Alexander Whitestone
30509b9c7c
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Part of #885
98 lines
2.8 KiB
Python
98 lines
2.8 KiB
Python
"""Tests for circuit breaker (#885)."""
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import sys
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from pathlib import Path
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sys.path.insert(0, str(Path(__file__).parent.parent))
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from agent.circuit_breaker import CircuitBreaker, ToolCircuitBreaker, MultiToolCircuitBreaker, CircuitState
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def test_closed_allows_execution():
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cb = CircuitBreaker(failure_threshold=3)
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assert cb.can_execute()
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def test_opens_after_threshold():
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cb = CircuitBreaker(failure_threshold=3)
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cb.record_result(False)
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cb.record_result(False)
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assert cb.can_execute() # Still closed at 2
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cb.record_result(False)
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assert not cb.can_execute() # Open at 3
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def test_closes_on_success():
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cb = CircuitBreaker(failure_threshold=3)
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cb.record_result(False)
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cb.record_result(True)
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assert cb.consecutive_failures == 0
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def test_half_open_recovery():
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cb = CircuitBreaker(failure_threshold=2, recovery_timeout=0.1, success_threshold=1)
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cb.record_result(False)
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cb.record_result(False)
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assert cb.state == CircuitState.OPEN
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import time
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time.sleep(0.15)
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assert cb.can_execute() # Moved to half-open
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cb.record_result(True)
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assert cb.state == CircuitState.CLOSED
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def test_recovery_action_streak():
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cb = ToolCircuitBreaker(failure_threshold=3)
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for _ in range(5):
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cb.record_result(False)
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action = cb.get_recovery_action()
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assert action["action"] == "switch_tool_type"
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def test_recovery_action_critical():
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cb = ToolCircuitBreaker(failure_threshold=3)
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for _ in range(10):
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cb.record_result(False)
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action = cb.get_recovery_action()
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assert action["action"] == "terminal_only"
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assert action["severity"] == "critical"
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def test_multi_tool_breaker():
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mcb = MultiToolCircuitBreaker()
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mcb.record_result("read_file", False)
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mcb.record_result("read_file", False)
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mcb.record_result("read_file", False)
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assert not mcb.can_execute("read_file")
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assert mcb.can_execute("terminal") # Different tool unaffected
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def test_global_state():
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mcb = MultiToolCircuitBreaker()
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mcb.record_result("tool_a", False)
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mcb.record_result("tool_b", False)
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state = mcb.get_global_state()
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assert state["global_streak"] == 2
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def test_reset():
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cb = CircuitBreaker(failure_threshold=2)
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cb.record_result(False)
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cb.record_result(False)
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assert cb.state == CircuitState.OPEN
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cb.reset()
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assert cb.state == CircuitState.CLOSED
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if __name__ == "__main__":
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tests = [test_closed_allows_execution, test_opens_after_threshold,
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test_closes_on_success, test_half_open_recovery,
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test_recovery_action_streak, test_recovery_action_critical,
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test_multi_tool_breaker, test_global_state, test_reset]
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for t in tests:
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print(f"Running {t.__name__}...")
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t()
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print(" PASS")
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print("\nAll tests passed.")
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