ibapi 5.4.0

An unofficial Rust client for the Interactive Brokers TWS API: market data, orders, and account data, with async (Tokio) and blocking clients for TWS and IB Gateway.
Documentation 
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use super::*;
use crate::orders::builder::BracketPrices;
use crate::orders::Action;

#[test]
fn valid_buy_bracket() {
    let result = validate_bracket_prices(
        Some(&Action::Buy),
        &BracketPrices {
            entry: 50.0,
            take_profit: 55.0,
            stop_loss: 45.0,
        },
    );
    assert!(result.is_ok());
}

#[test]
fn valid_sell_bracket() {
    let result = validate_bracket_prices(
        Some(&Action::Sell),
        &BracketPrices {
            entry: 50.0,
            take_profit: 45.0,
            stop_loss: 55.0,
        },
    );
    assert!(result.is_ok());
}

#[test]
fn invalid_buy_bracket_take_profit() {
    let result = validate_bracket_prices(
        Some(&Action::Buy),
        &BracketPrices {
            entry: 50.0,
            take_profit: 45.0,
            stop_loss: 45.0,
        },
    );
    assert!(result.is_err());
}

#[test]
fn invalid_buy_bracket_stop_loss() {
    let result = validate_bracket_prices(
        Some(&Action::Buy),
        &BracketPrices {
            entry: 50.0,
            take_profit: 55.0,
            stop_loss: 55.0,
        },
    );
    assert!(result.is_err());
}

#[test]
fn invalid_sell_bracket() {
    let result = validate_bracket_prices(
        Some(&Action::Sell),
        &BracketPrices {
            entry: 50.0,
            take_profit: 55.0,
            stop_loss: 45.0,
        },
    );
    assert!(result.is_err());
}

#[test]
fn stop_price_validation_buy() {
    // Buy stop must be above current price
    assert!(validate_stop_price(&Action::Buy, 55.0, Some(50.0)).is_ok());
    assert!(validate_stop_price(&Action::Buy, 45.0, Some(50.0)).is_err());
}

#[test]
fn stop_price_validation_sell() {
    // Sell stop must be below current price
    assert!(validate_stop_price(&Action::Sell, 45.0, Some(50.0)).is_ok());
    assert!(validate_stop_price(&Action::Sell, 55.0, Some(50.0)).is_err());
}

#[test]
fn stop_price_no_current_price() {
    // Should pass if no current price provided
    assert!(validate_stop_price(&Action::Buy, 55.0, None).is_ok());
    assert!(validate_stop_price(&Action::Sell, 45.0, None).is_ok());
}

#[test]
fn missing_action_validation() {
    let result = validate_bracket_prices(
        None,
        &BracketPrices {
            entry: 50.0,
            take_profit: 55.0,
            stop_loss: 45.0,
        },
    );
    assert!(result.is_err());
    assert!(matches!(result.unwrap_err(), ValidationError::MissingRequiredField("action")));
}

#[test]
fn sell_short_bracket() {
    let result = validate_bracket_prices(
        Some(&Action::SellShort),
        &BracketPrices {
            entry: 50.0,
            take_profit: 45.0,
            stop_loss: 55.0,
        },
    );
    assert!(result.is_ok());
}

#[test]
fn edge_case_equal_prices() {
    // Test when take profit equals entry (invalid)
    let result = validate_bracket_prices(
        Some(&Action::Buy),
        &BracketPrices {
            entry: 50.0,
            take_profit: 50.0,
            stop_loss: 45.0,
        },
    );
    assert!(result.is_err());

    // Test when stop loss equals entry (invalid)
    let result = validate_bracket_prices(
        Some(&Action::Buy),
        &BracketPrices {
            entry: 50.0,
            take_profit: 55.0,
            stop_loss: 50.0,
        },
    );
    assert!(result.is_err());
}

#[test]
fn stop_price_edge_cases() {
    // Test when stop equals current (should be invalid)
    assert!(validate_stop_price(&Action::Buy, 50.0, Some(50.0)).is_err());
    assert!(validate_stop_price(&Action::Sell, 50.0, Some(50.0)).is_err());

    // Test with very small differences
    assert!(validate_stop_price(&Action::Buy, 50.01, Some(50.0)).is_ok());
    assert!(validate_stop_price(&Action::Sell, 49.99, Some(50.0)).is_ok());
}

#[test]
fn bracket_validation_error_messages() {
    let result = validate_bracket_prices(
        Some(&Action::Buy),
        &BracketPrices {
            entry: 50.0,
            take_profit: 45.0,
            stop_loss: 45.0,
        },
    );
    assert!(result.is_err());
    let err = result.unwrap_err();
    assert!(err.to_string().contains("Take profit (45) must be above entry (50)"));

    let result = validate_bracket_prices(
        Some(&Action::Sell),
        &BracketPrices {
            entry: 50.0,
            take_profit: 55.0,
            stop_loss: 55.0,
        },
    );
    assert!(result.is_err());
    let err = result.unwrap_err();
    assert!(err.to_string().contains("Take profit (55) must be below entry (50)"));
}