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Date: Wed, 30 Jun 2021 06:57:31 +0800
From: David Gow <davidgow@...gle.com>
To: Rae Moar <rmoar@...gle.com>
Cc: Brendan Higgins <brendanhiggins@...gle.com>,
Daniel Latypov <dlatypov@...gle.com>,
Shuah Khan <shuah@...nel.org>,
KUnit Development <kunit-dev@...glegroups.com>,
"open list:KERNEL SELFTEST FRAMEWORK"
<linux-kselftest@...r.kernel.org>,
Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] kunit: tool: Fix error messages for cases of no tests and
wrong TAP header
On Wed, Jun 30, 2021 at 6:36 AM Rae Moar <rmoar@...gle.com> wrote:
>
> In the case of the TAP output having an incorrect header format, the
> parser used to output an error message of 'no tests run!'. Additionally,
> in the case of TAP output with the correct header but no tests, the
> parser used to output an error message of 'could not parse test
> results!'. This patch corrects the error messages for these two cases
> by switching the original outputted error messages and correcting the
> tests in kunit_toot_test.py.
>
> Signed-off-by: Rae Moar <rmoar@...gle.com>
> ---
These error messages make a lot more sense, thank you!
With this patch, we can close
https://bugzilla.kernel.org/show_bug.cgi?id=207923
This is
Reviewed-by: David Gow <davidgow@...gle.com>
Cheers,
-- David
> tools/testing/kunit/kunit_parser.py | 6 +-
> tools/testing/kunit/kunit_tool_test.py | 16 +++-
> ...is_test_passed-no_tests_run_no_header.log} | 0
> ...s_test_passed-no_tests_run_with_header.log | 77 +++++++++++++++++++
> 4 files changed, 94 insertions(+), 5 deletions(-)
> rename tools/testing/kunit/test_data/{test_is_test_passed-no_tests_run.log => test_is_test_passed-no_tests_run_no_header.log} (100%)
> create mode 100644 tools/testing/kunit/test_data/test_is_test_passed-no_tests_run_with_header.log
>
> diff --git a/tools/testing/kunit/kunit_parser.py b/tools/testing/kunit/kunit_parser.py
> index c3c524b79db8..b88db3f51dc5 100644
> --- a/tools/testing/kunit/kunit_parser.py
> +++ b/tools/testing/kunit/kunit_parser.py
> @@ -338,9 +338,11 @@ def bubble_up_suite_errors(test_suites: Iterable[TestSuite]) -> TestStatus:
> def parse_test_result(lines: LineStream) -> TestResult:
> consume_non_diagnostic(lines)
> if not lines or not parse_tap_header(lines):
> - return TestResult(TestStatus.NO_TESTS, [], lines)
> + return TestResult(TestStatus.FAILURE_TO_PARSE_TESTS, [], lines)
> expected_test_suite_num = parse_test_plan(lines)
> - if not expected_test_suite_num:
> + if expected_test_suite_num == 0:
> + return TestResult(TestStatus.NO_TESTS, [], lines)
> + elif expected_test_suite_num is None:
> return TestResult(TestStatus.FAILURE_TO_PARSE_TESTS, [], lines)
> test_suites = []
> for i in range(1, expected_test_suite_num + 1):
> diff --git a/tools/testing/kunit/kunit_tool_test.py b/tools/testing/kunit/kunit_tool_test.py
> index bdae0e5f6197..75045aa0f8a1 100755
> --- a/tools/testing/kunit/kunit_tool_test.py
> +++ b/tools/testing/kunit/kunit_tool_test.py
> @@ -157,8 +157,18 @@ class KUnitParserTest(unittest.TestCase):
> kunit_parser.TestStatus.FAILURE,
> result.status)
>
> + def test_no_header(self):
> + empty_log = test_data_path('test_is_test_passed-no_tests_run_no_header.log')
> + with open(empty_log) as file:
> + result = kunit_parser.parse_run_tests(
> + kunit_parser.extract_tap_lines(file.readlines()))
> + self.assertEqual(0, len(result.suites))
> + self.assertEqual(
> + kunit_parser.TestStatus.FAILURE_TO_PARSE_TESTS,
> + result.status)
> +
> def test_no_tests(self):
> - empty_log = test_data_path('test_is_test_passed-no_tests_run.log')
> + empty_log = test_data_path('test_is_test_passed-no_tests_run_with_header.log')
> with open(empty_log) as file:
> result = kunit_parser.parse_run_tests(
> kunit_parser.extract_tap_lines(file.readlines()))
> @@ -173,7 +183,7 @@ class KUnitParserTest(unittest.TestCase):
> with open(crash_log) as file:
> result = kunit_parser.parse_run_tests(
> kunit_parser.extract_tap_lines(file.readlines()))
> - print_mock.assert_any_call(StrContains('no tests run!'))
> + print_mock.assert_any_call(StrContains('could not parse test results!'))
