Farshid/Ashouri

testing

12 posts tagged “testing”.

  1. 2026

  2. The Check That Cannot Fail and 9 Rules for Real Verification

    Have you ever looked at a dashboard full of passing tests and felt a sudden wave of suspicion? You probably should.

    testing gates probes scope correctness
    3 min read
  3. 2025

  4. Checking if something is callable or async callable in Python

    I wanted a mechanism to check if a given Python object was "callable" - could be called like a function - or "async callable" - could be called using .

    python asyncio introspection callable testing
    1 min read

  5. Asserting a dictionary is a subset of another dictionary

    Take for example an API endpoint that returns something like this: I want to efficiently assert against the second two keys, but I don't want to hard-code the SQLite version into my test in case it…

    python testing dictionaries pytest
    1 min read

  6. axe-core and shot-scraper for accessibility audits

    I just watched a talk by Pamela Fox at North Bay Python on Automated accessibility audits. The video should be up within 24 hours.

    accessibility web-development testing javascript cli
    1 min read

  7. How to mock httpx using pytest-mock

    I wrote this test to exercise some httpx code today, using pytest-mock. The key was to use which patches the module that was imported by the module.

    python testing mocking httpx pytest
    1 min read

  8. Async fixtures with pytest-asyncio

    I wanted to use a fixture with that was itsef as function, so that it could execute statements. Since I'm using a file containing I had to use the fixture to get this to work.

    pytest asyncio python testing fixtures
    1 min read
  9. 2024

  10. Getting Python MD5 to work with FIPS systems

    This issue by Parand Darugar pointed out that Datasette doesn't currently run on Linux systems with FIPS enabled, due to the way it uses MD5 hashes. I hadn't heard of FIPS before.

    python fips md5 security compatibility
    2 min read

  11. Emulating a big-endian s390x with QEMU

    I got a bug report concerning my sqlite-fts4 project running on PPC64 and s390x architectures. The s390x is an IBM mainframe architecture, which I found glamorous!

    qemu docker s390x big-endian emulation
    1 min read
  12. 2023

  13. Generating documentation from tests using files-to-prompt and LLM

    I was experimenting with wasmtime-py today and found the current documentation didn't quite give me the information that I needed.

    llm ai documentation code-generation python
    2 min read

  14. How to call pip programatically from Python

    I needed this for the and commands, see issue 925. My initial attempt at this resulted in weird testing errors ( 928) - while investigating them I stumbled across this comment in the source code: So I…

    python pip cli programming testing
    1 min read

  15. Code coverage using pytest and codecov.io

    I got my asgi-csrf Python package up to 100% code coverage. Here's the pull request. I started by installing and using the pytest-cov pytest plugin.

    pytest code-coverage python ci/cd testing
    1 min read

  16. A tip for debugging pytest-httpx

    I use pytest-httpx in a bunch of my projects. Occasionally I run into test failures like this one, which can sometimes be really hard to figure out: Today I figured out a pattern for investigating…

    pytest httpx debugging python testing
    1 min read