chore: add test coverage for lib/findmy

Signed-off-by: deadprogram <[email protected]>

Author: deadprogram

lib/findmy/data_test.go

@@ -0,0 +1,67 @@
+package findmy
+
+import (
+	"testing"
+
+	"tinygo.org/x/bluetooth"
+)
+
+func TestNewData(t *testing.T) {
+	key := []byte{0xce, 0x8b, 0xad, 0x5f, 0x8a, 0x02, 0x71, 0x53, 0x8f, 0xf5, 0xaf, 0xda, 0x87, 0x49, 0x8c, 0xb0, 0x67, 0xe9, 0xa0, 0x20, 0xd6, 0xe4, 0x16, 0x78, 0x01, 0xd5, 0x5d, 0x83}
+	data := NewData(key)
+	if data.Data[2] != StatusBatteryFull {
+		t.Errorf("expected 0x%02x, got 0x%02x", StatusBatteryFull, data.Data[2])
+	}
+	if data.Data[3] != 0x71 {
+		t.Errorf("expected 0x71, got 0x%02x", data.Data[3])
+	}
+	if data.Data[4] != 0x53 {
+		t.Errorf("expected 0x53, got 0x%02x", data.Data[4])
+	}
+}
+
+func TestParseData(t *testing.T) {
+	address := bluetooth.Address{bluetooth.MACAddress{MAC: bluetooth.MAC{0x02, 0x8a, 0x5f, 0xad, 0x8b, 0xce}}}
+	startingkey := []byte{0xce, 0x8b, 0xad, 0x5f, 0x8a, 0x02, 0x71, 0x53, 0x8f, 0xf5, 0xaf, 0xda, 0x87, 0x49, 0x8c, 0xb0, 0x67, 0xe9, 0xa0, 0x20, 0xd6, 0xe4, 0x16, 0x78, 0x01, 0xd5, 0x5d, 0x83}
+	data := NewData(startingkey)
+	status, key, err := ParseData(address, data.Data)
+	if err != nil {
+		t.Fatal(err)
+	}
+	if status != StatusBatteryFull {
+		t.Errorf("expected 0x%02x, got 0x%02x", StatusBatteryFull, status)
+	}
+	if !bytesEqual(key, startingkey) {
+		t.Errorf("expected %v, got %v", startingkey, key)
+	}
+}
+
+func TestBatteryStatus(t *testing.T) {
+	tests := []struct {
+		status byte
+		want   string
+	}{
+		{StatusBatteryFull, "full"},
+		{StatusBatteryMedium, "medium"},
+		{StatusBatteryLow, "low"},
+		{0xff, "unknown"},
+	}
+	for _, test := range tests {
+		got := BatteryStatus(test.status)
+		if got != test.want {
+			t.Errorf("BatteryStatus(%d) = %q, want %q", test.status, got, test.want)
+		}
+	}
+}
+
+func bytesEqual(a, b []byte) bool {
+	if len(a) != len(b) {
+		return false
+	}
+	for i, av := range a {
+		if av != b[i] {
+			return false
+		}
+	}
+	return true
+}