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From: Brendan Higgins <brendanhiggins@google.com>
To: frowand.list@gmail.com, gregkh@linuxfoundation.org,
	jpoimboe@redhat.com,  keescook@google.com,
	kieran.bingham@ideasonboard.com, mcgrof@kernel.org,
	 peterz@infradead.org, robh@kernel.org, sboyd@kernel.org,
	shuah@kernel.org,  tytso@mit.edu, yamada.masahiro@socionext.com
Cc: pmladek@suse.com, linux-doc@vger.kernel.org, amir73il@gmail.com,
	Brendan Higgins <brendanhiggins@google.com>,
	dri-devel@lists.freedesktop.org, Alexander.Levin@microsoft.com,
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	torvalds@linux-foundation.org, rdunlap@infradead.org,
	linux-kernel@vger.kernel.org, daniel@ffwll.ch,
	mpe@ellerman.id.au, linux-fsdevel@vger.kernel.org
Subject: [PATCH v17 10/19] kunit: test: add tests for kunit test abort
Date: Fri, 20 Sep 2019 17:18:46 -0700
Message-ID: <20190921001855.200947-11-brendanhiggins@google.com> (raw)
In-Reply-To: <20190921001855.200947-1-brendanhiggins@google.com>

Add KUnit tests for the KUnit test abort mechanism (see preceding
commit). Add tests both for general try catch mechanism as well as
non-architecture specific mechanism.

Signed-off-by: Brendan Higgins <brendanhiggins@google.com>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Reviewed-by: Logan Gunthorpe <logang@deltatee.com>
Reviewed-by: Stephen Boyd <sboyd@kernel.org>
---
 lib/kunit/Makefile    |   3 +-
 lib/kunit/test-test.c | 106 ++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 108 insertions(+), 1 deletion(-)
 create mode 100644 lib/kunit/test-test.c

diff --git a/lib/kunit/Makefile b/lib/kunit/Makefile
index c9176c9c578c..769d9402b5d3 100644
--- a/lib/kunit/Makefile
+++ b/lib/kunit/Makefile
@@ -3,6 +3,7 @@ obj-$(CONFIG_KUNIT) +=			test.o \
 					assert.o \
 					try-catch.o
 
-obj-$(CONFIG_KUNIT_TEST) +=		string-stream-test.o
+obj-$(CONFIG_KUNIT_TEST) +=		test-test.o \
+					string-stream-test.o
 
 obj-$(CONFIG_KUNIT_EXAMPLE_TEST) +=	example-test.o
diff --git a/lib/kunit/test-test.c b/lib/kunit/test-test.c
new file mode 100644
index 000000000000..06d34d36b103
--- /dev/null
+++ b/lib/kunit/test-test.c
@@ -0,0 +1,106 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * KUnit test for core test infrastructure.
+ *
+ * Copyright (C) 2019, Google LLC.
+ * Author: Brendan Higgins <brendanhiggins@google.com>
+ */
+#include <kunit/test.h>
+
+struct kunit_try_catch_test_context {
+	struct kunit_try_catch *try_catch;
+	bool function_called;
+};
+
+static void kunit_test_successful_try(void *data)
+{
+	struct kunit *test = data;
+	struct kunit_try_catch_test_context *ctx = test->priv;
+
+	ctx->function_called = true;
+}
+
+static void kunit_test_no_catch(void *data)
+{
+	struct kunit *test = data;
+
+	KUNIT_FAIL(test, "Catch should not be called\n");
+}
+
+static void kunit_test_try_catch_successful_try_no_catch(struct kunit *test)
+{
+	struct kunit_try_catch_test_context *ctx = test->priv;
+	struct kunit_try_catch *try_catch = ctx->try_catch;
+
+	kunit_try_catch_init(try_catch,
+			     test,
+			     kunit_test_successful_try,
+			     kunit_test_no_catch);
+	kunit_try_catch_run(try_catch, test);
+
+	KUNIT_EXPECT_TRUE(test, ctx->function_called);
+}
+
+static void kunit_test_unsuccessful_try(void *data)
+{
+	struct kunit *test = data;
+	struct kunit_try_catch_test_context *ctx = test->priv;
+	struct kunit_try_catch *try_catch = ctx->try_catch;
+
+	kunit_try_catch_throw(try_catch);
+	KUNIT_FAIL(test, "This line should never be reached\n");
+}
+
+static void kunit_test_catch(void *data)
+{
+	struct kunit *test = data;
+	struct kunit_try_catch_test_context *ctx = test->priv;
+
+	ctx->function_called = true;
+}
+
+static void kunit_test_try_catch_unsuccessful_try_does_catch(struct kunit *test)
+{
+	struct kunit_try_catch_test_context *ctx = test->priv;
+	struct kunit_try_catch *try_catch = ctx->try_catch;
+
+	kunit_try_catch_init(try_catch,
+			     test,
+			     kunit_test_unsuccessful_try,
+			     kunit_test_catch);
+	kunit_try_catch_run(try_catch, test);
+
+	KUNIT_EXPECT_TRUE(test, ctx->function_called);
+}
+
+static int kunit_try_catch_test_init(struct kunit *test)
+{
+	struct kunit_try_catch_test_context *ctx;
+
+	ctx = kunit_kzalloc(test, sizeof(*ctx), GFP_KERNEL);
+	if (!ctx)
+		return -ENOMEM;
+
+	test->priv = ctx;
+
+	ctx->try_catch = kunit_kmalloc(test,
+				       sizeof(*ctx->try_catch),
+				       GFP_KERNEL);
+	if (!ctx->try_catch)
+		return -ENOMEM;
+
+	return 0;
+}
+
+static struct kunit_case kunit_try_catch_test_cases[] = {
+	KUNIT_CASE(kunit_test_try_catch_successful_try_no_catch),
+	KUNIT_CASE(kunit_test_try_catch_unsuccessful_try_does_catch),
+	{}
+};
+
+static struct kunit_suite kunit_try_catch_test_suite = {
+	.name = "kunit-try-catch-test",
+	.init = kunit_try_catch_test_init,
+	.test_cases = kunit_try_catch_test_cases,
+};
+kunit_test_suite(kunit_try_catch_test_suite);
-- 
2.23.0.351.gc4317032e6-goog

