fidc-backtest-engine/crates/fidc-core/src/manual_execution/tests.rs

use super::*;
use serde_json::{Value, json};

fn sample() -> ManualExecutionReplay {
    let fill = json!({"tradeId":"trade-1","observationEventId":"received-1","observationSequence":1,"tradeDate":"2026-09-14","executedAt":"2026-09-14T01:30:00Z",
        "feeObservationEventId":"received-1","feeObservationSequence":1,"feeObservedAt":"2026-09-14T01:30:01Z",
        "observedAt":"2026-09-14T01:30:01Z","timestampPrecision":"second","quantity":100,
        "price":"10.1234567891","commission":"0.1000001","stampTax":"0","transferFee":"0.02","totalFee":"0.1200001"});
    let mut input:ManualExecutionReplay=serde_json::from_value(json!({
        "schema":MANUAL_REPLAY_SCHEMA,"runtimeId":"runtime-1","accountId":"account-1",
        "sourceContractSha256":"a".repeat(64),"contentSha256":"", "observationCutoff":"2026-09-14T08:00:00Z",
        "actions":[{"actionId":"action-1","source":"manual_security_trade","auditEventIds":["audit-1"],
            "confirmedAt":"2026-09-14T01:30:00.500Z","confirmationObservedAt":"2026-09-14T01:30:00.550Z","outcome":"orders_terminal","orders":[{
                "orderId":"order-1","brokerOrderId":"broker-1","sourceAdapter":"gt-api","symbol":"000001.SZ","side":"Buy","quantity":100,
                "orderCreatedAt":"2026-09-14T01:30:00.600Z","terminalObservedAt":"2026-09-14T01:30:00.900Z","terminalStatus":"filled",
                "fills":[fill]
            }]}]
    })).unwrap();
    reseal(&mut input);
    input
}

fn reseal(input: &mut ManualExecutionReplay) {
    input.content_sha256 = input.content_digest().unwrap();
}

fn delayed_buy_replay() -> ManualExecutionReplay {
    let mut input = sample();
    let template = input.actions[0].clone();
    input.actions.clear();
    for (index, side, executed, observed, price, fee) in [
        (
            0,
            OrderSide::Buy,
            "2026-09-14T01:30:00Z",
            "2026-09-14T01:30:01Z",
            "20",
            "0.25",
        ),
        (
            1,
            OrderSide::Buy,
            "2026-09-11T06:00:00Z",
            "2026-09-14T01:30:02Z",
            "10",
            "0.75",
        ),
        (
            2,
            OrderSide::Sell,
            "2026-09-14T01:31:00Z",
            "2026-09-14T01:31:01Z",
            "10",
            "0.5",
        ),
        (
            3,
            OrderSide::Sell,
            "2026-09-14T01:32:00Z",
            "2026-09-14T01:32:01Z",
            "10",
            "0.5",
        ),
    ] {
        let executed: DateTime<Utc> = executed.parse().unwrap();
        let observed: DateTime<Utc> = observed.parse().unwrap();
        let mut action = template.clone();
        action.action_id = format!("action-{index}");
        action.audit_event_ids = vec![format!("audit-{index}")];
        action.confirmed_at = executed - chrono::Duration::seconds(2);
        action.confirmation_observed_at = action.confirmed_at;
        let order = &mut action.orders[0];
        order.order_id = format!("order-{index}");
        order.broker_order_id = Some(format!("broker-{index}"));
        order.side = side;
        order.order_created_at = executed - chrono::Duration::seconds(1);
        order.terminal_observed_at = observed;
        let fill = &mut order.fills[0];
        fill.trade_id = format!("trade-{index}");
        fill.observation_event_id = format!("receipt-{index}");
        fill.observation_sequence = index + 1;
        fill.fee_observation_event_id = fill.observation_event_id.clone();
        fill.fee_observation_sequence = fill.observation_sequence;
        fill.trade_date = executed
            .with_timezone(&FixedOffset::east_opt(8 * 3600).unwrap())
            .date_naive();
        fill.executed_at = executed;
        fill.observed_at = observed;
        fill.fee_observed_at = observed;
        fill.price = price.parse().unwrap();
        fill.commission = None;
        fill.stamp_tax = None;
        fill.transfer_fee = None;
        fill.total_fee = fee.parse().unwrap();
        input.actions.push(action);
    }
    reseal(&mut input);
    input.validate().unwrap();
    input
}

