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#![cfg(not(target_arch = "wasm32"))]
//! `Station::subscribe` continue-on-error semantics and per-stream
//! NotSupported propagation. These tests focus on the API surface that
//! does NOT require a live WS connection.
//!
//! Live live-API regression (Bybit MarketWarning → NotSupported) lives in
//! `subscribe_not_supported_live.rs` and is gated by `--ignored`.
use digdigdig3_station::{
AccountType, ExchangeId, FailedStream, StationError, Stream, SubscribeReport,
SubscriptionSet,
};
#[test]
fn station_error_not_supported_is_distinguishable() {
let e = StationError::StreamNotSupported("bybit: no such kind".into());
assert!(e.is_not_supported(), "StreamNotSupported must report is_not_supported = true");
let e2 = StationError::Subscribe("transport ded".into());
assert!(!e2.is_not_supported(), "Subscribe variant must NOT be is_not_supported");
let e3 = StationError::Core("connect".into());
assert!(!e3.is_not_supported());
}
#[test]
fn subscribe_report_helpers_work_on_empty_report() {
// Direct construction is pub(crate) — we exercise via the public
// shape only. The fields are pub so we can build a synthetic
// SubscribeReport in downstream code; here we just test the methods
// by constructing one through a real path.
//
// For an empty `ok` and empty `failed`, both is_fully_ok() and
// total()==0 must hold. We cannot construct SubscriptionHandle
// directly (its fields are pub(crate)), so this test asserts the
// method contract on a real report — see live tests for that.
// Here we just ensure the type is exported and the API surface
// compiles.
let _ = std::mem::size_of::<SubscribeReport>();
let _ = std::mem::size_of::<FailedStream>();
}
#[tokio::test]
async fn subscribe_empty_set_returns_err() {
use digdigdig3_station::Station;
let station = Station::builder().build().await.expect("Station::build");
let result = station.subscribe(SubscriptionSet::new()).await;
match result {
Err(StationError::Subscribe(msg)) => {
assert!(msg.contains("empty"), "expected 'empty' in error msg, got: {msg}");
}
other => panic!("expected Err(Subscribe), got {other:?}"),
}
}
/// FailedStream carries enough context for a consumer to log/skip without
/// parsing strings. This guards against accidental field removal.
#[test]
fn failed_stream_fields_are_public() {
fn _take(f: FailedStream) -> (ExchangeId, AccountType, String, Stream, StationError) {
(f.exchange, f.account_type, f.symbol, f.stream, f.error)
}
}
/// `add_raw` must accept an exotic instrument ID that would crash
/// `parse_symbol` + `SymbolNormalizer::to_exchange`. The builder itself
/// is normalizer-free; the only test we can run without a live
/// connection is that the SubscriptionSet accepts the string and
/// preserves it verbatim through .len(). The live-subscribe path is
/// covered by tests/subscribe_not_supported_live.rs.
#[test]
fn add_raw_accepts_deribit_option_id() {
let set = SubscriptionSet::new().add_raw(
ExchangeId::Deribit,
"BTC-23MAY26-86000-C",
AccountType::Options,
[Stream::OptionGreeks],
);
assert_eq!(set.len(), 1);
}
#[test]
fn add_and_add_raw_can_mix_in_same_set() {
let set = SubscriptionSet::new()
.add(ExchangeId::Binance, "BTC-USDT", AccountType::Spot, [Stream::Trade])
.add_raw(
ExchangeId::Deribit,
"BTC-23MAY26-86000-C",
AccountType::Options,
[Stream::OptionGreeks],
)
.add_raw(
ExchangeId::Deribit,
"BTC-PERPETUAL",
AccountType::FuturesCross,
[Stream::IndexPrice, Stream::VolatilityIndex],
);
assert_eq!(set.len(), 3);
}