backend: add fstests.ChunkedUploadConfig

- azureblob
- b2
- drive
- dropbox
- onedrive
- s3
- swift

backend/azureblob/azureblob_test.go

@@ -2,12 +2,12 @@
 
 // +build !freebsd,!netbsd,!openbsd,!plan9,!solaris,go1.8
 
-package azureblob_test
+package azureblob
 
 import (
 	"testing"
 
-	"github.com/ncw/rclone/backend/azureblob"
+	"github.com/ncw/rclone/fs"
 	"github.com/ncw/rclone/fstest/fstests"
 )
 
@@ -15,7 +15,16 @@ import (
 func TestIntegration(t *testing.T) {
 	fstests.Run(t, &fstests.Opt{
 		RemoteName:  "TestAzureBlob:",
-		NilObject:   (*azureblob.Object)(nil),
+		NilObject:   (*Object)(nil),
 		TiersToTest: []string{"Hot", "Cool"},
+		ChunkedUpload: fstests.ChunkedUploadConfig{
+			MaxChunkSize: maxChunkSize,
+		},
 	})
 }
+
+func (f *Fs) SetUploadChunkSize(cs fs.SizeSuffix) (fs.SizeSuffix, error) {
+	return f.setUploadChunkSize(cs)
+}
+
+var _ fstests.SetUploadChunkSizer = (*Fs)(nil)