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 278348e..8a60ba9 100644
--- a/Lib/test/support.py
+++ b/Lib/test/support.py
@@ -55,7 +55,7 @@
"threading_cleanup", "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", "requires_zlib", "PIPE_MAX_SIZE"
+ "import_fresh_module", "requires_zlib", "PIPE_MAX_SIZE", "failfast",
]
class Error(Exception):
@@ -179,6 +179,7 @@
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.
@@ -1270,7 +1271,8 @@
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()