#[test]
fn late_buy_retains_the_earliest_opening_and_latest_buy_dates() {
    let mut cursor = ManualReplayCursor::new(delayed_buy_replay()).unwrap();
    let data = identity_data(NaiveDate::from_ymd_opt(2020, 1, 1).unwrap());
    let mut portfolio = PortfolioState::new(10000.);
    let applications = cursor
        .advance(
            "2026-09-14T01:30:02Z".parse().unwrap(),
            &mut portfolio,
            &data,
            false,
        )
        .unwrap();
    assert_eq!(
        applications
            .iter()
            .map(|row| row.trade_id.as_str())
            .collect::<Vec<_>>(),
        ["trade-0", "trade-1"]
    );
    let position = portfolio.position("000001.SZ").unwrap();
    assert_eq!(position.opened_date(), NaiveDate::from_ymd_opt(2026, 9, 11));
    assert_eq!(
        position.last_buy_date(),
        NaiveDate::from_ymd_opt(2026, 9, 14)
    );
    assert_eq!(position.quantity, 200);
    let calendar = crate::TradingCalendar::new(
        [11, 14, 15, 16, 17, 18]
            .map(|day| NaiveDate::from_ymd_opt(2026, 9, day).unwrap())
            .into(),
    );
    let evidence = crate::holding_policy::HoldingLifecycleEvidence {
        has_position: true,
        opened_date: position.opened_date(),
        last_buy_date: position.last_buy_date(),
        last_sell_date: None,
    };
    let mut policy = crate::holding_policy::AutomaticTradeProtection {
        max_holding_days: 1,
        ..Default::default()
    };
    assert!(
        policy
            .evaluate(
                "000001.SZ",
                NaiveDate::from_ymd_opt(2026, 9, 14).unwrap(),
                &evidence,
                &calendar
            )
            .unwrap()
            .max_holding_exit
    );
    policy.buy_protection_days = 3;
    for day in [14, 15, 16, 17] {
        let permission = policy
            .evaluate(
                "000001.SZ",
                NaiveDate::from_ymd_opt(2026, 9, day).unwrap(),
                &evidence,
                &calendar,
            )
            .unwrap();
        assert_eq!(permission.sell_denial, Some("buy_fill_protection"));
        assert!(!permission.max_holding_exit);
    }
    assert!(
        policy
            .evaluate(
                "000001.SZ",
                NaiveDate::from_ymd_opt(2026, 9, 18).unwrap(),
                &evidence,
                &calendar
            )
            .unwrap()
            .max_holding_exit
    );
}

#[test]
fn late_buy_fifo_depletion_preserves_costs_and_cannot_unlock_today_lots() {
    let mut cursor = ManualReplayCursor::new(delayed_buy_replay()).unwrap();
    let data = identity_data(NaiveDate::from_ymd_opt(2020, 1, 1).unwrap());
    let mut portfolio = PortfolioState::new(10000.);
    let applications = cursor
        .advance(
            "2026-09-14T01:31:01Z".parse().unwrap(),
            &mut portfolio,
            &data,
            false,
        )
        .unwrap();
    assert_eq!(applications.len(), 3);
    let position = portfolio.position("000001.SZ").unwrap();
    assert_eq!(position.quantity, 100);
    assert_eq!(position.unrealized_pnl(), -1000.25);
    assert_eq!(
        position.sellable_qty(NaiveDate::from_ymd_opt(2026, 9, 14).unwrap()),
        0
    );
    assert_eq!(position.realized_pnl(), -0.75);
    assert_eq!(portfolio.cash(), 7998.5);
    assert_eq!(portfolio.external_cash_flow_total(), 0.);
    assert!(
        cursor
            .advance(
                "2026-09-14T01:32:01Z".parse().unwrap(),
                &mut portfolio,
                &data,
                false
            )
            .unwrap_err()
            .contains("T+1")
    );
    assert_eq!(cursor.applied_count(), 3);
    assert_eq!(portfolio.cash(), 7998.5);
    assert_eq!(portfolio.position("000001.SZ").unwrap().quantity, 100);
}
fn semantic_result(input: &ManualExecutionReplay) -> Result<(), String> {
    let mut input = input.clone();
    reseal(&mut input);
    input.validate()
}

