import unittestfrom unittest.mock import patch, MagicMockimport jsonimport osfrom firecrawl import FirecrawlApp class TestChangeTracking(unittest.TestCase):    @patch('requests.post')    def test_change_tracking_format(self, mock_post):        mock_response = MagicMock()        mock_response.status_code = 200        mock_response.json.return_value = {            'success': True,            'data': {                'markdown': 'Test markdown content',                'changeTracking': {                    'previousScrapeAt': '2023-01-01T00:00:00Z',                    'changeStatus': 'changed',                    'visibility': 'visible'                }            }        }        mock_post.return_value = mock_response         app = FirecrawlApp(api_key=os.environ.get('TEST_API_KEY', 'dummy-api-key-for-testing'))        result = app.scrape_url('https://example.com', {            'formats': ['markdown', 'changeTracking']        })         args, kwargs = mock_post.call_args        self.assertEqual(kwargs['json']['formats'], ['markdown', 'changeTracking'])                self.assertEqual(result['changeTracking']['previousScrapeAt'], '2023-01-01T00:00:00Z')        self.assertEqual(result['changeTracking']['changeStatus'], 'changed')        self.assertEqual(result['changeTracking']['visibility'], 'visible')     @patch('requests.post')    def test_change_tracking_options(self, mock_post):        mock_response = MagicMock()        mock_response.status_code = 200        mock_response.json.return_value = {            'success': True,            'data': {                'markdown': 'Test markdown content',                'changeTracking': {                    'previousScrapeAt': '2023-01-01T00:00:00Z',                    'changeStatus': 'changed',                    'visibility': 'visible',                    'diff': {                        'text': '@@ -1,1 +1,1 @@\n-old content\n+new content',                        'json': {                            'files': [{                                'from': None,                                'to': None,                                'chunks': [{                                    'content': '@@ -1,1 +1,1 @@',                                    'changes': [{                                        'type': 'del',                                        'content': '-old content',                                        'del': True,                                        'ln': 1                                    }, {                                        'type': 'add',                                        'content': '+new content',                                        'add': True,                                        'ln': 1                                    }]                                }]                            }]                        }                    },                    'json': {                        'title': {                            'previous': 'Old Title',                            'current': 'New Title'                        }                    }                }            }        }        mock_post.return_value = mock_response         app = FirecrawlApp(api_key=os.environ.get('TEST_API_KEY', 'dummy-api-key-for-testing'))        result = app.scrape_url('https://example.com', {            'formats': ['markdown', 'changeTracking'],            'changeTrackingOptions': {                'modes': ['git-diff', 'json'],                'schema': {'type': 'object', 'properties': {'title': {'type': 'string'}}}            }        })         args, kwargs = mock_post.call_args        self.assertEqual(kwargs['json']['formats'], ['markdown', 'changeTracking'])        self.assertEqual(kwargs['json']['changeTrackingOptions']['modes'], ['git-diff', 'json'])                self.assertEqual(result['changeTracking']['diff']['text'], '@@ -1,1 +1,1 @@\n-old content\n+new content')        self.assertEqual(result['changeTracking']['json']['title']['previous'], 'Old Title')        self.assertEqual(result['changeTracking']['json']['title']['current'], 'New Title')