[Python-checkins] cpython: Issue #22806: Add ``python -m test --list-tests`` command to list tests.
victor.stinner
python-checkins at python.org
Fri Oct 2 18:47:42 EDT 2015
https://hg.python.org/cpython/rev/1005573e6a74
changeset: 98493:1005573e6a74
user: Victor Stinner <victor.stinner at gmail.com>
date: Sat Oct 03 00:21:12 2015 +0200
summary:
Issue #22806: Add ``python -m test --list-tests`` command to list tests.
files:
Lib/test/libregrtest/cmdline.py | 11 +--
Lib/test/libregrtest/main.py | 55 +++++++++++++-------
Lib/test/test_regrtest.py | 7 ++
Misc/NEWS | 2 +
4 files changed, 49 insertions(+), 26 deletions(-)
diff --git a/Lib/test/libregrtest/cmdline.py b/Lib/test/libregrtest/cmdline.py
--- a/Lib/test/libregrtest/cmdline.py
+++ b/Lib/test/libregrtest/cmdline.py
@@ -1,5 +1,4 @@
import argparse
-import faulthandler
import os
from test import support
@@ -234,6 +233,9 @@
group.add_argument('-F', '--forever', action='store_true',
help='run the specified tests in a loop, until an '
'error happens')
+ group.add_argument('--list-tests', action='store_true',
+ help="only write the name of tests that will be run, "
+ "don't execute them")
parser.add_argument('args', nargs=argparse.REMAINDER,
help=argparse.SUPPRESS)
@@ -301,12 +303,7 @@
if ns.quiet:
ns.verbose = 0
if ns.timeout is not None:
- if hasattr(faulthandler, 'dump_traceback_later'):
- if ns.timeout <= 0:
- ns.timeout = None
- else:
- print("Warning: The timeout option requires "
- "faulthandler.dump_traceback_later")
+ if ns.timeout <= 0:
ns.timeout = None
if ns.use_mp is not None:
if ns.use_mp <= 0:
diff --git a/Lib/test/libregrtest/main.py b/Lib/test/libregrtest/main.py
--- a/Lib/test/libregrtest/main.py
+++ b/Lib/test/libregrtest/main.py
@@ -1,3 +1,4 @@
+import faulthandler
import os
import platform
import random
@@ -110,8 +111,13 @@
def parse_args(self, kwargs):
ns = _parse_args(sys.argv[1:], **kwargs)
+ if ns.timeout and not hasattr(faulthandler, 'dump_traceback_later'):
+ print("Warning: The timeout option requires "
+ "faulthandler.dump_traceback_later", file=sys.stderr)
+ ns.timeout = None
+
if ns.threshold is not None and gc is None:
- print('No GC available, ignore --threshold.')
+ print('No GC available, ignore --threshold.', file=sys.stderr)
ns.threshold = None
if ns.findleaks:
@@ -122,7 +128,8 @@
pass
#gc.set_debug(gc.DEBUG_SAVEALL)
else:
- print('No GC available, disabling --findleaks')
+ print('No GC available, disabling --findleaks',
+ file=sys.stderr)
ns.findleaks = False
# Strip .py extensions.
@@ -163,20 +170,6 @@
nottests.add(arg)
self.ns.args = []
- # For a partial run, we do not need to clutter the output.
- if (self.ns.verbose
- or self.ns.header
- or not (self.ns.quiet or self.ns.single
- or self.tests or self.ns.args)):
- # Print basic platform information
- print("==", platform.python_implementation(), *sys.version.split())
- print("== ", platform.platform(aliased=True),
- "%s-endian" % sys.byteorder)
- print("== ", "hash algorithm:", sys.hash_info.algorithm,
- "64bit" if sys.maxsize > 2**32 else "32bit")
- print("== ", os.getcwd())
- print("Testing with flags:", sys.flags)
-
# if testdir is set, then we are not running the python tests suite, so
# don't add default tests to be executed or skipped (pass empty values)
if self.ns.testdir:
@@ -199,15 +192,18 @@
del self.selected[:self.selected.index(self.ns.start)]
except ValueError:
print("Couldn't find starting test (%s), using all tests"
- % self.ns.start)
+ % self.ns.start, file=sys.stderr)
if self.ns.randomize:
if self.ns.random_seed is None:
self.ns.random_seed = random.randrange(10000000)
random.seed(self.ns.random_seed)
- print("Using random seed", self.ns.random_seed)
random.shuffle(self.selected)
+ def list_tests(self):
+ for name in self.selected:
+ print(name)
+
def rerun_failed_tests(self):
self.ns.verbose = True
self.ns.failfast = False
@@ -315,6 +311,23 @@
return
def run_tests(self):
+ # For a partial run, we do not need to clutter the output.
+ if (self.ns.verbose
+ or self.ns.header
+ or not (self.ns.quiet or self.ns.single
+ or self.tests or self.ns.args)):
+ # Print basic platform information
+ print("==", platform.python_implementation(), *sys.version.split())
+ print("== ", platform.platform(aliased=True),
+ "%s-endian" % sys.byteorder)
+ print("== ", "hash algorithm:", sys.hash_info.algorithm,
+ "64bit" if sys.maxsize > 2**32 else "32bit")
+ print("== ", os.getcwd())
+ print("Testing with flags:", sys.flags)
+
+ if self.ns.randomize:
+ print("Using random seed", self.ns.random_seed)
+
if self.ns.forever:
self.tests = self._test_forever(list(self.selected))
self.test_count = ''
@@ -359,8 +372,12 @@
setup_tests(self.ns)
self.find_tests(tests)
+
+ if self.ns.list_tests:
+ self.list_tests()
+ sys.exit(0)
+
self.run_tests()
-
self.display_result()
if self.ns.verbose2 and self.bad:
diff --git a/Lib/test/test_regrtest.py b/Lib/test/test_regrtest.py
--- a/Lib/test/test_regrtest.py
+++ b/Lib/test/test_regrtest.py
@@ -672,6 +672,13 @@
reflog = fp.read()
self.assertEqual(reflog, line2)
+ def test_list_tests(self):
+ # test --list-tests
+ tests = [self.create_test() for i in range(5)]
+ output = self.run_tests('--list-tests', *tests)
+ self.assertEqual(output.rstrip().splitlines(),
+ tests)
+
if __name__ == '__main__':
unittest.main()
diff --git a/Misc/NEWS b/Misc/NEWS
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -170,6 +170,8 @@
Tests
-----
+- Issue #22806: Add ``python -m test --list-tests`` command to list tests.
+
- Issue #18174: ``python -m test --huntrleaks ...`` now also checks for leak of
file descriptors. Patch written by Richard Oudkerk.
--
Repository URL: https://hg.python.org/cpython
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