qmk-rgb/internal/hid/hid_test.go

package hid

import (
	"testing"

	"github.com/sstallion/go-hid"
)

func TestReadTimesOutWithoutData(t *testing.T) {
	// We can't directly inject an fd into the go-hid Device,
	// so we skip this test without a real HID device.
	t.Skip("requires real HID device")
}

// The signature is an exact pair, and the two halves are load-bearing in both
// directions: a firmware that puts Raw HID on a neighbouring page is a board this
// tool cannot address, and taking it anyway would mean writing lighting commands
// to a collection that does not answer them. A board that does so has to show up
// in the passed-over listing instead, which is what tells a user why.
func TestRawHIDIsAnExactPair(t *testing.T) {
	tests := []struct {
		name      string
		usagePage uint16
		usage     uint16
		want      bool
	}{
		{name: "the QMK Raw HID signature", usagePage: 0xff60, usage: 0x61, want: true},
		{name: "the Impact 80's own vendor interface", usagePage: 0xff80, usage: 0x61, want: false},
		{name: "another usage on the same page", usagePage: 0xff60, usage: 0x62, want: false},
		{name: "the keyboard collection of a keyboard", usagePage: 0x0001, usage: 0x06, want: false},
		{name: "the page with no usage", usagePage: 0xff60, usage: 0x00, want: false},
	}

	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			info := &hid.DeviceInfo{UsagePage: tt.usagePage, Usage: tt.usage}
			if got := isRawHID(info); got != tt.want {
				t.Errorf("isRawHID(%04X/%02X) = %t, want %t", tt.usagePage, tt.usage, got, tt.want)
			}
		})
	}
}