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from contextvars import ContextVar |
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import pytest |
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from async_btree import ( |
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FAILURE, |
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SUCCESS, |
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ExceptionDecorator, |
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alias, |
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always_failure, |
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always_success, |
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decorate, |
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inverter, |
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is_failure, |
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is_success, |
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retry, |
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retry_until_failed, |
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retry_until_success, |
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) |
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async def a_func(): |
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return 'a' |
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async def failure_func(): |
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return FAILURE |
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async def success_func(): |
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return SUCCESS |
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async def exception_func(): |
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raise RuntimeError() |
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async def empty_func(): |
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return [] |
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def test_root_name(kernel): |
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rooted = alias(child=a_func, name='a_func') |
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assert rooted.__node_metadata.name == 'a_func' |
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assert kernel.run(rooted) == 'a' |
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def test_decorate(kernel): |
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async def b_decorator(child_value, other=''): |
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return f'b{child_value}{other}' |
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assert kernel.run(decorate(a_func, b_decorator)) == 'ba' |
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assert kernel.run(decorate(a_func, b_decorator, other='c')) == 'bac' |
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def test_always_success(kernel): |
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assert kernel.run(always_success(success_func)) == SUCCESS |
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assert kernel.run(always_success(failure_func)) == SUCCESS |
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assert kernel.run(always_success(exception_func)) == SUCCESS |
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assert kernel.run(always_success(a_func)) == 'a' |
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def test_always_failure(kernel): |
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assert kernel.run(always_failure(success_func)) == FAILURE |
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assert kernel.run(always_failure(failure_func)) == FAILURE |
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assert not kernel.run(always_failure(exception_func)) |
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assert isinstance(kernel.run(always_failure(exception_func)), ExceptionDecorator) |
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assert kernel.run(always_failure(empty_func)) == [] |
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def test_is_success(kernel): |
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assert kernel.run(is_success(success_func)) |
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assert not kernel.run(is_success(failure_func)) |
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assert not kernel.run(is_success(exception_func)) |
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assert kernel.run(is_success(a_func)) |
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assert not kernel.run(is_success(empty_func)) |
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def test_is_failure(kernel): |
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assert not kernel.run(is_failure(success_func)) |
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assert kernel.run(is_failure(failure_func)) |
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assert kernel.run(is_failure(exception_func)) |
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assert not kernel.run(is_failure(a_func)) |
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assert kernel.run(is_failure(empty_func)) |
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def test_inverter(kernel): |
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assert not kernel.run(inverter(success_func)) |
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assert kernel.run(inverter(failure_func)) |
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with pytest.raises(RuntimeError): |
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kernel.run(inverter(exception_func)) |
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assert not kernel.run(inverter(a_func)) |
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assert kernel.run(inverter(empty_func)) |
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def test_retry(kernel): |
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counter = ContextVar('counter_test_retry', default=5) |
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async def tick(): |
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value = counter.get() |
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counter.set(value - 1) |
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if value <= 0: |
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return SUCCESS |
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if value == 3: |
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raise RuntimeError('3') |
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return FAILURE |
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result = kernel.run(retry(tick)) |
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assert not result |
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assert isinstance(result, ExceptionDecorator) |
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assert kernel.run(retry(tick)) |
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counter.set(10) |
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assert kernel.run(retry(tick, max_retry=11)) |
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counter.set(100) |
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assert kernel.run(retry(tick, max_retry=-1)) |
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def test_retry_until_success(kernel): |
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counter = ContextVar('counter_test_retry_until_success', default=5) |
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async def tick(): |
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value = counter.get() |
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counter.set(value - 1) |
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if value <= 0: |
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return SUCCESS |
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if value == 3: |
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raise RuntimeError('3') |
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return FAILURE |
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counter.set(100) |
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assert kernel.run(retry_until_success(tick)) |
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def test_retry_until_failed(kernel): |
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counter = ContextVar('counter_test_retry_until_failed', default=5) |
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async def tick(): |
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value = counter.get() |
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counter.set(value - 1) |
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if value <= 0: |
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return SUCCESS |
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if value == 3: |
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raise RuntimeError('3') |
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return FAILURE |
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counter.set(100) |
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assert kernel.run(retry_until_failed(tick)) |
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geronimo-iia /
async-btree
