Files
fidc-backtest-engine/crates/fidc-core/tests/engine_hooks.rs
2026-04-23 19:29:12 -07:00

2000 lines
63 KiB
Rust

use std::cell::RefCell;
use std::collections::{BTreeMap, BTreeSet};
use std::rc::Rc;
use chrono::{NaiveDate, NaiveDateTime};
use fidc_core::{
BacktestConfig, BacktestEngine, BenchmarkSnapshot, BrokerSimulator, CandidateEligibility,
ChinaAShareCostModel, ChinaEquityRuleHooks, DailyFactorSnapshot, DailyMarketSnapshot, DataSet,
Instrument, IntradayExecutionQuote, OrderIntent, PriceField, ProcessEventKind, ScheduleRule,
ScheduleStage, ScheduleTimeRule, Strategy, StrategyContext, StrategyDecision,
};
fn d(year: i32, month: u32, day: u32) -> NaiveDate {
NaiveDate::from_ymd_opt(year, month, day).expect("valid date")
}
fn dt(year: i32, month: u32, day: u32, hour: u32, minute: u32, second: u32) -> NaiveDateTime {
d(year, month, day)
.and_hms_opt(hour, minute, second)
.expect("valid datetime")
}
struct HookProbeStrategy {
log: Rc<RefCell<Vec<String>>>,
}
impl Strategy for HookProbeStrategy {
fn name(&self) -> &str {
"hook-probe"
}
fn before_trading(
&mut self,
ctx: &StrategyContext<'_>,
) -> Result<(), fidc_core::BacktestError> {
self.log
.borrow_mut()
.push(format!("before:{}", ctx.execution_date));
Ok(())
}
fn open_auction(
&mut self,
ctx: &StrategyContext<'_>,
) -> Result<StrategyDecision, fidc_core::BacktestError> {
self.log
.borrow_mut()
.push(format!("auction:{}", ctx.execution_date));
Ok(StrategyDecision::default())
}
fn on_day(
&mut self,
ctx: &StrategyContext<'_>,
) -> Result<StrategyDecision, fidc_core::BacktestError> {
self.log
.borrow_mut()
.push(format!("on_day:{}", ctx.execution_date));
Ok(StrategyDecision {
rebalance: false,
target_weights: BTreeMap::new(),
exit_symbols: BTreeSet::new(),
order_intents: Vec::new(),
notes: Vec::new(),
diagnostics: Vec::new(),
})
}
fn after_trading(&mut self, ctx: &StrategyContext<'_>) -> Result<(), fidc_core::BacktestError> {
self.log
.borrow_mut()
.push(format!("after:{}", ctx.execution_date));
Ok(())
}
fn on_settlement(&mut self, ctx: &StrategyContext<'_>) -> Result<(), fidc_core::BacktestError> {
self.log
.borrow_mut()
.push(format!("settlement:{}", ctx.execution_date));
Ok(())
}
}
struct AuctionOrderStrategy {
saw_quantity_in_on_day: Rc<RefCell<Option<u32>>>,
}
impl Strategy for AuctionOrderStrategy {
fn name(&self) -> &str {
"auction-order"
}
fn open_auction(
&mut self,
_ctx: &StrategyContext<'_>,
) -> Result<StrategyDecision, fidc_core::BacktestError> {
Ok(StrategyDecision {
rebalance: false,
target_weights: BTreeMap::new(),
exit_symbols: BTreeSet::new(),
order_intents: vec![fidc_core::OrderIntent::Value {
symbol: "000001.SZ".to_string(),
value: 1_000.0,
reason: "auction_buy".to_string(),
}],
notes: Vec::new(),
diagnostics: Vec::new(),
})
}
fn on_day(
&mut self,
ctx: &StrategyContext<'_>,
) -> Result<StrategyDecision, fidc_core::BacktestError> {
let quantity = ctx
.portfolio
.position("000001.SZ")
.map(|position| position.quantity)
.unwrap_or(0);
*self.saw_quantity_in_on_day.borrow_mut() = Some(quantity);
Ok(StrategyDecision::default())
}
}
struct ScheduledProbeStrategy {
log: Rc<RefCell<Vec<String>>>,
process_log: Rc<RefCell<Vec<String>>>,
}
struct ProcessContextProbeStrategy {
snapshots: Rc<RefCell<Vec<String>>>,
}
struct LimitCarryStrategy {
issued: bool,
}
struct UniverseDirectiveStrategy {
snapshots: Rc<RefCell<Vec<String>>>,
}
struct TickProbeStrategy {
seen_ticks: Rc<RefCell<Vec<String>>>,
ordered: bool,
}
struct DataApiProbeStrategy {
target_date: NaiveDate,
snapshots: Rc<RefCell<Vec<String>>>,
}
impl Strategy for ScheduledProbeStrategy {
fn name(&self) -> &str {
"scheduled-probe"
}
fn on_process_event(
&mut self,
_ctx: &StrategyContext<'_>,
event: &fidc_core::ProcessEvent,
) -> Result<(), fidc_core::BacktestError> {
self.process_log
.borrow_mut()
.push(format!("{:?}:{}", event.kind, event.detail));
Ok(())
}
fn schedule_rules(&self) -> Vec<ScheduleRule> {
vec![
ScheduleRule::daily("daily_before_trading", ScheduleStage::BeforeTrading)
.with_time_rule(ScheduleTimeRule::before_trading()),
ScheduleRule::daily("daily_market_open", ScheduleStage::OpenAuction)
.with_time_rule(ScheduleTimeRule::market_open(0, 0)),
ScheduleRule::weekly_by_weekday("friday_on_day", 5, ScheduleStage::OnDay)
.with_time_rule(ScheduleTimeRule::physical_time(10, 18)),
ScheduleRule::monthly("first_trading_day_on_day", 1, ScheduleStage::OnDay)
.with_time_rule(ScheduleTimeRule::physical_time(10, 18)),
]
}
fn on_scheduled(
&mut self,
ctx: &StrategyContext<'_>,
rule: &ScheduleRule,
) -> Result<StrategyDecision, fidc_core::BacktestError> {
self.log
.borrow_mut()
.push(format!("scheduled:{}:{}", rule.name, ctx.execution_date));
Ok(StrategyDecision::default())
}
fn on_day(
&mut self,
_ctx: &StrategyContext<'_>,
) -> Result<StrategyDecision, fidc_core::BacktestError> {
Ok(StrategyDecision::default())
}
}
impl Strategy for LimitCarryStrategy {
fn name(&self) -> &str {
"limit-carry"
}
fn on_day(
&mut self,
_ctx: &StrategyContext<'_>,
) -> Result<StrategyDecision, fidc_core::BacktestError> {
if self.issued {
return Ok(StrategyDecision::default());
}
self.issued = true;
Ok(StrategyDecision {
rebalance: false,
target_weights: BTreeMap::new(),
exit_symbols: BTreeSet::new(),
order_intents: vec![OrderIntent::LimitShares {
symbol: "000001.SZ".to_string(),
quantity: 200,
limit_price: 9.8,
reason: "carry_limit".to_string(),
}],
