a0230f3d9a
I think this was there for historic reasons (may have been goimports expected this, and we used to have a linter that wanted it), but it's not needed, so let's remove it (to make my IDE less complaining about unneeded aliases). Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
123 lines
3.3 KiB
Go
123 lines
3.3 KiB
Go
package images
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import (
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"context"
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"os"
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"path/filepath"
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"testing"
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"github.com/containerd/containerd/content"
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"github.com/containerd/containerd/content/local"
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c8derrdefs "github.com/containerd/containerd/errdefs"
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"github.com/containerd/containerd/leases"
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"github.com/containerd/containerd/metadata"
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"github.com/containerd/containerd/namespaces"
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"github.com/docker/docker/image"
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"github.com/opencontainers/go-digest"
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v1 "github.com/opencontainers/image-spec/specs-go/v1"
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"go.etcd.io/bbolt"
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"gotest.tools/v3/assert"
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"gotest.tools/v3/assert/cmp"
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)
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func setupTestStores(t *testing.T) (context.Context, content.Store, *imageStoreWithLease, func(t *testing.T)) {
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dir, err := os.MkdirTemp("", t.Name())
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assert.NilError(t, err)
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backend, err := image.NewFSStoreBackend(filepath.Join(dir, "images"))
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assert.NilError(t, err)
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is, err := image.NewImageStore(backend, nil)
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assert.NilError(t, err)
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db, err := bbolt.Open(filepath.Join(dir, "metadata.db"), 0600, nil)
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assert.NilError(t, err)
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cs, err := local.NewStore(filepath.Join(dir, "content"))
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assert.NilError(t, err)
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mdb := metadata.NewDB(db, cs, nil)
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cleanup := func(t *testing.T) {
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assert.Check(t, db.Close())
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assert.Check(t, os.RemoveAll(dir))
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}
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ctx := namespaces.WithNamespace(context.Background(), t.Name())
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images := &imageStoreWithLease{Store: is, ns: t.Name(), leases: metadata.NewLeaseManager(mdb)}
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return ctx, cs, images, cleanup
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}
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func TestImageDelete(t *testing.T) {
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ctx, _, images, cleanup := setupTestStores(t)
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defer cleanup(t)
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t.Run("no lease", func(t *testing.T) {
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id, err := images.Create([]byte(`{"rootFS": {}}`))
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assert.NilError(t, err)
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defer images.Delete(id)
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ls, err := images.leases.List(ctx)
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assert.NilError(t, err)
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assert.Equal(t, len(ls), 0, ls)
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_, err = images.Delete(id)
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assert.NilError(t, err, "should not error when there is no lease")
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})
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t.Run("lease exists", func(t *testing.T) {
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id, err := images.Create([]byte(`{"rootFS": {}}`))
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assert.NilError(t, err)
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defer images.Delete(id)
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leaseID := imageKey(digest.Digest(id))
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_, err = images.leases.Create(ctx, leases.WithID(leaseID))
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assert.NilError(t, err)
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defer images.leases.Delete(ctx, leases.Lease{ID: leaseID})
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ls, err := images.leases.List(ctx)
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assert.NilError(t, err)
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assert.Check(t, cmp.Equal(len(ls), 1), ls)
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_, err = images.Delete(id)
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assert.NilError(t, err)
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ls, err = images.leases.List(ctx)
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assert.NilError(t, err)
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assert.Check(t, cmp.Equal(len(ls), 0), ls)
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})
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}
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func TestContentStoreForPull(t *testing.T) {
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ctx, cs, is, cleanup := setupTestStores(t)
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defer cleanup(t)
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csP := &contentStoreForPull{
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ContentStore: cs,
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leases: is.leases,
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}
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data := []byte(`{}`)
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desc := v1.Descriptor{
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Digest: digest.Canonical.FromBytes(data),
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Size: int64(len(data)),
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}
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w, err := csP.Writer(ctx, content.WithRef(t.Name()), content.WithDescriptor(desc))
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assert.NilError(t, err)
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_, err = w.Write(data)
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assert.NilError(t, err)
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defer w.Close()
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err = w.Commit(ctx, desc.Size, desc.Digest)
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assert.NilError(t, err)
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assert.Equal(t, len(csP.digested), 1)
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assert.Check(t, cmp.Equal(csP.digested[0], desc.Digest))
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// Test already exists
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csP.digested = nil
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_, err = csP.Writer(ctx, content.WithRef(t.Name()), content.WithDescriptor(desc))
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assert.Check(t, c8derrdefs.IsAlreadyExists(err))
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assert.Equal(t, len(csP.digested), 1)
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assert.Check(t, cmp.Equal(csP.digested[0], desc.Digest))
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}
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