fix: unblock hdf5 checkpoint tests

Author: edengilbertus

src/io/checkpoint.rs

@@ -1,3 +1,5 @@
+#![allow(non_local_definitions)]
+
 use std::path::Path;
 use std::time::{SystemTime, UNIX_EPOCH};
 

src/state.rs

@@ -2,6 +2,7 @@ use num_complex::Complex64;
 
 use crate::grid::Grid3;
 
+#[derive(Debug, Clone, PartialEq)]
 pub struct State3 {
     pub psi: Vec<Complex64>,
 }

tests/hdf5_roundtrip.rs

@@ -1,6 +1,7 @@
 #![cfg(feature = "checkpoint-hdf5")]
 
 use std::path::PathBuf;
+use std::time::{SystemTime, UNIX_EPOCH};
 
 use kore::{
     io::{load_checkpoint, save_checkpoint, CURRENT_SCHEMA_VERSION},
@@ -10,7 +11,11 @@ use num_complex::Complex64;
 use tempfile::tempdir;
 
 fn temp_file(name: &str) -> PathBuf {
-    tempdir().unwrap().into_path().join(name)
+    let unique = SystemTime::now()
+        .duration_since(UNIX_EPOCH)
+        .unwrap()
+        .as_nanos();
+    std::env::temp_dir().join(format!("{name}-{unique}.h5"))
 }
 
 #[test]