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3e5d0784b9
This changes intends to reduce the bar to the kernel unit-testing by
introducing a new kernel-testing framework ("ktest") based on Netlink,
loadable test modules and python test suite integration.
This framework provides the following features:
* Integration to the FreeBSD test suite
* Automatic test discovery
* Automatic test module loading
* Minimal boiler-plate code in both kernel and userland
* Passing any metadata to the test
* Convenient environment pre-setup using python testing framework
* Streaming messages from the kernel to the userland
* Running tests in the dedicated taskqueues
* Skipping or parametrizing tests
Differential Revision: https://reviews.freebsd.org/D39385
MFC after: 2 weeks
135 lines
3.5 KiB
C
135 lines
3.5 KiB
C
/*-
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* SPDX-License-Identifier: BSD-2-Clause
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*
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* Copyright (c) 2023 Alexander V. Chernikov
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <tests/ktest.h>
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#include <sys/cdefs.h>
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#include <sys/systm.h>
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static int
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test_something(struct ktest_test_context *ctx)
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{
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KTEST_LOG(ctx, "I'm here, [%s]", __func__);
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pause("sleeping...", hz / 10);
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KTEST_LOG(ctx, "done");
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return (0);
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}
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static int
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test_something_else(struct ktest_test_context *ctx)
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{
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return (0);
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}
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static int
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test_failed(struct ktest_test_context *ctx)
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{
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return (EBUSY);
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}
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static int
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test_failed2(struct ktest_test_context *ctx)
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{
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KTEST_LOG(ctx, "failed because it always fails");
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return (EBUSY);
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}
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#include <sys/malloc.h>
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#include <netlink/netlink.h>
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#include <netlink/netlink_ctl.h>
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struct test1_attrs {
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uint32_t arg1;
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uint32_t arg2;
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char *text;
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};
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#define _OUT(_field) offsetof(struct test1_attrs, _field)
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static const struct nlattr_parser nla_p_test1[] = {
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{ .type = 1, .off = _OUT(arg1), .cb = nlattr_get_uint32 },
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{ .type = 2, .off = _OUT(arg2), .cb = nlattr_get_uint32 },
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{ .type = 3, .off = _OUT(text), .cb = nlattr_get_string },
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};
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#undef _OUT
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NL_DECLARE_ATTR_PARSER(test1_parser, nla_p_test1);
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static int
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test_with_params_parser(struct ktest_test_context *ctx, struct nlattr *nla)
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{
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struct test1_attrs *attrs = npt_alloc(ctx->npt, sizeof(*attrs));
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ctx->arg = attrs;
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if (attrs != NULL)
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return (nl_parse_nested(nla, &test1_parser, ctx->npt, attrs));
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return (ENOMEM);
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}
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static int
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test_with_params(struct ktest_test_context *ctx)
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{
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struct test1_attrs *attrs = ctx->arg;
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if (attrs->text != NULL)
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KTEST_LOG(ctx, "Get '%s'", attrs->text);
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KTEST_LOG(ctx, "%u + %u = %u", attrs->arg1, attrs->arg2,
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attrs->arg1 + attrs->arg2);
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return (0);
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}
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static const struct ktest_test_info tests[] = {
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{
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.name = "test_something",
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.desc = "example description",
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.func = &test_something,
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},
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{
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.name = "test_something_else",
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.desc = "example description 2",
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.func = &test_something_else,
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},
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{
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.name = "test_failed",
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.desc = "always failing test",
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.func = &test_failed,
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},
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{
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.name = "test_failed2",
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.desc = "always failing test",
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.func = &test_failed2,
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},
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{
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.name = "test_with_params",
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.desc = "test summing integers",
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.func = &test_with_params,
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.parse = &test_with_params_parser,
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},
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};
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KTEST_MODULE_DECLARE(ktest_example, tests);
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