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Add is_init test attribute of type bool. Add to_string, get, and filter
methods to lib/kunit/attributes.c.
Mark each of the tests in the init section with the is_init=true attribute.
Add is_init to the attributes documentation.
Reviewed-by: David Gow <davidgow@google.com>
Signed-off-by: Rae Moar <rmoar@google.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
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Add parameter descriptions to struct kunit_attr header for the
parameters attr_default and print.
Fixes: 39e92cb1e4a1 ("kunit: Add test attributes API structure")
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202308180127.VD7YRPGa-lkp@intel.com/
Signed-off-by: Rae Moar <rmoar@google.com>
Reviewed-by: David Gow <davidgow@google.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
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Fix smatch warnings regarding uninitialized variables in the filtering
patch of the new KUnit Attributes feature.
Fixes: 529534e8cba3 ("kunit: Add ability to filter attributes")
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Dan Carpenter <dan.carpenter@linaro.org>
Closes: https://lore.kernel.org/r/202307270610.s0w4NKEn-lkp@intel.com/
Signed-off-by: Rae Moar <rmoar@google.com>
Reviewed-by: David Gow <davidgow@google.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
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Add filtering of test attributes. Users can filter tests using the
module_param called "filter".
Filters are imputed in the format: <attribute_name><operation><value>
Example: kunit.filter="speed>slow"
Operations include: >, <, >=, <=, !=, and =. These operations will act the
same for attributes of the same type but may not between types.
Note multiple filters can be inputted by separating them with a comma.
Example: kunit.filter="speed=slow, module!=example"
Since both suites and test cases can have attributes, there may be
conflicts. The process of filtering follows these rules:
- Filtering always operates at a per-test level.
- If a test has an attribute set, then the test's value is filtered on.
- Otherwise, the value falls back to the suite's value.
- If neither are set, the attribute has a global "default" value, which
is used.
Filtered tests will not be run or show in output. The tests can instead be
skipped using the configurable option "kunit.filter_action=skip".
Note the default settings for running tests remains unfiltered.
Finally, add "filter" methods for the speed and module attributes to parse
and compare attribute values.
Note this filtering functionality will be added to kunit.py in the next
patch.
Reviewed-by: David Gow <davidgow@google.com>
Signed-off-by: Rae Moar <rmoar@google.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
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Add module attribute to the test attribute API. This attribute stores the
module name associated with the test using KBUILD_MODNAME.
The name of a test suite and the module name often do not match. A
reference to the module name associated with the suite could be extremely
helpful in running tests as modules without needing to check the codebase.
This attribute will be printed for each suite.
Reviewed-by: David Gow <davidgow@google.com>
Signed-off-by: Rae Moar <rmoar@google.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
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Add speed attribute to the test attribute API. This attribute will allow
users to mark tests with a category of speed.
Currently the categories of speed proposed are: normal, slow, and very_slow
(outlined in enum kunit_speed). These are outlined in the enum kunit_speed.
The assumed default speed for tests is "normal". This indicates that the
test takes a relatively trivial amount of time (less than 1 second),
regardless of the machine it is running on. Any test slower than this could
be marked as "slow" or "very_slow".
Add the macro KUNIT_CASE_SLOW to set a test as slow, as this is likely a
common use of the attributes API.
Add an example of marking a slow test to kunit-example-test.c.
Reviewed-by: David Gow <davidgow@google.com>
Signed-off-by: Rae Moar <rmoar@google.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
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Add the basic structure of the test attribute API to KUnit, which can be
used to save and access test associated data.
Add attributes.c and attributes.h to hold associated structs and functions
for the API.
Create a struct that holds a variety of associated helper functions for
each test attribute. These helper functions will be used to get the
attribute value, convert the value to a string, and filter based on the
value. This struct is flexible by design to allow for attributes of
numerous types and contexts.
Add a method to print test attributes in the format of "# [<test_name if
not suite>.]<attribute_name>: <attribute_value>".
Example for a suite: "# speed: slow"
Example for a test case: "# test_case.speed: very_slow"
Use this method to report attributes in the KTAP output (KTAP spec:
https://docs.kernel.org/dev-tools/ktap.html) and _list_tests output when
kernel's new kunit.action=list_attr option is used. Note this is derivative
of the kunit.action=list option.
In test.h, add fields and associated helper functions to test cases and
suites to hold user-inputted test attributes.
Reviewed-by: David Gow <davidgow@google.com>
Signed-off-by: Rae Moar <rmoar@google.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
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