55 lines
1.4 KiB
Python
55 lines
1.4 KiB
Python
from layercake.batch import BatchProcessor, Result, Status
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processor = BatchProcessor()
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def test_batch():
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def record_handler(record: bool):
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if record:
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return True
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raise ValueError('Invalid record')
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records = (
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True,
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True,
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False,
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)
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with processor(records=records, handler=record_handler) as p:
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processed_messages = p.process()
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assert len(processed_messages) == 3
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fail_record = processed_messages[2]
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assert isinstance(fail_record.cause, ValueError)
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assert str(fail_record.cause) == 'Invalid record'
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assert processor.successes == [True, True]
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assert processor.failures == [False]
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with processor(records=(False,), handler=record_handler):
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processed_messages = processor.process()
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assert processed_messages[0].status == Status.FAIL
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assert processor.successes == []
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assert processor.failures == [False]
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def test_batch_context():
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def record_handler(val: int, context: dict):
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return val * context['multiplier']
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with processor(
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records=(2, 3, 4),
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handler=record_handler,
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context={'multiplier': 2},
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):
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processed_messages = processor.process()
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assert processed_messages == (
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Result(Status.SUCCESS, output=4, input_record=2),
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Result(Status.SUCCESS, output=6, input_record=3),
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Result(Status.SUCCESS, output=8, input_record=4),
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)
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