containerd/export_test.go
Akihiro Suda 63401970c7 importer: refactor
- Use lease API (previoisly, GC was not supported)
- Refactored interfaces for ease of future Docker v1 importer support

For usage, please refer to `ctr images import --help`.

Signed-off-by: Akihiro Suda <suda.akihiro@lab.ntt.co.jp>
2017-12-05 12:48:32 +09:00

66 lines
1.1 KiB
Go

package containerd
import (
"archive/tar"
"io"
"runtime"
"testing"
"github.com/containerd/containerd/images/oci"
)
// TestOCIExport exports testImage as a tar stream
func TestOCIExport(t *testing.T) {
// TODO: support windows
if testing.Short() || runtime.GOOS == "windows" {
t.Skip()
}
ctx, cancel := testContext()
defer cancel()
client, err := New(address)
if err != nil {
t.Fatal(err)
}
defer client.Close()
pulled, err := client.Pull(ctx, testImage)
if err != nil {
t.Fatal(err)
}
exportedStream, err := client.Export(ctx, &oci.V1Exporter{}, pulled.Target())
if err != nil {
t.Fatal(err)
}
assertOCITar(t, exportedStream)
}
func assertOCITar(t *testing.T, r io.Reader) {
// TODO: add more assertion
tr := tar.NewReader(r)
foundOCILayout := false
foundIndexJSON := false
for {
h, err := tr.Next()
if err == io.EOF {
break
}
if err != nil {
t.Error(err)
continue
}
if h.Name == "oci-layout" {
foundOCILayout = true
}
if h.Name == "index.json" {
foundIndexJSON = true
}
}
if !foundOCILayout {
t.Error("oci-layout not found")
}
if !foundIndexJSON {
t.Error("index.json not found")
}
}