notes: Vec::new(),
diagnostics: Vec::new(),
})
}
}
impl Strategy for ProcessContextProbeStrategy {
fn name(&self) -> &str {
"process-context-probe"
}
fn on_process_event(
&mut self,
ctx: &StrategyContext<'_>,
_event: &fidc_core::ProcessEvent,
) -> Result<(), fidc_core::BacktestError> {
self.snapshots.borrow_mut().push(format!(
"{}:{}:{}",
ctx.current_process_event_kind(),
ctx.latest_process_event_kind(),
ctx.process_event_count()
));
Ok(())
}
fn on_day(
&mut self,
_ctx: &StrategyContext<'_>,
) -> Result<StrategyDecision, fidc_core::BacktestError> {
Ok(StrategyDecision::default())
}
}
impl Strategy for UniverseDirectiveStrategy {
fn name(&self) -> &str {
"universe-directive-probe"
}
fn on_day(
&mut self,
ctx: &StrategyContext<'_>,
) -> Result<StrategyDecision, fidc_core::BacktestError> {
let eligible = ctx
.eligible_universe_on(ctx.execution_date)
.into_iter()
.map(|row| row.symbol)
.collect::<Vec<_>>()
.join(",");
self.snapshots.borrow_mut().push(format!(
"{}:{}:{}:{}",
ctx.execution_date,
ctx.dynamic_universe_count(),
ctx.subscription_count(),
eligible
));
let order_intents = match ctx.execution_date {
date if date == d(2025, 1, 2) => vec![
OrderIntent::UpdateUniverse {
symbols: BTreeSet::from(["000002.SZ".to_string()]),
reason: "focus_single_symbol".to_string(),
},
OrderIntent::Subscribe {
symbols: BTreeSet::from(["000001.SZ".to_string()]),
reason: "subscribe_probe".to_string(),
},
],
date if date == d(2025, 1, 3) => vec![OrderIntent::Unsubscribe {
symbols: BTreeSet::from(["000001.SZ".to_string()]),
reason: "unsubscribe_probe".to_string(),
}],
_ => Vec::new(),
};
Ok(StrategyDecision {
rebalance: false,
target_weights: BTreeMap::new(),
exit_symbols: BTreeSet::new(),
order_intents,
notes: Vec::new(),
diagnostics: Vec::new(),
})
}
}
impl Strategy for TickProbeStrategy {
fn name(&self) -> &str {
"tick-probe"
}
fn on_day(
&mut self,
_ctx: &StrategyContext<'_>,
) -> Result<StrategyDecision, fidc_core::BacktestError> {
Ok(StrategyDecision {
rebalance: false,
target_weights: BTreeMap::new(),
exit_symbols: BTreeSet::new(),
order_intents: vec![OrderIntent::Subscribe {
symbols: BTreeSet::from(["000001.SZ".to_string()]),
reason: "subscribe_tick_probe".to_string(),
}],
notes: Vec::new(),
diagnostics: Vec::new(),
})
}
fn on_tick(
&mut self,
ctx: &StrategyContext<'_>,
quote: &IntradayExecutionQuote,
) -> Result<StrategyDecision, fidc_core::BacktestError> {
let visible_last = ctx
.history_bars(&quote.symbol, 9, "tick", "last", true)
.iter()
.map(|value| format!("{value:.2}"))
.collect::<Vec<_>>()
.join(",");
let previous_last = ctx
.history_bars(&quote.symbol, 9, "tick", "last", false)
.iter()
.map(|value| format!("{value:.2}"))
.collect::<Vec<_>>()
.join(",");
self.seen_ticks.borrow_mut().push(format!(
"{}:{}:{}:visible={visible_last}:previous={previous_last}",
quote.symbol,
quote.timestamp.time(),
ctx.is_subscribed(&quote.symbol)
));
if self.ordered {
return Ok(StrategyDecision::default());
}
self.ordered = true;
Ok(StrategyDecision {
rebalance: false,
target_weights: BTreeMap::new(),
exit_symbols: BTreeSet::new(),
order_intents: vec![OrderIntent::Shares {
symbol: quote.symbol.clone(),
quantity: 100,
reason: "tick_buy".to_string(),
}],
notes: Vec::new(),
diagnostics: Vec::new(),
})
}
}
impl Strategy for DataApiProbeStrategy {
fn name(&self) -> &str {
"data-api-probe"
}
fn on_day(
&mut self,
ctx: &StrategyContext<'_>,
) -> Result<StrategyDecision, fidc_core::BacktestError> {
if ctx.execution_date == self.target_date {
let daily_close = ctx
.history_bars("000001.SZ", 2, "1d", "close", true)
.iter()
.map(|value| format!("{value:.2}"))
.collect::<Vec<_>>()
.join(",");
let previous_close = ctx
.history_bars("000001.SZ", 2, "daily", "close", false)
.iter()
.map(|value| format!("{value:.2}"))
.collect::<Vec<_>>()
.join(",");
let tick_last = ctx
.history_bars("000001.SZ", 2, "1m", "last", true)
.iter()
.map(|value| format!("{value:.2}"))
.collect::<Vec<_>>()
.join(",");
let previous_tick_last = ctx
.history_bars("000001.SZ", 2, "1m", "last", false)
.iter()
.map(|value| format!("{value:.2}"))
.collect::<Vec<_>>()
.join(",");
let current_close = ctx
.current_snapshot("000001.SZ")
.map(|snapshot| format!("{:.2}", snapshot.close))
.unwrap_or_default();
let instrument_name = ctx
.instrument("000001.SZ")
.map(|instrument| instrument.name.clone())
.unwrap_or_default();
let prev_date = ctx
.get_previous_trading_date(ctx.execution_date, 1)
.map(|date| date.to_string())
.unwrap_or_default();
let next_date = ctx
.get_next_trading_date(d(2025, 1, 3), 1)
.map(|date| date.to_string())
.unwrap_or_default();
let trading_date_count = ctx
.get_trading_dates(d(2025, 1, 2), ctx.execution_date)
.len();
self.snapshots.borrow_mut().push(format!(
"daily={daily_close};previous={previous_close};tick={tick_last};previous_tick={previous_tick_last};current={current_close};instrument={instrument_name};all={};range={trading_date_count};prev={prev_date};next={next_date}",
ctx.all_instruments().len()
));
}
Ok(StrategyDecision::default())
}
}
#[test]
fn engine_runs_strategy_hooks_in_daily_order() {
let date1 = d(2025, 1, 2);
let date2 = d(2025, 1, 3);
let data = DataSet::from_components(
vec![Instrument {
symbol: "000001.SZ".to_string(),
name: "Anchor".to_string(),
board: "SZ".to_string(),
round_lot: 100,
listed_at: Some(d(2020, 1, 1)),
delisted_at: None,
status: "active".to_string(),
}],
vec![
