Fixed #27430 -- Added -b/--buffer option to DiscoverRunner.

1 files changed, 7 insertions, 2 deletions

diff --git a/tests/runtests.py b/tests/runtests.py
index 293396f96c..1282538a6d 100755
--- a/tests/runtests.py
+++ b/tests/runtests.py
@@ -281,7 +281,7 @@ class ActionSelenium(argparse.Action):
 
 def django_tests(verbosity, interactive, failfast, keepdb, reverse,
                  test_labels, debug_sql, parallel, tags, exclude_tags,
-                 test_name_patterns, start_at, start_after, pdb):
+                 test_name_patterns, start_at, start_after, pdb, buffer):
     state = setup(verbosity, test_labels, parallel, start_at, start_after)
     extra_tests = []
 
@@ -302,6 +302,7 @@ def django_tests(verbosity, interactive, failfast, keepdb, reverse,
         exclude_tags=exclude_tags,
         test_name_patterns=test_name_patterns,
         pdb=pdb,
+        buffer=buffer,
     )
     failures = test_runner.run_tests(
         test_labels or get_installed(),
@@ -497,6 +498,10 @@ if __name__ == "__main__":
         '--pdb', action='store_true',
         help='Runs the PDB debugger on error or failure.'
     )
+    parser.add_argument(
+        '-b', '--buffer', action='store_true',
+        help='Discard output of passing tests.',
+    )
     if PY37:
         parser.add_argument(
             '-k', dest='test_name_patterns', action='append',
@@ -563,7 +568,7 @@ if __name__ == "__main__":
             options.debug_sql, options.parallel, options.tags,
             options.exclude_tags,
             getattr(options, 'test_name_patterns', None),
-            options.start_at, options.start_after, options.pdb,
+            options.start_at, options.start_after, options.pdb, options.buffer,
         )
         if failures:
             sys.exit(1)