Files
crewAI/tests/utilities/test_logger.py
2025-03-26 09:39:08 +00:00

89 lines
2.7 KiB
Python

import sys
import unittest
import threading
from unittest.mock import patch
from io import StringIO
import pytest
from crewai.utilities.logger import Logger
class TestLogger(unittest.TestCase):
"""Test suite for the Logger class."""
def setUp(self):
"""Set up test environment before each test."""
self.logger = Logger(verbose=True)
self.output = StringIO()
self.old_stdout = sys.stdout
sys.stdout = self.output
def tearDown(self):
"""Clean up test environment after each test."""
sys.stdout = self.old_stdout
def test_log_in_sync_context(self):
"""Test logging in a regular synchronous context."""
self.logger.log("info", "Test message")
output = self.output.getvalue()
self.assertIn("[INFO]: Test message", output)
self.assertIn("\n", output)
@patch('sys.stdout.flush')
def test_stdout_is_flushed(self, mock_flush):
"""Test that stdout is properly flushed after writing."""
self.logger.log("info", "Test message")
mock_flush.assert_called_once()
@pytest.mark.parametrize("log_level,message", [
("info", "Info message"),
("error", "Error message"),
("warning", "Warning message"),
("debug", "Debug message")
])
def test_multiple_log_levels(self, log_level, message):
"""Test logging with different log levels."""
self.logger.log(log_level, message)
output = self.output.getvalue()
self.assertIn(f"[{log_level.upper()}]: {message}", output)
def test_thread_safety(self):
"""Test that logger is thread-safe."""
messages = []
for i in range(10):
messages.append(f"Message {i}")
threads = []
for message in messages:
thread = threading.Thread(
target=lambda msg: self.logger.log("info", msg),
args=(message,)
)
threads.append(thread)
for thread in threads:
thread.start()
for thread in threads:
thread.join()
output = self.output.getvalue()
for message in messages:
self.assertIn(message, output)
class TestFastAPICompatibility(unittest.TestCase):
"""Test compatibility with FastAPI."""
def test_import_in_fastapi(self):
"""Test that logger can be imported in a FastAPI context."""
try:
import fastapi
from crewai.utilities.logger import Logger
logger = Logger(verbose=True)
self.assertTrue(True)
except ImportError:
self.skipTest("FastAPI not installed")
except Exception as e:
self.fail(f"Unexpected error: {e}")