From e73d77ae564169cf8428471c69a636d23f812c25 Mon Sep 17 00:00:00 2001
From: Robert Scott <code@humanleg.org.uk>
Date: Sat, 27 Mar 2021 22:42:26 +0000
Subject: [PATCH 1/2] python2Packages.pygments: enable tests

advice over circular dependency appears outdated
---
 pkgs/development/python-modules/Pygments/2_5.nix | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/pkgs/development/python-modules/Pygments/2_5.nix b/pkgs/development/python-modules/Pygments/2_5.nix
index aa59c370d2e7..965e6f0ec343 100644
--- a/pkgs/development/python-modules/Pygments/2_5.nix
+++ b/pkgs/development/python-modules/Pygments/2_5.nix
@@ -3,6 +3,7 @@
 , fetchPypi
 , fetchpatch
 , docutils
+, pytestCheckHook
 }:
 
 buildPythonPackage rec {
@@ -25,8 +26,7 @@ buildPythonPackage rec {
 
   propagatedBuildInputs = [ docutils ];
 
-  # Circular dependency with sphinx
-  doCheck = false;
+  checkInputs = [ pytestCheckHook ];
 
   meta = {
     homepage = "https://pygments.org/";

From ac6e4a128799c5a54027de7b22978eb6d503da5d Mon Sep 17 00:00:00 2001
From: Robert Scott <code@humanleg.org.uk>
Date: Sat, 27 Mar 2021 15:50:34 +0000
Subject: [PATCH 2/2] python3Packages.pygments: enable tests

this requires a similar trick as used by hypothesis to get around pytest
circular dependency
---
 pkgs/development/python-modules/Pygments/default.nix |  6 ++++--
 pkgs/top-level/python-packages.nix                   | 10 ++++++++--
 2 files changed, 12 insertions(+), 4 deletions(-)

diff --git a/pkgs/development/python-modules/Pygments/default.nix b/pkgs/development/python-modules/Pygments/default.nix
index a879aef02266..48d74fddd436 100644
--- a/pkgs/development/python-modules/Pygments/default.nix
+++ b/pkgs/development/python-modules/Pygments/default.nix
@@ -2,6 +2,8 @@
 , buildPythonPackage
 , fetchPypi
 , docutils
+, pytestCheckHook
+, doCheck ? true
 }:
 
 buildPythonPackage rec {
@@ -15,8 +17,8 @@ buildPythonPackage rec {
 
   propagatedBuildInputs = [ docutils ];
 
-  # Circular dependency with sphinx
-  doCheck = false;
+  inherit doCheck;
+  checkInputs = [ pytestCheckHook ];
 
   meta = {
     homepage = "https://pygments.org/";
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index eda6869c4728..2650c0b565c6 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -6415,18 +6415,24 @@ in {
 
   pytest_5 = callPackage
     ../development/python-modules/pytest/5.nix {
-      # hypothesis tests require pytest that causes dependency cycle
+      # hypothesis & pygments tests require pytest that causes dependency cycle
       hypothesis = self.hypothesis.override {
         doCheck = false;
       };
+      pygments = self.pygments.override {
+        doCheck = false;
+      };
     };
 
   pytest_6 =
     callPackage ../development/python-modules/pytest {
-      # hypothesis tests require pytest that causes dependency cycle
+      # hypothesis & pygments tests require pytest that causes dependency cycle
       hypothesis = self.hypothesis.override {
         doCheck = false;
       };
+      pygments = self.pygments.override {
+        doCheck = false;
+      };
     };
 
   pytest_6_1 = self.pytest_6.overridePythonAttrs (oldAttrs: rec {