pytest-memray

A pytest plugin for easy integration of memray in your test suite. It can produce reports like:

$ pytest --memray /w/demo 
=================================== test session starts ====================================
platform linux -- Python 3.11.0, pytest-7.3.1, pluggy-1.0.0
rootdir: /w
plugins: memray-1.4.1
collected 2 items

demo/test_ok.py .M                                                                   [100%]

========================================= FAILURES =========================================
____________________________________ test_memory_exceed ____________________________________
Test was limited to 100.0KiB but allocated 117.2KiB
------------------------------------ memray-max-memory -------------------------------------
Test is using 117.2KiB out of limit of 100.0KiB
List of allocations: 
    - 117.2KiB allocated here:
        <listcomp>:/w/demo/test_ok.py:17

====================================== MEMRAY REPORT =======================================
Allocations results for demo/test_ok.py::test_memory_exceed

	 📦 Total memory allocated: 117.2KiB
	 📏 Total allocations: 30
	 📊 Histogram of allocation sizes: |█|
	 🥇 Biggest allocating functions:
		- <listcomp>:/w/demo/test_ok.py:17 -> 117.2KiB


Allocations results for demo/test_ok.py::test_track

	 📦 Total memory allocated: 39.1KiB
	 📏 Total allocations: 3
	 📊 Histogram of allocation sizes: |█|
	 🥇 Biggest allocating functions:
		- test_track:/w/demo/test_ok.py:12 -> 39.1KiB


================================= short test summary info ==================================
MEMORY PROBLEMS demo/test_ok.py::test_memory_exceed
=============================== 1 failed, 1 passed in 0.04s ================================