Extend the example to show how to run a userspace executable. Signed-off-by: Thomas Weißschuh <[email protected]> Reviewed-by: David Gow <[email protected]> --- MAINTAINERS | 1 + lib/kunit/Makefile | 10 ++++++++++ lib/kunit/kunit-example-test.c | 15 +++++++++++++++ lib/kunit/kunit-example-uapi.c | 22 ++++++++++++++++++++++ 4 files changed, 48 insertions(+)
diff --git a/MAINTAINERS b/MAINTAINERS index e29ca56f7334..b7358d89df70 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -14399,6 +14399,7 @@ KUNIT UAPI TESTING FRAMEWORK (in addition to KERNEL UNIT TESTING FRAMEWORK) M: Thomas Weißschuh <[email protected]> S: Maintained F: include/kunit/uapi.h +F: lib/kunit/kunit-example-uapi.c F: lib/kunit/kunit-uapi.c KVM PARAVIRT (KVM/paravirt) diff --git a/lib/kunit/Makefile b/lib/kunit/Makefile index 6059621a2d32..2434470e9985 100644 --- a/lib/kunit/Makefile +++ b/lib/kunit/Makefile @@ -1,3 +1,5 @@ +include $(srctree)/init/Makefile.nolibc + obj-$(CONFIG_KUNIT) += kunit.o kunit-objs += test.o \ @@ -31,3 +33,11 @@ obj-$(CONFIG_KUNIT_TEST) += assert_test.o endif obj-$(CONFIG_KUNIT_EXAMPLE_TEST) += kunit-example-test.o + +userprogs += kunit-example-uapi +kunit-example-uapi-userccflags := -static $(NOLIBC_USERCFLAGS) + +ifdef CONFIG_KUNIT_UAPI +CFLAGS_kunit-example-test.o := -Wa,-I$(obj) +$(obj)/kunit-example-test.o: $(obj)/kunit-example-uapi +endif diff --git a/lib/kunit/kunit-example-test.c b/lib/kunit/kunit-example-test.c index 0bae7b7ca0b0..febabc995405 100644 --- a/lib/kunit/kunit-example-test.c +++ b/lib/kunit/kunit-example-test.c @@ -8,6 +8,7 @@ #include <kunit/test.h> #include <kunit/static_stub.h> +#include <kunit/uapi.h> /* * This is the most fundamental element of KUnit, the test case. A test case @@ -489,6 +490,19 @@ static void example_params_test_with_init_dynamic_arr(struct kunit *test) KUNIT_EXPECT_EQ(test, param_val - param_val, 0); } +/* + * This test shows the usage of UAPI tests. + */ +static void example_uapi_test(struct kunit *test) +{ + KUNIT_UAPI_EMBED_BLOB(kunit_example_uapi, "kunit-example-uapi"); + + if (IS_ENABLED(CONFIG_KUNIT_UAPI)) + kunit_uapi_run_kselftest(test, &kunit_example_uapi); + else + kunit_skip(test, "CONFIG_KUNIT_UAPI is not enabled"); +} + /* * Here we make a list of all the test cases we want to add to the test suite * below. @@ -514,6 +528,7 @@ static struct kunit_case example_test_cases[] = { kunit_array_gen_params, example_param_init_dynamic_arr, example_param_exit_dynamic_arr), KUNIT_CASE_SLOW(example_slow_test), + KUNIT_CASE(example_uapi_test), {} }; diff --git a/lib/kunit/kunit-example-uapi.c b/lib/kunit/kunit-example-uapi.c new file mode 100644 index 000000000000..5875b0d680d4 --- /dev/null +++ b/lib/kunit/kunit-example-uapi.c @@ -0,0 +1,22 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * KUnit Userspace example test. + * + * Copyright (C) 2026, Linutronix GmbH. + * Author: Thomas Weißschuh <[email protected]> + * + * This is *userspace* code. + */ + +#include "../../tools/testing/selftests/kselftest.h" + +int main(void) +{ + ksft_print_header(); + ksft_set_plan(4); + ksft_test_result_pass("userspace test 1\n"); + ksft_test_result_pass("userspace test 2\n"); + ksft_test_result_skip("userspace test 3: some reason\n"); + ksft_test_result_pass("userspace test 4\n"); + ksft_finished(); +} -- 2.53.0
