ = std::fs::remove_file(format!("{}-wal", db_path));
+        let temp_file = NamedTempFile::new().unwrap();
+        let db_path = temp_file.path().to_str().unwrap();
 
         // First, create the database, a table, and insert some data
         {
@@ -391,18 +390,13 @@ mod tests {
 
         assert!(rows.next().await?.is_none(), "Expected no more rows");
 
-        // Clean up the database file
-        let _ = std::fs::remove_file(db_path);
-        let _ = std::fs::remove_file(format!("{}-wal", db_path));
         Ok(())
     }
 
     #[tokio::test]
     async fn test_database_persistence_many_frames() -> Result<()> {
-        let db_path = "test_persistence_many_frames.db";
-        // Ensure a clean state by removing the database file if it exists from a previous run
-        let _ = std::fs::remove_file(db_path);
-        let _ = std::fs::remove_file(format!("{}-wal", db_path));
+        let temp_file = NamedTempFile::new().unwrap();
+        let db_path = temp_file.path().to_str().unwrap();
 
         const NUM_INSERTS: usize = 100;
         const TARGET_STRING_LEN: usize = 1024; // 1KB
@@ -489,9 +483,6 @@ mod tests {
             ),
         }
 
-        // Clean up the database file
-        let _ = std::fs::remove_file(db_path);
-        let _ = std::fs::remove_file(format!("{}-wal", db_path));
         Ok(())
     }
 }