379 lines
		
	
	
		
			14 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			379 lines
		
	
	
		
			14 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
"""Unit tests for the case_manager module."""
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import unittest
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import tempfile
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import os
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import sqlite3
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from pathlib import Path
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from unittest.mock import patch
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from datetime import datetime
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# Add the src directory to the path
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import sys
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sys.path.insert(0, str(Path(__file__).parent.parent / 'src'))
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from forensictrails.core.case_manager import CaseManager
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from forensictrails.db.database import create_fresh_database
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class TestCaseManager(unittest.TestCase):
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    """Test cases for CaseManager class."""
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    def setUp(self):
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        """Set up test fixtures."""
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        self.temp_dir = tempfile.mkdtemp()
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        self.test_db_path = os.path.join(self.temp_dir, 'test.db')
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        self.schema_path = Path(__file__).parent.parent / 'src' / 'forensictrails' / 'db' / 'schema.sql'
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        # Create a fresh database for testing
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        create_fresh_database(self.test_db_path, self.schema_path)
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        # Create case manager instance
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        self.case_manager = CaseManager(self.test_db_path)
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    def tearDown(self):
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        """Clean up test fixtures."""
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        if hasattr(self, 'case_manager') and hasattr(self.case_manager, 'conn'):
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            self.case_manager.conn.close()
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        if os.path.exists(self.test_db_path):
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            os.remove(self.test_db_path)
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        os.rmdir(self.temp_dir)
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    def test_case_manager_initialization(self):
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        """Test CaseManager initializes correctly."""
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        self.assertEqual(self.case_manager.db_path, self.test_db_path)
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        self.assertIsNotNone(self.case_manager.conn)
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        self.assertIsNotNone(self.case_manager.cursor)
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    def test_create_case(self):
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        """Test creating a new case."""
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        self.case_manager.create_case(
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            case_id='CASE-001',
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            case_title='Test Case',
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            investigator='Detective Smith',
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            classification='Homicide',
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            summary='Test summary'
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        )
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        # Verify case was created
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        case = self.case_manager.get_case('CASE-001')
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        self.assertIsNotNone(case)
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        self.assertEqual(case['case_id'], 'CASE-001')
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        self.assertEqual(case['case_title'], 'Test Case')
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        self.assertEqual(case['investigator'], 'Detective Smith')
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        self.assertEqual(case['classification'], 'Homicide')
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        self.assertEqual(case['summary'], 'Test summary')
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        self.assertEqual(case['status'], 'active')
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    def test_create_case_minimal_fields(self):
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        """Test creating a case with only required fields."""
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        self.case_manager.create_case(
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            case_id='CASE-002',
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            case_title='Minimal Case',
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            investigator='Detective Jones'
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        )
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        case = self.case_manager.get_case('CASE-002')
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        self.assertIsNotNone(case)
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        self.assertEqual(case['case_id'], 'CASE-002')
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        self.assertEqual(case['case_title'], 'Minimal Case')
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        self.assertEqual(case['investigator'], 'Detective Jones')
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        self.assertIsNone(case['classification'])
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        self.assertIsNone(case['summary'])
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    def test_get_case_nonexistent(self):
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        """Test getting a non-existent case returns None."""
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        case = self.case_manager.get_case('NONEXISTENT')
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        self.assertIsNone(case)
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    def test_list_cases_empty(self):
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        """Test listing cases when database is empty."""
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        cases = self.case_manager.list_cases()
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        self.assertEqual(cases, [])
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    def test_list_cases_multiple(self):
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        """Test listing multiple cases."""
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        # Create multiple cases
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        self.case_manager.create_case('CASE-001', 'Case One', 'Detective A')
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        self.case_manager.create_case('CASE-002', 'Case Two', 'Detective B')
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        self.case_manager.create_case('CASE-003', 'Case Three', 'Detective C')
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        cases = self.case_manager.list_cases()
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        self.assertEqual(len(cases), 3)
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        case_ids = [c['case_id'] for c in cases]
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        self.assertIn('CASE-001', case_ids)
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        self.assertIn('CASE-002', case_ids)
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        self.assertIn('CASE-003', case_ids)
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    def test_list_cases_filter_by_status(self):
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        """Test listing cases filtered by status."""
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        self.case_manager.create_case('CASE-001', 'Active Case', 'Detective A')
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        self.case_manager.create_case('CASE-002', 'Another Active', 'Detective B')
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        # Close one case
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        self.case_manager.close_case('CASE-001')
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        # List only active cases
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        active_cases = self.case_manager.list_cases(status='active')
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        self.assertEqual(len(active_cases), 1)
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        self.assertEqual(active_cases[0]['case_id'], 'CASE-002')
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        # List only closed cases
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        closed_cases = self.case_manager.list_cases(status='closed')
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        self.assertEqual(len(closed_cases), 1)
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        self.assertEqual(closed_cases[0]['case_id'], 'CASE-001')
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    def test_list_cases_search_term(self):
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        """Test listing cases with search term."""
