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: 10704183 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 C9C3517F0 for ; Thu, 29 Nov 2018 08:05:47 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id C00BC2E069 for ; Thu, 29 Nov 2018 08:05:47 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id B1D9F2B9BB; Thu, 29 Nov 2018 08:05:47 +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=-5.2 required=2.0 tests=BAYES_00,DKIM_ADSP_CUSTOM_MED, MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 573612B9BB for ; Thu, 29 Nov 2018 08:05:47 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id CD1446E48B; Thu, 29 Nov 2018 08:05:31 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from mail-pf1-x449.google.com (mail-pf1-x449.google.com [IPv6:2607:f8b0:4864:20::449]) by gabe.freedesktop.org (Postfix) with ESMTPS id E55B76E391 for ; Wed, 28 Nov 2018 19:38:08 +0000 (UTC) Received: by mail-pf1-x449.google.com with SMTP id s71so17559000pfi.22 for ; Wed, 28 Nov 2018 11:38:08 -0800 (PST) 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=PvFwByP6zuMUqJ1rOKog5kRtiTvPyMb+6RJ4AW4tk9C6Al3Lf8wNdZ7iL/hYTRmMW/ Y8sDllB/5elbTvxKNfvhb27qUA0+YFSD4TJO4h5dm7WkPhGqZQJlikc2sB7/VFLX2QI/ bWAoORSW3dgXmlIZhSMoTQ3qsvSsPXJ+dSkOpek6c3LmbtrfTn8NqzV5h18uav9LCrVI eM4B11JFdQgZ0QOwJP5jNfdigAXG7YPmMr75UcV0pPKZSbKXJK+Mf21rXB68FBq7T3QT eavVTItXWoG0I2icOsmtgC4yqfKmz+658gUECE9pMBHB5InpozEHxWdj3TBxk6iwVLGe KWLw== X-Gm-Message-State: AA+aEWY1Skm+4lu9aDzhsqixGVjMIagT/3bLoncblgSikdBNCu1JHEBz smcN0Nmwe6+FV8wtjSml1VfLgB1tHkSihmAmZbRgqw== 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 X-Mailman-Approved-At: Thu, 29 Nov 2018 08:03:11 +0000 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: brakmo@fb.com, jdike@addtoit.com, dri-devel@lists.freedesktop.org, linux-kselftest@vger.kernel.org, frowand.list@gmail.com, linux-nvdimm@lists.01.org, richard@nod.at, knut.omang@oracle.com, kieran.bingham@ideasonboard.com, joel@jms.id.au, khilman@baylibre.com, Brendan Higgins , Tim.Bird@sony.com, linux-um@lists.infradead.org, rostedt@goodmis.org, julia.lawall@lip6.fr, dan.j.williams@intel.com, kunit-dev@googlegroups.com, linux-kernel@vger.kernel.org, Avinash Kondareddy , mpe@ellerman.id.au, joe@perches.com Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" 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);