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  parent reply index

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-09-21  0:18 [PATCH v17 00/19] kunit: introduce KUnit, the Linux kernel unit testing framework Brendan Higgins
2019-09-21  0:18 ` [PATCH v17 01/19] kunit: test: add KUnit test runner core Brendan Higgins
2019-09-21  0:18 ` [PATCH v17 02/19] kunit: test: add test resource management API Brendan Higgins
2019-09-21  0:18 ` [PATCH v17 03/19] kunit: test: add string_stream a std::stream like string builder Brendan Higgins
2019-09-21  0:18 ` [PATCH v17 04/19] kunit: test: add assertion printing library Brendan Higgins
2019-09-21  0:18 ` [PATCH v17 05/19] kunit: test: add the concept of expectations Brendan Higgins
2019-09-21  0:18 ` [PATCH v17 06/19] lib: enable building KUnit in lib/ Brendan Higgins
2019-09-21  0:18 ` [PATCH v17 07/19] kunit: test: add initial tests Brendan Higgins
2019-09-22 16:28   ` Randy Dunlap
2019-09-23  9:05     ` Brendan Higgins
2019-09-21  0:18 ` [PATCH v17 08/19] objtool: add kunit_try_catch_throw to the noreturn list Brendan Higgins
2019-09-21  0:18 ` [PATCH v17 09/19] kunit: test: add support for test abort Brendan Higgins
2019-09-21  0:18 ` Brendan Higgins [this message]
2019-09-21  0:18 ` [PATCH v17 11/19] kunit: test: add the concept of assertions Brendan Higgins
2019-09-21  0:18 ` [PATCH v17 12/19] kunit: test: add tests for KUnit managed resources Brendan Higgins
2019-09-21  0:18 ` [PATCH v17 13/19] kunit: tool: add Python wrappers for running KUnit tests Brendan Higgins
2019-09-21  0:18 ` [PATCH v17 14/19] kunit: defconfig: add defconfigs for building " Brendan Higgins
2019-09-21  0:18 ` [PATCH v17 15/19] Documentation: kunit: add documentation for KUnit Brendan Higgins
2019-09-21  0:18 ` [PATCH v17 16/19] MAINTAINERS: add entry for KUnit the unit testing framework Brendan Higgins
2019-09-21  0:18 ` [PATCH v17 17/19] kernel/sysctl-test: Add null pointer test for sysctl.c:proc_dointvec() Brendan Higgins
2019-09-21  0:18 ` [PATCH v17 18/19] MAINTAINERS: add proc sysctl KUnit test to PROC SYSCTL section Brendan Higgins
2019-09-21  0:18 ` [PATCH v17 19/19] kunit: fix failure to build without printk Brendan Higgins

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