From 03542a04716df0ba473e5573ac617826b5a3429c Mon Sep 17 00:00:00 2001
From: Tom Hunze <dev@thunze.de>
Date: Mon, 23 Mar 2026 22:10:46 +0100
Subject: [PATCH] python3Packages.looptime: disable failing time-based tests on
 darwin

These fail pretty predictably on darwin but pass on linux.

Some data points:

https://hydra.nixos.org/build/321428246/nixlog/4
https://hydra.nixos.org/build/321428217/nixlog/4
https://hydra.nixos.org/build/321466734/nixlog/4
https://hydra.nixos.org/build/321466717/nixlog/4
---
 .../python-modules/looptime/default.nix           | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/pkgs/development/python-modules/looptime/default.nix b/pkgs/development/python-modules/looptime/default.nix
index 6cbe673d6ba6..1a7a64dc3fa9 100644
--- a/pkgs/development/python-modules/looptime/default.nix
+++ b/pkgs/development/python-modules/looptime/default.nix
@@ -7,6 +7,7 @@
   pytestCheckHook,
   setuptools,
   setuptools-scm,
+  stdenv,
 }:
 
 buildPythonPackage (finalAttrs: {
@@ -34,6 +35,20 @@ buildPythonPackage (finalAttrs: {
     pytestCheckHook
   ];
 
+  disabledTestPaths = lib.optionals stdenv.hostPlatform.isDarwin [
+    # Time-based tests that fail pretty predictably on darwin but pass on linux
+    "tests/test_chronometers.py::test_duration_resets_on_reuse"
+    "tests/test_chronometers.py::test_conversion_to_float"
+    "tests/test_chronometers.py::test_sync_context_manager"
+    "tests/test_chronometers.py::test_async_context_manager"
+    "tests/test_plugin.py::test_fixture_chronometer"
+    "tests/test_time_moves.py::test_real_time_is_ignored"
+    "tests/test_time_on_executors.py::test_with_sleep"
+    "tests/test_time_on_io_idle.py::test_end_of_time"
+    "tests/test_time_on_io_idle.py::test_no_idle_configured"
+    "tests/test_time_on_io_idle.py::test_stepping_with_no_limit"
+  ];
+
   meta = {
     changelog = "https://github.com/nolar/looptime/releases/tag/${finalAttrs.src.tag}";
     description = "Time dilation & contraction in asyncio event loops (in tests)";