DailyMarketSnapshot {
date: date1,
symbol: "000001.SZ".to_string(),
timestamp: Some("2025-01-02 10:18:00".to_string()),
day_open: 10.0,
open: 10.0,
high: 10.0,
low: 10.0,
close: 10.0,
last_price: 10.0,
bid1: 10.0,
ask1: 10.0,
prev_close: 10.0,
volume: 100_000,
tick_volume: 100_000,
bid1_volume: 100_000,
ask1_volume: 100_000,
trading_phase: Some("continuous".to_string()),
paused: false,
upper_limit: 11.0,
lower_limit: 9.0,
price_tick: 0.01,
},
DailyMarketSnapshot {
date: date2,
symbol: "000001.SZ".to_string(),
timestamp: Some("2025-01-03 10:18:00".to_string()),
day_open: 10.1,
open: 10.1,
high: 10.1,
low: 10.1,
close: 10.1,
last_price: 10.1,
bid1: 10.1,
ask1: 10.1,
prev_close: 10.0,
volume: 110_000,
tick_volume: 110_000,
bid1_volume: 110_000,
ask1_volume: 110_000,
trading_phase: Some("continuous".to_string()),
paused: false,
upper_limit: 11.0,
lower_limit: 9.0,
price_tick: 0.01,
},
],
vec![
DailyFactorSnapshot {
date: date1,
symbol: "000001.SZ".to_string(),
market_cap_bn: 20.0,
free_float_cap_bn: 18.0,
pe_ttm: 10.0,
turnover_ratio: Some(1.0),
effective_turnover_ratio: Some(1.0),
extra_factors: BTreeMap::new(),
},
DailyFactorSnapshot {
date: date2,
symbol: "000001.SZ".to_string(),
market_cap_bn: 21.0,
free_float_cap_bn: 19.0,
pe_ttm: 10.0,
turnover_ratio: Some(1.0),
effective_turnover_ratio: Some(1.0),
extra_factors: BTreeMap::new(),
},
],
vec![
CandidateEligibility {
date: date1,
symbol: "000001.SZ".to_string(),
is_st: false,
is_new_listing: false,
is_paused: false,
allow_buy: true,
allow_sell: true,
is_kcb: false,
is_one_yuan: false,
},
CandidateEligibility {
date: date2,
symbol: "000001.SZ".to_string(),
is_st: false,
is_new_listing: false,
is_paused: false,
allow_buy: true,
allow_sell: true,
is_kcb: false,
is_one_yuan: false,
},
],
vec![
BenchmarkSnapshot {
date: date1,
benchmark: "000300.SH".to_string(),
open: 100.0,
close: 100.0,
prev_close: 99.0,
volume: 1_000_000,
},
BenchmarkSnapshot {
date: date2,
benchmark: "000300.SH".to_string(),
open: 101.0,
close: 101.0,
prev_close: 100.0,
volume: 1_100_000,
},
],
)
.expect("dataset");
let log = Rc::new(RefCell::new(Vec::new()));
let strategy = HookProbeStrategy { log: log.clone() };
let broker = BrokerSimulator::new_with_execution_price(
ChinaAShareCostModel::default(),
ChinaEquityRuleHooks::default(),
PriceField::Open,
);
let mut engine = BacktestEngine::new(
data,
strategy,
broker,
BacktestConfig {
initial_cash: 100_000.0,
benchmark_code: "000300.SH".to_string(),
start_date: Some(date1),
end_date: Some(date2),
decision_lag_trading_days: 0,
execution_price_field: PriceField::Open,
},
);
let result = engine.run().expect("backtest succeeds");
assert_eq!(
log.borrow().as_slice(),
[
"before:2025-01-02",
"auction:2025-01-02",
"on_day:2025-01-02",
"after:2025-01-02",
"settlement:2025-01-02",
"before:2025-01-03",
"auction:2025-01-03",
"on_day:2025-01-03",
"after:2025-01-03",
"settlement:2025-01-03",
]
);
assert_eq!(result.process_events.len(), 36);
assert_eq!(
result.process_events[..18]
.iter()
.map(|event| &event.kind)
.collect::<Vec<_>>(),
vec![
&ProcessEventKind::PreBeforeTrading,
&ProcessEventKind::BeforeTrading,
&ProcessEventKind::PostBeforeTrading,
&ProcessEventKind::PreOpenAuction,
&ProcessEventKind::OpenAuction,
&ProcessEventKind::PostOpenAuction,
&ProcessEventKind::PreOnDay,
&ProcessEventKind::OnDay,
&ProcessEventKind::PreBar,
&ProcessEventKind::Bar,
&ProcessEventKind::PostOnDay,
&ProcessEventKind::PostBar,
&ProcessEventKind::PreAfterTrading,
&ProcessEventKind::AfterTrading,
&ProcessEventKind::PostAfterTrading,
&ProcessEventKind::PreSettlement,
&ProcessEventKind::Settlement,
&ProcessEventKind::PostSettlement,
]
);
}
#[test]
fn engine_executes_open_auction_decisions_before_on_day() {
let date = d(2025, 1, 2);
let data = DataSet::from_components(
vec![Instrument {
symbol: "000001.SZ".to_string(),
name: "Anchor".to_string(),
board: "SZ".to_string(),
round_lot: 100,
listed_at: Some(d(2020, 1, 1)),
delisted_at: None,
status: "active".to_string(),
}],
vec![DailyMarketSnapshot {
date,
symbol: "000001.SZ".to_string(),
timestamp: Some("2025-01-02 09:25:00".to_string()),
day_open: 10.0,
open: 10.0,
high: 10.0,
low: 10.0,
close: 10.0,
last_price: 10.0,
bid1: 10.0,
ask1: 10.0,
prev_close: 10.0,
volume: 100_000,
tick_volume: 100_000,
bid1_volume: 100_000,
ask1_volume: 100_000,
trading_phase: Some("open_auction".to_string()),
paused: false,
upper_limit: 11.0,
lower_limit: 9.0,
price_tick: 0.01,
}],
vec![DailyFactorSnapshot {
date,
symbol: "000001.SZ".to_string(),
market_cap_bn: 20.0,
free_float_cap_bn: 18.0,
pe_ttm: 10.0,
turnover_ratio: Some(1.0),
effective_turnover_ratio: Some(1.0),
extra_factors: BTreeMap::new(),
}],
vec![CandidateEligibility {
date,
symbol: "000001.SZ".to_string(),
is_st: false,
is_new_listing: false,
is_paused: false,
allow_buy: true,
allow_sell: true,
is_kcb: false,
is_one_yuan: false,
}],
vec![BenchmarkSnapshot {
date,
benchmark: "000300.SH".to_string(),
open: 100.0,
close: 100.0,
prev_close: 99.0,
volume: 1_000_000,
}],
)
.expect("dataset");
let observed_quantity = Rc::new(RefCell::new(None));
let strategy = AuctionOrderStrategy {
saw_quantity_in_on_day: observed_quantity.clone(),
};
let broker = BrokerSimulator::new_with_execution_price(
ChinaAShareCostModel::default(),
ChinaEquityRuleHooks::default(),
PriceField::DayOpen,
);
let mut engine = BacktestEngine::new(
data,
strategy,
broker,