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        self.case_manager.create_case('CASE-001', 'Murder Investigation', 'Detective Smith')
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        self.case_manager.create_case('CASE-002', 'Theft Case', 'Detective Jones')
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        self.case_manager.create_case('CASE-003', 'Murder Trial', 'Detective Brown')
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        # Search by title
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        results = self.case_manager.list_cases(search_term='Murder')
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        self.assertEqual(len(results), 2)
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        # Search by investigator
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        results = self.case_manager.list_cases(search_term='Smith')
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        self.assertEqual(len(results), 1)
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        self.assertEqual(results[0]['case_id'], 'CASE-001')
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        # Search by case ID
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        results = self.case_manager.list_cases(search_term='002')
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        self.assertEqual(len(results), 1)
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        self.assertEqual(results[0]['case_id'], 'CASE-002')
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    def test_list_cases_combined_filters(self):
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        """Test listing cases with combined status and search filters."""
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        self.case_manager.create_case('CASE-001', 'Active Murder', 'Detective A')
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        self.case_manager.create_case('CASE-002', 'Active Theft', 'Detective B')
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        self.case_manager.create_case('CASE-003', 'Closed Murder', 'Detective C')
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        self.case_manager.close_case('CASE-003')
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        # Search for "Murder" in active cases only
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        results = self.case_manager.list_cases(status='active', search_term='Murder')
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        self.assertEqual(len(results), 1)
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        self.assertEqual(results[0]['case_id'], 'CASE-001')
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    def test_update_case(self):
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        """Test updating a case."""
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        self.case_manager.create_case('CASE-001', 'Original Title', 'Detective A')
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        result = self.case_manager.update_case(
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            'CASE-001',
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            case_title='Updated Title',
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            classification='Homicide',
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            summary='Updated summary'
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        )
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        self.assertTrue(result)
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        case = self.case_manager.get_case('CASE-001')
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        self.assertEqual(case['case_title'], 'Updated Title')
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        self.assertEqual(case['classification'], 'Homicide')
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        self.assertEqual(case['summary'], 'Updated summary')
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        self.assertEqual(case['investigator'], 'Detective A')  # Unchanged
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    def test_update_case_invalid_fields(self):
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        """Test updating case with invalid fields ignores them."""
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        self.case_manager.create_case('CASE-001', 'Test Case', 'Detective A')
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        result = self.case_manager.update_case(
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            'CASE-001',
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            case_title='Updated Title',
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            invalid_field='Should be ignored'
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        )
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        # Should still work, just ignoring invalid field
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        self.assertTrue(result)
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        case = self.case_manager.get_case('CASE-001')
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        self.assertEqual(case['case_title'], 'Updated Title')
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        self.assertNotIn('invalid_field', case)
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    def test_update_case_no_valid_fields(self):
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        """Test updating case with no valid fields."""
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        self.case_manager.create_case('CASE-001', 'Test Case', 'Detective A')
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        result = self.case_manager.update_case(
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            'CASE-001',
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            invalid_field='Should be ignored'
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        )
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        # Should return None since no valid fields
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        self.assertIsNone(result)
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    def test_update_case_sets_modified_at(self):
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        """Test that updating a case sets modified_at timestamp."""
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        self.case_manager.create_case('CASE-001', 'Test Case', 'Detective A')
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        case_before = self.case_manager.get_case('CASE-001')
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        created_at = case_before['created_at']
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        # Small delay to ensure different timestamp
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        import time
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        time.sleep(0.01)
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        self.case_manager.update_case('CASE-001', case_title='Updated')
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        case_after = self.case_manager.get_case('CASE-001')
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        modified_at = case_after['modified_at']
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        # modified_at should be different from created_at
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        self.assertNotEqual(created_at, modified_at)
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    def test_update_nonexistent_case(self):
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        """Test updating a non-existent case returns False."""
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        result = self.case_manager.update_case(
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            'NONEXISTENT',
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            case_title='Updated Title'
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        )
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        self.assertFalse(result)
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    def test_close_case(self):
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        """Test closing a case."""
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        self.case_manager.create_case('CASE-001', 'Test Case', 'Detective A')
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        result = self.case_manager.close_case('CASE-001')
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        self.assertTrue(result)
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        case = self.case_manager.get_case('CASE-001')
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        self.assertEqual(case['status'], 'closed')
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    def test_archive_case(self):
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        """Test archiving a case."""
