From 59a8a3e27062b035f1791905773a3a577378ccbf Mon Sep 17 00:00:00 2001
From: Valentin Lorentz <progval+git@progval.net>
Date: Mon, 1 Nov 2021 09:28:51 +0100
Subject: [PATCH] Make pytest show the diff between assertion operands.

Closes GH-118.
---
 conftest.py | 14 ++++++++++++--
 1 file changed, 12 insertions(+), 2 deletions(-)

diff --git a/conftest.py b/conftest.py
index 5bb5ef2..76ddde0 100644
--- a/conftest.py
+++ b/conftest.py
@@ -3,8 +3,18 @@ import importlib
 import _pytest.unittest
 import pytest
 
-from irctest.basecontrollers import BaseClientController, BaseServerController
-from irctest.cases import BaseClientTestCase, BaseServerTestCase, _IrcTestCase
+# Must be called before importing irctest.cases.
+pytest.register_assert_rewrite("irctest.cases")
+
+from irctest.basecontrollers import (  # noqa: E402
+    BaseClientController,
+    BaseServerController,
+)
+from irctest.cases import (  # noqa: E402
+    BaseClientTestCase,
+    BaseServerTestCase,
+    _IrcTestCase,
+)
 
 
 def pytest_addoption(parser):