BacktestConfig {
initial_cash: 10_000.0,
benchmark_code: "000300.SH".to_string(),
start_date: Some(date),
end_date: Some(date),
decision_lag_trading_days: 0,
execution_price_field: PriceField::DayOpen,
},
);
let result = engine.run().expect("backtest run");
assert_eq!(*observed_quantity.borrow(), Some(100));
assert_eq!(result.fills.len(), 1);
assert_eq!(result.fills[0].reason, "auction_buy");
assert_eq!(result.fills[0].quantity, 100);
}
#[test]
fn engine_runs_subscribed_tick_hooks_and_executes_tick_orders() {
let date = d(2025, 1, 2);
let data = DataSet::from_components_with_actions_and_quotes(
vec![Instrument {
symbol: "000001.SZ".to_string(),
name: "Anchor".to_string(),
board: "SZ".to_string(),
round_lot: 100,
listed_at: Some(d(2020, 1, 1)),
delisted_at: None,
status: "active".to_string(),
}],
vec![DailyMarketSnapshot {
date,
symbol: "000001.SZ".to_string(),
timestamp: Some("2025-01-02 10:18:00".to_string()),
day_open: 10.0,
open: 10.0,
high: 10.4,
low: 9.9,
close: 10.3,
last_price: 10.2,
bid1: 10.1,
ask1: 10.2,
prev_close: 10.0,
volume: 100_000,
tick_volume: 100_000,
bid1_volume: 100_000,
ask1_volume: 100_000,
trading_phase: Some("continuous".to_string()),
paused: false,
upper_limit: 11.0,
lower_limit: 9.0,
price_tick: 0.01,
}],
vec![DailyFactorSnapshot {
date,
symbol: "000001.SZ".to_string(),
market_cap_bn: 20.0,
free_float_cap_bn: 18.0,
pe_ttm: 10.0,
turnover_ratio: Some(1.0),
effective_turnover_ratio: Some(1.0),
extra_factors: BTreeMap::new(),
}],
vec![CandidateEligibility {
date,
symbol: "000001.SZ".to_string(),
is_st: false,
is_new_listing: false,
is_paused: false,
allow_buy: true,
allow_sell: true,
is_kcb: false,
is_one_yuan: false,
}],
vec![BenchmarkSnapshot {
date,
benchmark: "000300.SH".to_string(),
open: 100.0,
close: 100.0,
prev_close: 99.0,
volume: 1_000_000,
}],
Vec::new(),
vec![
IntradayExecutionQuote {
date,
symbol: "000001.SZ".to_string(),
timestamp: dt(2025, 1, 2, 10, 18, 0),
last_price: 10.2,
bid1: 10.1,
ask1: 10.2,
bid1_volume: 1_000,
ask1_volume: 1_000,
volume_delta: 1_000,
amount_delta: 10_200.0,
trading_phase: Some("continuous".to_string()),
},
IntradayExecutionQuote {
date,
symbol: "000001.SZ".to_string(),
timestamp: dt(2025, 1, 2, 10, 19, 0),
last_price: 10.3,
bid1: 10.2,
ask1: 10.3,
bid1_volume: 1_000,
ask1_volume: 1_000,
volume_delta: 1_000,
amount_delta: 10_300.0,
trading_phase: Some("continuous".to_string()),
},
],
)
.expect("dataset");
let seen_ticks = Rc::new(RefCell::new(Vec::new()));
let strategy = TickProbeStrategy {
seen_ticks: seen_ticks.clone(),
ordered: false,
};
let broker = BrokerSimulator::new_with_execution_price(
ChinaAShareCostModel::default(),
ChinaEquityRuleHooks::default(),
PriceField::Last,
);
let mut engine = BacktestEngine::new(
data,
strategy,
broker,
BacktestConfig {
initial_cash: 10_000.0,
benchmark_code: "000300.SH".to_string(),
start_date: Some(date),
end_date: Some(date),
decision_lag_trading_days: 0,
execution_price_field: PriceField::Last,
},
);
let result = engine.run().expect("backtest run");
assert_eq!(
seen_ticks.borrow().as_slice(),
[
"000001.SZ:10:18:00:true:visible=10.20:previous=",
"000001.SZ:10:19:00:true:visible=10.20,10.30:previous=10.20"
]
);
assert_eq!(result.fills.len(), 1);
assert_eq!(result.fills[0].reason, "tick_buy");
assert_eq!(result.fills[0].quantity, 100);
assert!(
result
.process_events
.iter()
.any(|event| event.kind == ProcessEventKind::PreTick)
);
assert!(
result
.process_events
.iter()
.any(|event| event.kind == ProcessEventKind::Tick)
);
assert!(
result
.process_events
.iter()
.any(|event| event.kind == ProcessEventKind::PostTick)
);
}
#[test]
fn strategy_context_exposes_rqalpha_style_data_helpers() {
let date1 = d(2025, 1, 2);
let date2 = d(2025, 1, 3);
let date3 = d(2025, 1, 6);
let instrument = Instrument {
symbol: "000001.SZ".to_string(),
name: "Anchor".to_string(),
board: "SZ".to_string(),
round_lot: 100,
listed_at: Some(d(2020, 1, 1)),
delisted_at: None,
status: "active".to_string(),
};
let market = [
(date1, 10.0, 10.0, 10.0, 100_000),
(date2, 10.1, 10.1, 10.0, 110_000),
(date3, 10.2, 10.2, 10.1, 120_000),
]
.into_iter()
.map(
|(date, open, close, prev_close, volume)| DailyMarketSnapshot {
date,
symbol: "000001.SZ".to_string(),
timestamp: Some(format!("{date} 10:18:00")),
day_open: open,
open,
high: close + 0.2,
low: close - 0.2,
close,
last_price: close,
bid1: close - 0.01,
ask1: close + 0.01,
prev_close,
volume,
tick_volume: volume,
bid1_volume: volume,
ask1_volume: volume,
trading_phase: Some("continuous".to_string()),
paused: false,
upper_limit: prev_close * 1.1,
lower_limit: prev_close * 0.9,
price_tick: 0.01,
},
)
.collect::<Vec<_>>();
let factors = [date1, date2, date3]
.into_iter()
.map(|date| DailyFactorSnapshot {
date,
symbol: "000001.SZ".to_string(),
market_cap_bn: 20.0,
free_float_cap_bn: 18.0,
pe_ttm: 10.0,
turnover_ratio: Some(1.0),
effective_turnover_ratio: Some(1.0),
extra_factors: BTreeMap::new(),
})
.collect::<Vec<_>>();
let candidates = [date1, date2, date3]
.into_iter()
.map(|date| CandidateEligibility {
date,
symbol: "000001.SZ".to_string(),
is_st: false,
is_new_listing: false,
is_paused: false,
allow_buy: true,
allow_sell: true,
is_kcb: false,
is_one_yuan: false,
})
.collect::<Vec<_>>();
let benchmarks = [
(date1, 100.0, 99.0),
(date2, 101.0, 100.0),
(date3, 102.0, 101.0),
]
.into_iter()
.map(|(date, close, prev_close)| BenchmarkSnapshot {
