4192f99cf0
There is a bug in the windows CI that causes a time difference between the host and the container. Signed-off-by: Michael Crosby <crosbymichael@gmail.com>
435 lines
11 KiB
Go
435 lines
11 KiB
Go
package testsuite
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import (
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"bytes"
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"context"
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"io"
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"io/ioutil"
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"math/rand"
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"os"
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"runtime"
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"testing"
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"time"
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"github.com/containerd/containerd/content"
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"github.com/containerd/containerd/namespaces"
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"github.com/containerd/containerd/testutil"
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digest "github.com/opencontainers/go-digest"
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"github.com/pkg/errors"
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"github.com/stretchr/testify/require"
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)
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// ContentSuite runs a test suite on the content store given a factory function.
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func ContentSuite(t *testing.T, name string, storeFn func(ctx context.Context, root string) (content.Store, func() error, error)) {
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t.Run("Writer", makeTest(t, name, storeFn, checkContentStoreWriter))
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t.Run("UploadStatus", makeTest(t, name, storeFn, checkUploadStatus))
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t.Run("Resume", makeTest(t, name, storeFn, checkResumeWriter))
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t.Run("Labels", makeTest(t, name, storeFn, checkLabels))
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}
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func makeTest(t *testing.T, name string, storeFn func(ctx context.Context, root string) (content.Store, func() error, error), fn func(ctx context.Context, t *testing.T, cs content.Store)) func(t *testing.T) {
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return func(t *testing.T) {
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ctx := namespaces.WithNamespace(context.Background(), name)
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tmpDir, err := ioutil.TempDir("", "content-suite-"+name+"-")
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if err != nil {
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t.Fatal(err)
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}
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defer os.RemoveAll(tmpDir)
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cs, cleanup, err := storeFn(ctx, tmpDir)
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if err != nil {
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t.Fatal(err)
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}
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defer func() {
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if err := cleanup(); err != nil && !t.Failed() {
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t.Fatalf("Cleanup failed: %+v", err)
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}
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}()
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defer testutil.DumpDir(t, tmpDir)
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fn(ctx, t, cs)
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}
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}
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func checkContentStoreWriter(ctx context.Context, t *testing.T, cs content.Store) {
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c1, d1 := createContent(256, 1)
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w1, err := cs.Writer(ctx, "c1", 0, "")
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if err != nil {
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t.Fatal(err)
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}
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defer w1.Close()
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c2, d2 := createContent(256, 2)
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w2, err := cs.Writer(ctx, "c2", int64(len(c2)), "")
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if err != nil {
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t.Fatal(err)
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}
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defer w2.Close()
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c3, d3 := createContent(256, 3)
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w3, err := cs.Writer(ctx, "c3", 0, d3)
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if err != nil {
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t.Fatal(err)
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}
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defer w3.Close()
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c4, d4 := createContent(256, 4)
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w4, err := cs.Writer(ctx, "c4", int64(len(c4)), d4)
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if err != nil {
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t.Fatal(err)
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}
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defer w4.Close()
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smallbuf := make([]byte, 32)
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for _, s := range []struct {
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content []byte
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digest digest.Digest
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writer content.Writer
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}{
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{
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content: c1,
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digest: d1,
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writer: w1,
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},
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{
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content: c2,
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digest: d2,
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writer: w2,
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},
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{
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content: c3,
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digest: d3,
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writer: w3,
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},
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{
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content: c4,
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digest: d4,
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writer: w4,
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},
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} {
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n, err := io.CopyBuffer(s.writer, bytes.NewReader(s.content), smallbuf)
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if err != nil {
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t.Fatal(err)
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}
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if n != int64(len(s.content)) {
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t.Fatalf("Unexpected copy length %d, expected %d", n, len(s.content))
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}
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preCommit := time.Now()
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if err := s.writer.Commit(ctx, 0, ""); err != nil {
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t.Fatal(err)
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}
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postCommit := time.Now()
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if s.writer.Digest() != s.digest {
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t.Fatalf("Unexpected commit digest %s, expected %s", s.writer.Digest(), s.digest)
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}
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info := content.Info{
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Digest: s.digest,
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Size: int64(len(s.content)),
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}
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if err := checkInfo(ctx, cs, s.digest, info, preCommit, postCommit, preCommit, postCommit); err != nil {
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t.Fatalf("Check info failed: %+v", err)
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}
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}
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}
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func checkResumeWriter(ctx context.Context, t *testing.T, cs content.Store) {
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checkWrite := func(t *testing.T, w io.Writer, p []byte) {
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t.Helper()
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n, err := w.Write(p)
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if err != nil {
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t.Fatal(err)
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}
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if n != len(p) {
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t.Fatal("short write to content store")
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}
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}
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var (
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ref = "cb"
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cb, dgst = createContent(256, 10)
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first, second = cb[:128], cb[128:]
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)
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preStart := time.Now()
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w1, err := cs.Writer(ctx, ref, 256, dgst)
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if err != nil {
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t.Fatal(err)
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}
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postStart := time.Now()
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preUpdate := postStart
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checkWrite(t, w1, first)
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postUpdate := time.Now()
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dgstFirst := digest.FromBytes(first)
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expected := content.Status{
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Ref: ref,
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Offset: int64(len(first)),
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Total: int64(len(cb)),
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Expected: dgstFirst,
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}
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checkStatus(t, w1, expected, dgstFirst, preStart, postStart, preUpdate, postUpdate)
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require.NoError(t, w1.Close(), "close first writer")
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w2, err := cs.Writer(ctx, ref, 256, dgst)
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if err != nil {
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t.Fatal(err)
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}
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// status should be consistent with version before close.
