xref: /linux/drivers/hid/hid-input-test.c (revision e2683c8868d03382da7e1ce8453b543a043066d1)
1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3  *  HID to Linux Input mapping
4  *
5  *  Copyright (c) 2022 José Expósito <jose.exposito89@gmail.com>
6  */
7 
8 #include <kunit/test.h>
9 
10 static void hid_test_input_update_battery_charge_status(struct kunit *test)
11 {
12 	struct hid_battery *bat;
13 	bool handled;
14 
15 	bat = kunit_kzalloc(test, sizeof(*bat), GFP_KERNEL);
16 	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, bat);
17 
18 	handled = hidinput_update_battery_charge_status(bat, HID_DG_HEIGHT, 0);
19 	KUNIT_EXPECT_FALSE(test, handled);
20 	KUNIT_EXPECT_EQ(test, bat->charge_status, POWER_SUPPLY_STATUS_UNKNOWN);
21 
22 	handled = hidinput_update_battery_charge_status(bat, HID_BAT_CHARGING, 0);
23 	KUNIT_EXPECT_TRUE(test, handled);
24 	KUNIT_EXPECT_EQ(test, bat->charge_status, POWER_SUPPLY_STATUS_DISCHARGING);
25 
26 	handled = hidinput_update_battery_charge_status(bat, HID_BAT_CHARGING, 1);
27 	KUNIT_EXPECT_TRUE(test, handled);
28 	KUNIT_EXPECT_EQ(test, bat->charge_status, POWER_SUPPLY_STATUS_CHARGING);
29 }
30 
31 static void hid_test_input_get_battery_property(struct kunit *test)
32 {
33 	struct power_supply *psy;
34 	struct hid_battery *bat;
35 	struct hid_device *dev;
36 	union power_supply_propval val;
37 	int ret;
38 
39 	dev = kunit_kzalloc(test, sizeof(*dev), GFP_KERNEL);
40 	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, dev);
41 
42 	bat = kunit_kzalloc(test, sizeof(*bat), GFP_KERNEL);
43 	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, bat);
44 	bat->dev = dev;
45 	bat->avoid_query = true;
46 
47 	psy = kunit_kzalloc(test, sizeof(*psy), GFP_KERNEL);
48 	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, psy);
49 	psy->drv_data = bat;
50 
51 	bat->status = HID_BATTERY_UNKNOWN;
52 	bat->charge_status = POWER_SUPPLY_STATUS_CHARGING;
53 	ret = hidinput_get_battery_property(psy, POWER_SUPPLY_PROP_STATUS, &val);
54 	KUNIT_EXPECT_EQ(test, ret, 0);
55 	KUNIT_EXPECT_EQ(test, val.intval, POWER_SUPPLY_STATUS_UNKNOWN);
56 
57 	bat->status = HID_BATTERY_REPORTED;
58 	bat->charge_status = POWER_SUPPLY_STATUS_CHARGING;
59 	ret = hidinput_get_battery_property(psy, POWER_SUPPLY_PROP_STATUS, &val);
60 	KUNIT_EXPECT_EQ(test, ret, 0);
61 	KUNIT_EXPECT_EQ(test, val.intval, POWER_SUPPLY_STATUS_CHARGING);
62 
63 	bat->status = HID_BATTERY_REPORTED;
64 	bat->charge_status = POWER_SUPPLY_STATUS_DISCHARGING;
65 	ret = hidinput_get_battery_property(psy, POWER_SUPPLY_PROP_STATUS, &val);
66 	KUNIT_EXPECT_EQ(test, ret, 0);
67 	KUNIT_EXPECT_EQ(test, val.intval, POWER_SUPPLY_STATUS_DISCHARGING);
68 }
69 
70 static struct kunit_case hid_input_tests[] = {
71 	KUNIT_CASE(hid_test_input_update_battery_charge_status),
72 	KUNIT_CASE(hid_test_input_get_battery_property),
73 	{ }
74 };
75 
76 static struct kunit_suite hid_input_test_suite = {
77 	.name = "hid_input",
78 	.test_cases = hid_input_tests,
79 };
80 
81 kunit_test_suite(hid_input_test_suite);
82 
83 MODULE_DESCRIPTION("HID input KUnit tests");
84 MODULE_LICENSE("GPL");
85 MODULE_AUTHOR("José Expósito <jose.exposito89@gmail.com>");
86