date,
benchmark: "000300.SH".to_string(),
open: close,
close,
prev_close,
volume: 1_000_000,
})
.collect::<Vec<_>>();
let quotes = vec![
IntradayExecutionQuote {
date: date2,
symbol: "000001.SZ".to_string(),
timestamp: dt(2025, 1, 3, 14, 30, 0),
last_price: 10.15,
bid1: 10.14,
ask1: 10.15,
bid1_volume: 1000,
ask1_volume: 1000,
volume_delta: 1000,
amount_delta: 10_150.0,
trading_phase: Some("continuous".to_string()),
},
IntradayExecutionQuote {
date: date3,
symbol: "000001.SZ".to_string(),
timestamp: dt(2025, 1, 6, 10, 18, 0),
last_price: 10.25,
bid1: 10.24,
ask1: 10.25,
bid1_volume: 1000,
ask1_volume: 1000,
volume_delta: 1000,
amount_delta: 10_250.0,
trading_phase: Some("continuous".to_string()),
},
IntradayExecutionQuote {
date: date3,
symbol: "000001.SZ".to_string(),
timestamp: dt(2025, 1, 6, 10, 19, 0),
last_price: 10.26,
bid1: 10.25,
ask1: 10.26,
bid1_volume: 1000,
ask1_volume: 1000,
volume_delta: 1000,
amount_delta: 10_260.0,
trading_phase: Some("continuous".to_string()),
},
];
let data = DataSet::from_components_with_actions_and_quotes(
vec![instrument],
market,
factors,
candidates,
benchmarks,
Vec::new(),
quotes,
)
.expect("dataset");
let snapshots = Rc::new(RefCell::new(Vec::new()));
let strategy = DataApiProbeStrategy {
target_date: date3,
snapshots: snapshots.clone(),
};
let broker = BrokerSimulator::new_with_execution_price(
ChinaAShareCostModel::default(),
ChinaEquityRuleHooks::default(),
PriceField::Open,
);
let mut engine = BacktestEngine::new(
data,
strategy,
broker,
BacktestConfig {
initial_cash: 10_000.0,
benchmark_code: "000300.SH".to_string(),
start_date: Some(date1),
end_date: Some(date3),
decision_lag_trading_days: 0,
execution_price_field: PriceField::Open,
},
);
engine.run().expect("backtest run");
assert_eq!(
snapshots.borrow().as_slice(),
[
"daily=10.10,10.20;previous=10.00,10.10;tick=10.15,10.25;previous_tick=10.15;current=10.20;instrument=Anchor;all=1;range=3;prev=2025-01-03;next=2025-01-06"
]
);
}
#[test]
fn engine_rejects_pending_limit_orders_at_market_close() {
let date1 = d(2025, 1, 2);
let date2 = d(2025, 1, 3);
let data = DataSet::from_components(
vec![Instrument {
symbol: "000001.SZ".to_string(),
name: "Anchor".to_string(),
board: "SZ".to_string(),
round_lot: 100,
listed_at: Some(d(2020, 1, 1)),
delisted_at: None,
status: "active".to_string(),
}],
vec![
DailyMarketSnapshot {
date: date1,
symbol: "000001.SZ".to_string(),
timestamp: Some("2025-01-02 10:18:00".to_string()),
day_open: 10.0,
open: 10.0,
high: 10.1,
low: 9.9,
close: 10.0,
last_price: 10.0,
bid1: 10.0,
ask1: 10.0,
prev_close: 10.0,
volume: 100_000,
tick_volume: 100_000,
bid1_volume: 100_000,
ask1_volume: 100_000,
trading_phase: Some("continuous".to_string()),
paused: false,
upper_limit: 11.0,
lower_limit: 9.0,
price_tick: 0.01,
},
DailyMarketSnapshot {
date: date2,
symbol: "000001.SZ".to_string(),
timestamp: Some("2025-01-03 10:18:00".to_string()),
day_open: 9.7,
open: 9.7,
high: 9.8,
low: 9.6,
close: 9.7,
last_price: 9.7,
bid1: 9.7,
ask1: 9.7,
prev_close: 10.0,
volume: 100_000,
tick_volume: 100_000,
bid1_volume: 100_000,
ask1_volume: 100_000,
trading_phase: Some("continuous".to_string()),
paused: false,
upper_limit: 10.67,
lower_limit: 9.0,
price_tick: 0.01,
},
],
vec![
DailyFactorSnapshot {
date: date1,
symbol: "000001.SZ".to_string(),
market_cap_bn: 20.0,
free_float_cap_bn: 18.0,
pe_ttm: 10.0,
turnover_ratio: Some(1.0),
effective_turnover_ratio: Some(1.0),
extra_factors: BTreeMap::new(),
},
DailyFactorSnapshot {
date: date2,
symbol: "000001.SZ".to_string(),
market_cap_bn: 21.0,
free_float_cap_bn: 19.0,
pe_ttm: 10.0,
turnover_ratio: Some(1.0),
effective_turnover_ratio: Some(1.0),
extra_factors: BTreeMap::new(),
},
],
vec![
CandidateEligibility {
date: date1,
symbol: "000001.SZ".to_string(),
is_st: false,
is_new_listing: false,
is_paused: false,
allow_buy: true,
allow_sell: true,
is_kcb: false,
is_one_yuan: false,
},
CandidateEligibility {
date: date2,
symbol: "000001.SZ".to_string(),
is_st: false,
is_new_listing: false,
is_paused: false,
allow_buy: true,
allow_sell: true,
is_kcb: false,
is_one_yuan: false,
},
],
vec![
BenchmarkSnapshot {
date: date1,
benchmark: "000300.SH".to_string(),
open: 100.0,
close: 100.0,
prev_close: 99.0,
volume: 1_000_000,
},
BenchmarkSnapshot {
date: date2,
benchmark: "000300.SH".to_string(),
open: 101.0,
close: 101.0,
prev_close: 100.0,
volume: 1_100_000,
},
],
)
.expect("dataset");
let broker = BrokerSimulator::new_with_execution_price(
ChinaAShareCostModel::default(),
ChinaEquityRuleHooks::default(),
PriceField::Open,
);
let strategy = LimitCarryStrategy { issued: false };
let mut engine = BacktestEngine::new(
data,
strategy,
broker,
BacktestConfig {
initial_cash: 100_000.0,
benchmark_code: "000300.SH".to_string(),
start_date: Some(date1),
end_date: Some(date2),
decision_lag_trading_days: 0,
execution_price_field: PriceField::Open,
},
);
let result = engine.run().expect("backtest run");
assert!(result.fills.is_empty());
assert!(result.holdings_summary.is_empty());
assert!(
result.order_events.iter().any(|event| {
event.date == date1 && event.status == fidc_core::OrderStatus::Pending
})
);
assert!(result.order_events.iter().any(|event| {
event.date == date1
&& event.status == fidc_core::OrderStatus::Rejected
&& event.reason.contains("Market close")
}));
assert!(result.process_events.iter().any(|event| {
