From patchwork Wed Nov 28 19:36:27 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Brendan Higgins X-Patchwork-Id: 10703237 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id E572D18B8 for ; Wed, 28 Nov 2018 19:38:11 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id D887C29F77 for ; Wed, 28 Nov 2018 19:38:11 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id CCB012B182; Wed, 28 Nov 2018 19:38:11 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-15.5 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI, USER_IN_DEF_DKIM_WL autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 42CA72B0FF for ; Wed, 28 Nov 2018 19:38:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729391AbeK2Gky (ORCPT ); Thu, 29 Nov 2018 01:40:54 -0500 Received: from mail-pf1-f202.google.com ([209.85.210.202]:40706 "EHLO mail-pf1-f202.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727037AbeK2Gkx (ORCPT ); Thu, 29 Nov 2018 01:40:53 -0500 Received: by mail-pf1-f202.google.com with SMTP id p15so12687677pfk.7 for ; Wed, 28 Nov 2018 11:38:08 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=date:in-reply-to:message-id:mime-version:references:subject:from:to :cc; bh=4IKZcfrlGwiEH28lOjBx5LUer+sMqwxtctpWBn7VdAA=; b=UCoLXEex5P9gF0WFmCQLfGm+EaXZnIgPgEFS3D1b4XYYWAOr+oa/EhGwwpLKUwMoHv tuJbY1Jo3rvL8QmWbs7VoXQHUKjYsLzaBbfgWlUF+9QyDx525KsLaNCtov3bGDxjIhMq aM9iwePUKMTX37lxS70ZAWsaefCmazhkVU1LrnhwSaPzk58SYuodbP5WiEVAf4ddjWGQ vg3Lc4t7W5ZhhY1HXZ3yidiCg+ml4Pij4s8TMqdveqJjh4UqSzIhEcso6TdsYOZbQN5H NW1ao59aOBDsIVqCi+2gphq5l6I2W8ahTtcVviP7cBirF0n/1VG8Pw3Xk2vaa5oYScKA /1Zw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:in-reply-to:message-id:mime-version :references:subject:from:to:cc; bh=4IKZcfrlGwiEH28lOjBx5LUer+sMqwxtctpWBn7VdAA=; b=asEmEw77s8iUR89JJf86X+K7Ds5USLvqjCtL2p7ntY9h1lPIC/+/zvvInYdZg558rm 5i+zV1uJqdOsfMtephZf29vf6WWVVapqAkj+wbjp25aXzik2bLt6Zjvbx6+pWmkygUrc HJEr6AMjSQlg8iEANJ5PdJcXZbeoCMxJTiDdtjdqP4JmJGOWgw/wKXLdGi9jXy9QeVBa zoC3i6FwbTtoqeK3SUJg6yCVOaLZphsIaZj1r3B4ieAvXNbTi8BE1GYfbtoQ795EdisT qJeWN5nx49LM9csoJXVHRSs6IVMOcul9cUZ7/R1mww0FFgXl/o+7no83rwZB0g124jYH M/mg== X-Gm-Message-State: AA+aEWZWj3N2dmiramW0HldLYGa4bDcBs3rQQODf3cM0kpTTbcIvdQrY wkPL1XaBu3lfHvsnpSDGo95mhRj+AB2MmvcHa/+snA== X-Google-Smtp-Source: AFSGD/WnggAFh0owRTchvcPojBQP+KX0t2TGac4DD2dNnzBrZvZn2nu84oJBGeXQPeslzFI8Ot+IGoVssdKwirNseddX6g== X-Received: by 2002:aa7:81cc:: with SMTP id c12mr2953373pfn.69.1543433888545; Wed, 28 Nov 2018 11:38:08 -0800 (PST) Date: Wed, 28 Nov 2018 11:36:27 -0800 In-Reply-To: <20181128193636.254378-1-brendanhiggins@google.com> Message-Id: <20181128193636.254378-11-brendanhiggins@google.com> Mime-Version: 1.0 References: <20181128193636.254378-1-brendanhiggins@google.com> X-Mailer: git-send-email 2.20.0.rc0.387.gc7a69e6b6c-goog Subject: [RFC v3 10/19] kunit: test: add test managed resource tests From: Brendan Higgins To: gregkh@linuxfoundation.org, keescook@google.com, mcgrof@kernel.org, shuah@kernel.org Cc: joel@jms.id.au, mpe@ellerman.id.au, joe@perches.com, brakmo@fb.com, rostedt@goodmis.org, Tim.Bird@sony.com, khilman@baylibre.com, julia.lawall@lip6.fr, linux-kselftest@vger.kernel.org, kunit-dev@googlegroups.com, linux-kernel@vger.kernel.org, jdike@addtoit.com, richard@nod.at, linux-um@lists.infradead.org, daniel@ffwll.ch, dri-devel@lists.freedesktop.org, robh@kernel.org, dan.j.williams@intel.com, linux-nvdimm@lists.01.org, kieran.bingham@ideasonboard.com, frowand.list@gmail.com, knut.omang@oracle.com, Brendan Higgins , Avinash Kondareddy Sender: linux-kselftest-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kselftest@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Tests how tests interact with test managed resources in their lifetime. Signed-off-by: Avinash Kondareddy Signed-off-by: Brendan Higgins --- kunit/test-test.c | 121 +++++++++++++++++++++++++++++++++++++++++----- 