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package libvirt
import (
"fmt"
"io"
"io/ioutil"
"os"
"testing"
"time"
"github.com/libvirt/libvirt-go-xml"
)
func TestLocalImageDownload(t *testing.T) {
content := []byte("this is a qcow image... well, it is not")
tmpfile, err := ioutil.TempFile("", "test-image-")
if err != nil {
t.Fatal(err)
}
defer os.Remove(tmpfile.Name())
t.Logf("Adding some content to %s", tmpfile.Name())
if _, err := tmpfile.Write(content); err != nil {
t.Fatal(err)
}
tmpfileStat, err := tmpfile.Stat()
if err != nil {
t.Fatal(err)
}
url := fmt.Sprintf("file://%s", tmpfile.Name())
image, err := newImage(url)
if err != nil {
t.Errorf("Could not create local image: %v", err)
}
t.Logf("Importing %s", url)
vol := newDefVolume()
vol.Target.Timestamps = &libvirtxml.StorageVolumeTargetTimestamps{
Mtime: fmt.Sprintf("%d.%d", tmpfileStat.ModTime().Unix(), tmpfileStat.ModTime().Nanosecond()),
}
copier := func(r io.Reader) error {
t.Fatalf("ERROR: starting copy of %s... but the file is the same!", url)
return nil
}
if err = image.Import(copier, vol); err != nil {
t.Fatalf("Could not copy image from %s: %v", url, err)
}
t.Log("File not copied because modification time was the same")
}
func TestRemoteImageDownload(t *testing.T) {
content := []byte("this is a qcow image... well, it is not")
fws := fileWebServer{}
if err := fws.Start(); err != nil {
t.Fatal(err)
}
defer fws.Stop()
url, tmpfile, err := fws.AddFile(content)
if err != nil {
t.Fatal(err)
}
tmpfileStat, err := tmpfile.Stat()
if err != nil {
t.Fatal(err)
}
image, err := newImage(url)
if err != nil {
t.Errorf("Could not create local image: %v", err)
}
t.Logf("Importing %s", url)
vol := newDefVolume()
vol.Target.Timestamps = &libvirtxml.StorageVolumeTargetTimestamps{
Mtime: fmt.Sprintf("%d.%d", tmpfileStat.ModTime().Unix(), tmpfileStat.ModTime().Nanosecond()),
}
copier := func(r io.Reader) error {
t.Fatalf("ERROR: starting copy of %s... but the file is the same!", url)
return nil
}
if err = image.Import(copier, vol); err != nil {
t.Fatalf("Could not copy image from %s: %v", url, err)
}
t.Log("File not copied because modification time was the same")
}
func TestTimeFromEpoch(t *testing.T) {
if ts := timeFromEpoch(""); ts.UnixNano() > 0 {
t.Fatalf("expected timestamp '0.0', got %v.%v", ts.Unix(), ts.Nanosecond())
}
if ts := timeFromEpoch("abc"); ts.UnixNano() > 0 {
t.Fatalf("expected timestamp '0.0', got %v.%v", ts.Unix(), ts.Nanosecond())
}
if ts := timeFromEpoch("123"); ts.UnixNano() != time.Unix(123, 0).UnixNano() {
t.Fatalf("expected timestamp '123.0', got %v.%v", ts.Unix(), ts.Nanosecond())
}
if ts := timeFromEpoch("123.456"); ts.UnixNano() != time.Unix(123, 456).UnixNano() {
t.Fatalf("expected timestamp '123.456', got %v.%v", ts.Unix(), ts.Nanosecond())
}
}
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