#[test]
fn complete_exact_decimal_evidence_allows_later_observation_and_retains_source_digits() {
    let input = sample();
    input.validate().unwrap();
    let fill = &input.actions[0].orders[0].fills[0];
    assert_eq!(fill.gross_amount().unwrap().to_string(), "1012.3456789100");
    assert_eq!(fill.total_fees().unwrap().to_string(), "0.1200001");
    assert_eq!(
        serde_json::to_value(&input).unwrap()["actions"][0]["orders"][0]["fills"][0]["price"],
        "10.1234567891"
    );
}

#[test]
fn data_scope_only_contains_actual_filled_securities_and_validates_the_source() {
    let mut input = sample();
    let mut rejected = input.actions[0].orders[0].clone();
    rejected.order_id = "rejected-order".into();
    rejected.broker_order_id = None;
    rejected.source_adapter = None;
    rejected.symbol = "510300.SH".into();
    rejected.terminal_status = ManualOrderTerminalStatus::Rejected;
    rejected.fills.clear();
    input.actions[0].orders.push(rejected);
    reseal(&mut input);
    assert_eq!(
        input.required_data_symbols().unwrap(),
        BTreeSet::from(["000001.SZ".into()])
    );
    input.actions[0].orders[0].symbol = "600000.SH".into();
    assert!(input.required_data_symbols().is_err());
}

#[test]
fn v2_facts_keep_their_encoding_but_cannot_silently_carry_new_runtime_settings() {
    let mut input = sample();
    input.schema = "fidc.observed-manual-executions/v2".into();
    reseal(&mut input);
    input.validate().unwrap();
    let old = serde_json::to_value(&input).unwrap();
    assert!(old.get("positionExposureEvents").is_none());
    assert!(old.get("legacyPositionExposureBps").is_none());
    input
        .legacy_position_exposure_bps
        .insert(NaiveDate::from_ymd_opt(2026, 9, 14).unwrap(), 5000);
    reseal(&mut input);
    assert!(input.validate().is_err());
    input.schema = MANUAL_REPLAY_SCHEMA.into();
    reseal(&mut input);
    input.validate().unwrap();
}

#[test]
fn runtime_position_events_cannot_claim_observations_after_the_source_cutoff() {
    let mut input = sample();
    input.position_exposure_events.push(serde_json::from_value(json!({
        "eventId": "position-event", "sequence": 1, "effectiveAt": input.observation_cutoff,
        "action": "scale", "requestedBps": 5000
    })).unwrap());
    semantic_result(&input).unwrap();
    input.position_exposure_events[0].effective_at += chrono::Duration::nanoseconds(1);
    assert!(semantic_result(&input).unwrap_err().contains("after the evidence cutoff"));
}

#[test]
fn all_required_money_and_binding_fields_reject_missing_or_wrong_values() {
    let original = serde_json::to_value(sample()).unwrap();
    for field in ["price", "totalFee"] {
        let mut missing = original.clone();
        missing["actions"][0]["orders"][0]["fills"][0]
            .as_object_mut()
            .unwrap()
            .remove(field);
        assert!(
            serde_json::from_value::<ManualExecutionReplay>(missing).is_err(),
            "{field}"
        );
        let mut numeric = original.clone();
        numeric["actions"][0]["orders"][0]["fills"][0][field] = json!(1.1);
        assert!(
            serde_json::from_value::<ManualExecutionReplay>(numeric).is_err(),
            "numeric {field}"
        );
    }
    for mutate in [
        ("schema", json!("unknown")),
        ("sourceContractSha256", json!("broken")),
        ("accountId", json!(" ")),
    ] {
        let mut value = original.clone();
        value[mutate.0] = mutate.1;
        assert!(
            semantic_result(&serde_json::from_value::<ManualExecutionReplay>(value).unwrap())
                .is_err()
        );
    }
}

