schemathesis / Schemathesis
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Schemathesis
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Schemathesis is a modern API testing tool for web applications built with Open API and GraphQL specifications.
It reads the application schema and generates test cases, which will ensure that your application is compliant with its schema.
The application under test could be written in any language; the only thing you need is a valid API schema in a supported format.
Simple to use and yet powerful to uncover hard-to-find errors thanks to the property-based testing approach backed by state-of-the-art Hypothesis <http://hypothesis.works/>
_ library.
📣 Please fill out our quick survey <https://forms.gle/dv4s5SXAYWzvuwFWA>
_ so that we can learn how satisfied you are with Schemathesis, and what improvements we should make. Thank you!
Features
- Content-Type, schema, and status code conformance checks for Open API;
- Testing of explicit examples from the input schema;
- Stateful testing via Open API links;
- Concurrent test execution;
- Targeted testing;
- Storing and replaying network requests;
- Built-in ASGI / WSGI application support;
- Code samples for easy failure reproduction;
- Ready-to-go Docker image;
- Configurable with user-defined checks, string formats, hooks, and targets.
Installation
To install Schemathesis via pip
run the following command:
.. code:: bash
pip install schemathesis
Usage
You can use Schemathesis in the command line:
.. code:: bash
schemathesis run --stateful=links --checks all http://0.0.0.0:8081/schema.yaml
.. image:: https://raw.githubusercontent.com/schemathesis/schemathesis/master/img/schemathesis.gif
Or in your Python tests:
.. code:: python
import schemathesis
schema = schemathesis.from_uri("http://0.0.0.0:8081/schema.yaml")
@schema.parametrize()
def test_api(case):
case.call_and_validate()
CLI is simple to use and requires no coding; the in-code approach gives more flexibility.
Both examples above will run hundreds of requests against the API under test and report all found failures and inconsistencies along with instructions to reproduce them.
💡 See a complete working example project in the /example
directory. 💡
Contributing
Any contribution to development, testing, or any other area is highly appreciated and useful to the project.
For guidance on how to contribute to Schemathesis, see the contributing guidelines <https://github.com/schemathesis/schemathesis/blob/master/CONTRIBUTING.rst>
_.
Support this project
Hi, my name is Dmitry! I started this project during my work at Kiwi.com <https://kiwi.com/>
_. I am grateful to them for all the support they
provided to this project during its early days and for the opportunity to evolve Schemathesis independently.
In order to grow the community of contributors and users, and allow me to devote more time to this project, please donate today <https://github.com/sponsors/Stranger6667>
_.
Also, I occasionally write posts about Schemathesis in my blog <https://dygalo.dev/>
_ and offer consulting services for businesses.
Commercial support
If you are interested in the effective integration of Schemathesis to your private project, you can contact me via email or Twitter <https://twitter.com/Stranger6667>
_ and I will help you do that.
Links
- Documentation: https://schemathesis.readthedocs.io/en/stable/
- Releases: https://pypi.org/project/schemathesis/
- Code: https://github.com/schemathesis/schemathesis
- Issue tracker: https://github.com/schemathesis/schemathesis/issues
- Chat: https://gitter.im/schemathesis/schemathesis
Additional content:
-
An article <https://dygalo.dev/blog/schemathesis-property-based-testing-for-api-schemas/>
_ about Schemathesis by @Stranger6667 -
A video <https://www.youtube.com/watch?v=9FHRwrv-xuQ>
_ from EuroPython 2020 by @hultner -
Schemathesis tutorial <https://appdev.consulting.redhat.com/tracks/contract-first/automated-testing-with-schemathesis.html>
_ with an accompanyingvideo <https://www.youtube.com/watch?v=4r7OC-lBKMg>
_ by Red Hat -
Using Hypothesis and Schemathesis to Test FastAPI <https://testdriven.io/blog/fastapi-hypothesis/>
_ by @amalshaji
License
The code in this project is licensed under MIT license
_.
By contributing to Schemathesis, you agree that your contributions will be licensed under its MIT license.
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.. _MIT license: https://opensource.org/licenses/MIT