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Storage: blobwriter.Write/Seek test case

Signed-off-by: Arthur Baars <arthur@semmle.com>
This commit is contained in:
Arthur Baars 2016-01-21 11:28:02 +00:00
parent 6a248e115b
commit 586b3d47a7

@ -17,6 +17,39 @@ import (
"github.com/docker/distribution/testutil"
)
// TestWriteSeek tests that the current file size can be
// obtained using Seek
func TestWriteSeek(t *testing.T) {
ctx := context.Background()
imageName := "foo/bar"
driver := inmemory.New()
registry, err := NewRegistry(ctx, driver, BlobDescriptorCacheProvider(memory.NewInMemoryBlobDescriptorCacheProvider()), EnableDelete, EnableRedirect)
if err != nil {
t.Fatalf("error creating registry: %v", err)
}
repository, err := registry.Repository(ctx, imageName)
if err != nil {
t.Fatalf("unexpected error getting repo: %v", err)
}
bs := repository.Blobs(ctx)
blobUpload, err := bs.Create(ctx)
if err != nil {
t.Fatalf("unexpected error starting layer upload: %s", err)
}
contents := []byte{1, 2, 3}
blobUpload.Write(contents)
offset, err := blobUpload.Seek(0, os.SEEK_CUR)
if err != nil {
t.Fatalf("unexpected error in blobUpload.Seek: %s", err)
}
if offset != int64(len(contents)) {
t.Fatalf("unexpected value for blobUpload offset: %v != %v", offset, len(contents))
}
}
// TestSimpleBlobUpload covers the blob upload process, exercising common
// error paths that might be seen during an upload.
func TestSimpleBlobUpload(t *testing.T) {