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Subject[PATCH v2] kunit: tool: make `build` subcommand also reconfigure if needed
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If I created a kunitconfig file that was incomplete, then
$ ./tools/testing/kunit/kunit.py build --kunitconfig=my_kunitconfig
would silently drop all the options with unmet dependencies!

This is because it doesn't do the config check that `kunit.py config`
does.

So if I want to safely build a kernel for testing, I have to do
$ ./tools/testing/kunit/kunit.py config <flags>
$ ./tools/testing/kunit/kunit.py build <flags, again>

It seems unlikely that any user of kunit.py would want the current
`build` semantics.
So make it effectively do `kunit.py config` + `kunit.py build`.

Signed-off-by: Daniel Latypov <dlatypov@google.com>
Reviewed-by: Brendan Higgins <brendanhiggins@google.com>
---
v1 -> v2: rebase on top of v2 of dependency:
https://lore.kernel.org/linux-kselftest/20211214192612.134306-1-dlatypov@google.com/
---
tools/testing/kunit/kunit.py | 10 +++++++++-
tools/testing/kunit/kunit_tool_test.py | 2 +-
2 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/tools/testing/kunit/kunit.py b/tools/testing/kunit/kunit.py
index 417dc2d11f4f..f1be71811369 100755
--- a/tools/testing/kunit/kunit.py
+++ b/tools/testing/kunit/kunit.py
@@ -110,6 +110,14 @@ def build_tests(linux: kunit_kernel.LinuxSourceTree,
'built kernel successfully',
build_end - build_start)

+def config_and_build_tests(linux: kunit_kernel.LinuxSourceTree,
+ request: KunitBuildRequest) -> KunitResult:
+ config_result = config_tests(linux, request)
+ if config_result.status != KunitStatus.SUCCESS:
+ return config_result
+
+ return build_tests(linux, request)
+
def _list_tests(linux: kunit_kernel.LinuxSourceTree, request: KunitExecRequest) -> List[str]:
args = ['kunit.action=list']
if request.kernel_args:
@@ -464,7 +472,7 @@ def main(argv, linux=None):
make_options=cli_args.make_options,
jobs=cli_args.jobs,
alltests=cli_args.alltests)
- result = build_tests(linux, request)
+ result = config_and_build_tests(linux, request)
kunit_parser.print_with_timestamp((
'Elapsed time: %.3fs\n') % (
result.elapsed_time))
diff --git a/tools/testing/kunit/kunit_tool_test.py b/tools/testing/kunit/kunit_tool_test.py
index 1f6b177ca5c2..b80e333a20cb 100755
--- a/tools/testing/kunit/kunit_tool_test.py
+++ b/tools/testing/kunit/kunit_tool_test.py
@@ -526,7 +526,7 @@ class KUnitMainTest(unittest.TestCase):

def test_build_passes_args_pass(self):
kunit.main(['build'], self.linux_source_mock)
- self.assertEqual(self.linux_source_mock.build_reconfig.call_count, 0)
+ self.assertEqual(self.linux_source_mock.build_reconfig.call_count, 1)
self.linux_source_mock.build_kernel.assert_called_once_with(False, 8, '.kunit', None)
self.assertEqual(self.linux_source_mock.run_kernel.call_count, 0)

--
2.34.1.173.g76aa8bc2d0-goog
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