1 file changed, 110 insertions(+), 11 deletions(-) diff --git a/kunit/test-test.c b/kunit/test-test.c index 88b3bcf9c4e00..36fd95c90a26a 100644 --- a/kunit/test-test.c +++ b/kunit/test-test.c @@ -7,31 +7,130 @@ */ #include -static void test_test_catches_segfault(struct kunit *test) +static void kunit_test_catches_segfault(struct kunit *test) { void (*invalid_func)(void) = (void (*)(void)) SIZE_MAX; KUNIT_ASSERT_SIGSEGV(test, invalid_func()); } -static int test_test_init(struct kunit *test) +/* + * Context for testing test managed resources + * is_resource_initialized is used to test arbitrary resources + */ +struct kunit_test_context { + struct kunit test; + bool is_resource_initialized; +}; + +static int fake_resource_init(struct kunit_resource *res, void *context) { + struct kunit_test_context *ctx = context; + + res->allocation = &ctx->is_resource_initialized; + ctx->is_resource_initialized = true; return 0; } -static void test_test_exit(struct kunit *test) +static void fake_resource_free(struct kunit_resource *res) +{ + bool *is_resource_initialized = res->allocation; + + *is_resource_initialized = false; +} + +static void kunit_test_init_resources(struct kunit *test) +{ + struct kunit_test_context *ctx = test->priv; + + kunit_init_test(&ctx->test, "testing_test_init_test"); + + KUNIT_EXPECT_TRUE(test, list_empty(&ctx->test.resources)); +} + +static void kunit_test_alloc_resource(struct kunit *test) +{ + struct kunit_test_context *ctx = test->priv; + struct kunit_resource *res; + kunit_resource_free_t free = fake_resource_free; + + res = kunit_alloc_resource(&ctx->test, + fake_resource_init, + fake_resource_free, + ctx); + + KUNIT_ASSERT_NOT_ERR_OR_NULL(test, res); + KUNIT_EXPECT_EQ(test, &ctx->is_resource_initialized, res->allocation); + KUNIT_EXPECT_TRUE(test, list_is_last(&res->node, &ctx->test.resources)); + KUNIT_EXPECT_EQ(test, free, res->free); +} + +static void kunit_test_free_resource(struct kunit *test) { + struct kunit_test_context *ctx = test->priv; + struct kunit_resource *res = kunit_alloc_resource(&ctx->test, + fake_resource_init, + fake_resource_free, + ctx); + + kunit_free_resource(&ctx->test, res); + + KUNIT_EXPECT_EQ(test, false, ctx->is_resource_initialized); + KUNIT_EXPECT_TRUE(test, list_empty(&ctx->test.resources)); +} + +static void kunit_test_cleanup_resources(struct kunit *test) +{ + int i; + const int num_res = 5; + struct kunit_test_context *ctx = test->priv; + struct kunit_resource *resources[num_res]; + + for (i = 0; i < num_res; i++) { + resources[i] = kunit_alloc_resource(&ctx->test, + fake_resource_init, + fake_resource_free, + ctx); + } + + kunit_cleanup(&ctx->test); + + KUNIT_EXPECT_TRUE(test, list_empty(&ctx->test.resources)); +} + +static int kunit_test_init(struct kunit *test) +{ + struct kunit_test_context *ctx = kzalloc(sizeof(*ctx), GFP_KERNEL); + + if (!ctx) + return -ENOMEM; + test->priv = ctx; + + kunit_init_test(&ctx->test, "test_test_context"); + return 0; +} + +static void kunit_test_exit(struct kunit *test) +{ + struct kunit_test_context *ctx = test->priv; + + kunit_cleanup(&ctx->test); + kfree(ctx); } -static struct kunit_case test_test_cases[] = { - KUNIT_CASE(test_test_catches_segfault), +static struct kunit_case kunit_test_cases[] = { + KUNIT_CASE(kunit_test_catches_segfault), + KUNIT_CASE(kunit_test_init_resources), + KUNIT_CASE(kunit_test_alloc_resource), + KUNIT_CASE(kunit_test_free_resource), + KUNIT_CASE(kunit_test_cleanup_resources), {}, }; -static struct kunit_module test_test_module = { - .name = "test-test", - .init = test_test_init, - .exit = test_test_exit, - .test_cases = test_test_cases, +static struct kunit_module kunit_test_module = { + .name = "kunit-test", + .init = kunit_test_init, + .exit = kunit_test_exit, + .test_cases = kunit_test_cases, }; -module_test(test_test_module); +module_test(kunit_test_module);