"""Tests for the report formatter."""
from decimal import Decimal

from backtester.engine import BacktestResult
from backtester.reporter import format_report


def test_format_report_contains_key_metrics():
    result = BacktestResult(
        strategy_name="sma_crossover",
        symbol="BTCUSDT",
        total_trades=10,
        initial_balance=Decimal("10000"),
        final_balance=Decimal("11500"),
        profit=Decimal("1500"),
        profit_pct=Decimal("15"),
        trades=[],
    )
    report = format_report(result)

    assert "sma_crossover" in report
    assert "BTCUSDT" in report
    assert "10000" in report
    assert "11500" in report
    assert "1500" in report
    assert "15" in report