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We now have dedicated pages on running tests. Therefore refocus the
usage page on writing tests and add content from tips page and
information on other architectures.
Signed-off-by: Harinder Singh <sharinder@google.com>
Reviewed-by: Tim Bird <tim.bird@sony.com>
Reviewed-by: Brendan Higgins <brendanhiggins@google.com>
Link: https://lore.kernel.org/r/20211217044911.798817-6-sharinder@google.com
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
This KUnit update for Linux 5.14-rc1 consists of fixes and features:
-- add support for skipped tests
-- introduce kunit_kmalloc_array/kunit_kcalloc() helpers
-- add gnu_printf specifiers
-- add kunit_shutdown
-- add unit test for filtering suites by names
-- convert lib/test_list_sort.c to use KUnit
-- code organization moving default config to tools/testing/kunit
-- refactor of internal parser input handling
-- cleanups and updates to documentation
-- code cleanup related to casts
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Merge tag 'linux-kselftest-kunit-fixes-5.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest
Pull KUnit update from Shuah Khan:
"Fixes and features:
- add support for skipped tests
- introduce kunit_kmalloc_array/kunit_kcalloc() helpers
- add gnu_printf specifiers
- add kunit_shutdown
- add unit test for filtering suites by names
- convert lib/test_list_sort.c to use KUnit
- code organization moving default config to tools/testing/kunit
- refactor of internal parser input handling
- cleanups and updates to documentation
- code cleanup related to casts"
* tag 'linux-kselftest-kunit-fixes-5.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest: (29 commits)
kunit: add unit test for filtering suites by names
kasan: test: make use of kunit_skip()
kunit: test: Add example tests which are always skipped
kunit: tool: Support skipped tests in kunit_tool
kunit: Support skipped tests
thunderbolt: test: Reinstate a few casts of bitfields
kunit: tool: internal refactor of parser input handling
lib/test: convert lib/test_list_sort.c to use KUnit
kunit: introduce kunit_kmalloc_array/kunit_kcalloc() helpers
kunit: Remove the unused all_tests.config
kunit: Move default config from arch/um -> tools/testing/kunit
kunit: arch/um/configs: Enable KUNIT_ALL_TESTS by default
kunit: Add gnu_printf specifiers
lib/cmdline_kunit: Remove a cast which are no-longer required
kernel/sysctl-test: Remove some casts which are no-longer required
thunderbolt: test: Remove some casts which are no longer required
mmc: sdhci-of-aspeed: Remove some unnecessary casts from KUnit tests
iio: Remove a cast in iio-test-format which is no longer required
device property: Remove some casts in property-entry-test
Documentation: kunit: Clean up some string casts in examples
...
As the type checking is no longer excessively strict, get rid of the
unsightly (char*) casts -- and comment discussing them -- from the KUnit
usage page.
Signed-off-by: David Gow <davidgow@google.com>
Reviewed-by: Daniel Latypov <dlatypov@google.com>
Acked-by: Brendan Higgins <brendanhiggins@google.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
The :doc:`foo` tag is auto-generated via automarkup.py.
So, use the filename at the sources, instead of :doc:`foo`.
Reviewed-by: David Gow <davidgow@google.com>
Acked-by: Brendan Higgins <brendanhiggins@google.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Link: https://lore.kernel.org/r/6fde409079959a95b62b9b2692503608d7ff0dbd.1623824363.git.mchehab+huawei@kernel.org
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Document QEMU support, what it does, and how to use it in kunit_tool.
Signed-off-by: Brendan Higgins <brendanhiggins@google.com>
Reviewed-by: David Gow <davidgow@google.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
Commit fadb08e7c750 ("kunit: Support for Parameterized Testing")
introduced support but lacks documentation for how to use it.
This patch builds on commit 1f0e943df68a ("Documentation: kunit: provide
guidance for testing many inputs") to show a minimal example of the new
feature.
