func (s *serviceSuite) assertUploaded(c *gc.C, storage statestorage.Storage, storagePath, expectedSHA256 string) {
reader, _, err := storage.Get(storagePath)
c.Assert(err, jc.ErrorIsNil)
defer reader.Close()
downloadedSHA256, _, err := utils.ReadSHA256(reader)
c.Assert(err, jc.ErrorIsNil)
c.Assert(downloadedSHA256, gc.Equals, expectedSHA256)
}