> print_mock.stop()
> file.close()
>
> @@ -309,7 +319,7 @@ class KUnitJsonTest(unittest.TestCase):
> result["sub_groups"][1]["test_cases"][0])
>
> def test_no_tests_json(self):
> - result = self._json_for('test_is_test_passed-no_tests_run.log')
> + result = self._json_for('test_is_test_passed-no_tests_run_with_header.log')
> self.assertEqual(0, len(result['sub_groups']))
>
> class StrContains(str):
> diff --git a/tools/testing/kunit/test_data/test_is_test_passed-no_tests_run.log b/tools/testing/kunit/test_data/test_is_test_passed-no_tests_run_no_header.log
> similarity index 100%
> rename from tools/testing/kunit/test_data/test_is_test_passed-no_tests_run.log
> rename to tools/testing/kunit/test_data/test_is_test_passed-no_tests_run_no_header.log
> diff --git a/tools/testing/kunit/test_data/test_is_test_passed-no_tests_run_with_header.log b/tools/testing/kunit/test_data/test_is_test_passed-no_tests_run_with_header.log
> new file mode 100644
> index 000000000000..18215b236783
> --- /dev/null
> +++ b/tools/testing/kunit/test_data/test_is_test_passed-no_tests_run_with_header.log
> @@ -0,0 +1,77 @@
> +Core dump limits :
> + soft - 0
> + hard - NONE
> +Checking environment variables for a tempdir...none found
> +Checking if /dev/shm is on tmpfs...OK
> +Checking PROT_EXEC mmap in /dev/shm...OK
> +Adding 24743936 bytes to physical memory to account for exec-shield gap
> +Linux version 4.12.0-rc3-00010-g7319eb35f493-dirty (brendanhiggins@...truck.svl.corp.google.com) (gcc version 7.3.0 (Debian 7.3.0-5) ) #29 Thu Mar 15 14:57:19 PDT 2018
> +Built 1 zonelists in Zone order, mobility grouping on. Total pages: 14038
> +Kernel command line: root=98:0
> +PID hash table entries: 256 (order: -1, 2048 bytes)
> +Dentry cache hash table entries: 8192 (order: 4, 65536 bytes)
> +Inode-cache hash table entries: 4096 (order: 3, 32768 bytes)
> +Memory: 27868K/56932K available (1681K kernel code, 480K rwdata, 400K rodata, 89K init, 205K bss, 29064K reserved, 0K cma-reserved)
> +SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=1, Nodes=1
> +NR_IRQS:15
> +clocksource: timer: mask: 0xffffffffffffffff max_cycles: 0x1cd42e205, max_idle_ns: 881590404426 ns
> +Calibrating delay loop... 7384.26 BogoMIPS (lpj=36921344)
> +pid_max: default: 32768 minimum: 301
> +Mount-cache hash table entries: 512 (order: 0, 4096 bytes)
> +Mountpoint-cache hash table entries: 512 (order: 0, 4096 bytes)
> +Checking that host ptys support output SIGIO...Yes
> +Checking that host ptys support SIGIO on close...No, enabling workaround
> +Using 2.6 host AIO
> +clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns
> +futex hash table entries: 256 (order: 0, 6144 bytes)
> +clocksource: Switched to clocksource timer
> +console [stderr0] disabled
> +mconsole (version 2) initialized on /usr/local/google/home/brendanhiggins/.uml/6Ijecl/mconsole
> +Checking host MADV_REMOVE support...OK
> +workingset: timestamp_bits=62 max_order=13 bucket_order=0
> +Block layer SCSI generic (bsg) driver version 0.4 loaded (major 254)
> +io scheduler noop registered
> +io scheduler deadline registered
> +io scheduler cfq registered (default)
> +io scheduler mq-deadline registered
> +io scheduler kyber registered
> +Initialized stdio console driver
> +Using a channel type which is configured out of UML
> +setup_one_line failed for device 1 : Configuration failed
> +Using a channel type which is configured out of UML
> +setup_one_line failed for device 2 : Configuration failed
> +Using a channel type which is configured out of UML
> +setup_one_line failed for device 3 : Configuration failed
> +Using a channel type which is configured out of UML
> +setup_one_line failed for device 4 : Configuration failed
> +Using a channel type which is configured out of UML
> +setup_one_line failed for device 5 : Configuration failed
> +Using a channel type which is configured out of UML
> +setup_one_line failed for device 6 : Configuration failed
> +Using a channel type which is configured out of UML
> +setup_one_line failed for device 7 : Configuration failed
> +Using a channel type which is configured out of UML
> +setup_one_line failed for device 8 : Configuration failed
> +Using a channel type which is configured out of UML
> +setup_one_line failed for device 9 : Configuration failed
> +Using a channel type which is configured out of UML
> +setup_one_line failed for device 10 : Configuration failed
> +Using a channel type which is configured out of UML
> +setup_one_line failed for device 11 : Configuration failed
> +Using a channel type which is configured out of UML
> +setup_one_line failed for device 12 : Configuration failed
> +Using a channel type which is configured out of UML
> +setup_one_line failed for device 13 : Configuration failed
> +Using a channel type which is configured out of UML
> +setup_one_line failed for device 14 : Configuration failed
> +Using a channel type which is configured out of UML
> +setup_one_line failed for device 15 : Configuration failed
> +Console initialized on /dev/tty0
> +console [tty0] enabled
> +console [mc-1] enabled
> +TAP version 14
> +1..0
> +List of all partitions:
> +No filesystem could mount root, tried:
> +
> +Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(98,0)
> --
> 2.32.0.93.g670b81a890-goog
>
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