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test(middleware): add token bucket rate limiter refill and throttle boundary specs #406

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test(middleware): add token bucket rate limiter refill and throttle boundary specs #406

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22 changes: 22 additions & 0 deletions tests/wave_rate_limiter_test.py
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import unittest
import time

class TestWaveBackendRateLimiting(unittest.TestCase):
def test_token_bucket_refill_bounds(self):
capacity = 100
refill_rate_per_sec = 10
tokens = 50
elapsed_seconds = 2

new_tokens = min(capacity, tokens + (elapsed_seconds * refill_rate_per_sec))
self.assertEqual(new_tokens, 70)

def test_rate_limit_throttle_trigger(self):
request_cost = 10
available_tokens = 5

can_proceed = available_tokens >= request_cost
self.assertFalse(can_proceed)

if __name__ == '__main__':
unittest.main()
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