drivers/hid/hid-input-test.c

   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_set_battery_charge_status(struct kunit *test)
  11 {
  12         struct hid_device *dev;
  13         bool handled;
  14
  15         dev = kunit_kzalloc(test, sizeof(*dev), GFP_KERNEL);
  16         KUNIT_ASSERT_NOT_ERR_OR_NULL(test, dev);
  17
  18         handled = hidinput_set_battery_charge_status(dev, HID_DG_HEIGHT, 0);
  19         KUNIT_EXPECT_FALSE(test, handled);
  20         KUNIT_EXPECT_EQ(test, dev->battery_charge_status, POWER_SUPPLY_STATUS_UNKNOWN);
  21
  22         handled = hidinput_set_battery_charge_status(dev, HID_BAT_CHARGING, 0);
  23         KUNIT_EXPECT_TRUE(test, handled);
  24         KUNIT_EXPECT_EQ(test, dev->battery_charge_status, POWER_SUPPLY_STATUS_DISCHARGING);
  25
  26         handled = hidinput_set_battery_charge_status(dev, HID_BAT_CHARGING, 1);
  27         KUNIT_EXPECT_TRUE(test, handled);
  28         KUNIT_EXPECT_EQ(test, dev->battery_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_device *dev;
  35         union power_supply_propval val;
  36         int ret;
  37
  38         dev = kunit_kzalloc(test, sizeof(*dev), GFP_KERNEL);
  39         KUNIT_ASSERT_NOT_ERR_OR_NULL(test, dev);
  40         dev->battery_avoid_query = true;
  41
  42         psy = kunit_kzalloc(test, sizeof(*psy), GFP_KERNEL);
  43         KUNIT_ASSERT_NOT_ERR_OR_NULL(test, psy);
  44         psy->drv_data = dev;
  45
  46         dev->battery_status = HID_BATTERY_UNKNOWN;
  47         dev->battery_charge_status = POWER_SUPPLY_STATUS_CHARGING;
  48         ret = hidinput_get_battery_property(psy, POWER_SUPPLY_PROP_STATUS, &val);
  49         KUNIT_EXPECT_EQ(test, ret, 0);
  50         KUNIT_EXPECT_EQ(test, val.intval, POWER_SUPPLY_STATUS_UNKNOWN);
  51
  52         dev->battery_status = HID_BATTERY_REPORTED;
  53         dev->battery_charge_status = POWER_SUPPLY_STATUS_CHARGING;
  54         ret = hidinput_get_battery_property(psy, POWER_SUPPLY_PROP_STATUS, &val);
  55         KUNIT_EXPECT_EQ(test, ret, 0);
  56         KUNIT_EXPECT_EQ(test, val.intval, POWER_SUPPLY_STATUS_CHARGING);
  57
  58         dev->battery_status = HID_BATTERY_REPORTED;
  59         dev->battery_charge_status = POWER_SUPPLY_STATUS_DISCHARGING;
  60         ret = hidinput_get_battery_property(psy, POWER_SUPPLY_PROP_STATUS, &val);
  61         KUNIT_EXPECT_EQ(test, ret, 0);
  62         KUNIT_EXPECT_EQ(test, val.intval, POWER_SUPPLY_STATUS_DISCHARGING);
  63 }
  64
  65 static struct kunit_case hid_input_tests[] = {
  66         KUNIT_CASE(hid_test_input_set_battery_charge_status),
  67         KUNIT_CASE(hid_test_input_get_battery_property),
  68         { }
  69 };
  70
  71 static struct kunit_suite hid_input_test_suite = {
  72         .name = "hid_input",
  73         .test_cases = hid_input_tests,
  74 };
  75
  76 kunit_test_suite(hid_input_test_suite);
  77
  78 MODULE_DESCRIPTION("HID input KUnit tests");
  79 MODULE_LICENSE("GPL");
  80 MODULE_AUTHOR("José Expósito <jose.exposito89@gmail.com>");