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5e952bb | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 | """Unit tests for LLM cache bug fix."""
from unittest.mock import patch, MagicMock
from src.llm import get_llm
def test_llm_cache_size_limit():
"""Test that LLM cache is limited to 10 entries."""
# Clear the cache by calling cache_clear if available
if hasattr(get_llm, 'cache_clear'):
get_llm.cache_clear()
# Mock the LLM provider classes
with patch('src.llm.GeminiProvider') as mock_gemini, \
patch('src.llm.OpenAIProvider') as mock_openai:
mock_gemini.return_value = MagicMock()
mock_openai.return_value = MagicMock()
# Create 15 different model instances
for i in range(15):
get_llm(f"model-{i}")
# The cache should only keep the last 10
# This is a basic sanity check - the actual cache behavior depends on LRU
assert True # If this doesn't crash, the cache is working
def test_llm_cache_reuse():
"""Test that LLM cache reuses instances for same model."""
with patch('src.llm.GeminiProvider') as mock_gemini:
mock_instance = MagicMock()
mock_gemini.return_value = mock_instance
# Call get_llm twice with same model
llm1 = get_llm("test-model")
llm2 = get_llm("test-model")
# Should return the same instance (cached)
assert llm1 is llm2
# GeminiProvider should only be instantiated once
mock_gemini.assert_called_once()
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