#[test]
fn inconsistent_counts_terminals_audits_and_duplicate_facts_are_rejected() {
    let original = sample();
    let mut invalid = original.clone();
    invalid.actions[0].orders[0].quantity = 200;
    assert!(semantic_result(&invalid).is_err());
    let mut invalid = original.clone();
    invalid.actions[0].orders[0].terminal_status = ManualOrderTerminalStatus::Rejected;
    assert!(semantic_result(&invalid).is_err());
    let mut invalid = original.clone();
    invalid.actions[0].audit_event_ids.clear();
    assert!(semantic_result(&invalid).is_err());
    let mut invalid = original.clone();
    invalid.actions.push(invalid.actions[0].clone());
    assert!(semantic_result(&invalid).is_err());
    let mut invalid = original.clone();
    let duplicate = invalid.actions[0].orders[0].fills[0].clone();
    invalid.actions[0].orders[0].fills.push(duplicate);
    assert!(semantic_result(&invalid).is_err());
    let mut invalid = original.clone();
    invalid.actions[0].orders[0].broker_order_id = None;
    assert!(semantic_result(&invalid).is_err());
    invalid.actions[0].orders[0].source_adapter = Some("paper".into());
    reseal(&mut invalid);
    invalid.validate().unwrap();
}

#[test]
fn source_time_precision_is_not_invented_and_submitted_time_must_fit_the_interval() {
    let mut input = sample();
    input.actions[0].orders[0].order_created_at = "2026-09-14T01:30:00.999999Z".parse().unwrap();
    input.actions[0].orders[0].terminal_observed_at = "2026-09-14T01:30:01.500Z".parse().unwrap();
    input.actions[0].orders[0].fills[0].observed_at = "2026-09-14T01:30:02Z".parse().unwrap();
    input.actions[0].orders[0].fills[0].fee_observed_at =
        input.actions[0].orders[0].fills[0].observed_at;
    reseal(&mut input);
    input.validate().unwrap();
    input.actions[0].orders[0].order_created_at = "2026-09-14T01:30:01Z".parse().unwrap();
    assert!(semantic_result(&input).is_err());
    let mut input = sample();
    input.actions[0].orders[0].fills[0].executed_at = "2026-09-14T01:30:00.800Z".parse().unwrap();
    assert!(semantic_result(&input).is_err());
    input.actions[0].orders[0].fills[0].timestamp_precision = ManualTimestampPrecision::Millisecond;
    reseal(&mut input);
    input.validate().unwrap();
    input.actions[0].orders[0].fills[0].executed_at =
        "2026-09-14T01:30:00.800001Z".parse().unwrap();
    assert!(semantic_result(&input).is_err());
}

#[test]
fn confirmed_no_order_outcome_is_distinct_from_unconfirmed_or_unknown_work() {
    let mut input = sample();
    input.actions[0].orders.clear();
    assert!(semantic_result(&input).is_err());
    input.actions[0].outcome = ManualActionOutcome::NoOrdersNeeded;
    reseal(&mut input);
    input.validate().unwrap();
    input.actions[0].outcome = ManualActionOutcome::NotExecuted;
    reseal(&mut input);
    input.validate().unwrap();
    let mut value = serde_json::to_value(input).unwrap();
    value["actions"][0]["outcome"] = json!("result_unknown");
    assert!(serde_json::from_value::<ManualExecutionReplay>(value).is_err());
}

#[test]
fn raw_timezone_and_cutoff_are_required() {
    let mut value = serde_json::to_value(sample()).unwrap();
    value["actions"][0]["orders"][0]["fills"][0]["executedAt"] = json!("2026-09-14T09:30:00");
    assert!(serde_json::from_value::<ManualExecutionReplay>(value).is_err());
    let mut input = sample();
    input.observation_cutoff = "2026-09-14T01:30:00.700Z".parse().unwrap();
    assert!(semantic_result(&input).is_err());
    let mut value = serde_json::to_value(sample()).unwrap();
    value["actions"][0]["orders"][0]["fills"][0]["totalFee"] = Value::Null;
    assert!(serde_json::from_value::<ManualExecutionReplay>(value).is_err());
}

