Add some tests for Repo

rust-bindings/rust/src/repo/mod.rs

@@ -140,3 +140,6 @@ impl<O: IsA<Repo> + IsA<glib::Object> + Clone + 'static> RepoExtManual for O {
         }
     }
 }
+
+#[cfg(test)]
+mod tests;

rust-bindings/rust/src/repo/tests.rs

@@ -0,0 +1,14 @@
+use super::*;
+use crate::RepoMode;
+
+#[test]
+fn should_get_repo_mode_from_string() {
+    let mode = Repo::mode_from_string("archive").unwrap();
+    assert_eq!(RepoMode::Archive, mode);
+}
+
+#[test]
+fn should_return_error_for_invalid_repo_mode_string() {
+    let result = Repo::mode_from_string("invalid-repo-mode");
+    assert!(result.is_err());
+}