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checkStatus(t, w2, expected, dgstFirst, preStart, postStart, preUpdate, postUpdate)
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preUpdate = time.Now()
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checkWrite(t, w2, second)
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postUpdate = time.Now()
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expected.Offset = expected.Total
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expected.Expected = dgst
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checkStatus(t, w2, expected, dgst, preStart, postStart, preUpdate, postUpdate)
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preCommit := time.Now()
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if err := w2.Commit(ctx, 0, ""); err != nil {
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t.Fatalf("commit failed: %+v", err)
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}
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postCommit := time.Now()
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require.NoError(t, w2.Close(), "close second writer")
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info := content.Info{
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Digest: dgst,
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Size: 256,
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}
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if err := checkInfo(ctx, cs, dgst, info, preCommit, postCommit, preCommit, postCommit); err != nil {
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t.Fatalf("Check info failed: %+v", err)
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}
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}
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func checkUploadStatus(ctx context.Context, t *testing.T, cs content.Store) {
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c1, d1 := createContent(256, 17)
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preStart := time.Now()
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w1, err := cs.Writer(ctx, "c1", 256, d1)
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if err != nil {
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t.Fatal(err)
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}
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defer w1.Close()
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postStart := time.Now()
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d := digest.FromBytes([]byte{})
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expected := content.Status{
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Ref: "c1",
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Total: 256,
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Expected: d1,
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}
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preUpdate := preStart
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postUpdate := postStart
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checkStatus(t, w1, expected, d, preStart, postStart, preUpdate, postUpdate)
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// Write first 64 bytes
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preUpdate = time.Now()
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if _, err := w1.Write(c1[:64]); err != nil {
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t.Fatalf("Failed to write: %+v", err)
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}
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postUpdate = time.Now()
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expected.Offset = 64
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d = digest.FromBytes(c1[:64])
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checkStatus(t, w1, expected, d, preStart, postStart, preUpdate, postUpdate)
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// Write next 128 bytes
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preUpdate = time.Now()
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if _, err := w1.Write(c1[64:192]); err != nil {
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t.Fatalf("Failed to write: %+v", err)
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}
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postUpdate = time.Now()
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expected.Offset = 192
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d = digest.FromBytes(c1[:192])
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checkStatus(t, w1, expected, d, preStart, postStart, preUpdate, postUpdate)
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// Write last 64 bytes
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preUpdate = time.Now()
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if _, err := w1.Write(c1[192:]); err != nil {
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t.Fatalf("Failed to write: %+v", err)
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}
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postUpdate = time.Now()
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expected.Offset = 256
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checkStatus(t, w1, expected, d1, preStart, postStart, preUpdate, postUpdate)
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preCommit := time.Now()
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if err := w1.Commit(ctx, 0, ""); err != nil {
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t.Fatalf("Commit failed: %+v", err)
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}
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postCommit := time.Now()
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info := content.Info{
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Digest: d1,
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Size: 256,
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}
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if err := checkInfo(ctx, cs, d1, info, preCommit, postCommit, preCommit, postCommit); err != nil {
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t.Fatalf("Check info failed: %+v", err)
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}
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}
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func checkLabels(ctx context.Context, t *testing.T, cs content.Store) {
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c1, d1 := createContent(256, 19)
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w1, err := cs.Writer(ctx, "c1", 256, d1)
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if err != nil {
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t.Fatal(err)
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}
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defer w1.Close()
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if _, err := w1.Write(c1); err != nil {
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t.Fatalf("Failed to write: %+v", err)
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}
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labels := map[string]string{
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"k1": "v1",
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"k2": "v2",
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}
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preCommit := time.Now()
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if err := w1.Commit(ctx, 0, "", content.WithLabels(labels)); err != nil {
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t.Fatalf("Commit failed: %+v", err)
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}
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postCommit := time.Now()
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info := content.Info{
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Digest: d1,
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Size: 256,
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Labels: labels,
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}
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if err := checkInfo(ctx, cs, d1, info, preCommit, postCommit, preCommit, postCommit); err != nil {
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t.Fatalf("Check info failed: %+v", err)
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}
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labels["k1"] = "newvalue"
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delete(labels, "k2")
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labels["k3"] = "v3"
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info.Labels = labels