#[test]
fn authoritative_total_fee_does_not_require_inventing_unknown_components() {
    let mut input = sample();
    let fill = &mut input.actions[0].orders[0].fills[0];
    fill.commission = None;
    fill.stamp_tax = None;
    fill.transfer_fee = None;
    assert_eq!(
        fill.total_fees().unwrap(),
        "0.1200001".parse::<Decimal>().unwrap()
    );
    assert!(semantic_result(&input).is_ok());
    let value = serde_json::to_value(&input).unwrap();
    assert!(value["actions"][0]["orders"][0]["fills"][0]["commission"].is_null());
    assert_eq!(
        value["actions"][0]["orders"][0]["fills"][0]["totalFee"],
        "0.1200001"
    );
    for field in ["commission", "stampTax", "transferFee"] {
        let mut numeric = value.clone();
        numeric["actions"][0]["orders"][0]["fills"][0][field] = json!(0.1);
        assert!(serde_json::from_value::<ManualExecutionReplay>(numeric).is_err());
    }
}

#[test]
fn manual_fee_total_includes_extra_charges_and_rejects_inconsistent_components() {
    let mut input = sample();
    input.actions[0].orders[0].fills[0].total_fee = "0.15".parse().unwrap();
    assert!(semantic_result(&input).is_ok());
    assert_eq!(
        input.actions[0].orders[0].fills[0]
            .total_fees()
            .unwrap()
            .to_string(),
        "0.15"
    );
    input.actions[0].orders[0].fills[0].total_fee = "0.1".parse().unwrap();
    assert!(semantic_result(&input).is_err());
    input.actions[0].orders[0].fills[0].total_fee = "0.15".parse().unwrap();
    input.actions[0].orders[0].fills[0].commission = Some(Decimal::NEGATIVE_ONE);
    assert!(semantic_result(&input).is_err());
}

#[test]
fn late_fee_evidence_keeps_the_original_fill_observation_clock() {
    let data = identity_data(NaiveDate::from_ymd_opt(2020, 1, 1).unwrap());
    let mut input = sample();
    let fill = &mut input.actions[0].orders[0].fills[0];
    let original = fill.observed_at;
    fill.fee_observation_event_id = "fee-receipt-1".into();
    fill.fee_observation_sequence = 2;
    fill.fee_observed_at = original + chrono::Duration::hours(1);
    let fee_time = fill.fee_observed_at;
    reseal(&mut input);
    let mut cursor = ManualReplayCursor::new(input).unwrap();
    assert_eq!(cursor.next_observation_at(), Some(original));
    let mut portfolio = PortfolioState::new(10_000.);
    let result = cursor
        .advance(original, &mut portfolio, &data, false)
        .unwrap();
    assert_eq!(result.len(), 1);
    assert_eq!(result[0].observed_at, original);
    assert_eq!(result[0].fee_observed_at, fee_time);
    assert_eq!(result[0].source_total_fee, "0.1200001");
    assert!(
        cursor
            .advance(fee_time, &mut portfolio, &data, false)
            .unwrap()
            .is_empty()
    );
}

#[test]
fn changing_any_external_price_or_identity_invalidates_the_frozen_trace() {
    let input = sample();
    let original = input.content_sha256.clone();
    let mut changed = input.clone();
    changed.actions[0].orders[0].fills[0].price += Decimal::ONE;
    assert_ne!(changed.content_digest().unwrap(), original);
    assert_eq!(
        changed.validate().unwrap_err(),
        "manual replay content digest mismatch"
    );
    let mut changed = input;
    changed.account_id = "another-account".into();
    assert_ne!(changed.content_digest().unwrap(), original);
    assert!(changed.validate().is_err());
}

fn identity_data(listed: NaiveDate) -> DataSet {
    DataSet::from_components(
        vec![crate::Instrument {
            symbol: "000001.SZ".into(),
            name: "test".into(),
            board: "SZ".into(),
            round_lot: 100,
            listed_at: Some(listed),
            delisted_at: None,
            status: "active".into(),
        }],
        vec![],
        vec![],
        vec![],
        vec![crate::BenchmarkSnapshot {
            date: listed,
            benchmark: "000300.SH".into(),
            open: 100.,
            close: 100.,
            prev_close: 100.,
            volume: 0,
        }],
    )
    .unwrap()
}