event.date == date1 && event.kind == ProcessEventKind::OrderUnsolicitedUpdate
}));
}
#[test]
fn engine_runs_scheduled_rules_for_daily_weekly_and_monthly_triggers() {
let date1 = d(2025, 1, 30);
let date2 = d(2025, 1, 31);
let date3 = d(2025, 2, 3);
let data = DataSet::from_components(
vec![Instrument {
symbol: "000001.SZ".to_string(),
name: "Anchor".to_string(),
board: "SZ".to_string(),
round_lot: 100,
listed_at: Some(d(2020, 1, 1)),
delisted_at: None,
status: "active".to_string(),
}],
vec![
DailyMarketSnapshot {
date: date1,
symbol: "000001.SZ".to_string(),
timestamp: Some("2025-01-30 09:25:00".to_string()),
day_open: 10.0,
open: 10.0,
high: 10.1,
low: 9.9,
close: 10.0,
last_price: 10.0,
bid1: 10.0,
ask1: 10.0,
prev_close: 9.9,
volume: 100_000,
tick_volume: 100_000,
bid1_volume: 100_000,
ask1_volume: 100_000,
trading_phase: Some("open_auction".to_string()),
paused: false,
upper_limit: 11.0,
lower_limit: 9.0,
price_tick: 0.01,
},
DailyMarketSnapshot {
date: date2,
symbol: "000001.SZ".to_string(),
timestamp: Some("2025-01-31 09:25:00".to_string()),
day_open: 10.1,
open: 10.1,
high: 10.2,
low: 10.0,
close: 10.1,
last_price: 10.1,
bid1: 10.1,
ask1: 10.1,
prev_close: 10.0,
volume: 110_000,
tick_volume: 110_000,
bid1_volume: 110_000,
ask1_volume: 110_000,
trading_phase: Some("open_auction".to_string()),
paused: false,
upper_limit: 11.1,
lower_limit: 9.1,
price_tick: 0.01,
},
DailyMarketSnapshot {
date: date3,
symbol: "000001.SZ".to_string(),
timestamp: Some("2025-02-03 09:25:00".to_string()),
day_open: 10.2,
open: 10.2,
high: 10.3,
low: 10.1,
close: 10.2,
last_price: 10.2,
bid1: 10.2,
ask1: 10.2,
prev_close: 10.1,
volume: 120_000,
tick_volume: 120_000,
bid1_volume: 120_000,
ask1_volume: 120_000,
trading_phase: Some("open_auction".to_string()),
paused: false,
upper_limit: 11.2,
lower_limit: 9.2,
price_tick: 0.01,
},
],
vec![
DailyFactorSnapshot {
date: date1,
symbol: "000001.SZ".to_string(),
market_cap_bn: 20.0,
free_float_cap_bn: 18.0,
pe_ttm: 10.0,
turnover_ratio: Some(1.0),
effective_turnover_ratio: Some(1.0),
extra_factors: BTreeMap::new(),
},
DailyFactorSnapshot {
date: date2,
symbol: "000001.SZ".to_string(),
market_cap_bn: 21.0,
free_float_cap_bn: 19.0,
pe_ttm: 10.0,
turnover_ratio: Some(1.0),
effective_turnover_ratio: Some(1.0),
extra_factors: BTreeMap::new(),
},
DailyFactorSnapshot {
date: date3,
symbol: "000001.SZ".to_string(),
market_cap_bn: 22.0,
free_float_cap_bn: 20.0,
pe_ttm: 10.0,
turnover_ratio: Some(1.0),
effective_turnover_ratio: Some(1.0),
extra_factors: BTreeMap::new(),
},
],
vec![
CandidateEligibility {
date: date1,
symbol: "000001.SZ".to_string(),
is_st: false,
is_new_listing: false,
is_paused: false,
allow_buy: true,
allow_sell: true,
is_kcb: false,
is_one_yuan: false,
},
CandidateEligibility {
date: date2,
symbol: "000001.SZ".to_string(),
is_st: false,
is_new_listing: false,
is_paused: false,
allow_buy: true,
allow_sell: true,
is_kcb: false,
is_one_yuan: false,
},
CandidateEligibility {
date: date3,
symbol: "000001.SZ".to_string(),
is_st: false,
is_new_listing: false,
is_paused: false,
allow_buy: true,
allow_sell: true,
is_kcb: false,
is_one_yuan: false,
},
],
vec![
BenchmarkSnapshot {
date: date1,
benchmark: "000300.SH".to_string(),
open: 100.0,
close: 100.0,
prev_close: 99.0,
volume: 1_000_000,
},
BenchmarkSnapshot {
date: date2,
benchmark: "000300.SH".to_string(),
open: 101.0,
close: 101.0,
prev_close: 100.0,
volume: 1_100_000,
},
BenchmarkSnapshot {
date: date3,
benchmark: "000300.SH".to_string(),
open: 102.0,
close: 102.0,
prev_close: 101.0,
volume: 1_200_000,
},
],
)
.expect("dataset");
let log = Rc::new(RefCell::new(Vec::new()));
let process_log = Rc::new(RefCell::new(Vec::new()));
let strategy = ScheduledProbeStrategy {
log: log.clone(),
process_log: process_log.clone(),
};
let broker = BrokerSimulator::new_with_execution_price(
ChinaAShareCostModel::default(),
ChinaEquityRuleHooks::default(),
PriceField::DayOpen,
);
let mut engine = BacktestEngine::new(
data,
strategy,
broker,
BacktestConfig {
initial_cash: 100_000.0,
benchmark_code: "000300.SH".to_string(),
start_date: Some(date1),
end_date: Some(date3),
decision_lag_trading_days: 0,
execution_price_field: PriceField::DayOpen,
},
);
engine.run().expect("backtest run");
assert_eq!(
log.borrow().as_slice(),
[
"scheduled:daily_before_trading:2025-01-30",
"scheduled:daily_market_open:2025-01-30",
"scheduled:first_trading_day_on_day:2025-01-30",
"scheduled:daily_before_trading:2025-01-31",
"scheduled:daily_market_open:2025-01-31",
"scheduled:friday_on_day:2025-01-31",
"scheduled:daily_before_trading:2025-02-03",
"scheduled:daily_market_open:2025-02-03",
"scheduled:first_trading_day_on_day:2025-02-03",
]
);
let process_log = process_log.borrow();
assert!(
process_log.iter().any(|item| {
item == "PreScheduled:scheduled:daily_before_trading:before_trading:pre"
})
);
assert!(
process_log
.iter()
.any(|item| { item == "PostScheduled:scheduled:daily_market_open:open_auction:post" })
);
assert!(
process_log
.iter()
.any(|item| { item == "PreScheduled:scheduled:friday_on_day:on_day:pre" })
);
assert!(
process_log
.iter()
.any(|item| { item == "PostScheduled:scheduled:first_trading_day_on_day:on_day:post" })
);
}
#[test]
fn engine_dispatches_process_events_to_external_bus_listeners() {
let date1 = d(2025, 1, 30);
let date2 = d(2025, 1, 31);
let date3 = d(2025, 2, 3);
let data = DataSet::from_components(
