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sysfs: increase test coverage

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Signed-off-by: deadprogram <ron@hybridgroup.com>
This commit is contained in:
deadprogram 2017-04-09 12:00:14 +02:00
parent 0b7b1ec7b4
commit faf506dbcd
1 changed files with 38 additions and 0 deletions
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38
sysfs/digital_pin_test.go
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@ -84,3 +84,41 @@ func TestDigitalPin(t *testing.T) {
err = pin.Export()
gobottest.Assert(t, err.(*os.PathError).Err, errors.New("write error"))
}
func TestDigitalPinExportError(t *testing.T) {
fs := NewMockFilesystem([]string{
"/sys/class/gpio/export",
"/sys/class/gpio/unexport",
"/sys/class/gpio/gpio10/value",
"/sys/class/gpio/gpio10/direction",
})
SetFilesystem(fs)
pin := NewDigitalPin(10, "custom").(*digitalPin)
writeFile = func(File, []byte) (int, error) {
return 0, &os.PathError{Err: syscall.EBUSY}
}
err := pin.Export()
gobottest.Refute(t, err, nil)
}
func TestDigitalPinUnexportError(t *testing.T) {
fs := NewMockFilesystem([]string{
"/sys/class/gpio/export",
"/sys/class/gpio/unexport",
"/sys/class/gpio/gpio10/value",
"/sys/class/gpio/gpio10/direction",
})
SetFilesystem(fs)
pin := NewDigitalPin(10, "custom").(*digitalPin)
writeFile = func(File, []byte) (int, error) {
return 0, &os.PathError{Err: syscall.EBUSY}
}
err := pin.Unexport()
gobottest.Refute(t, err, nil)
}