File size: 1,925 Bytes
59da845 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 | #[cfg(test)]
mod tests {
use crate::compiler::lexer::Lexer;
use crate::compiler::lexer::Token;
use crate::engine::backtester::{Backtester, BacktestConfig, OrderType};
#[test]
fn test_mql5_lexer() {
let code = r#"
double input lotSize = 0.1;
void OnTick() {
OrderSend("EURUSD", OP_BUY, lotSize, Ask, 10, 0, 0);
}
"#;
// This is just a structural test that the lexer doesn't panic and returns tokens
let result = Lexer::tokenize(code);
assert!(result.is_ok());
let (_, tokens) = result.unwrap();
assert!(!tokens.is_empty());
assert!(tokens.contains(&Token::Double));
assert!(tokens.contains(&Token::Input));
assert!(tokens.contains(&Token::Identifier("lotSize".to_string())));
}
#[test]
fn test_backtest_engine_equity() {
let config = BacktestConfig {
initial_deposit: 10000.0,
leverage: 100.0,
spread_modifier: 0,
};
let mut bt = Backtester::new(config);
// Simulate feed: Bid=1.00000, Ask=1.00010
bt.update_tick("EURUSD", 1.00000, 1.00010);
let ticket = bt.market_order("EURUSD", OrderType::Buy, 1.0, None, None, "10:00".to_string()).unwrap();
// Price goes up 10 pips: Bid=1.00100, Ask=1.00110
bt.update_tick("EURUSD", 1.00100, 1.00110);
// We bought at Ask (1.00010), current Bid is 1.00100. Diff = +0.00090
// Profit = 0.00090 * 100000 * 1.0 = $90.00
assert!(bt.equity > 10080.0 && bt.equity < 10100.0);
// Close position
bt.close_position(ticket, "10:05".to_string()).unwrap();
assert!(bt.balance > 10080.0 && bt.balance < 10100.0);
assert_eq!(bt.open_positions.len(), 0);
assert_eq!(bt.history.len(), 1);
}
}
|