A common feature of unit testing frameworks is support for sharing a test configuration across multiple unit tests. Add this functionality to the KUnit framework. This functionality will be used in the next patch in this series.

Reviewed-by: Brendan Higgins brendanhiggins@google.com Cc: David Gow davidgow@google.com Cc: Shuah Khan skhan@linuxfoundation.org Cc: kunit-dev@googlegroups.com Cc: linux-kselftest@vger.kernel.org Cc: Bodo Stroesser bostroesser@gmail.com Cc: Martin K. Petersen martin.petersen@oracle.com Cc: Yanko Kaneti yaneti@declera.com Signed-off-by: Bart Van Assche bvanassche@acm.org --- include/kunit/test.h | 4 ++++ lib/kunit/test.c | 14 ++++++++++++++ 2 files changed, 18 insertions(+)

diff --git a/include/kunit/test.h b/include/kunit/test.h index 24b40e5c160b..a6eef96a409c 100644 --- a/include/kunit/test.h +++ b/include/kunit/test.h @@ -215,6 +215,8 @@ static inline char *kunit_status_to_ok_not_ok(enum kunit_status status) * struct kunit_suite - describes a related collection of &struct kunit_case * * @name: the name of the test. Purely informational. + * @init_suite: called once per test suite before the test cases. + * @exit_suite: called once per test suite after all test cases. * @init: called before every test case. * @exit: called after every test case. * @test_cases: a null terminated array of test cases. @@ -229,6 +231,8 @@ static inline char *kunit_status_to_ok_not_ok(enum kunit_status status) */ struct kunit_suite { const char name[256]; + int (*init_suite)(void); + void (*exit_suite)(void); int (*init)(struct kunit *test); void (*exit)(struct kunit *test); struct kunit_case *test_cases; diff --git a/lib/kunit/test.c b/lib/kunit/test.c index d79ecb86ea57..c271692ced93 100644 --- a/lib/kunit/test.c +++ b/lib/kunit/test.c @@ -397,9 +397,19 @@ int kunit_run_tests(struct kunit_suite *suite) { char param_desc[KUNIT_PARAM_DESC_SIZE]; struct kunit_case *test_case; + int res = 0;

kunit_print_subtest_start(suite);

+ if (suite->init_suite) + res = suite->init_suite(); + + if (res < 0) { + kunit_log(KERN_INFO, suite, KUNIT_SUBTEST_INDENT + "# Suite initialization failed (%d)\n", res); + goto end; + } + kunit_suite_for_each_test_case(suite, test_case) { struct kunit test = { .param_value = NULL, .param_index = 0 }; test_case->status = KUNIT_SKIPPED; @@ -439,6 +449,10 @@ int kunit_run_tests(struct kunit_suite *suite) test.status_comment); }

+ if (suite->exit_suite) + suite->exit_suite(); + +end: kunit_print_subtest_end(suite);

return 0;