hybridgroup.gobot/drivers/gpio/led_driver_test.go

79 lines
1.8 KiB
Go

package gpio
import (
"errors"
"testing"
"github.com/hybridgroup/gobot/gobottest"
)
func initTestLedDriver(conn DigitalWriter) *LedDriver {
testAdaptorDigitalWrite = func() (err error) {
return nil
}
testAdaptorPwmWrite = func() (err error) {
return nil
}
return NewLedDriver(conn, "1")
}
func TestLedDriver(t *testing.T) {
var err interface{}
d := initTestLedDriver(newGpioTestAdaptor())
gobottest.Assert(t, d.Pin(), "1")
gobottest.Refute(t, d.Connection(), nil)
testAdaptorDigitalWrite = func() (err error) {
return errors.New("write error")
}
testAdaptorPwmWrite = func() (err error) {
return errors.New("pwm error")
}
err = d.Command("Toggle")(nil)
gobottest.Assert(t, err.(error), errors.New("write error"))
err = d.Command("On")(nil)
gobottest.Assert(t, err.(error), errors.New("write error"))
err = d.Command("Off")(nil)
gobottest.Assert(t, err.(error), errors.New("write error"))
err = d.Command("Brightness")(map[string]interface{}{"level": 100.0})
gobottest.Assert(t, err.(error), errors.New("pwm error"))
}
func TestLedDriverStart(t *testing.T) {
d := initTestLedDriver(newGpioTestAdaptor())
gobottest.Assert(t, len(d.Start()), 0)
}
func TestLedDriverHalt(t *testing.T) {
d := initTestLedDriver(newGpioTestAdaptor())
gobottest.Assert(t, len(d.Halt()), 0)
}
func TestLedDriverToggle(t *testing.T) {
d := initTestLedDriver(newGpioTestAdaptor())
d.Off()
d.Toggle()
gobottest.Assert(t, d.State(), true)
d.Toggle()
gobottest.Assert(t, d.State(), false)
}
func TestLedDriverBrightness(t *testing.T) {
d := initTestLedDriver(&gpioTestDigitalWriter{})
gobottest.Assert(t, d.Brightness(150), ErrPwmWriteUnsupported)
d = initTestLedDriver(newGpioTestAdaptor())
testAdaptorPwmWrite = func() (err error) {
err = errors.New("pwm error")
return
}
gobottest.Assert(t, d.Brightness(150), errors.New("pwm error"))
}