Python CircuitBreaker.record_failure示例

示例#1

    def test_circut_is_opened_after_failures(self):
        circuit_breaker = CircuitBreaker(maximum_failures=3)
        circuit_breaker.record_failure()
        circuit_breaker.record_failure()
        circuit_breaker.record_failure()

        assert circuit_breaker.current_state == 'open'

示例#2

    def test_circut_success_resets_failures_counter(self):
        circuit_breaker = CircuitBreaker(maximum_failures=3)
        circuit_breaker.record_failure()
        circuit_breaker.record_failure()
        circuit_breaker.record_success()
        circuit_breaker.record_failure()
        circuit_breaker.record_failure()

        assert circuit_breaker.current_state == 'closed'

示例#3

文件： test_circuit_breaker.py 项目： fcurella/pyfailsafe

    def test_circuit_closes_again_after_timeout(self, monotonic_mock):
        circuit_breaker = CircuitBreaker(maximum_failures=1,
                                         reset_timeout_seconds=20)

        assert circuit_breaker.allows_execution() is True
        assert circuit_breaker.current_state == 'closed'

        monotonic_mock.return_value = 100

        circuit_breaker.record_failure()

        assert circuit_breaker.allows_execution() is False
        assert circuit_breaker.current_state == 'open'

        monotonic_mock.return_value = 130

        assert circuit_breaker.allows_execution() is True
        assert circuit_breaker.current_state == 'closed'

示例#4

    def test_circut_stays_closed_after_less_failures_then_limit(self):
        circuit_breaker = CircuitBreaker(maximum_failures=3)
        circuit_breaker.record_failure()
        circuit_breaker.record_failure()

        assert circuit_breaker.current_state == 'closed'

示例#5

 def test_open_circuit_does_not_allow_execution(self):
     circuit_breaker = CircuitBreaker(maximum_failures=1)
     circuit_breaker.record_failure()
     assert circuit_breaker.current_state == 'open'
     assert circuit_breaker.allows_execution() is False