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Tests for session manager functionality.
"""
import unittest
from unittest.mock import patch, MagicMock
import sys
import os
from datetime import datetime
# Add src to path for imports
sys.path.insert(0, os.path.join(os.path.dirname(__file__), '..', 'src'))
# Mock streamlit before importing session_manager
sys.modules['streamlit'] = MagicMock()
from src.utils.session_manager import SessionManager
class TestSessionManager(unittest.TestCase):
"""Test cases for SessionManager class."""
def setUp(self):
"""Set up test fixtures."""
# Mock streamlit session_state
self.mock_st = MagicMock()
self.mock_st.session_state = {}
with patch('src.utils.session_manager.st', self.mock_st):
self.session_manager = SessionManager()
def test_initialization(self):
"""Test SessionManager initialization."""
with patch('src.utils.session_manager.st', self.mock_st):
manager = SessionManager()
# Check that session state variables are initialized
expected_keys = [
'chat_history', 'processed_videos', 'current_video',
'qa_chain', 'vectorstore', 'video_metadata', 'conversation_id'
]
for key in expected_keys:
self.assertIn(key, self.mock_st.session_state)
def test_generate_conversation_id(self):
"""Test conversation ID generation."""
conv_id = self.session_manager.generate_conversation_id()
self.assertIsInstance(conv_id, str)
self.assertTrue(conv_id.startswith('conv_'))
self.assertEqual(len(conv_id), 19) # conv_ + YYYYMMDD_HHMMSS
def test_add_to_chat_history(self):
"""Test adding entries to chat history."""
with patch('src.utils.session_manager.st', self.mock_st):
self.mock_st.session_state = {
'chat_history': [],
'conversation_id': 'test_conv_123'
}
manager = SessionManager()
question = "What is this about?"
answer = "This is a test answer."
video_id = "test_video_123"
manager.add_to_chat_history(question, answer, video_id)
self.assertEqual(len(self.mock_st.session_state['chat_history']), 1)
entry = self.mock_st.session_state['chat_history'][0]
self.assertEqual(entry['question'], question)
self.assertEqual(entry['answer'], answer)
self.assertEqual(entry['video_id'], video_id)
self.assertEqual(entry['conversation_id'], 'test_conv_123')
self.assertIn('timestamp', entry)
def test_get_chat_history_all(self):
"""Test getting all chat history."""
with patch('src.utils.session_manager.st', self.mock_st):
test_history = [
{'question': 'Q1', 'answer': 'A1', 'video_id': 'vid1'},
{'question': 'Q2', 'answer': 'A2', 'video_id': 'vid2'}
]
self.mock_st.session_state = {'chat_history': test_history}
manager = SessionManager()
history = manager.get_chat_history()
self.assertEqual(history, test_history)
def test_get_chat_history_filtered(self):
"""Test getting filtered chat history by video ID."""
with patch('src.utils.session_manager.st', self.mock_st):
test_history = [
{'question': 'Q1', 'answer': 'A1', 'video_id': 'vid1'},
{'question': 'Q2', 'answer': 'A2', 'video_id': 'vid2'},
{'question': 'Q3', 'answer': 'A3', 'video_id': 'vid1'}
]
self.mock_st.session_state = {'chat_history': test_history}
manager = SessionManager()
history = manager.get_chat_history('vid1')
self.assertEqual(len(history), 2)
self.assertEqual(history[0]['video_id'], 'vid1')
self.assertEqual(history[1]['video_id'], 'vid1')
def test_clear_chat_history_all(self):
"""Test clearing all chat history."""
with patch('src.utils.session_manager.st', self.mock_st):
test_history = [
{'question': 'Q1', 'answer': 'A1', 'video_id': 'vid1'},
{'question': 'Q2', 'answer': 'A2', 'video_id': 'vid2'}
]
self.mock_st.session_state = {'chat_history': test_history}
manager = SessionManager()
manager.clear_chat_history()
self.assertEqual(self.mock_st.session_state['chat_history'], [])
def test_clear_chat_history_filtered(self):
"""Test clearing chat history for specific video."""
with patch('src.utils.session_manager.st', self.mock_st):
test_history = [
{'question': 'Q1', 'answer': 'A1', 'video_id': 'vid1'},
{'question': 'Q2', 'answer': 'A2', 'video_id': 'vid2'},
{'question': 'Q3', 'answer': 'A3', 'video_id': 'vid1'}
]
self.mock_st.session_state = {'chat_history': test_history}
manager = SessionManager()
manager.clear_chat_history('vid1')
remaining_history = self.mock_st.session_state['chat_history']
self.assertEqual(len(remaining_history), 1)
self.assertEqual(remaining_history[0]['video_id'], 'vid2')
def test_save_processed_video(self):
"""Test saving processed video information."""
