"""Tests for CSV exporter."""

import pytest
from pathlib import Path
from tempfile import TemporaryDirectory
from src.reporting.csv_exporter import get_csv_exporter, CSVExporter


class TestCSVExporter:
    """Tests for CSVExporter."""
    
    @pytest.fixture
    def exporter(self):
        """Create CSV exporter instance."""
        return get_csv_exporter()
    
    def test_export_trades(self, exporter, mock_database):
        """Test exporting trades."""
        engine, Session = mock_database
        
        with TemporaryDirectory() as tmpdir:
            filepath = Path(tmpdir) / "trades.csv"
            
            # Export (may be empty if no trades)
            result = exporter.export_trades(filepath, paper_trading=True)
            assert isinstance(result, bool)
    
    def test_export_portfolio(self, exporter):
        """Test exporting portfolio."""
        with TemporaryDirectory() as tmpdir:
            filepath = Path(tmpdir) / "portfolio.csv"
            
            result = exporter.export_portfolio(filepath)
            assert isinstance(result, bool)