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116524e | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 | """Tests for Pipeline.run() on_sample_done callback."""
from __future__ import annotations
from unittest.mock import MagicMock
import pytest
from pipeline import Pipeline, SampleResult, StepContext
class PassthroughStep:
requires = frozenset()
provides = frozenset()
def __call__(self, ctx: StepContext) -> StepContext:
return ctx
class FailingStep:
requires = frozenset()
provides = frozenset()
def __call__(self, ctx: StepContext) -> StepContext:
raise RuntimeError("boom")
class TestOnSampleDone:
def test_callback_called_per_sample(self):
pipe = Pipeline([PassthroughStep()])
contexts = [StepContext(sample=i) for i in range(5)]
cb = MagicMock()
pipe.run(contexts, on_sample_done=cb)
assert cb.call_count == 5
for call in cb.call_args_list:
result = call[0][0]
assert isinstance(result, SampleResult)
assert result.error is None
def test_callback_called_on_error(self):
pipe = Pipeline([FailingStep()])
contexts = [StepContext(sample="x")]
cb = MagicMock()
pipe.run(contexts, on_sample_done=cb)
assert cb.call_count == 1
result = cb.call_args[0][0]
assert isinstance(result, SampleResult)
assert isinstance(result.error, RuntimeError)
assert result.failed_at == "FailingStep"
def test_none_callback_is_noop(self):
pipe = Pipeline([PassthroughStep()])
contexts = [StepContext(sample=1)]
# Should not raise
results = pipe.run(contexts, on_sample_done=None)
assert len(results) == 1
assert results[0].error is None
def test_callback_with_multiple_workers(self):
pipe = Pipeline([PassthroughStep()])
contexts = [StepContext(sample=i) for i in range(10)]
cb = MagicMock()
pipe.run(contexts, workers=4, on_sample_done=cb)
assert cb.call_count == 10
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