import unittest
from unittest.mock import patch, MagicMock
import social

class SocialPostingFlowTests(unittest.TestCase):
    def setUp(self):
        # Patch env and Posts for isolation
        self.env_patch = patch('social.env')
        self.mock_env = self.env_patch.start()
        self.mock_env.request_timeout = 1
        self.mock_env.facebooksleep = 0
        self.mock_env.forcegoogleupdate = False
        self.mock_env.xls = 'dummy.xlsx'
        self.mock_env.mariadb = False
        self.mock_env.mariadbuser = 'user'
        self.mock_env.mariadbpass = 'pass'
        self.mock_env.mariadbserver = 'localhost'
        self.mock_env.mariadbdb = 'db'
        self.mock_env.needreversed = False
        self.mock_env.postssession = MagicMock()
        self.mock_env.posts = []
        self.mock_env.xlsdf = MagicMock()
        self.mock_env.posts = []
        self.mock_env.postssession.query.return_value.count.return_value = 0
        self.addCleanup(self.env_patch.stop)

    @patch('social.requests.post')
    @patch('builtins.open', new_callable=MagicMock)
    def test_post_facebook_video_handles_success(self, mock_open, mock_post):
        mock_post.return_value.json.return_value = {'id': '123'}
        mock_open.return_value.__enter__.return_value = MagicMock()
        result = social.post_facebook_video('groupid', ['video.mp4'], 'token', 'title', 'content', 'date', 'rating', 'address')
        self.assertEqual(result, {'id': '123'})

    @patch('social.requests.post', side_effect=AttributeError('fail'))
    @patch('builtins.open', new_callable=MagicMock)
    def test_post_facebook_video_handles_error(self, mock_open, mock_post):
        mock_open.return_value.__enter__.return_value = MagicMock()
        result = social.post_facebook_video('groupid', ['video.mp4'], 'token', 'title', 'content', 'date', 'rating', 'address')
        self.assertFalse(result)

    def test_write_to_database_handles_empty(self):
        # Should not raise
        data = []
        local_outputs = {'xlsdf': MagicMock(), 'posts': [], 'postssession': MagicMock()}
        result = social.write_to_database(data, local_outputs)
        self.assertEqual(result, data)

if __name__ == '__main__':
    unittest.main()