From 2c4891b26da307ad7923de85c3a3112dc5910355 Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Sat, 19 Feb 2022 12:11:15 +0530
Subject: [PATCH] Dont buffer test output when running a specific test

---
 setup/test.py                  | 2 +-
 src/calibre/utils/run_tests.py | 7 ++++---
 2 files changed, 5 insertions(+), 4 deletions(-)

diff --git a/setup/test.py b/setup/test.py
index 404366648b..5ee7c78240 100644
--- a/setup/test.py
+++ b/setup/test.py
@@ -49,7 +49,7 @@ class Test(Command):
             tests = filter_tests_by_name(tests, *opts.test_name)
         if opts.exclude_test_name:
             tests = remove_tests_by_name(tests, *opts.exclude_test_name)
-        run_cli(tests, verbosity=opts.test_verbosity)
+        run_cli(tests, verbosity=opts.test_verbosity, buffer=not opts.test_name)
 
 
 class TestRS(Command):
diff --git a/src/calibre/utils/run_tests.py b/src/calibre/utils/run_tests.py
index 508e38fe09..5ba7cd9e06 100644
--- a/src/calibre/utils/run_tests.py
+++ b/src/calibre/utils/run_tests.py
@@ -126,8 +126,9 @@ def filter_tests_by_module(suite, *names):
 def run_tests(find_tests, verbosity=4):
     import argparse
     parser = argparse.ArgumentParser()
-    parser.add_argument('name', nargs='?', default=None,
-                        help='The name of the test to run, for example: writing.WritingTest.many_many_basic or .many_many_basic for a shortcut')
+    parser.add_argument(
+        'name', nargs='?', default=None,
+        help='The name of the test to run, for example: writing.WritingTest.many_many_basic or .many_many_basic for a shortcut')
     args = parser.parse_args()
     tests = find_tests()
     if args.name:
@@ -137,7 +138,7 @@ def run_tests(find_tests, verbosity=4):
             tests = filter_tests_by_module(tests, args.name)
         if not tests._tests:
             raise SystemExit('No test named %s found' % args.name)
-    run_cli(tests, verbosity)
+    run_cli(tests, verbosity, buffer=not args.name)
 
 
 class TestImports(unittest.TestCase):