vec![Instrument {
symbol: "000001.SZ".to_string(),
name: "Anchor".to_string(),
board: "SZ".to_string(),
round_lot: 100,
listed_at: Some(d(2020, 1, 1)),
delisted_at: None,
status: "active".to_string(),
}],
vec![
DailyMarketSnapshot {
date: date1,
symbol: "000001.SZ".to_string(),
timestamp: Some("2025-01-30 09:25:00".to_string()),
day_open: 10.0,
open: 10.0,
high: 10.1,
low: 9.9,
close: 10.0,
last_price: 10.0,
bid1: 10.0,
ask1: 10.0,
prev_close: 9.9,
volume: 100_000,
tick_volume: 100_000,
bid1_volume: 100_000,
ask1_volume: 100_000,
trading_phase: Some("open_auction".to_string()),
paused: false,
upper_limit: 11.0,
lower_limit: 9.0,
price_tick: 0.01,
},
DailyMarketSnapshot {
date: date2,
symbol: "000001.SZ".to_string(),
timestamp: Some("2025-01-31 09:25:00".to_string()),
day_open: 10.1,
open: 10.1,
high: 10.2,
low: 10.0,
close: 10.1,
last_price: 10.1,
bid1: 10.1,
ask1: 10.1,
prev_close: 10.0,
volume: 110_000,
tick_volume: 110_000,
bid1_volume: 110_000,
ask1_volume: 110_000,
trading_phase: Some("open_auction".to_string()),
paused: false,
upper_limit: 11.1,
lower_limit: 9.1,
price_tick: 0.01,
},
DailyMarketSnapshot {
date: date3,
symbol: "000001.SZ".to_string(),
timestamp: Some("2025-02-03 09:25:00".to_string()),
day_open: 10.2,
open: 10.2,
high: 10.3,
low: 10.1,
close: 10.2,
last_price: 10.2,
bid1: 10.2,
ask1: 10.2,
prev_close: 10.1,
volume: 120_000,
tick_volume: 120_000,
bid1_volume: 120_000,
ask1_volume: 120_000,
trading_phase: Some("open_auction".to_string()),
paused: false,
upper_limit: 11.2,
lower_limit: 9.2,
price_tick: 0.01,
},
],
vec![
DailyFactorSnapshot {
date: date1,
symbol: "000001.SZ".to_string(),
market_cap_bn: 20.0,
free_float_cap_bn: 18.0,
pe_ttm: 10.0,
turnover_ratio: Some(1.0),
effective_turnover_ratio: Some(1.0),
extra_factors: BTreeMap::new(),
},
DailyFactorSnapshot {
date: date2,
symbol: "000001.SZ".to_string(),
market_cap_bn: 21.0,
free_float_cap_bn: 19.0,
pe_ttm: 10.0,
turnover_ratio: Some(1.0),
effective_turnover_ratio: Some(1.0),
extra_factors: BTreeMap::new(),
},
DailyFactorSnapshot {
date: date3,
symbol: "000001.SZ".to_string(),
market_cap_bn: 22.0,
free_float_cap_bn: 20.0,
pe_ttm: 10.0,
turnover_ratio: Some(1.0),
effective_turnover_ratio: Some(1.0),
extra_factors: BTreeMap::new(),
},
],
vec![
CandidateEligibility {
date: date1,
symbol: "000001.SZ".to_string(),
is_st: false,
is_new_listing: false,
is_paused: false,
allow_buy: true,
allow_sell: true,
is_kcb: false,
is_one_yuan: false,
},
CandidateEligibility {
date: date2,
symbol: "000001.SZ".to_string(),
is_st: false,
is_new_listing: false,
is_paused: false,
allow_buy: true,
allow_sell: true,
is_kcb: false,
is_one_yuan: false,
},
CandidateEligibility {
date: date3,
symbol: "000001.SZ".to_string(),
is_st: false,
is_new_listing: false,
is_paused: false,
allow_buy: true,
allow_sell: true,
is_kcb: false,
is_one_yuan: false,
},
],
vec![
BenchmarkSnapshot {
date: date1,
benchmark: "000300.SH".to_string(),
open: 100.0,
close: 100.0,
prev_close: 99.0,
volume: 1_000_000,
},
BenchmarkSnapshot {
date: date2,
benchmark: "000300.SH".to_string(),
open: 101.0,
close: 101.0,
prev_close: 100.0,
volume: 1_100_000,
},
BenchmarkSnapshot {
date: date3,
benchmark: "000300.SH".to_string(),
open: 102.0,
close: 102.0,
prev_close: 101.0,
volume: 1_200_000,
},
],
)
.expect("dataset");
let log = Rc::new(RefCell::new(Vec::new()));
let process_log = Rc::new(RefCell::new(Vec::new()));
let strategy = ScheduledProbeStrategy { log, process_log };
let broker = BrokerSimulator::new_with_execution_price(
ChinaAShareCostModel::default(),
ChinaEquityRuleHooks::default(),
PriceField::DayOpen,
);
let mut engine = BacktestEngine::new(
data,
strategy,
broker,
BacktestConfig {
initial_cash: 100_000.0,
benchmark_code: "000300.SH".to_string(),
start_date: Some(date1),
end_date: Some(date3),
decision_lag_trading_days: 0,
execution_price_field: PriceField::DayOpen,
},
);
let external_log = Rc::new(RefCell::new(Vec::new()));
engine.add_process_listener(ProcessEventKind::PreScheduled, {
let external_log = external_log.clone();
move |event| {
external_log
.borrow_mut()
.push(format!("{:?}:{}", event.kind, event.detail));
}
});
engine.add_process_listener(ProcessEventKind::PostScheduled, {
let external_log = external_log.clone();
move |event| {
external_log
.borrow_mut()
.push(format!("{:?}:{}", event.kind, event.detail));
}
});
engine.run().expect("backtest run");
let external_log = external_log.borrow();
assert!(
external_log.iter().any(|item| {
item == "PreScheduled:scheduled:daily_before_trading:before_trading:pre"
})
);
assert!(
external_log
.iter()
.any(|item| { item == "PostScheduled:scheduled:first_trading_day_on_day:on_day:post" })
);
}
#[test]
fn engine_applies_dynamic_universe_and_subscription_directives() {
let dates = [d(2025, 1, 2), d(2025, 1, 3), d(2025, 1, 6)];
let snapshots = Rc::new(RefCell::new(Vec::new()));
let strategy = UniverseDirectiveStrategy {
snapshots: snapshots.clone(),
};
let instruments = vec![
Instrument {
symbol: "000001.SZ".to_string(),
name: "One".to_string(),
board: "SZ".to_string(),
round_lot: 100,
listed_at: Some(d(2020, 1, 1)),
delisted_at: None,
status: "active".to_string(),
},
Instrument {
symbol: "000002.SZ".to_string(),
name: "Two".to_string(),
board: "SZ".to_string(),
round_lot: 100,
listed_at: Some(d(2020, 1, 1)),
delisted_at: None,
status: "active".to_string(),
},
];
