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from contextvars import ContextVar |
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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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decision, |
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fallback, |
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repeat_until, |
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selector, |
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sequence, |
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) |
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async def a_func(): |
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return 'a' |
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async def b_func(): |
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return 'b' |
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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("ops") |
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def test_sequence(kernel): |
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assert not kernel.run( |
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sequence(children=[a_func, failure_func, success_func]) |
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), "default behaviour fail of one failed" |
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assert kernel.run( |
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sequence(children=[a_func, failure_func, success_func], succes_threshold=2) |
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) |
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assert kernel.run( |
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sequence(children=[a_func, success_func, failure_func], succes_threshold=2) |
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) |
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assert kernel.run( |
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sequence(children=[failure_func, a_func, success_func], succes_threshold=2) |
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), 'must continue after first failure' |
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assert kernel.run( |
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sequence(children=[exception_func, failure_func, a_func], succes_threshold=1) |
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) |
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assert not kernel.run( |
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sequence(children=[exception_func, failure_func], succes_threshold=1) |
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) |
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assert not kernel.run(sequence(children=[])) |
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def test_fallback(kernel): |
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assert kernel.run(fallback(children=[exception_func, failure_func, a_func])) |
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assert not kernel.run(fallback(children=[exception_func, failure_func])) |
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assert not kernel.run(fallback(children=[])) |
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def test_selector(kernel): |
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assert kernel.run(selector(children=[exception_func, failure_func, a_func])) |
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assert not kernel.run(selector(children=[exception_func, failure_func])) |
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assert selector(children=[]).__node_metadata.name == 'selector' |
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def test_decision(kernel): |
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assert kernel.run(decision(condition=success_func, success_tree=a_func)) == 'a' |
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assert not kernel.run(decision(condition=failure_func, success_tree=a_func)) |
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result = kernel.run( |
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decision(condition=failure_func, success_tree=a_func, failure_tree=b_func) |
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) |
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assert result == 'b', 'failure tree must be called' |
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def test_repeat_until_falsy_condition(kernel): |
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counter = ContextVar('counter', 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 FAILURE |
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if value == 3: |
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raise RuntimeError('3') |
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return SUCCESS |
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assert ( |
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kernel.run(repeat_until(condition=tick, child=a_func)) == 'a' |
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), 'return last sucess result' |
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assert counter.get() == 2 |
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def test_repeat_until_return_last_result(kernel): |
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counter = ContextVar('tick_test_repeat_until_return_last_result', 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 FAILURE |
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return SUCCESS |
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result = kernel.run(repeat_until(condition=tick, child=exception_func)) |
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assert counter.get() == -1 |
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assert isinstance(result, ExceptionDecorator) |
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geronimo-iia /
async-btree
