test: add simple tests to improve coverage

ci-tests/tests/testers/correct_errors.py

@@ -22,8 +22,19 @@ def _run_pile_named_config_test(self):
         result = self.run_hoard("validate", allow_failure=True, capture_output=True)
         assert b'expected "config" to be a pile config: at ["hoards", "invalid_named_pile", "config"]' in result.stdout
 
+    def _run_warn_on_invalid_uuid(self):
+        self.reset()
+        invalid_id = "invalid"
+        self.uuid = invalid_id
+        result = self.run_hoard("backup", capture_output=True)
+        assert self.uuid != invalid_id
+        assert b'failed to parse uuid in file' in result.stdout
+
     def run_test(self):
         self._run_missing_parent_test()
         self._run_pile_named_config_test()
         self._run_env_string_named_config_test()
-        self._run_hoard_named_config_test()
+        self._run_hoard_named_config_test()
+        self._run_warn_on_invalid_uuid()
+
+

src/checkers/history/last_paths.rs

@@ -363,6 +363,36 @@ mod tests {
         assert_eq!(last_paths.0.len(), 0);
     }
 
+    #[test]
+    fn test_from_pathbuf() {
+        let path = PathBuf::from("/test/path");
+        let pile_paths = PilePaths::from(path.clone());
+        assert_eq!(pile_paths, PilePaths::Anonymous(Some(path)));
+    }
+
+    #[test]
+    fn test_from_some_pathbuf() {
+        let path = PathBuf::from("/test/path");
+        let pile_paths = PilePaths::from(Some(path.clone()));
+        assert_eq!(pile_paths, PilePaths::Anonymous(Some(path)));
+    }
+
+    #[test]
+    fn test_from_none_pathbuf() {
+        let pile_paths = PilePaths::from(None);
+        assert_eq!(pile_paths, PilePaths::Anonymous(None));
+    }
+
+    #[test]
+    fn test_from_hashmap() {
+        let map = hashmap! {
+            "first".into() => PathBuf::from("/first"),
+            "second".into() => PathBuf::from("/second"),
+        };
+        let pile_paths = PilePaths::from(map.clone());
+        assert_eq!(pile_paths, PilePaths::Named(map));
+    }
+
     #[test]
     fn test_lastpaths_get_set_hoard() {
         let hoard_paths = anonymous_hoard_paths();