runc/syncpipe/sync_pipe_test.go

64 lines
1.1 KiB
Go

package syncpipe
import (
"fmt"
"testing"
)
type testStruct struct {
Name string
}
func TestSendErrorFromChild(t *testing.T) {
pipe, err := NewSyncPipe()
if err != nil {
t.Fatal(err)
}
defer func() {
if err := pipe.Close(); err != nil {
t.Fatal(err)
}
}()
expected := "something bad happened"
pipe.ReportChildError(fmt.Errorf(expected))
childError := pipe.ReadFromChild()
if childError == nil {
t.Fatal("expected an error to be returned but did not receive anything")
}
if childError.Error() != expected {
t.Fatalf("expected %q but received error message %q", expected, childError.Error())
}
}
func TestSendPayloadToChild(t *testing.T) {
pipe, err := NewSyncPipe()
if err != nil {
t.Fatal(err)
}
defer func() {
if err := pipe.Close(); err != nil {
t.Fatal(err)
}
}()
expected := "libcontainer"
if err := pipe.SendToChild(testStruct{Name: expected}); err != nil {
t.Fatal(err)
}
var s *testStruct
if err := pipe.ReadFromParent(&s); err != nil {
t.Fatal(err)
}
if s.Name != expected {
t.Fatalf("expected name %q but received %q", expected, s.Name)
}
}