forensic-trails/tests/test_case_manager.py
overcuriousity 86359ec850 updates
2025-10-08 21:49:39 +02:00

379 lines
14 KiB
Python

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