d9dd68ef5d
Two test cases added - Prepare, Stat on new layer, should return Active layer. - Prepare & Commit , Stat on new layer, should return Committed layer Signed-off-by: Kunal Kushwaha <kushwaha_kunal_v7@lab.ntt.co.jp>
89 lines
2.1 KiB
Go
89 lines
2.1 KiB
Go
package snapshot
|
|
|
|
import (
|
|
"context"
|
|
"io/ioutil"
|
|
"os"
|
|
"path/filepath"
|
|
"testing"
|
|
|
|
"github.com/docker/containerd"
|
|
"github.com/docker/containerd/testutil"
|
|
"github.com/stretchr/testify/assert"
|
|
)
|
|
|
|
// Create a New Layer on top of base layer with Prepare, Stat on new layer, should return Active layer.
|
|
func checkSnapshotterStatActive(t *testing.T, snapshotter Snapshotter, work string) {
|
|
ctx := context.TODO()
|
|
preparing := filepath.Join(work, "preparing")
|
|
if err := os.MkdirAll(preparing, 0777); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
mounts, err := snapshotter.Prepare(ctx, preparing, "")
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
if len(mounts) < 1 {
|
|
t.Fatal("expected mounts to have entries")
|
|
}
|
|
|
|
if err = containerd.MountAll(mounts, preparing); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
defer testutil.Unmount(t, preparing)
|
|
|
|
if err = ioutil.WriteFile(filepath.Join(preparing, "foo"), []byte("foo\n"), 0777); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
si, err := snapshotter.Stat(ctx, preparing)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
assert.Equal(t, si.Name, preparing)
|
|
assert.Equal(t, KindActive, si.Kind)
|
|
assert.Equal(t, "", si.Parent)
|
|
}
|
|
|
|
// Commit a New Layer on top of base layer with Prepare & Commit , Stat on new layer, should return Committed layer.
|
|
func checkSnapshotterStatCommitted(t *testing.T, snapshotter Snapshotter, work string) {
|
|
ctx := context.TODO()
|
|
preparing := filepath.Join(work, "preparing")
|
|
if err := os.MkdirAll(preparing, 0777); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
mounts, err := snapshotter.Prepare(ctx, preparing, "")
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
if len(mounts) < 1 {
|
|
t.Fatal("expected mounts to have entries")
|
|
}
|
|
|
|
if err = containerd.MountAll(mounts, preparing); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
defer testutil.Unmount(t, preparing)
|
|
|
|
if err = ioutil.WriteFile(filepath.Join(preparing, "foo"), []byte("foo\n"), 0777); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
committed := filepath.Join(work, "committed")
|
|
if err = snapshotter.Commit(ctx, committed, preparing); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
si, err := snapshotter.Stat(ctx, committed)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
assert.Equal(t, si.Name, committed)
|
|
assert.Equal(t, KindCommitted, si.Kind)
|
|
assert.Equal(t, "", si.Parent)
|
|
|
|
}
|