1 files changed, 13 insertions, 0 deletions

diff --git a/tests/tofu.rs b/tests/tofu.rs
index b644cc4..a26995f 100644
--- a/tests/tofu.rs
+++ b/tests/tofu.rs
@@ -133,3 +133,16 @@ fn fingerprint_roundtrip_in_client_db() {
     client_database::forget_host(&conn, "host1").unwrap();
     assert_eq!(client_database::get_fingerprint(&conn, "host1"), None);
 }
+
+#[test]
+fn a_changed_key_error_names_both_fingerprints() {
+    let error = zagan_bet::client::transport::TransportError::KeyChanged {
+        expected: "aaaa".to_string(),
+        observed: "bbbb".to_string(),
+    };
+    let text = error.to_string();
+
+    assert!(text.contains("HOST KEY CHANGED"), "{text}");
+    assert!(text.contains("aaaa"), "{text}");
+    assert!(text.contains("bbbb"), "{text}");
+}