hybridgroup.gobot/platforms/gpio/servo_driver_test.go

76 lines
1.6 KiB
Go

package gpio
import (
"errors"
"testing"
"github.com/hybridgroup/gobot"
)
func initTestServoDriver() *ServoDriver {
return NewServoDriver(newGpioTestAdaptor("adaptor"), "bot", "1")
}
func TestServoDriver(t *testing.T) {
var err interface{}
d := initTestServoDriver()
gobot.Assert(t, d.Name(), "bot")
gobot.Assert(t, d.Pin(), "1")
gobot.Assert(t, d.Connection().Name(), "adaptor")
testAdaptorServoWrite = func() (err error) {
return errors.New("pwm error")
}
err = d.Command("Min")(nil)
gobot.Assert(t, err.(error), errors.New("pwm error"))
err = d.Command("Center")(nil)
gobot.Assert(t, err.(error), errors.New("pwm error"))
err = d.Command("Max")(nil)
gobot.Assert(t, err.(error), errors.New("pwm error"))
err = d.Command("Move")(map[string]interface{}{"angle": 100.0})
gobot.Assert(t, err.(error), errors.New("pwm error"))
}
func TestServoDriverStart(t *testing.T) {
d := initTestServoDriver()
gobot.Assert(t, len(d.Start()), 0)
}
func TestServoDriverHalt(t *testing.T) {
d := initTestServoDriver()
gobot.Assert(t, len(d.Halt()), 0)
}
func TestServoDriverMove(t *testing.T) {
d := initTestServoDriver()
d.Move(100)
gobot.Assert(t, d.CurrentAngle, uint8(100))
err := d.Move(200)
gobot.Assert(t, err, ErrServoOutOfRange)
}
func TestServoDriverMin(t *testing.T) {
d := initTestServoDriver()
d.Min()
gobot.Assert(t, d.CurrentAngle, uint8(0))
}
func TestServoDriverMax(t *testing.T) {
d := initTestServoDriver()
d.Max()
gobot.Assert(t, d.CurrentAngle, uint8(180))
}
func TestServoDriverCenter(t *testing.T) {
d := initTestServoDriver()
d.Center()
gobot.Assert(t, d.CurrentAngle, uint8(90))
}