A plugin which allows to compare results with canonical results, based on previous runs
A plugin which allows to compare results with canonical results, based on previous runs.
- Implement pytest’s hooks for asserts
- Use pytest’s asserts for comparing objects
- Driver for images
- Driver for json
- HTML reports for images
$ pip install pytest-canonical-data
Plugin provides canonical_data fixture, which allows to create canonical results:
def test_sth(canonical_data): # creates canonical result object with name `result.txt` and `text` driver canonical_result = canonical_data('result.txt', 'text') # In default mode will compare saved canonical result with `123` string # In canonize mode will save `123` as the canonical result canonical_result.assert_equal('123')
To run in canonize mode execute:
It will create files with canonical results (if don’t exist) and save actual results.
You need to use appropriate driver for each data type. Currently, there are the following drivers:
- bytes: for comparing bytes sequences.
- str: for comparing python strings.
- text: alias for the str driver.
Contributions are very welcome. Tests can be run with tox, please ensure the coverage at least stays the same before you submit a pull request.
Distributed under the terms of the MIT license, “pytest-canonical-data” is free and open source software
If you encounter any problems, please file an issue along with a detailed description.
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