tests: unify scratch dir logic

1 files changed, 3 insertions, 10 deletions

diff --git a/src/identity.rs b/src/identity.rs
index 93d8739..96e524e 100644
--- a/src/identity.rs
+++ b/src/identity.rs
@@ -129,18 +129,11 @@ pub(crate) fn is_node_id(id: &str) -> bool {
 #[cfg(test)]
 mod tests {
     use super::*;
-
-    fn scratch(name: &str) -> std::path::PathBuf {
-        let dir =
-            std::env::temp_dir().join(format!("continuum-identity-{name}-{}", std::process::id()));
-        let _ = std::fs::remove_dir_all(&dir);
-        std::fs::create_dir_all(&dir).unwrap();
-        dir
-    }
+    use crate::files::scratch_dir;
 
     #[test]
     fn created_only_when_asked_and_then_kept() {
-        let path = scratch("create").join("node.key");
+        let path = scratch_dir("identity-create").join("node.key");
         assert!(NodeKey::load(&path, false).is_err());
         assert!(!path.exists());
 
@@ -160,7 +153,7 @@ mod tests {
 
     #[test]
     fn a_key_of_the_wrong_size_is_refused() {
-        let path = scratch("size").join("node.key");
+        let path = scratch_dir("identity-size").join("node.key");
         std::fs::write(&path, [7u8; 16]).unwrap();
         assert!(NodeKey::load(&path, true).is_err());
     }