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Software Open Access

Hypothesis: Property-Based Testing for Python

MacIver, David R.; Hatfield-Dodds, Zac; many other contributors

Hypothesis now reports some failing inputs by showing the call which constructed an object, rather than the repr of the object. This can be helpful when the default repr does not include all relevant details, and will unlock further improvements in a future version.

For now, we capture calls made via "builds()", and via SearchStrategy.map().

The canonical version of these notes (with links) is on readthedocs.

If you use Hypothesis as part of a published research project, please cite our paper in the Journal of Open Source Software: Text: MacIver et al., (2019). Hypothesis: A new approach to property-based testing. Journal of Open Source Software, 4(43), 1891, https://doi.org/10.21105/joss.01891 BibTeX: @article{MacIver2019Hypothesis, journal = {Journal of Open Source Software}, doi = {10.21105/joss.01891}, issn = {2475-9066}, number = {43}, publisher = {The Open Journal}, title = {Hypothesis: A new approach to property-based testing}, url = {http://dx.doi.org/10.21105/joss.01891}, volume = {4}, author = {MacIver, David and Hatfield-Dodds, Zac and Contributors, Many}, pages = {1891}, date = {2019-11-21}, year = {2019}, month = {11}, day = {21}, } To reference a particular version of Hypothesis as a software artifact, you can use the version-specific DOIs we create for each release under https://doi.org/10.5281/zenodo.1412597
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