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import pytest
from datetime import datetime, timedelta
from unittest.mock import patch
import sys
import os
sys.path.insert(0, os.path.abspath(os.path.join(os.path.dirname(__file__), '..')))
from agent.restrict_usage import RateLimiter
@pytest.fixture
def limiter():
"""Create a RateLimiter instance for testing."""
return RateLimiter(max_requests=5, window_minutes=60)
def test_first_request_allowed(limiter):
"""First request should always be allowed."""
assert limiter.is_allowed("test_ip") is True
def test_requests_within_limit(limiter):
"""All requests within limit should be allowed."""
for _ in range(5):
assert limiter.is_allowed("test_ip") is True
def test_request_exceeds_limit(limiter):
"""Request exceeding limit should be blocked."""
for _ in range(5):
limiter.is_allowed("test_ip")
assert limiter.is_allowed("test_ip") is False
def test_different_identifiers_separate(limiter):
"""Different identifiers should have separate limits."""
for _ in range(5):
limiter.is_allowed("ip1")
assert limiter.is_allowed("ip1") is False
assert limiter.is_allowed("ip2") is True
def test_get_remaining(limiter):
"""get_remaining should return correct count."""
assert limiter.get_remaining("test_ip") == 5
limiter.is_allowed("test_ip")
assert limiter.get_remaining("test_ip") == 4
for _ in range(4):
limiter.is_allowed("test_ip")
assert limiter.get_remaining("test_ip") == 0
def test_old_requests_cleaned(limiter):
"""Old requests outside window should be cleaned."""
fixed_time = datetime(2024, 1, 1, 12, 0, 0)
with patch('agent.restrict_usage.datetime') as mock_datetime:
mock_datetime.now.return_value = fixed_time
for _ in range(5):
limiter.is_allowed("test_ip")
assert limiter.is_allowed("test_ip") is False
# Move time forward past the window
mock_datetime.now.return_value = fixed_time + timedelta(minutes=61)
assert limiter.is_allowed("test_ip") is True
assert limiter.get_remaining("test_ip") == 4
def test_multiple_identifiers_tracking(limiter):
"""Multiple identifiers should be tracked independently."""
limiter.is_allowed("user1")
limiter.is_allowed("user1")
limiter.is_allowed("user2")
assert limiter.get_remaining("user1") == 3
assert limiter.get_remaining("user2") == 4
assert limiter.get_remaining("user3") == 5 |