hybridgroup.gobot/platforms/mavlink/mavlink_adaptor_test.go

76 lines
1.8 KiB
Go

package mavlink
import (
"errors"
"io"
"testing"
"github.com/hybridgroup/gobot"
"github.com/hybridgroup/gobot/gobottest"
)
var _ gobot.Adaptor = (*MavlinkAdaptor)(nil)
type nullReadWriteCloser struct{}
var payload = []byte{0xFE, 0x09, 0x4E, 0x01, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x03, 0x51, 0x04, 0x03, 0x1C, 0x7F}
var testAdaptorRead = func(p []byte) (int, error) {
return len(p), nil
}
func (nullReadWriteCloser) Write(p []byte) (int, error) {
return testAdaptorRead(p)
}
var testAdaptorWrite = func(b []byte) (int, error) {
if len(payload) > 0 {
copy(b, payload[:len(b)])
payload = payload[len(b):]
return len(b), nil
}
return 0, errors.New("out of bytes")
}
func (nullReadWriteCloser) Read(b []byte) (int, error) {
return testAdaptorWrite(b)
}
var testAdaptorClose = func() error {
return nil
}
func (nullReadWriteCloser) Close() error {
return testAdaptorClose()
}
func initTestMavlinkAdaptor() *MavlinkAdaptor {
m := NewMavlinkAdaptor("myAdaptor", "/dev/null")
m.sp = nullReadWriteCloser{}
m.connect = func(port string) (io.ReadWriteCloser, error) { return nil, nil }
return m
}
func TestMavlinkAdaptor(t *testing.T) {
a := initTestMavlinkAdaptor()
gobottest.Assert(t, a.Name(), "myAdaptor")
gobottest.Assert(t, a.Port(), "/dev/null")
}
func TestMavlinkAdaptorConnect(t *testing.T) {
a := initTestMavlinkAdaptor()
gobottest.Assert(t, len(a.Connect()), 0)
a.connect = func(port string) (io.ReadWriteCloser, error) { return nil, errors.New("connect error") }
gobottest.Assert(t, a.Connect()[0], errors.New("connect error"))
}
func TestMavlinkAdaptorFinalize(t *testing.T) {
a := initTestMavlinkAdaptor()
gobottest.Assert(t, len(a.Finalize()), 0)
testAdaptorClose = func() error {
return errors.New("close error")
}
gobottest.Assert(t, a.Finalize()[0], errors.New("close error"))
}