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// SPDX-License-Identifier: GPL-2.0
/*
* KUnit API to save and access test attributes
*
* Copyright (C) 2023, Google LLC.
* Author: Rae Moar <rmoar@google.com>
*/
#include <kunit/test.h>
#include <kunit/attributes.h>
/* Options for printing attributes:
* PRINT_ALWAYS - attribute is printed for every test case and suite if set
* PRINT_SUITE - attribute is printed for every suite if set but not for test cases
* PRINT_NEVER - attribute is never printed
*/
enum print_ops {
PRINT_ALWAYS,
PRINT_SUITE,
PRINT_NEVER,
};
/**
* struct kunit_attr - represents a test attribute and holds flexible
* helper functions to interact with attribute.
*
* @name: name of test attribute, eg. speed
* @get_attr: function to return attribute value given a test
* @to_string: function to return string representation of given
* attribute value
* @filter: function to indicate whether a given attribute value passes a
* filter
*/
struct kunit_attr {
const char *name;
void *(*get_attr)(void *test_or_suite, bool is_test);
const char *(*to_string)(void *attr, bool *to_free);
int (*filter)(void *attr, const char *input, int *err);
void *attr_default;
enum print_ops print;
};
/* List of all Test Attributes */
static struct kunit_attr kunit_attr_list[] = {};
/* Helper Functions to Access Attributes */
void kunit_print_attr(void *test_or_suite, bool is_test, unsigned int test_level)
{
int i;
bool to_free;
void *attr;
const char *attr_name, *attr_str;
struct kunit_suite *suite = is_test ? NULL : test_or_suite;
struct kunit_case *test = is_test ? test_or_suite : NULL;
for (i = 0; i < ARRAY_SIZE(kunit_attr_list); i++) {
if (kunit_attr_list[i].print == PRINT_NEVER ||
(test && kunit_attr_list[i].print == PRINT_SUITE))
continue;
attr = kunit_attr_list[i].get_attr(test_or_suite, is_test);
if (attr) {
attr_name = kunit_attr_list[i].name;
attr_str = kunit_attr_list[i].to_string(attr, &to_free);
if (test) {
kunit_log(KERN_INFO, test, "%*s# %s.%s: %s",
KUNIT_INDENT_LEN * test_level, "", test->name,
attr_name, attr_str);
} else {
kunit_log(KERN_INFO, suite, "%*s# %s: %s",
KUNIT_INDENT_LEN * test_level, "", attr_name, attr_str);
}
/* Free to_string of attribute if needed */
if (to_free)
kfree(attr_str);
}
}
}
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