regrtest: don't fail immediately if a child does crash

Issue #29362: Catch a crash of a worker process as a normal failure and
continue to run next tests. It allows to get the usual test summary: single
line result (OK/FAIL), total duration, etc.

1 files changed, 12 insertions, 1 deletions

diff --git a/Lib/test/test_regrtest.py b/Lib/test/test_regrtest.py
index 6d70e4d..0bd6298 100644
--- a/Lib/test/test_regrtest.py
+++ b/Lib/test/test_regrtest.py
@@ -354,7 +354,7 @@ class BaseTestCase(unittest.TestCase):
         self.assertRegex(output, regex)
 
     def parse_executed_tests(self, output):
-        regex = (r'^[0-9]+:[0-9]+:[0-9]+ \[ *[0-9]+(?:/ *[0-9]+)?\] (%s)'
+        regex = (r'^[0-9]+:[0-9]+:[0-9]+ \[ *[0-9]+(?:/ *[0-9]+)*\] (%s)'
                  % self.TESTNAME_REGEX)
         parser = re.finditer(regex, output, re.MULTILINE)
         return list(match.group(1) for match in parser)
@@ -809,6 +809,17 @@ class ArgsTestCase(BaseTestCase):
         self.assertEqual(output.rstrip().splitlines(),
                          tests)
 
+    def test_crashed(self):
+        # Any code which causes a crash
+        code = 'import faulthandler; faulthandler._sigsegv()'
+        crash_test = self.create_test(name="crash", code=code)
+        ok_test = self.create_test(name="ok")
+
+        tests = [crash_test, ok_test]
+        output = self.run_tests("-j2", *tests, exitcode=1)
+        self.check_executed_tests(output, tests, failed=crash_test,
+                                  randomize=True)
+
 
 if __name__ == '__main__':
     unittest.main()