Add PrimitiveProvider.on_observation#4416
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Liam-DeVoe merged 7 commits intoHypothesisWorks:masterfrom May 31, 2025
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per comment below, maybe we can use Provider.observe_test_case() instead of this new mechanism?
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unrelated note: this line suggests that monkeypatching |
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| return ( | ||
| with_observation_callback(on_observation) | ||
| if ( | ||
| self.settings.backend != "hypothesis" | ||
| # only for lifetime = "test_function" providers (guaranteed | ||
| # by this isinstance check) | ||
| and isinstance(self.provider, PrimitiveProvider) | ||
| # and the provider opted-in to observations | ||
| and self.provider.add_observability_callback | ||
| ) | ||
| else nullcontext() | ||
| ) |
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Seems cleaner as an if-statement and two returns than a ternary expression and one.
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interesting! I disagree, but only very weakly
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I'm finding this useful as a "post test-case callback" in hypofuzz. I'm hoping to put things like
observation.metadata.data_status: Statusandobservation.metadata.choice_nodesin here, and replace any manual inspection ofConjectureDatafromHypofuzzProvider.