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        self.case_manager.create_case('CASE-001', 'Test Case', 'Detective A')
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        result = self.case_manager.archive_case('CASE-001')
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        self.assertTrue(result)
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        case = self.case_manager.get_case('CASE-001')
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        self.assertEqual(case['status'], 'archived')
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    def test_delete_case(self):
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        """Test deleting a case."""
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        self.case_manager.create_case('CASE-001', 'Test Case', 'Detective A')
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        # Verify case exists
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        case = self.case_manager.get_case('CASE-001')
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        self.assertIsNotNone(case)
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        # Delete case
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        result = self.case_manager.delete_case('CASE-001')
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        self.assertTrue(result)
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        # Verify case is gone
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        case = self.case_manager.get_case('CASE-001')
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        self.assertIsNone(case)
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    def test_delete_nonexistent_case(self):
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        """Test deleting a non-existent case returns False."""
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        result = self.case_manager.delete_case('NONEXISTENT')
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        self.assertFalse(result)
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    def test_case_manager_with_default_db_path(self):
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        """Test CaseManager uses config default when no path provided."""
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        with patch('forensictrails.core.case_manager.config') as mock_config:
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            mock_config.database_path = self.test_db_path
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            cm = CaseManager()
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            self.assertEqual(cm.db_path, self.test_db_path)
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            cm.conn.close()
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class TestCaseManagerIntegration(unittest.TestCase):
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    """Integration tests for CaseManager."""
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    def setUp(self):
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        """Set up test fixtures."""
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        self.temp_dir = tempfile.mkdtemp()
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        self.test_db_path = os.path.join(self.temp_dir, 'integration.db')
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        self.schema_path = Path(__file__).parent.parent / 'src' / 'forensictrails' / 'db' / 'schema.sql'
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        create_fresh_database(self.test_db_path, self.schema_path)
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        self.case_manager = CaseManager(self.test_db_path)
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    def tearDown(self):
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        """Clean up test fixtures."""
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        if hasattr(self, 'case_manager') and hasattr(self.case_manager, 'conn'):
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            self.case_manager.conn.close()
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        if os.path.exists(self.test_db_path):
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            os.remove(self.test_db_path)
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        os.rmdir(self.temp_dir)
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    def test_full_case_lifecycle(self):
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        """Test complete case lifecycle: create, update, close, archive, delete."""
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        # Create case
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        self.case_manager.create_case(
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            'CASE-001',
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            'Investigation Case',
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            'Detective Smith',
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            'Robbery',
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            'Initial summary'
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        )
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        # Verify creation
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        case = self.case_manager.get_case('CASE-001')
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        self.assertEqual(case['status'], 'active')
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        # Update case
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        self.case_manager.update_case(
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            'CASE-001',
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            summary='Updated with new findings'
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        )
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        case = self.case_manager.get_case('CASE-001')
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        self.assertEqual(case['summary'], 'Updated with new findings')
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        # Close case
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        self.case_manager.close_case('CASE-001')
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        case = self.case_manager.get_case('CASE-001')
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        self.assertEqual(case['status'], 'closed')
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        # Archive case
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        self.case_manager.archive_case('CASE-001')
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        case = self.case_manager.get_case('CASE-001')
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        self.assertEqual(case['status'], 'archived')
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        # Delete case
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        self.case_manager.delete_case('CASE-001')
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        case = self.case_manager.get_case('CASE-001')
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        self.assertIsNone(case)
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    def test_multiple_cases_workflow(self):
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        """Test working with multiple cases simultaneously."""
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        # Create multiple cases
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        for i in range(1, 6):
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            self.case_manager.create_case(
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                f'CASE-{i:03d}',
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                f'Case {i}',
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                f'Detective {chr(64+i)}'  # Detective A, B, C, etc.
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            )
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        # Verify all created
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        all_cases = self.case_manager.list_cases()
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        self.assertEqual(len(all_cases), 5)
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        # Close some cases
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        self.case_manager.close_case('CASE-001')
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        self.case_manager.close_case('CASE-003')
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        # Archive one
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        self.case_manager.archive_case('CASE-005')
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        # Check status distribution
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        active_cases = self.case_manager.list_cases(status='active')
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        closed_cases = self.case_manager.list_cases(status='closed')
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        archived_cases = self.case_manager.list_cases(status='archived')
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        self.assertEqual(len(active_cases), 2)  # 002, 004
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        self.assertEqual(len(closed_cases), 2)  # 001, 003
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        self.assertEqual(len(archived_cases), 1)  # 005
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if __name__ == '__main__':
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    unittest.main()
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