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-rwxr-xr-xLib/test/regrtest.py36
-rw-r--r--Misc/NEWS4
2 files changed, 29 insertions, 11 deletions
diff --git a/Lib/test/regrtest.py b/Lib/test/regrtest.py
index 08c9916..2929001 100755
--- a/Lib/test/regrtest.py
+++ b/Lib/test/regrtest.py
@@ -25,7 +25,7 @@ Verbosity
-v/--verbose -- run tests in verbose mode with output to stdout
-w/--verbose2 -- re-run failed tests in verbose mode
--W/--verbose3 -- re-run failed tests in verbose mode immediately
+-W/--verbose3 -- display test output on failure
-d/--debug -- print traceback for failed tests
-q/--quiet -- no output unless one or more tests fail
-S/--slow -- print the slowest 10 tests
@@ -781,17 +781,27 @@ def runtest(test, verbose, quiet,
PASSED test passed
"""
- support.verbose = verbose # Tell tests to be moderately quiet
if use_resources is not None:
support.use_resources = use_resources
try:
- result = runtest_inner(test, verbose, quiet, huntrleaks, debug)
- if result[0] == FAILED and rerun_failed:
- cleanup_test_droppings(test, verbose)
- sys.stdout.flush()
- sys.stderr.flush()
- print("Re-running test {} in verbose mode".format(test))
- runtest(test, True, quiet, huntrleaks, debug)
+ if rerun_failed:
+ support.verbose = True
+ orig_stderr = sys.stderr
+ with support.captured_stdout() as stream:
+ try:
+ sys.stderr = stream
+ result = runtest_inner(test, verbose, quiet, huntrleaks,
+ debug, display_failure=False)
+ if result[0] == FAILED:
+ output = stream.getvalue()
+ orig_stderr.write(output)
+ orig_stderr.flush()
+ finally:
+ sys.stderr = orig_stderr
+ else:
+ support.verbose = verbose # Tell tests to be moderately quiet
+ result = runtest_inner(test, verbose, quiet, huntrleaks, debug,
+ display_failure=not verbose)
return result
finally:
cleanup_test_droppings(test, verbose)
@@ -960,7 +970,8 @@ class saved_test_environment:
return False
-def runtest_inner(test, verbose, quiet, huntrleaks=False, debug=False):
+def runtest_inner(test, verbose, quiet,
+ huntrleaks=False, debug=False, display_failure=True):
support.unload(test)
if verbose:
capture_stdout = None
@@ -1002,7 +1013,10 @@ def runtest_inner(test, verbose, quiet, huntrleaks=False, debug=False):
except KeyboardInterrupt:
raise
except support.TestFailed as msg:
- print("test", test, "failed --", msg, file=sys.stderr)
+ if display_failure:
+ print("test", test, "failed --", msg, file=sys.stderr)
+ else:
+ print("test", test, "failed", file=sys.stderr)
sys.stderr.flush()
return FAILED, test_time
except:
diff --git a/Misc/NEWS b/Misc/NEWS
index 834dea6..51a7d57 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -122,6 +122,10 @@ Build
Tests
-----
+- Issue #12400: regrtest -W doesn't rerun the tests twice anymore, but captures
+ the output and displays it on failure instead. regrtest -v doesn't print the
+ error twice anymore if there is only one error.
+
- Issue #12141: Install a copy of template C module file so that
test_build_ext of test_distutils is no longer silently skipped when
run outside of a build directory.