Function creds_fail_when_keypair_cannot_load

atomic-cli/src/commands/auth.rs:550–566

()

    #[test]
    fn creds_fail_when_keypair_cannot_load() {
        // Identity exists but its signing key can't be loaded — no token can be
        // minted. This stands in for an "expired"/unusable credential, which in
        // this self-signed-JWT model means "cannot sign right now".
        let issue = evaluate_push_credentials(
            Some("alice".to_string()),
            false,
            |_| true,  // identity exists
            |_| false, // keypair unavailable
        );
        assert_eq!(
            issue,
            Some(CredentialIssue::KeypairUnavailable {
                name: "alice".to_string()
            })
        );
    }

    #[test]
    fn credential_issue_messages_are_actionable() {