Issue #12624: It is now possible to fail after the first failure when
running in verbose mode (`-v` or `-W`), by using the `--failfast`
(or `-G`) option to regrtest. This is useful with long test suites
such as test_io or test_subprocess.
diff --git a/Lib/test/support.py b/Lib/test/support.py
index 2827e8b..09846a8 100644
--- a/Lib/test/support.py
+++ b/Lib/test/support.py
@@ -52,7 +52,7 @@
"reap_children", "cpython_only", "check_impl_detail", "get_attribute",
"swap_item", "swap_attr", "requires_IEEE_754",
"TestHandler", "Matcher", "can_symlink", "skip_unless_symlink",
- "import_fresh_module"
+ "import_fresh_module", "failfast",
]
class Error(Exception):
@@ -176,6 +176,7 @@
max_memuse = 0 # Disable bigmem tests (they will still be run with
# small sizes, to make sure they work.)
real_max_memuse = 0
+failfast = False
# _original_stdout is meant to hold stdout at the time regrtest began.
# This may be "the real" stdout, or IDLE's emulation of stdout, or whatever.
@@ -1186,7 +1187,8 @@
def _run_suite(suite):
"""Run tests from a unittest.TestSuite-derived class."""
if verbose:
- runner = unittest.TextTestRunner(sys.stdout, verbosity=2)
+ runner = unittest.TextTestRunner(sys.stdout, verbosity=2,
+ failfast=failfast)
else:
runner = BasicTestRunner()