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package dbus
import (
"os"
"testing"
)
const testString = `This is a test!
This text should be read from the file that is created by this test.`
type unixFDTest struct{}
func (t unixFDTest) Test(fd UnixFD) (string, *Error) {
var b [4096]byte
file := os.NewFile(uintptr(fd), "testfile")
defer file.Close()
n, err := file.Read(b[:])
if err != nil {
return "", &Error{"com.github.guelfey.test.Error", nil}
}
return string(b[:n]), nil
}
func TestUnixFDs(t *testing.T) {
conn, err := SessionBus()
if err != nil {
t.Fatal(err)
}
r, w, err := os.Pipe()
if err != nil {
t.Fatal(err)
}
defer w.Close()
if _, err := w.Write([]byte(testString)); err != nil {
t.Fatal(err)
}
name := conn.Names()[0]
test := unixFDTest{}
conn.Export(test, "/com/github/guelfey/test", "com.github.guelfey.test")
var s string
obj := conn.Object(name, "/com/github/guelfey/test")
err = obj.Call("com.github.guelfey.test.Test", 0, UnixFD(r.Fd())).Store(&s)
if err != nil {
t.Fatal(err)
}
if s != testString {
t.Fatal("got", s, "wanted", testString)
}
}
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