public void Should_reuse_pages_when_data_appended(int numberOfPages) { var file = SyncTestUtils.PreparePagesStream(numberOfPages); var sourceContent = new CombinedStream(file, SyncTestUtils.PreparePagesStream(numberOfPages)); // add new pages at the end var destinationContent = file; sourceContent.Position = 0; source.UploadAsync("test", sourceContent).Wait(); destinationContent.Position = 0; destination.UploadAsync("test", destinationContent).Wait(); var contentUpdate = new ContentUpdateWorkItem("test", "http://localhost:12345", sourceRfs.Storage, sourceRfs.SigGenerator); // force to upload entire file, we just want to check which pages will be reused contentUpdate.UploadToAsync(destination.ServerUrl).Wait(); destination.Synchronization.ResolveConflictAsync("test", ConflictResolutionStrategy.RemoteVersion).Wait(); contentUpdate.UploadToAsync(destination.ServerUrl).Wait(); FileAndPages fileAndPages = null; destinationRfs.Storage.Batch(accessor => fileAndPages = accessor.GetFile("test", 0, 2*numberOfPages)); Assert.Equal(2*numberOfPages, fileAndPages.Pages.Count); for(var i = 0; i < numberOfPages; i++) { Assert.Equal(i + 1, fileAndPages.Pages[i].Id); // if page ids are in the original order it means that they were used the existing pages } sourceContent.Position = 0; Assert.Equal(sourceContent.GetMD5Hash(), destination.GetMetadataForAsync("test").Result["Content-MD5"]); }
public void Should_reuse_second_page_if_only_first_one_changed() { var file = SyncTestUtils.PreparePagesStream(2); file.Position = 0; var sourceContent = new MemoryStream(); file.CopyTo(sourceContent); sourceContent.Position = 0; sourceContent.Write(new byte[] {0, 0, 0, 0}, 0, 4); // change content of the 1st page var destinationContent = file; sourceContent.Position = 0; source.UploadAsync("test", sourceContent).Wait(); destinationContent.Position = 0; destination.UploadAsync("test", destinationContent).Wait(); var contentUpdate = new ContentUpdateWorkItem("test", "http://localhost:12345", sourceRfs.Storage, sourceRfs.SigGenerator); sourceContent.Position = 0; // force to upload entire file, we just want to check which pages will be reused contentUpdate.UploadToAsync(destination.ServerUrl).Wait(); destination.Synchronization.ResolveConflictAsync("test", ConflictResolutionStrategy.RemoteVersion).Wait(); contentUpdate.UploadToAsync(destination.ServerUrl).Wait(); FileAndPages fileAndPages = null; destinationRfs.Storage.Batch(accessor => fileAndPages = accessor.GetFile("test", 0, 256)); Assert.Equal(2, fileAndPages.Pages.Count); Assert.Equal(3, fileAndPages.Pages[0].Id); // new page -> id == 3 Assert.Equal(2, fileAndPages.Pages[1].Id); // reused page -> id still == 2 sourceContent.Position = 0; Assert.Equal(sourceContent.GetMD5Hash(), destination.GetMetadataForAsync("test").Result["Content-MD5"]); }