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107 lines
2.3 KiB
Go
107 lines
2.3 KiB
Go
package serialport
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import (
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"errors"
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"io"
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"strings"
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"testing"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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"gobot.io/x/gobot/v2"
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)
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var _ gobot.Adaptor = (*Adaptor)(nil)
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type nullReadWriteCloser struct {
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testAdaptorRead func(p []byte) (int, error)
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testAdaptorWrite func(b []byte) (int, error)
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testAdaptorClose func() error
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}
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func (n *nullReadWriteCloser) Write(p []byte) (int, error) {
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return n.testAdaptorWrite(p)
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}
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func (n *nullReadWriteCloser) Read(b []byte) (int, error) {
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return n.testAdaptorRead(b)
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}
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func (n *nullReadWriteCloser) Close() error {
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return n.testAdaptorClose()
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}
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func NewNullReadWriteCloser() *nullReadWriteCloser {
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return &nullReadWriteCloser{
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testAdaptorRead: func(p []byte) (int, error) {
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return len(p), nil
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},
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testAdaptorWrite: func(b []byte) (int, error) {
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return len(b), nil
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},
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testAdaptorClose: func() error {
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return nil
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},
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}
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}
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func initTestAdaptor() (*Adaptor, *nullReadWriteCloser) {
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a := NewAdaptor("/dev/null")
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rwc := NewNullReadWriteCloser()
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a.connect = func(string) (io.ReadWriteCloser, error) {
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return rwc, nil
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}
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return a, rwc
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}
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func TestNewAdaptor(t *testing.T) {
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a := NewAdaptor("/dev/null")
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assert.True(t, strings.HasPrefix(a.Name(), "Serial"))
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assert.Equal(t, "/dev/null", a.Port())
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}
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func TestName(t *testing.T) {
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a, _ := initTestAdaptor()
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assert.True(t, strings.HasPrefix(a.Name(), "Serial"))
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a.SetName("NewName")
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assert.Equal(t, "NewName", a.Name())
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}
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func TestReconnect(t *testing.T) {
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a, _ := initTestAdaptor()
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require.NoError(t, a.Connect())
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assert.True(t, a.connected)
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require.NoError(t, a.Reconnect())
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assert.True(t, a.connected)
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require.NoError(t, a.Disconnect())
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assert.False(t, a.connected)
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require.NoError(t, a.Reconnect())
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assert.True(t, a.connected)
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}
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func TestFinalize(t *testing.T) {
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a, rwc := initTestAdaptor()
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require.NoError(t, a.Connect())
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require.NoError(t, a.Finalize())
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rwc.testAdaptorClose = func() error {
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return errors.New("close error")
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}
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a.connected = true
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require.ErrorContains(t, a.Finalize(), "close error")
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}
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func TestConnect(t *testing.T) {
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a, _ := initTestAdaptor()
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require.NoError(t, a.Connect())
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a.connect = func(string) (io.ReadWriteCloser, error) {
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return nil, errors.New("connect error")
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}
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require.ErrorContains(t, a.Connect(), "connect error")
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}
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