containerd/image_test.go
Jess Valarezo 1552ee23da client: Add helper function which checks if an image is unpacked
Signed-off-by: Jess Valarezo <valarezo.jessica@gmail.com>
2017-10-30 16:33:54 -07:00

59 lines
1.1 KiB
Go

package containerd
import (
"runtime"
"testing"
"github.com/containerd/containerd/errdefs"
)
func TestImageIsUnpacked(t *testing.T) {
if runtime.GOOS == "windows" {
t.Skip()
}
const imageName = "docker.io/library/busybox:latest"
ctx, cancel := testContext()
defer cancel()
client, err := newClient(t, address)
if err != nil {
t.Fatal(err)
}
defer client.Close()
// Cleanup
err = client.ImageService().Delete(ctx, imageName)
if err != nil && !errdefs.IsNotFound(err) {
t.Fatal(err)
}
// By default pull does not unpack an image
image, err := client.Pull(ctx, imageName)
if err != nil {
t.Fatal(err)
}
// Check that image is not unpacked
unpacked, err := image.IsUnpacked(ctx, DefaultSnapshotter)
if err != nil {
t.Fatal(err)
}
if unpacked {
t.Fatalf("image should not be unpacked")
}
// Check that image is unpacked
err = image.Unpack(ctx, DefaultSnapshotter)
if err != nil {
t.Fatal(err)
}
unpacked, err = image.IsUnpacked(ctx, DefaultSnapshotter)
if err != nil {
t.Fatal(err)
}
if !unpacked {
t.Fatalf("image should be unpacked")
}
}