"""Tests for lazy loading configuration system."""
import os
from browser_use.config import CONFIG
class TestLazyConfig:
"""Test lazy loading of environment variables through CONFIG object."""
def test_config_reads_env_vars_lazily(self):
"""Test that CONFIG reads environment variables each time they're accessed."""
# Set an env var
original_value = os.environ.get('BROWSER_USE_LOGGING_LEVEL', '')
try:
os.environ['BROWSER_USE_LOGGING_LEVEL'] = 'debug'
assert CONFIG.BROWSER_USE_LOGGING_LEVEL == 'debug'
# Change the env var
os.environ['BROWSER_USE_LOGGING_LEVEL'] = 'info'
assert CONFIG.BROWSER_USE_LOGGING_LEVEL == 'info'
# Delete the env var to test default
del os.environ['BROWSER_USE_LOGGING_LEVEL']
assert CONFIG.BROWSER_USE_LOGGING_LEVEL == 'info' # default value
finally:
# Restore original value
if original_value:
os.environ['BROWSER_USE_LOGGING_LEVEL'] = original_value
else:
os.environ.pop('BROWSER_USE_LOGGING_LEVEL', None)
def test_boolean_env_vars(self):
"""Test boolean environment variables are parsed correctly."""
original_value = os.environ.get('ANONYMIZED_TELEMETRY', '')
try:
# Test true values
for true_val in ['true', 'True', 'TRUE', 'yes', 'Yes', '1']:
os.environ['ANONYMIZED_TELEMETRY'] = true_val
assert CONFIG.ANONYMIZED_TELEMETRY is True, f'Failed for value: {true_val}'
# Test false values
for false_val in ['false', 'False', 'FALSE', 'no', 'No', '0']:
os.environ['ANONYMIZED_TELEMETRY'] = false_val
assert CONFIG.ANONYMIZED_TELEMETRY is False, f'Failed for value: {false_val}'
finally:
if original_value:
os.environ['ANONYMIZED_TELEMETRY'] = original_value
else:
os.environ.pop('ANONYMIZED_TELEMETRY', None)
def test_api_keys_lazy_loading(self):
"""Test API keys are loaded lazily."""
original_value = os.environ.get('OPENAI_API_KEY', '')
try:
# Test empty default
os.environ.pop('OPENAI_API_KEY', None)
assert CONFIG.OPENAI_API_KEY == ''
# Set a value
os.environ['OPENAI_API_KEY'] = 'test-key-123'
assert CONFIG.OPENAI_API_KEY == 'test-key-123'
# Change the value
os.environ['OPENAI_API_KEY'] = 'new-key-456'
assert CONFIG.OPENAI_API_KEY == 'new-key-456'
finally:
if original_value:
os.environ['OPENAI_API_KEY'] = original_value
else:
os.environ.pop('OPENAI_API_KEY', None)
def test_path_configuration(self):
"""Test path configuration variables."""
original_value = os.environ.get('XDG_CACHE_HOME', '')
try:
# Test custom path
test_path = '/tmp/test-cache'
os.environ['XDG_CACHE_HOME'] = test_path
# Use Path().resolve() to handle symlinks (e.g., /tmp -> /private/tmp on macOS)
from pathlib import Path
assert CONFIG.XDG_CACHE_HOME == Path(test_path).resolve()
# Test default path expansion
os.environ.pop('XDG_CACHE_HOME', None)
assert '/.cache' in str(CONFIG.XDG_CACHE_HOME)
finally:
if original_value:
os.environ['XDG_CACHE_HOME'] = original_value
else:
os.environ.pop('XDG_CACHE_HOME', None)
def test_cloud_sync_inherits_telemetry(self):
"""Test BROWSER_USE_CLOUD_SYNC inherits from ANONYMIZED_TELEMETRY when not set."""
telemetry_original = os.environ.get('ANONYMIZED_TELEMETRY', '')
sync_original = os.environ.get('BROWSER_USE_CLOUD_SYNC', '')
try:
# When BROWSER_USE_CLOUD_SYNC is not set, it should inherit from ANONYMIZED_TELEMETRY
os.environ['ANONYMIZED_TELEMETRY'] = 'true'
os.environ.pop('BROWSER_USE_CLOUD_SYNC', None)
assert CONFIG.BROWSER_USE_CLOUD_SYNC is True
os.environ['ANONYMIZED_TELEMETRY'] = 'false'
os.environ.pop('BROWSER_USE_CLOUD_SYNC', None)
assert CONFIG.BROWSER_USE_CLOUD_SYNC is False
# When explicitly set, it should use its own value
os.environ['ANONYMIZED_TELEMETRY'] = 'false'
os.environ['BROWSER_USE_CLOUD_SYNC'] = 'true'
assert CONFIG.BROWSER_USE_CLOUD_SYNC is True
finally:
if telemetry_original:
os.environ['ANONYMIZED_TELEMETRY'] = telemetry_original
else:
os.environ.pop('ANONYMIZED_TELEMETRY', None)
if sync_original:
os.environ['BROWSER_USE_CLOUD_SYNC'] = sync_original
else:
os.environ.pop('BROWSER_USE_CLOUD_SYNC', None)
