From 40a58cc65bec0ed5b784178239e55f7c7ac969f5 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=B6rg=20Thalheim?= <joerg@thalheim.io>
Date: Mon, 21 Sep 2020 20:08:22 +0200
Subject: [PATCH] python3.pkgs.yq: make stdin a tty for tests

---
 pkgs/development/python-modules/yq/default.nix | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/pkgs/development/python-modules/yq/default.nix b/pkgs/development/python-modules/yq/default.nix
index ee768eaab756..f795a8fdfad6 100644
--- a/pkgs/development/python-modules/yq/default.nix
+++ b/pkgs/development/python-modules/yq/default.nix
@@ -10,6 +10,7 @@
 , flake8
 , jq
 , pytest
+, unixtools
 , toml
 }:
 
@@ -22,10 +23,6 @@ buildPythonPackage rec {
     sha256 = "1gp9q5w1bjbw7wmba5hm8ippwvkind0p02n07fqa9jlqglhxhm46";
   };
 
-  postPatch = ''
-    substituteInPlace test/test.py --replace "expect_exit_codes={0} if sys.stdin.isatty() else {2}" "expect_exit_codes={0}"
-  '';
-
   propagatedBuildInputs = [
     pyyaml
     xmltodict
@@ -35,6 +32,7 @@ buildPythonPackage rec {
   doCheck = true;
 
   checkInputs = [
+   unixtools.script
    pytest
    coverage
    flake8
@@ -42,7 +40,8 @@ buildPythonPackage rec {
    toml
   ];
 
-  checkPhase = "pytest ./test/test.py";
+  # tests fails if stdin is not a tty
+  checkPhase = "echo | script -c 'pytest ./test/test.py'";
 
   pythonImportsCheck = [ "yq" ];