hybridgroup.gobot/drivers/spi/mfrc522_driver_test.go

45 lines
1.2 KiB
Go

package spi
import (
"strings"
"testing"
"gobot.io/x/gobot/v2"
"gobot.io/x/gobot/v2/gobottest"
)
// this ensures that the implementation is based on spi.Driver, which implements the gobot.Driver
// and tests all implementations, so no further tests needed here for gobot.Driver interface
var _ gobot.Driver = (*MFRC522Driver)(nil)
func initTestMFRC522DriverWithStubbedAdaptor() (*MFRC522Driver, *spiTestAdaptor) {
a := newSpiTestAdaptor()
d := NewMFRC522Driver(a)
if err := d.Start(); err != nil {
panic(err)
}
// reset the written bytes during Start()
a.spi.Reset()
return d, a
}
func TestNewMFRC522Driver(t *testing.T) {
var di interface{} = NewMFRC522Driver(newSpiTestAdaptor())
d, ok := di.(*MFRC522Driver)
if !ok {
t.Errorf("NewMFRC522Driver() should have returned a *MFRC522Driver")
}
gobottest.Refute(t, d.Driver, nil)
gobottest.Assert(t, strings.HasPrefix(d.Name(), "MFRC522"), true)
}
func TestMFRC522WriteByteData(t *testing.T) {
// arrange
d, a := initTestMFRC522DriverWithStubbedAdaptor()
// act
err := d.connection.WriteByteData(0x00, 0x00)
// assert
gobottest.Assert(t, err, nil)
gobottest.Assert(t, a.spi.Written(), []byte{0x00, 0x00})
}