A library for property-based testing

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  • License: Mozilla Public License 2.0 (MPL 2.0) (MPL-2.0)
  • Author: David R. MacIver and Zac Hatfield-Dodds
  • Tags python, testing, fuzzing, property-based-testing
  • Requires: Python >=3.9
  • Provides-Extra: all, cli, codemods, crosshair, dateutil, django, dpcontracts, ghostwriter, lark, numpy, pandas, pytest, pytz, redis, zoneinfo
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Project description

Hypothesis is an advanced testing library for Python. It lets you write tests which are parametrized by a source of examples, and then generates simple and comprehensible examples that make your tests fail. This lets you find more bugs in your code with less work.

e.g.

@given(st.lists(st.floats(allow_nan=False, allow_infinity=False), min_size=1))
def test_mean(xs):
    assert min(xs) <= mean(xs) <= max(xs)
Falsifying example: test_mean(
  xs=[1.7976321109618856e+308, 6.102390043022755e+303]
)

Hypothesis is extremely practical and advances the state of the art of unit testing by some way. It’s easy to use, stable, and powerful. If you’re not using Hypothesis to test your project then you’re missing out.

Quick Start/Installation

If you just want to get started:

pip install hypothesis

Project details

Verified details

These details have been verified by PyPI
Maintainers
Avatar for DRMacIver from gravatar.com DRMacIver Avatar for Zac-HD from gravatar.com Zac-HD

Unverified details

These details have not been verified by PyPI
Project links
Meta
  • License: Mozilla Public License 2.0 (MPL 2.0) (MPL-2.0)
  • Author: David R. MacIver and Zac Hatfield-Dodds
  • Tags python, testing, fuzzing, property-based-testing
  • Requires: Python >=3.9
  • Provides-Extra: all, cli, codemods, crosshair, dateutil, django, dpcontracts, ghostwriter, lark, numpy, pandas, pytest, pytz, redis, zoneinfo
Classifiers

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3.36.0

3.35.0

3.34.1

3.34.0

3.33.1

3.33.0

3.32.2

3.32.1

3.32.0

3.31.6

3.31.5

3.31.4

3.31.3

3.31.2

3.31.1

3.31.0

3.30.4

3.30.3

3.30.2

3.30.1

3.30.0

3.29.0

3.28.3

3.28.2

3.28.1

3.28.0

3.27.1

3.27.0

3.26.0

3.25.1

3.25.0

3.24.2

3.24.1

3.24.0

3.23.3

3.23.2

3.23.1

3.23.0

3.22.2

3.22.1

3.22.0

3.21.3

3.21.2

3.21.1

3.21.0

3.20.0

3.19.3

3.19.2

3.19.1

3.19.0

3.18.5

3.18.4

3.18.3

3.18.2

3.18.1

3.18.0

3.17.0

3.16.1

3.16.0

3.15.0

3.14.2

3.14.1

3.14.0

3.13.1

3.13.0

3.12.0

3.11.6

3.11.5

3.11.4

3.11.3

3.11.2

3.11.1

3.11.0

3.10.0

3.9.1

3.9.0

3.8.5

3.8.4

3.8.3

3.8.2

3.8.1

3.8.0

3.7.4

3.7.3

3.7.2

3.7.1

3.7.0

3.6.1

3.6.0

3.5.3

3.5.2

3.5.1

3.5.0

3.4.2

3.4.1

3.4.0

3.3.0

3.2.0

3.1.3

3.1.2

3.1.1

3.1.0

3.0.5

3.0.4

3.0.3

3.0.2

3.0.1

3.0.0

2.0.0

1.19.0

1.18.1

1.18.0

1.17.1

1.17.0

1.16.0

1.15.0

1.14.0

1.13.0

1.12.0

1.11.4

1.11.3

1.11.2

1.11.1

1.11.0

1.10.6

1.10.5

1.10.4

1.10.3

1.10.2

1.10.1

1.10.0

1.9.0

1.8.5

1.8.4

1.8.3

1.8.2

1.8.1

1.8.0

1.7.2

1.7.1

1.6.2

1.6.1

1.6.0

1.5.0

1.4.1

1.4.0

1.3.0

1.2.1

1.2

1.1.1

1.1.0

1.0.0

0.9.2

0.9.1

0.9.0

0.7.2

0.7.1

0.7.0

0.6.0

0.5.0

0.4.3

0.4.2

0.4.1

0.4.0

0.3.2

0.3.1

0.3.0

0.2.2

0.2.1

0.2.0

0.1.4

0.1.3

0.1.2

0.1.1

0.1.0

0.0.5

0.0.4

0.0.3

0.0.2

0.0.1

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