From 1653d671aad93624ec9f8a930b0bd67c2f9fc2d1 Mon Sep 17 00:00:00 2001
From: Yueh-Shun Li <shamrocklee@posteo.net>
Date: Thu, 19 Oct 2023 06:20:06 +0800
Subject: [PATCH] tests.overriding: modularize Python tests

Test with a pseudopackage python-package-stub.

Modularize the transforming function and testing function.
---
 pkgs/test/overriding.nix | 29 ++++++++++++++++++++++++-----
 1 file changed, 24 insertions(+), 5 deletions(-)

diff --git a/pkgs/test/overriding.nix b/pkgs/test/overriding.nix
index 3daa01b6247d..16ad0ec909c9 100644
--- a/pkgs/test/overriding.nix
+++ b/pkgs/test/overriding.nix
@@ -390,14 +390,33 @@ let
 
   tests-python =
     let
-      p = pkgs.python3Packages.xpybutil.overridePythonAttrs (_: {
-        dontWrapPythonPrograms = true;
-      });
+      python-package-stub = pkgs.python3Packages.callPackage (
+        {
+          buildPythonPackage,
+          emptyDirectory,
+        }:
+        buildPythonPackage {
+          pname = "python-package-stub";
+          version = "0.1.0";
+          pyproject = true;
+          src = emptyDirectory;
+        }
+      ) { };
+      applyOverridePythonAttrs =
+        p:
+        p.overridePythonAttrs (previousAttrs: {
+          overridePythonAttrsFlag = previousAttrs.overridePythonAttrsFlag or 0 + 1;
+        });
     in
     {
       overridePythonAttrs = {
-        expr = !lib.hasInfix "wrapPythonPrograms" p.postFixup;
-        expected = true;
+        expr = (applyOverridePythonAttrs python-package-stub).overridePythonAttrsFlag;
+        expected = 1;
+      };
+      overridePythonAttrs-nested = {
+        expr =
+          (applyOverridePythonAttrs (applyOverridePythonAttrs python-package-stub)).overridePythonAttrsFlag;
+        expected = 2;
       };
     };