170 lines
4.9 KiB
Go
170 lines
4.9 KiB
Go
package edison
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import (
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"errors"
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"testing"
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"github.com/hybridgroup/gobot"
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"github.com/hybridgroup/gobot/sysfs"
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)
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type NullReadWriteCloser struct{}
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func (NullReadWriteCloser) Write(p []byte) (int, error) {
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return len(p), nil
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}
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func (NullReadWriteCloser) Read(b []byte) (int, error) {
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return len(b), nil
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}
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var closeErr error = nil
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func (NullReadWriteCloser) Close() error {
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return closeErr
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}
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func initTestEdisonAdaptor() (*EdisonAdaptor, *sysfs.MockFilesystem) {
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a := NewEdisonAdaptor("myAdaptor")
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fs := sysfs.NewMockFilesystem([]string{
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"/sys/bus/iio/devices/iio:device1/in_voltage0_raw",
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"/sys/kernel/debug/gpio_debug/gpio111/current_pinmux",
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"/sys/kernel/debug/gpio_debug/gpio115/current_pinmux",
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"/sys/kernel/debug/gpio_debug/gpio114/current_pinmux",
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"/sys/kernel/debug/gpio_debug/gpio109/current_pinmux",
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"/sys/kernel/debug/gpio_debug/gpio131/current_pinmux",
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"/sys/kernel/debug/gpio_debug/gpio129/current_pinmux",
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"/sys/kernel/debug/gpio_debug/gpio40/current_pinmux",
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"/sys/kernel/debug/gpio_debug/gpio13/current_pinmux",
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"/sys/kernel/debug/gpio_debug/gpio28/current_pinmux",
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"/sys/kernel/debug/gpio_debug/gpio27/current_pinmux",
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"/sys/class/pwm/pwmchip0/export",
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"/sys/class/pwm/pwmchip0/unexport",
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"/sys/class/pwm/pwmchip0/pwm1/duty_cycle",
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"/sys/class/pwm/pwmchip0/pwm1/period",
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"/sys/class/pwm/pwmchip0/pwm1/enable",
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"/sys/class/gpio/export",
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"/sys/class/gpio/unexport",
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"/sys/class/gpio/gpio13/value",
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"/sys/class/gpio/gpio13/direction",
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"/sys/class/gpio/gpio40/value",
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"/sys/class/gpio/gpio40/direction",
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"/sys/class/gpio/gpio128/value",
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"/sys/class/gpio/gpio128/direction",
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"/sys/class/gpio/gpio221/value",
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"/sys/class/gpio/gpio221/direction",
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"/sys/class/gpio/gpio243/value",
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"/sys/class/gpio/gpio243/direction",
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"/sys/class/gpio/gpio229/direction",
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"/sys/class/gpio/gpio253/value",
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"/sys/class/gpio/gpio253/direction",
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"/sys/class/gpio/gpio261/value",
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"/sys/class/gpio/gpio261/direction",
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"/sys/class/gpio/gpio214/value",
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"/sys/class/gpio/gpio214/direction",
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"/sys/class/gpio/gpio14/direction",
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"/sys/class/gpio/gpio14/value",
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"/sys/class/gpio/gpio165/direction",
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"/sys/class/gpio/gpio165/value",
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"/sys/class/gpio/gpio212/direction",
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"/sys/class/gpio/gpio212/value",
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"/sys/class/gpio/gpio213/direction",
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"/sys/class/gpio/gpio213/value",
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"/sys/class/gpio/gpio236/direction",
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"/sys/class/gpio/gpio236/value",
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"/sys/class/gpio/gpio237/direction",
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"/sys/class/gpio/gpio237/value",
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"/sys/class/gpio/gpio204/direction",
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"/sys/class/gpio/gpio204/value",
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"/sys/class/gpio/gpio205/direction",
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"/sys/class/gpio/gpio205/value",
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"/sys/class/gpio/gpio263/direction",
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"/sys/class/gpio/gpio263/value",
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"/sys/class/gpio/gpio262/direction",
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"/sys/class/gpio/gpio262/value",
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"/sys/class/gpio/gpio240/direction",
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"/sys/class/gpio/gpio240/value",
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"/sys/class/gpio/gpio241/direction",
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"/sys/class/gpio/gpio241/value",
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"/sys/class/gpio/gpio242/direction",
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"/sys/class/gpio/gpio242/value",
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"/sys/class/gpio/gpio218/direction",
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"/sys/class/gpio/gpio218/value",
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"/sys/class/gpio/gpio250/direction",
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"/sys/class/gpio/gpio250/value",
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"/dev/i2c-6",
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})
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sysfs.SetFilesystem(fs)
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fs.Files["/sys/class/pwm/pwmchip0/pwm1/period"].Contents = "5000\n"
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a.Connect()
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return a, fs
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}
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func TestEdisonAdaptor(t *testing.T) {
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a, _ := initTestEdisonAdaptor()
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gobot.Assert(t, a.Name(), "myAdaptor")
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}
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func TestEdisonAdaptorConnect(t *testing.T) {
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a, _ := initTestEdisonAdaptor()
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gobot.Assert(t, len(a.Connect()), 0)
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a = NewEdisonAdaptor("myAdaptor")
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sysfs.SetFilesystem(sysfs.NewMockFilesystem([]string{}))
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gobot.Refute(t, len(a.Connect()), 0)
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}
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func TestEdisonAdaptorFinalize(t *testing.T) {
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a, _ := initTestEdisonAdaptor()
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a.DigitalWrite("3", 1)
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a.PwmWrite("5", 100)
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a.i2cDevice = &NullReadWriteCloser{}
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gobot.Assert(t, len(a.Finalize()), 0)
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closeErr = errors.New("close error")
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sysfs.SetFilesystem(sysfs.NewMockFilesystem([]string{}))
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gobot.Refute(t, len(a.Finalize()), 0)
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}
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func TestEdisonAdaptorDigitalIO(t *testing.T) {
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a, fs := initTestEdisonAdaptor()
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a.DigitalWrite("13", 1)
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gobot.Assert(t, fs.Files["/sys/class/gpio/gpio40/value"].Contents, "1")
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a.DigitalWrite("2", 0)
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i, err := a.DigitalRead("2")
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gobot.Assert(t, err, nil)
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gobot.Assert(t, i, 0)
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}
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func TestEdisonAdaptorI2c(t *testing.T) {
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a, _ := initTestEdisonAdaptor()
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sysfs.SetSyscall(&sysfs.MockSyscall{})
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a.I2cStart(0xff)
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a.I2cWrite([]byte{0x00, 0x01})
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data, _ := a.I2cRead(2)
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gobot.Assert(t, data, []byte{0x00, 0x01})
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}
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func TestEdisonAdaptorPwm(t *testing.T) {
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a, fs := initTestEdisonAdaptor()
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err := a.PwmWrite("5", 100)
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gobot.Assert(t, err, nil)
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gobot.Assert(t, fs.Files["/sys/class/pwm/pwmchip0/pwm1/duty_cycle"].Contents, "1960")
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err = a.PwmWrite("7", 100)
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gobot.Assert(t, err, errors.New("Not a PWM pin"))
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}
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func TestEdisonAdaptorAnalog(t *testing.T) {
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a, fs := initTestEdisonAdaptor()
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fs.Files["/sys/bus/iio/devices/iio:device1/in_voltage0_raw"].Contents = "1000\n"
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i, _ := a.AnalogRead("0")
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gobot.Assert(t, i, 1000)
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}
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