let markets = dates
.iter()
.flat_map(|date| {
[
DailyMarketSnapshot {
date: *date,
symbol: "000001.SZ".to_string(),
timestamp: Some(format!("{date} 10:18:00")),
day_open: 10.0,
open: 10.0,
high: 10.1,
low: 9.9,
close: 10.0,
last_price: 10.0,
bid1: 9.99,
ask1: 10.01,
prev_close: 9.95,
volume: 100_000,
tick_volume: 5_000,
bid1_volume: 2_000,
ask1_volume: 2_000,
trading_phase: Some("continuous".to_string()),
paused: false,
upper_limit: 11.0,
lower_limit: 9.0,
price_tick: 0.01,
},
DailyMarketSnapshot {
date: *date,
symbol: "000002.SZ".to_string(),
timestamp: Some(format!("{date} 10:18:00")),
day_open: 20.0,
open: 20.0,
high: 20.1,
low: 19.9,
close: 20.0,
last_price: 20.0,
bid1: 19.99,
ask1: 20.01,
prev_close: 19.95,
volume: 100_000,
tick_volume: 5_000,
bid1_volume: 2_000,
ask1_volume: 2_000,
trading_phase: Some("continuous".to_string()),
paused: false,
upper_limit: 22.0,
lower_limit: 18.0,
price_tick: 0.01,
},
]
})
.collect::<Vec<_>>();
let factors = dates
.iter()
.flat_map(|date| {
[
DailyFactorSnapshot {
date: *date,
symbol: "000001.SZ".to_string(),
market_cap_bn: 10.0,
free_float_cap_bn: 8.0,
pe_ttm: 10.0,
turnover_ratio: Some(1.0),
effective_turnover_ratio: Some(1.0),
extra_factors: BTreeMap::new(),
},
DailyFactorSnapshot {
date: *date,
symbol: "000002.SZ".to_string(),
market_cap_bn: 12.0,
free_float_cap_bn: 10.0,
pe_ttm: 12.0,
turnover_ratio: Some(1.0),
effective_turnover_ratio: Some(1.0),
extra_factors: BTreeMap::new(),
},
]
})
.collect::<Vec<_>>();
let candidates = dates
.iter()
.flat_map(|date| {
[
CandidateEligibility {
date: *date,
symbol: "000001.SZ".to_string(),
is_st: false,
is_new_listing: false,
is_paused: false,
allow_buy: true,
allow_sell: true,
is_kcb: false,
is_one_yuan: false,
},
CandidateEligibility {
date: *date,
symbol: "000002.SZ".to_string(),
is_st: false,
is_new_listing: false,
is_paused: false,
allow_buy: true,
allow_sell: true,
is_kcb: false,
is_one_yuan: false,
},
]
})
.collect::<Vec<_>>();
let benchmarks = dates
.iter()
.map(|date| BenchmarkSnapshot {
date: *date,
benchmark: "000852.SH".to_string(),
open: 1000.0,
close: 1000.0,
prev_close: 999.0,
volume: 100_000,
})
.collect::<Vec<_>>();
let data = DataSet::from_components(instruments, markets, factors, candidates, benchmarks)
.expect("dataset");
let broker = BrokerSimulator::new_with_execution_price(
ChinaAShareCostModel::default(),
ChinaEquityRuleHooks::default(),
PriceField::Open,
);
let mut engine = BacktestEngine::new(
data,
strategy,
broker,
BacktestConfig {
initial_cash: 1_000_000.0,
benchmark_code: "000852.SH".to_string(),
start_date: Some(dates[0]),
end_date: Some(dates[2]),
decision_lag_trading_days: 0,
execution_price_field: PriceField::Open,
},
);
let result = engine.run().expect("backtest result");
assert_eq!(
snapshots.borrow().as_slice(),
&[
"2025-01-02:0:0:000001.SZ,000002.SZ",
"2025-01-03:1:1:000002.SZ",
"2025-01-06:1:0:000002.SZ",
]
);
assert!(
result
.process_events
.iter()
.any(|event| event.kind == ProcessEventKind::UniverseUpdated)
);
assert!(
result
.process_events
.iter()
.any(|event| event.kind == ProcessEventKind::UniverseSubscribed)
);
assert!(
result
.process_events
.iter()
.any(|event| event.kind == ProcessEventKind::UniverseUnsubscribed)
);
}
#[test]
fn engine_exposes_current_process_context_to_strategies() {
let date = d(2025, 1, 2);
let data = DataSet::from_components(
vec![Instrument {
symbol: "000001.SZ".to_string(),
name: "Anchor".to_string(),
board: "SZ".to_string(),
round_lot: 100,
listed_at: Some(d(2020, 1, 1)),
delisted_at: None,
status: "active".to_string(),
}],
vec![DailyMarketSnapshot {
date,
symbol: "000001.SZ".to_string(),
timestamp: Some("2025-01-02 10:18:00".to_string()),
day_open: 10.0,
open: 10.0,
high: 10.1,
low: 9.9,
close: 10.0,
last_price: 10.0,
bid1: 10.0,
ask1: 10.0,
prev_close: 9.9,
volume: 100_000,
tick_volume: 100_000,
bid1_volume: 100_000,
ask1_volume: 100_000,
trading_phase: Some("continuous".to_string()),
paused: false,
upper_limit: 11.0,
lower_limit: 9.0,
price_tick: 0.01,
}],
vec![DailyFactorSnapshot {
date,
symbol: "000001.SZ".to_string(),
market_cap_bn: 20.0,
free_float_cap_bn: 18.0,
pe_ttm: 10.0,
turnover_ratio: Some(1.0),
effective_turnover_ratio: Some(1.0),
extra_factors: BTreeMap::new(),
}],
vec![CandidateEligibility {
date,
symbol: "000001.SZ".to_string(),
is_st: false,
is_new_listing: false,
is_paused: false,
allow_buy: true,
allow_sell: true,
is_kcb: false,
is_one_yuan: false,
}],
vec![BenchmarkSnapshot {
date,
benchmark: "000300.SH".to_string(),
open: 100.0,
close: 100.0,
prev_close: 99.0,
volume: 1_000_000,
}],
)
.expect("dataset");
let snapshots = Rc::new(RefCell::new(Vec::new()));
let strategy = ProcessContextProbeStrategy {
snapshots: snapshots.clone(),
};
let broker = BrokerSimulator::new_with_execution_price(
ChinaAShareCostModel::default(),
ChinaEquityRuleHooks::default(),
PriceField::Last,
);
let mut engine = BacktestEngine::new(
data,
strategy,
broker,
BacktestConfig {
initial_cash: 100_000.0,
benchmark_code: "000300.SH".to_string(),
start_date: Some(date),
end_date: Some(date),
decision_lag_trading_days: 0,
execution_price_field: PriceField::Last,
},
);
engine.run().expect("backtest run");
let snapshots = snapshots.borrow();
assert_eq!(
snapshots.first().map(String::as_str),
Some("pre_before_trading:pre_before_trading:1")
);
assert!(snapshots.iter().any(|item| item == "on_day:on_day:8"));
}