// file: crates/ksp-core-lib/tests/public_api.rs
// version: 2

//! Integration tests for the public `ksp-core-lib` error contract.

fn public_result() -> ksp_core_lib::Result<()> {
    let error = ksp_core_lib::Error::new(ksp_core_lib::ErrorCode::new("consumer", "failed"), "consumer failure").with_context("operation", "public_api");
    return std::result::Result::Err(error);
}

#[test]
fn error_contract_is_consumable_from_crate_root() {
    let result = public_result();
    assert!(result.is_err());
    let error = match result {
        std::result::Result::Ok(()) => return,
        std::result::Result::Err(error) => error,
    };
    assert_eq!(error.code(), ksp_core_lib::ErrorCode::new("consumer", "failed"));
    assert_eq!(error.message(), "consumer failure");
    assert_eq!(error.context(), &[ksp_core_lib::ErrorContext::new("operation", "public_api")]);
    assert_eq!(std::string::ToString::to_string(&error), "consumer.failed: consumer failure");
    return;
}