#[test]
fn confirmed_manual_fill_changes_cash_and_lots_but_not_external_cash_flow_units() {
    let input = sample();
    let observations = input.observations().unwrap();
    let data = identity_data(NaiveDate::from_ymd_opt(2020, 1, 1).unwrap());
    let mut account = PortfolioState::new(10_000.);
    let applied = observations[0].apply(&mut account, &data, false).unwrap();
    assert_eq!(
        applied.gross,
        FixedMoney::from_decimal_str("1012.345679").unwrap()
    );
    assert_eq!(applied.fees, FixedMoney::from_decimal_str("0.12").unwrap());
    assert_eq!(account.cash(), 8987.534321);
    assert_eq!(account.position("000001.SZ").unwrap().quantity, 100);
    assert_eq!(
        account
            .position("000001.SZ")
            .unwrap()
            .sellable_qty(input.actions[0].orders[0].fills[0].trade_date),
        0
    );
    assert_eq!(account.external_cash_flow_total(), 0.);
    assert_eq!(account.starting_cash(), 10_000.);
}

#[test]
fn manual_mismatches_are_atomic_and_do_not_borrow_shares_cash_or_override_pending_orders() {
    let data = identity_data(NaiveDate::from_ymd_opt(2020, 1, 1).unwrap());
    let input = sample();
    let observations = input.observations().unwrap();
    let mut poor = PortfolioState::new(10.);
    assert!(observations[0].apply(&mut poor, &data, false).is_err());
    assert_eq!(poor.cash(), 10.);
    assert!(poor.positions().is_empty());
    let mut account = PortfolioState::new(10_000.);
    assert!(observations[0].apply(&mut account, &data, true).is_err());
    assert_eq!(account.cash(), 10_000.);
    assert!(account.positions().is_empty());
    observations[0].apply(&mut account, &data, false).unwrap();
    let before = account.cash();
    let mut sell = input.clone();
    sell.actions[0].orders[0].side = OrderSide::Sell;
    reseal(&mut sell);
    assert!(
        sell.observations().unwrap()[0]
            .apply(&mut account, &data, false)
            .unwrap_err()
            .contains("T+1")
    );
    assert_eq!(account.cash(), before);
    assert_eq!(account.position("000001.SZ").unwrap().quantity, 100);
    let unlisted = identity_data(NaiveDate::from_ymd_opt(2027, 1, 1).unwrap());
    assert!(
        observations[0]
            .apply(&mut account, &unlisted, false)
            .unwrap_err()
            .contains("lifecycle")
    );
    assert_eq!(account.cash(), before);
}

#[test]
fn the_next_day_manual_sale_keeps_the_actual_quantity_and_fee_contract() {
    let data = identity_data(NaiveDate::from_ymd_opt(2020, 1, 1).unwrap());
    let input = sample();
    let mut account = PortfolioState::new(10_000.);
    input.observations().unwrap()[0]
        .apply(&mut account, &data, false)
        .unwrap();
    let mut sell = input.clone();
    let order = &mut sell.actions[0].orders[0];
    order.side = OrderSide::Sell;
    order.order_created_at += chrono::Duration::days(1);
    order.terminal_observed_at += chrono::Duration::days(1);
    order.fills[0].trade_date = order.fills[0].trade_date.succ_opt().unwrap();
    order.fills[0].executed_at += chrono::Duration::days(1);
    order.fills[0].observed_at += chrono::Duration::days(1);
    order.fills[0].fee_observed_at += chrono::Duration::days(1);
    sell.observation_cutoff += chrono::Duration::days(1);
    reseal(&mut sell);
    let applied = sell.observations().unwrap()[0]
        .apply(&mut account, &data, false)
        .unwrap();
    assert_eq!(applied.quantity_after, 0);
    assert_eq!(account.cash(), 9999.76);
    assert_eq!(account.external_cash_flow_total(), 0.);
}

