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package namespaces
import (
"fmt"
"testing"
"github.com/docker/libcontainer/network"
)
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(&network.NetworkState{VethHost: expected}); err != nil {
t.Fatal(err)
}
payload, err := pipe.ReadFromParent()
if err != nil {
t.Fatal(err)
}
if payload.VethHost != expected {
t.Fatalf("expected veth host %q but received %q", expected, payload.VethHost)
}
}
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