with patch('src.utils.session_manager.st', self.mock_st):
self.mock_st.session_state = {
'processed_videos': {},
'conversation_id': 'test_conv_123'
}
manager = SessionManager()
video_url = "https://youtube.com/watch?v=test123"
video_id = "test123"
metadata = {"title": "Test Video", "author": "Test Author"}
transcript = "This is a test transcript."
qa_chain = MagicMock()
vectorstore = MagicMock()
manager.save_processed_video(
video_url, video_id, metadata, transcript, qa_chain, vectorstore
)
# Check processed_videos
self.assertIn(video_id, self.mock_st.session_state['processed_videos'])
saved_video = self.mock_st.session_state['processed_videos'][video_id]
self.assertEqual(saved_video['url'], video_url)
self.assertEqual(saved_video['metadata'], metadata)
self.assertEqual(saved_video['transcript'], transcript)
self.assertEqual(saved_video['conversation_id'], 'test_conv_123')
self.assertIn('processed_at', saved_video)
# Check current session state
self.assertEqual(self.mock_st.session_state['current_video'], video_id)
self.assertEqual(self.mock_st.session_state['qa_chain'], qa_chain)
self.assertEqual(self.mock_st.session_state['vectorstore'], vectorstore)
self.assertEqual(self.mock_st.session_state['video_metadata'], metadata)
def test_get_processed_videos(self):
"""Test getting processed videos."""
with patch('src.utils.session_manager.st', self.mock_st):
test_videos = {
'vid1': {'title': 'Video 1'},
'vid2': {'title': 'Video 2'}
}
self.mock_st.session_state = {'processed_videos': test_videos}
manager = SessionManager()
videos = manager.get_processed_videos()
self.assertEqual(videos, test_videos)
def test_switch_to_video_success(self):
"""Test successful video switching."""
with patch('src.utils.session_manager.st', self.mock_st):
test_videos = {
'vid1': {'title': 'Video 1'},
'vid2': {'title': 'Video 2'}
}
self.mock_st.session_state = {'processed_videos': test_videos}
manager = SessionManager()
result = manager.switch_to_video('vid1')
self.assertTrue(result)
self.assertEqual(self.mock_st.session_state['current_video'], 'vid1')
def test_switch_to_video_failure(self):
"""Test video switching failure."""
with patch('src.utils.session_manager.st', self.mock_st):
self.mock_st.session_state = {'processed_videos': {}}
manager = SessionManager()
result = manager.switch_to_video('nonexistent_vid')
self.assertFalse(result)
def test_export_chat_history_json(self):
"""Test exporting chat history as JSON."""
with patch('src.utils.session_manager.st', self.mock_st):
test_history = [
{'question': 'Q1', 'answer': 'A1', 'timestamp': '2024-01-01T12:00:00'}
]
self.mock_st.session_state = {'chat_history': test_history}
manager = SessionManager()
result = manager.export_chat_history('json')
self.assertIsInstance(result, str)
self.assertIn('Q1', result)
self.assertIn('A1', result)
def test_export_chat_history_txt(self):
"""Test exporting chat history as text."""
with patch('src.utils.session_manager.st', self.mock_st):
test_history = [
{'question': 'Q1', 'answer': 'A1', 'timestamp': '2024-01-01T12:00:00'}
]
self.mock_st.session_state = {'chat_history': test_history}
manager = SessionManager()
result = manager.export_chat_history('txt')
self.assertIsInstance(result, str)
self.assertIn('Question: Q1', result)
self.assertIn('Answer: A1', result)
def test_get_session_stats(self):
"""Test getting session statistics."""
with patch('src.utils.session_manager.st', self.mock_st):
test_history = [
{'question': 'Q1', 'timestamp': '2024-01-01T12:00:00'},
{'question': 'Q2', 'timestamp': '2024-01-01T13:00:00'}
]
test_videos = {'vid1': {}, 'vid2': {}}
self.mock_st.session_state = {
'chat_history': test_history,
'processed_videos': test_videos,
'current_video': 'vid1',
'conversation_id': 'test_conv_123'
}
manager = SessionManager()
stats = manager.get_session_stats()
self.assertEqual(stats['total_questions'], 2)
self.assertEqual(stats['processed_videos'], 2)
self.assertEqual(stats['current_video'], 'vid1')
self.assertEqual(stats['conversation_id'], 'test_conv_123')
self.assertIn('session_start', stats)
if __name__ == '__main__':
unittest.main()
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