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firewire: test: add KUnit test for device attributes

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The traverse over CSR space results in attributes of node and unit
devices. Any test of the traverse is useful.

This commit adds a skeleton of KUnit test for the purpose.

Link: https://lore.kernel.org/r/20231221134849.603857-4-o-takashi@sakamocchi.jp
Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
This commit is contained in:
Takashi Sakamoto 2023-12-25 07:23:00 +09:00
parent afa36dadd3
commit 1770d39d10
4 changed files with 40 additions and 0 deletions
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1
drivers/firewire/.kunitconfig
View file

@ -2,3 +2,4 @@ CONFIG_KUNIT=y
CONFIG_PCI=y
CONFIG_FIREWIRE=y
CONFIG_FIREWIRE_KUNIT_UAPI_TEST=y
CONFIG_FIREWIRE_KUNIT_DEVICE_ATTRIBUTE_TEST=y

16
drivers/firewire/Kconfig
View file

@ -34,6 +34,22 @@ config FIREWIRE_KUNIT_UAPI_TEST
For more information on KUnit and unit tests in general, refer
to the KUnit documentation in Documentation/dev-tools/kunit/.
config FIREWIRE_KUNIT_DEVICE_ATTRIBUTE_TEST
tristate "KUnit tests for device attributes" if !KUNIT_ALL_TESTS
depends on FIREWIRE && KUNIT
default KUNIT_ALL_TESTS
help
This builds the KUnit tests for device attribute for node and
unit.
KUnit tests run during boot and output the results to the debug
log in TAP format (https://testanything.org/). Only useful for
kernel devs running KUnit test harness and are not for inclusion
into a production build.
For more information on KUnit and unit tests in general, refer
to the KUnit documentation in Documentation/dev-tools/kunit/.
config FIREWIRE_OHCI
tristate "OHCI-1394 controllers"
depends on PCI && FIREWIRE && MMU

4
drivers/firewire/core-device.c
View file

@ -1310,3 +1310,7 @@ void fw_node_event(struct fw_card *card, struct fw_node *node, int event)
break;
}
}
#ifdef CONFIG_FIREWIRE_KUNIT_DEVICE_ATTRIBUTE_TEST
#include "device-attribute-test.c"
#endif

19
drivers/firewire/device-attribute-test.c Normal file
View file

@ -0,0 +1,19 @@
// SPDX-License-Identifier: GPL-2.0-only
//
// device-attribute-test.c - An application of Kunit to test implementation for device attributes.
//
// Copyright (c) 2023 Takashi Sakamoto
//
// This file can not be built independently since it is intentionally included in core-device.c.
#include <kunit/test.h>
static struct kunit_case device_attr_test_cases[] = {
{}
};
static struct kunit_suite device_attr_test_suite = {
.name = "firewire-device-attribute",
.test_cases = device_attr_test_cases,
};
kunit_test_suite(device_attr_test_suite);