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Message-Id: <20210805235145.2528054-1-dlatypov@google.com>
Date: Thu, 5 Aug 2021 16:51:44 -0700
From: Daniel Latypov <dlatypov@...gle.com>
To: brendanhiggins@...gle.com, davidgow@...gle.com
Cc: linux-kernel@...r.kernel.org, kunit-dev@...glegroups.com,
linux-kselftest@...r.kernel.org, skhan@...uxfoundation.org,
Daniel Latypov <dlatypov@...gle.com>
Subject: [PATCH v2 1/2] kunit: tool: make --raw_output support only showing
kunit output
--raw_output is nice, but it would be nicer if could show only output
after KUnit tests have started.
So change the flag to allow specifying a string ('kunit').
Make it so `--raw_output` alone will default to `--raw_output=all` and
have the same original behavior.
Drop the small kunit_parser.raw_output() function since it feels wrong
to put it in "kunit_parser.py" when the point of it is to not parse
anything.
E.g.
$ ./tools/testing/kunit/kunit.py run --raw_output=kunit
...
[15:24:07] Starting KUnit Kernel ...
TAP version 14
1..1
# Subtest: example
1..3
# example_simple_test: initializing
ok 1 - example_simple_test
# example_skip_test: initializing
# example_skip_test: You should not see a line below.
ok 2 - example_skip_test # SKIP this test should be skipped
# example_mark_skipped_test: initializing
# example_mark_skipped_test: You should see a line below.
# example_mark_skipped_test: You should see this line.
ok 3 - example_mark_skipped_test # SKIP this test should be skipped
ok 1 - example
[15:24:10] Elapsed time: 6.487s total, 0.001s configuring, 3.510s building, 0.000s running
Signed-off-by: Daniel Latypov <dlatypov@...gle.com>
---
Documentation/dev-tools/kunit/kunit-tool.rst | 9 ++++++---
tools/testing/kunit/kunit.py | 20 +++++++++++++++-----
tools/testing/kunit/kunit_parser.py | 4 ----
tools/testing/kunit/kunit_tool_test.py | 9 +++++++++
4 files changed, 30 insertions(+), 12 deletions(-)
diff --git a/Documentation/dev-tools/kunit/kunit-tool.rst b/Documentation/dev-tools/kunit/kunit-tool.rst
index c7ff9afe407a..ae52e0f489f9 100644
--- a/Documentation/dev-tools/kunit/kunit-tool.rst
+++ b/Documentation/dev-tools/kunit/kunit-tool.rst
@@ -114,9 +114,12 @@ results in TAP format, you can pass the ``--raw_output`` argument.
./tools/testing/kunit/kunit.py run --raw_output
-.. note::
- The raw output from test runs may contain other, non-KUnit kernel log
- lines.
+The raw output from test runs may contain other, non-KUnit kernel log
+lines. You can see just KUnit output with ``--raw_output=kunit``:
+
+.. code-block:: bash
+
+ ./tools/testing/kunit/kunit.py run --raw_output=kunit
If you have KUnit results in their raw TAP format, you can parse them and print
the human-readable summary with the ``parse`` command for kunit_tool. This
diff --git a/tools/testing/kunit/kunit.py b/tools/testing/kunit/kunit.py
index 7174377c2172..5a931456e718 100755
--- a/tools/testing/kunit/kunit.py
+++ b/tools/testing/kunit/kunit.py
@@ -16,6 +16,7 @@ assert sys.version_info >= (3, 7), "Python version is too old"
from collections import namedtuple
from enum import Enum, auto
+from typing import Iterable
import kunit_config
import kunit_json
@@ -114,7 +115,16 @@ def parse_tests(request: KunitParseRequest) -> KunitResult:
'Tests not Parsed.')
if request.raw_output:
- kunit_parser.raw_output(request.input_data)
+ output: Iterable[str] = request.input_data
+ if request.raw_output == 'all':
+ pass
+ elif request.raw_output == 'kunit':
+ output = kunit_parser.extract_tap_lines(output)
+ else:
+ print(f'Unknown --raw_output option "{request.raw_output}"', file=sys.stderr)
+ for line in output:
+ print(line.rstrip())
+
else:
test_result = kunit_parser.parse_run_tests(request.input_data)
parse_end = time.time()
@@ -135,7 +145,6 @@ def parse_tests(request: KunitParseRequest) -> KunitResult:
return KunitResult(KunitStatus.SUCCESS, test_result,
parse_end - parse_start)
-
def run_tests(linux: kunit_kernel.LinuxSourceTree,
request: KunitRequest) -> KunitResult:
run_start = time.time()
@@ -181,7 +190,7 @@ def add_common_opts(parser) -> None:
parser.add_argument('--build_dir',
help='As in the make command, it specifies the build '
'directory.',
- type=str, default='.kunit', metavar='build_dir')
+ type=str, default='.kunit', metavar='build_dir')
parser.add_argument('--make_options',
help='X=Y make option, can be repeated.',
action='append')
@@ -246,8 +255,9 @@ def add_exec_opts(parser) -> None:
action='append')
def add_parse_opts(parser) -> None:
- parser.add_argument('--raw_output', help='don\'t format output from kernel',
- action='store_true')
+ parser.add_argument('--raw_output', help='If set don\'t format output from kernel. '
+ 'If set to --raw_output=kunit, filters to just KUnit output.',
+ type=str, nargs='?', const='all', default=None)
parser.add_argument('--json',
nargs='?',
help='Stores test results in a JSON, and either '
diff --git a/tools/testing/kunit/kunit_parser.py b/tools/testing/kunit/kunit_parser.py
index b88db3f51dc5..84938fefbac0 100644
--- a/tools/testing/kunit/kunit_parser.py
+++ b/tools/testing/kunit/kunit_parser.py
@@ -106,10 +106,6 @@ def extract_tap_lines(kernel_output: Iterable[str]) -> LineStream:
yield line_num, line[prefix_len:]
return LineStream(lines=isolate_kunit_output(kernel_output))
-def raw_output(kernel_output) -> None:
- for line in kernel_output:
- print(line.rstrip())
-
DIVIDER = '=' * 60
RESET = '\033[0;0m'
diff --git a/tools/testing/kunit/kunit_tool_test.py b/tools/testing/kunit/kunit_tool_test.py
index 628ab00f74bc..619c4554cbff 100755
--- a/tools/testing/kunit/kunit_tool_test.py
+++ b/tools/testing/kunit/kunit_tool_test.py
@@ -399,6 +399,15 @@ class KUnitMainTest(unittest.TestCase):
self.assertNotEqual(call, mock.call(StrContains('Testing complete.')))
self.assertNotEqual(call, mock.call(StrContains(' 0 tests run')))
+ def test_run_raw_output_kunit(self):
+ self.linux_source_mock.run_kernel = mock.Mock(return_value=[])
+ kunit.main(['run', '--raw_output=kunit'], self.linux_source_mock)
+ self.assertEqual(self.linux_source_mock.build_reconfig.call_count, 1)
+ self.assertEqual(self.linux_source_mock.run_kernel.call_count, 1)
+ for call in self.print_mock.call_args_list:
+ self.assertNotEqual(call, mock.call(StrContains('Testing complete.')))
+ self.assertNotEqual(call, mock.call(StrContains(' 0 tests run')))
+
def test_exec_timeout(self):
timeout = 3453
kunit.main(['exec', '--timeout', str(timeout)], self.linux_source_mock)
base-commit: f684616e08e9cd9db3cd53fe2e068dfe02481657
--
2.32.0.605.g8dce9f2422-goog
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