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hybridgroup.gobot/platforms/raspi/raspi_adaptor_test.go
2014-11-19 17:44:08 -08:00

60 lines
1.3 KiB
Go

package raspi
import (
"testing"
"github.com/hybridgroup/gobot"
"github.com/hybridgroup/gobot/sysfs"
)
func initTestRaspiAdaptor() *RaspiAdaptor {
boardRevision = func() (string, string) {
return "3", "/dev/i2c-1"
}
a := NewRaspiAdaptor("myAdaptor")
a.Connect()
return a
}
func TestRaspiAdaptorFinalize(t *testing.T) {
a := initTestRaspiAdaptor()
a.DigitalWrite("3", 1)
a.i2cDevice = new(gobot.NullReadWriteCloser)
gobot.Assert(t, a.Finalize(), nil)
}
func TestRaspiAdaptorDigitalIO(t *testing.T) {
a := initTestRaspiAdaptor()
fs := sysfs.NewMockFilesystem([]string{
"/sys/class/gpio/export",
"/sys/class/gpio/unexport",
"/sys/class/gpio/gpio4/value",
"/sys/class/gpio/gpio4/direction",
"/sys/class/gpio/gpio27/value",
"/sys/class/gpio/gpio27/direction",
})
sysfs.SetFilesystem(fs)
a.DigitalWrite("7", 1)
gobot.Assert(t, fs.Files["/sys/class/gpio/gpio4/value"].Contents, "1")
a.DigitalWrite("13", 1)
i, _ := a.DigitalRead("13")
gobot.Assert(t, i, 1)
}
func TestRaspiAdaptorI2c(t *testing.T) {
a := initTestRaspiAdaptor()
fs := sysfs.NewMockFilesystem([]string{
"/dev/i2c-1",
})
sysfs.SetFilesystem(fs)
sysfs.SetSyscall(&sysfs.MockSyscall{})
a.I2cStart(0xff)
a.I2cWrite([]byte{0x00, 0x01})
data, _ := a.I2cRead(2)
gobot.Assert(t, data, []byte{0x00, 0x01})
}