Signed-off-by: Daniel Latypov <dlatypov@google.com>
Reviewed-by: David Gow <davidgow@google.com>
Tested-by: Brendan Higgins <brendanhiggins@google.com>
Acked-by: Brendan Higgins <brendanhiggins@google.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
usage.rst goes into a detailed section about faking out classes, but
currently lacks wording about how one might idiomatically test a range
of inputs.
Add a new chapter for "Common Patterns" and group "Isolating behvaior"
and this new section under there.
Give an example of how one might test a hash function via macros/helper
funcs and a table-driven test and very briefly discuss pros and cons.
Also highlight the KUNIT_EXPECT_*_MSG() variants (that aren't mentioned
elsewhere [1]) which are particularly useful in these situations.
It is also criminally underused at the moment, only appearing in 2
tests (both written by people involved in KUnit).
[1] not even on
https://www.kernel.org/doc/html/latest/dev-tools/kunit/api/test.html
Signed-off-by: Daniel Latypov <dlatypov@google.com>
Reviewed-by: Brendan Higgins <brendanhiggins@google.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
If 'CONFIG_KUNIT=m', letting kunit tests that do not support loadable
module build depends on 'KUNIT' instead of 'KUNIT=y' result in compile
errors. This commit updates the document for this.
Fixes: 9fe124bf1b77 ("kunit: allow kunit to be loaded as a module")
Signed-off-by: SeongJae Park <sjpark@amazon.de>
Reviewed-by: David Gow <davidgow@google.com>
Reviewed-by: Brendan Higgins <brendanhiggins@google.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
Add a brief blurb saying how and when the kunit_test_suite() macro
works to the usage documentation.
Signed-off-by: Brendan Higgins <brendanhiggins@google.com>
Reviewed-by: Stephen Boyd <sboyd@kernel.org>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
Fix warnings at 'make htmldocs', and formatting issues in the resulting
documentation.
- test.h: Fix annotation in kernel-doc parameter description.
- Documentation/*.rst: Fixing formatting issues, and a duplicate label
issue due to usage of sphinx.ext.autosectionlabel and identical labels
within one document (sphinx warning)
Signed-off-by: Lothar Rubusch <l.rubusch@gmail.com>
Reviewed-by: Brendan Higgins <brendanhiggins@google.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
Fix a missing newline in a code block that was causing a warning:
Documentation/dev-tools/kunit/usage.rst:553: WARNING: Error in "code-block" directive:
maximum 1 argument(s) allowed, 3 supplied.
.. code-block:: bash
modprobe example-test
Signed-off-by: Brendan Higgins <brendanhiggins@google.com>
Reviewed-by: Alan Maguire <alan.maguire@oracle.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
Documentation should describe how to build kunit and tests as
modules.
Co-developed-by: Knut Omang <knut.omang@oracle.com>
Signed-off-by: Knut Omang <knut.omang@oracle.com>
Signed-off-by: Alan Maguire <alan.maguire@oracle.com>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Reviewed-by: Brendan Higgins <brendanhiggins@google.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
Fix typos and gramatical errors in the Getting Started and Usage guide
for KUnit.
Reported-by: Randy Dunlap <rdunlap@infradead.org>
Link: https://patchwork.kernel.org/patch/11156481/
Reported-by: Rinat Ibragimov <ibragimovrinat@mail.ru>
Link: https://github.com/google/kunit-docs/issues/1
Signed-off-by: Brendan Higgins <brendanhiggins@google.com>
Reviewed-by: David Gow <davidgow@google.com>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
Add documentation for KUnit, the Linux kernel unit testing framework.
- Add intro and usage guide for KUnit
- Add API reference
Signed-off-by: Felix Guo <felixguoxiuping@gmail.com>
Signed-off-by: Brendan Higgins <brendanhiggins@google.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Reviewed-by: Logan Gunthorpe <logang@deltatee.com>
Reviewed-by: Stephen Boyd <sboyd@kernel.org>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
