hybridgroup.gobot/drivers/gpio/analog_sensor_driver_test.go

110 lines
2.3 KiB
Go

package gpio
import (
"errors"
"testing"
"time"
"gobot.io/x/gobot"
"gobot.io/x/gobot/gobottest"
)
var _ gobot.Driver = (*AnalogSensorDriver)(nil)
func TestAnalogSensorDriver(t *testing.T) {
d := NewAnalogSensorDriver(newGpioTestAdaptor(), "1")
gobottest.Refute(t, d.Connection(), nil)
// default interval
gobottest.Assert(t, d.interval, 10*time.Millisecond)
d = NewAnalogSensorDriver(newGpioTestAdaptor(), "42", 30*time.Second)
gobottest.Assert(t, d.Pin(), "42")
gobottest.Assert(t, d.interval, 30*time.Second)
testAdaptorAnalogRead = func() (val int, err error) {
val = 100
return
}
ret := d.Command("Read")(nil).(map[string]interface{})
gobottest.Assert(t, ret["val"].(int), 100)
gobottest.Assert(t, ret["err"], nil)
}
func TestAnalogSensorDriverStart(t *testing.T) {
sem := make(chan bool, 1)
d := NewAnalogSensorDriver(newGpioTestAdaptor(), "1")
gobottest.Assert(t, d.Start(), nil)
// expect data to be received
d.Once(d.Event(Data), func(data interface{}) {
gobottest.Assert(t, data.(int), 100)
sem <- true
})
// send data
testAdaptorAnalogRead = func() (val int, err error) {
val = 100
return
}
select {
case <-sem:
case <-time.After(10 * time.Second):
t.Errorf("AnalogSensor Event \"Data\" was not published")
}
// expect error to be received
d.Once(d.Event(Error), func(data interface{}) {
gobottest.Assert(t, data.(error).Error(), "read error")
sem <- true
})
// send error
testAdaptorAnalogRead = func() (val int, err error) {
err = errors.New("read error")
return
}
select {
case <-sem:
case <-time.After(10 * time.Second):
t.Errorf("AnalogSensor Event \"Error\" was not published")
}
// send a halt message
d.Once(d.Event(Data), func(data interface{}) {
sem <- true
})
testAdaptorAnalogRead = func() (val int, err error) {
val = 200
return
}
d.halt <- true
select {
case <-sem:
t.Errorf("AnalogSensor Event should not published")
case <-time.After(100 * time.Millisecond):
}
}
func TestAnalogSensorDriverHalt(t *testing.T) {
d := NewAnalogSensorDriver(newGpioTestAdaptor(), "1")
done := make(chan struct{})
go func() {
<-d.halt
close(done)
}()
gobottest.Assert(t, d.Halt(), nil)
select {
case <-done:
case <-time.After(time.Millisecond):
t.Errorf("AnalogSensor was not halted")
}
}