// file: crates/ksp-store-lib/tests/feature_mismatch.rs
// version: 3

#![warn(missing_docs)]
#![deny(unreachable_pub)]
#![forbid(unsafe_code)]

//! Feature-selection canaries for known Store backends.

fn poll_ready<T>(future: impl std::future::Future<Output = T>) -> T {
    let mut future = std::boxed::Box::pin(future);
    let waker = std::task::Waker::noop();
    let mut context = std::task::Context::from_waker(waker);
    return match std::future::Future::poll(future.as_mut(), &mut context) {
        std::task::Poll::Ready(value) => value,
        std::task::Poll::Pending => panic!("pre.003 Store feature-dispatch future unexpectedly became pending before any I/O exists"),
    };
}

fn valid_network() -> ksp_store_lib::RawNetworkId {
    return match ksp_store_lib::RawNetworkId::new("devnet") {
        std::result::Result::Ok(value) => value,
        std::result::Result::Err(error) => panic!("valid test network rejected: {error:?}"),
    };
}

fn settings() -> ksp_store_lib::StoreSettings {
    let postgres = ksp_store_lib::PostgresStoreSettings::new(
        "postgresql://operator-supplied-sensitive-value",
        ksp_store_lib::PostgresPoolSettings::default(),
        ksp_store_lib::PostgresTlsMode::Disabled,
        ksp_store_lib::PostgresBootstrapSettings::default(),
    );
    return ksp_store_lib::StoreSettings::with_default_shutdown(valid_network(), ksp_store_lib::StoreBackendSettings::Postgres(postgres));
}

#[cfg(not(feature = "postgres"))]
#[test]
fn pre_003_known_postgres_without_feature_returns_stable_error_before_io() {
    let result = poll_ready(ksp_store_lib::Store::open(settings()));
    let error = result.err();
    assert_eq!(error.map(|value| return value.code()), std::option::Option::Some(ksp_store_lib::ERROR_CODE_BACKEND_NOT_COMPILED));
    return;
}

#[cfg(feature = "postgres")]
#[test]
fn pre_003_compiled_postgres_path_refuses_to_fake_readiness_before_pre_005() {
    let result = poll_ready(ksp_store_lib::Store::open(settings()));
    let error = result.err();
    assert_eq!(error.map(|value| return value.code()), std::option::Option::Some(ksp_store_lib::ERROR_CODE_BACKEND_OPEN_FAILED));
    return;
}