From 3245c0ae0d6a4316aa549e5fcf1a7cdb9cf10e0a Mon Sep 17 00:00:00 2001
From: Nick Craig-Wood <nick@craig-wood.com>
Date: Sun, 30 Jun 2019 18:31:58 +0100
Subject: [PATCH] fstests: add integration test for uploading empty files

This tests a remote can upload empty files.  If the remote can't
upload empty files it should return fs.ErrorCantUploadEmptyFiles.
---
 fstest/fstests/fstests.go | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/fstest/fstests/fstests.go b/fstest/fstests/fstests.go
index f652a2857..c144b7319 100644
--- a/fstest/fstests/fstests.go
+++ b/fstest/fstests/fstests.go
@@ -189,6 +189,9 @@ func testPutLarge(t *testing.T, f fs.Fs, file *fstest.Item) {
 
 		obji := object.NewStaticObjectInfo(file.Path, file.ModTime, file.Size, true, nil, nil)
 		obj, err = f.Put(context.Background(), in, obji)
+		if file.Size == 0 && err == fs.ErrorCantUploadEmptyFiles {
+			t.Skip("Can't upload zero length files")
+		}
 		return err
 	})
 	file.Hashes = uploadHash.Sums()
@@ -675,6 +678,16 @@ func Run(t *testing.T, opt *Opt) {
 			}
 		})
 
+		t.Run("FsPutZeroLength", func(t *testing.T) {
+			skipIfNotOk(t)
+
+			testPutLarge(t, remote, &fstest.Item{
+				ModTime: fstest.Time("2001-02-03T04:05:06.499999999Z"),
+				Path:    fmt.Sprintf("zero-length-file"),
+				Size:    int64(0),
+			})
+		})
+
 		t.Run("FsOpenWriterAt", func(t *testing.T) {
 			skipIfNotOk(t)
 			openWriterAt := remote.Features().OpenWriterAt