gotty/backend/localcommand/local_command_test.go

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2021-06-05 04:34:26 +08:00
package localcommand
import (
"bytes"
"reflect"
"testing"
"time"
)
func TestNewFactory(t *testing.T) {
factory, err := NewFactory("/bin/false", []string{}, &Options{CloseSignal: 123, CloseTimeout: 321})
if err != nil {
t.Errorf("NewFactory() returned error")
return
}
if factory.command != "/bin/false" {
t.Errorf("factory.command = %v, expected %v", factory.command, "/bin/false")
}
if !reflect.DeepEqual(factory.argv, []string{}) {
t.Errorf("factory.argv = %v, expected %v", factory.argv, []string{})
}
if !reflect.DeepEqual(factory.options, &Options{CloseSignal: 123, CloseTimeout: 321}) {
t.Errorf("factory.options = %v, expected %v", factory.options, &Options{})
}
slave, _ := factory.New(nil)
lcmd := slave.(*LocalCommand)
if lcmd.closeSignal != 123 {
t.Errorf("lcmd.closeSignal = %v, expected %v", lcmd.closeSignal, 123)
}
if lcmd.closeTimeout != time.Second*321 {
t.Errorf("lcmd.closeTimeout = %v, expected %v", lcmd.closeTimeout, time.Second*321)
}
}
func TestFactoryNew(t *testing.T) {
factory, err := NewFactory("/bin/cat", []string{}, &Options{})
if err != nil {
t.Errorf("NewFactory() returned error")
return
}
slave, err := factory.New(nil)
if err != nil {
t.Errorf("factory.New() returned error")
return
}
writeBuf := []byte("foobar\n")
n, err := slave.Write(writeBuf)
if err != nil {
t.Errorf("write() failed: %v", err)
return
}
if n != 7 {
t.Errorf("Unexpected write length. n = %d, expected n = %d", n, 7)
return
}
// Local echo is on, so we get the output twice:
// Once because we're "typing" it, and once more
// repeated back to us by `cat`. Also, \r\n
// because we're a terminal.
expectedBuf := []byte("foobar\r\nfoobar\r\n")
readBuf := make([]byte, 1024)
var totalRead int
for totalRead < 16 {
n, err = slave.Read(readBuf[totalRead:])
if err != nil {
t.Errorf("read() failed: %v", err)
return
}
totalRead += n
}
if totalRead != 16 {
t.Errorf("Unexpected read length. totalRead = %d, expected totalRead = %d", totalRead, 16)
return
}
if !bytes.Equal(readBuf[:totalRead], expectedBuf) {
t.Errorf("unexpected output from slave: got %v, expected %v", readBuf[:totalRead], expectedBuf)
}
err = slave.Close()
if err != nil {
t.Errorf("close() failed: %v", err)
return
}
}