test: add a test case for override_temp_dir (#289)

Stebalien · Jul 29, 2024 · 9825fff · 9825fff
1 parent ce8b147
commit 9825fff
Showing 1 changed file with 15 additions and 0 deletions.
diff --git a/tests/env.rs b/tests/env.rs
@@ -0,0 +1,15 @@
+#![deny(rust_2018_idioms)]
+
+use std::path::Path;
+
+#[test]
+fn test_override_temp_dir() {
+    assert_eq!(tempfile::env::temp_dir(), std::env::temp_dir());
+
+    let new_tmp = Path::new("/tmp/override");
+    tempfile::env::override_temp_dir(&new_tmp).unwrap();
+    assert_eq!(tempfile::env::temp_dir(), new_tmp);
+
+    let new_tmp2 = Path::new("/tmp/override2");
+    tempfile::env::override_temp_dir(new_tmp2).expect_err("override should only be possible once");
+}