Function test_chain_detects_cycle

atomic-cli/src/commands/push/helpers.rs:568–576

()

    #[test]
    fn test_chain_detects_cycle() {
        // a → b → a is a corrupt parent chain, not an infinite loop.
        let err =
            build_view_chain("a", parents(&[("a", Some("b")), ("b", Some("a"))])).unwrap_err();
        match err {
            ChainError::Cycle { view } => assert_eq!(view, "a"),
            other => panic!("Expected Cycle, got {:?}", other),
        }
    }

    #[test]
    fn test_chain_detects_self_cycle() {