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preUpdate := time.Now()
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if _, err := cs.Update(ctx, info); err != nil {
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t.Fatalf("Update failed: %+v", err)
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}
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postUpdate := time.Now()
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if err := checkInfo(ctx, cs, d1, info, preCommit, postCommit, preUpdate, postUpdate); err != nil {
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t.Fatalf("Check info failed: %+v", err)
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}
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info.Labels = map[string]string{
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"k1": "v1",
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}
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preUpdate = time.Now()
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if _, err := cs.Update(ctx, info, "labels.k3", "labels.k1"); err != nil {
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t.Fatalf("Update failed: %+v", err)
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}
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postUpdate = time.Now()
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if err := checkInfo(ctx, cs, d1, info, preCommit, postCommit, preUpdate, postUpdate); err != nil {
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t.Fatalf("Check info failed: %+v", err)
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}
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}
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func checkStatus(t *testing.T, w content.Writer, expected content.Status, d digest.Digest, preStart, postStart, preUpdate, postUpdate time.Time) {
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t.Helper()
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st, err := w.Status()
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if err != nil {
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t.Fatalf("failed to get status: %v", err)
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}
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wd := w.Digest()
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if wd != d {
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t.Fatalf("unexpected digest %v, expected %v", wd, d)
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}
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if st.Ref != expected.Ref {
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t.Fatalf("unexpected ref %q, expected %q", st.Ref, expected.Ref)
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}
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if st.Offset != expected.Offset {
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t.Fatalf("unexpected offset %d, expected %d", st.Offset, expected.Offset)
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}
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if st.Total != expected.Total {
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t.Fatalf("unexpected total %d, expected %d", st.Total, expected.Total)
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}
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// TODO: Add this test once all implementations guarantee this value is held
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//if st.Expected != expected.Expected {
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// t.Fatalf("unexpected \"expected digest\" %q, expected %q", st.Expected, expected.Expected)
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//}
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// FIXME: broken on windows: unexpected updated at time 2017-11-14 13:43:22.178013 -0800 PST,
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// expected between 2017-11-14 13:43:22.1790195 -0800 PST m=+1.022137300 and
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// 2017-11-14 13:43:22.1790195 -0800 PST m=+1.022137300
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if runtime.GOOS != "windows" {
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if st.StartedAt.After(postStart) || st.StartedAt.Before(preStart) {
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t.Fatalf("unexpected started at time %s, expected between %s and %s", st.StartedAt, preStart, postStart)
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}
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t.Logf("compare update %v against (%v, %v)", st.UpdatedAt, preUpdate, postUpdate)
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if st.UpdatedAt.After(postUpdate) || st.UpdatedAt.Before(preUpdate) {
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t.Fatalf("unexpected updated at time %s, expected between %s and %s", st.UpdatedAt, preUpdate, postUpdate)
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}
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}
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}
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func checkInfo(ctx context.Context, cs content.Store, d digest.Digest, expected content.Info, c1, c2, u1, u2 time.Time) error {
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info, err := cs.Info(ctx, d)
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if err != nil {
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return errors.Wrap(err, "failed to get info")
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}
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if info.Digest != d {
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return errors.Errorf("unexpected info digest %s, expected %s", info.Digest, d)
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}
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if info.Size != expected.Size {
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return errors.Errorf("unexpected info size %d, expected %d", info.Size, expected.Size)
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}
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if info.CreatedAt.After(c2) || info.CreatedAt.Before(c1) {
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return errors.Errorf("unexpected created at time %s, expected between %s and %s", info.CreatedAt, c1, c2)
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}
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// FIXME: broken on windows: unexpected updated at time 2017-11-14 13:43:22.178013 -0800 PST,
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// expected between 2017-11-14 13:43:22.1790195 -0800 PST m=+1.022137300 and
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// 2017-11-14 13:43:22.1790195 -0800 PST m=+1.022137300
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if runtime.GOOS != "windows" && (info.UpdatedAt.After(u2) || info.UpdatedAt.Before(u1)) {
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return errors.Errorf("unexpected updated at time %s, expected between %s and %s", info.UpdatedAt, u1, u2)
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}
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if len(info.Labels) != len(expected.Labels) {
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return errors.Errorf("mismatched number of labels\ngot:\n%#v\nexpected:\n%#v", info.Labels, expected.Labels)
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}
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for k, v := range expected.Labels {
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actual := info.Labels[k]
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if v != actual {
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return errors.Errorf("unexpected value for label %q: %q, expected %q", k, actual, v)
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}
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}
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return nil
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}
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func createContent(size, seed int64) ([]byte, digest.Digest) {
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b, err := ioutil.ReadAll(io.LimitReader(rand.New(rand.NewSource(seed)), size))
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if err != nil {
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panic(err)
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}
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return b, digest.FromBytes(b)
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}
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