Merge pull request #1754 from AkihiroSuda/fix-snapshot-commit-spec

snapshot: fix specification of Commit
This commit is contained in:
Stephen Day 2017-11-14 17:55:38 -08:00 committed by GitHub
commit 19168f98fe
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2 changed files with 11 additions and 3 deletions

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@ -280,9 +280,7 @@ type Snapshotter interface {
// A committed snapshot will be created under name with the parent of the
// active snapshot.
//
// Commit may be called multiple times on the same key. Snapshots created
// in this manner will all reference the parent used to start the
// transaction.
// After commit, the snapshot identified by key is removed.
Commit(ctx context.Context, name, key string, opts ...Opt) error
// Remove the committed or active snapshot by the provided key.

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@ -144,6 +144,11 @@ func checkSnapshotterBasic(ctx context.Context, t *testing.T, snapshotter snapsh
assert.Equal(t, "", si.Parent)
assert.Equal(t, snapshot.KindCommitted, si.Kind)
_, err = snapshotter.Stat(ctx, preparing)
if err == nil {
t.Fatalf("%s should no longer be available after Commit", preparing)
}
next := filepath.Join(work, "nextlayer")
if err := os.MkdirAll(next, 0777); err != nil {
t.Fatalf("failure reason: %+v", err)
@ -187,6 +192,11 @@ func checkSnapshotterBasic(ctx context.Context, t *testing.T, snapshotter snapsh
assert.Equal(t, committed, si2.Parent)
assert.Equal(t, snapshot.KindCommitted, si2.Kind)
_, err = snapshotter.Stat(ctx, next)
if err == nil {
t.Fatalf("%s should no longer be available after Commit", next)
}
expected := map[string]snapshot.Info{
si.Name: si,
si2.Name: si2,