Initial commit: Crypto trader application

tests/unit/reporting/__init__.py

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+"""Unit tests for reporting."""
+

tests/unit/reporting/test_csv_exporter.py

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+"""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)
+