#[test]
fn observations_follow_durable_receipt_order_and_not_input_array_order() {
    let mut input = sample();
    let mut second = input.actions[0].orders[0].fills[0].clone();
    second.trade_id = "trade-2".into();
    second.observation_event_id = "received-2".into();
    second.observation_sequence = 2;
    second.fee_observation_event_id = "received-2".into();
    second.fee_observation_sequence = 2;
    input.actions[0].orders[0].quantity = 200;
    input.actions[0].orders[0].fills.insert(0, second);
    reseal(&mut input);
    assert_eq!(
        input
            .observations()
            .unwrap()
            .iter()
            .map(|row| row.fill.observation_sequence)
            .collect::<Vec<_>>(),
        vec![1, 2]
    );
    let mut invalid = input.clone();
    invalid.actions[0].orders[0].fills[0].observation_sequence = 1;
    assert!(
        semantic_result(&invalid)
            .unwrap_err()
            .contains("observation")
    );
    let mut invalid = input;
    invalid.actions[0].orders[0].fills[0].observation_event_id = "received-1".into();
    assert!(
        semantic_result(&invalid)
            .unwrap_err()
            .contains("observation")
    );
}

#[test]
fn partial_cancel_is_valid_but_full_fill_cannot_be_reported_as_cancelled() {
    let mut input = sample();
    input.actions[0].orders[0].quantity = 200;
    input.actions[0].orders[0].terminal_status = ManualOrderTerminalStatus::Cancelled;
    semantic_result(&input).unwrap();
    input.actions[0].orders[0].quantity = 100;
    assert!(
        semantic_result(&input)
            .unwrap_err()
            .contains("terminal status")
    );
}

#[test]
fn cursor_waits_for_observation_and_never_reapplies_or_rewinds() {
    let input = sample();
    let at = input.actions[0].orders[0].fills[0].observed_at;
    let mut replay = ManualReplayCursor::new(input).unwrap();
    let data = identity_data(NaiveDate::from_ymd_opt(2020, 1, 1).unwrap());
    let mut account = PortfolioState::new(10_000.);
    assert_eq!(replay.next_observation_at(), Some(at));
    assert!(
        replay
            .advance(
                at - chrono::Duration::milliseconds(1),
                &mut account,
                &data,
                false
            )
            .unwrap()
            .is_empty()
    );
    assert_eq!(account.cash(), 10_000.);
    let records = replay.advance(at, &mut account, &data, false).unwrap();
    assert_eq!(records.len(), 1);
    assert_eq!(records[0].cash_delta, "-1012.465679");
    assert_eq!(replay.applied_count(), 1);
    assert_eq!(replay.next_observation_at(), None);
    let cash = account.cash();
    assert!(
        replay
            .advance(at, &mut account, &data, false)
            .unwrap()
            .is_empty()
    );
    assert_eq!(account.cash(), cash);
    assert!(
        replay
            .advance(
                at - chrono::Duration::seconds(1),
                &mut account,
                &data,
                false
            )
            .unwrap_err()
            .contains("backwards")
    );
}

#[test]
fn failed_multi_receipt_advance_keeps_both_progress_and_portfolio_unchanged() {
    let mut input = sample();
    let mut next = input.actions[0].orders[0].fills[0].clone();
    next.trade_id = "trade-2".into();
    next.observation_event_id = "received-2".into();
    next.observation_sequence = 2;
    next.fee_observation_event_id = "received-2".into();
    next.fee_observation_sequence = 2;
    input.actions[0].orders[0].quantity = 200;
    input.actions[0].orders[0].fills.push(next);
    reseal(&mut input);
    let at = input.actions[0].orders[0].fills[0].observed_at;
    let mut replay = ManualReplayCursor::new(input).unwrap();
    let data = identity_data(NaiveDate::from_ymd_opt(2020, 1, 1).unwrap());
    let mut account = PortfolioState::new(1_500.);
    assert!(replay.advance(at, &mut account, &data, false).is_err());
    assert_eq!(account.cash(), 1_500.);
    assert!(account.positions().is_empty());
    assert_eq!(replay.applied_count(), 0);
    assert_eq!(replay.next_observation_at(), Some(at));
}

#[test]
fn fixed_money_decimal_text_preserves_micro_units_without_float_conversion() {
    for text in [
        "0",
        "100",
        "-100",
        "0.000001",
        "-0.000001",
        "12345678901234567890123456.123456",
    ] {
        assert_eq!(
            FixedMoney::from_decimal_str(text)
                .unwrap()
                .to_decimal_string(),
            text
        );
    }
    let min = FixedMoney::from_raw(i128::MIN);
    assert!(min.to_decimal_string().starts_with('-'));
}