public void Storage2_Milestone4_UseReferences()
{
var fileName = "Storage2_Milestone2_TestFile.txt";
var filePath = RepositoryPath.Combine(TestRoot.Path, fileName);
var text = "Lorem ipsum dolor sit amet...";
if(ContentType.GetByName("File2") == null)
ContentTypeInstaller.InstallContentType(@"<?xml version=""1.0"" encoding=""utf-8""?>
<ContentType name=""File2"" parentType=""File"" handler=""SenseNet.ContentRepository.File"" xmlns=""http://schemas.sensenet.com/SenseNet/ContentRepository/ContentTypeDefinition"">
<DisplayName>Folder</DisplayName>
<Description>Use folders to group information to one place</Description>
<Icon>Folder</Icon>
<Fields>
<Field name=""References"" type=""Reference"" />
</Fields>
</ContentType>");
int rootId = TestRoot.Id;
int file2ctId = ContentType.GetByName("File2").Id;
int systemId = Node.LoadNode("/Root/System").Id;
if (Node.Exists(filePath))
Node.ForceDelete(filePath);
//----------------------------- Create
var file = new File(TestRoot, "File2");
file.Name = fileName;
file.GetBinary("Binary").FileName = fileName;
file.GetBinary("Binary").SetStream(Tools.GetStreamFromString(text));
file.AddReferences("References", new Node[] { TestRoot, ContentType.GetByName("File2") });
file.Save();
//----------------------------- Load
var loadedNode = Node.Load<File>(filePath);
var loadedStream = loadedNode.GetBinary("Binary").GetStream();
var loadedText = Tools.GetStreamString(loadedStream);
var loadedReferences = loadedNode.GetReferences("References").ToList<Node>();
Assert.IsTrue(loadedText == text, "#1");
Assert.IsTrue(loadedReferences.Count == 2, "#2");
var id0 = loadedReferences[0].Id;
var id1 = loadedReferences[1].Id;
Assert.IsTrue(id0 == rootId || id0 == file2ctId, "#3");
Assert.IsTrue(id1 == rootId || id1 == file2ctId, "#4");
//----------------------------- Change references
var refs = ((IEnumerable<Node>)loadedNode["References"]).ToList();
refs.Remove(TestRoot);
Assert.IsTrue(refs.Count == 2, "#5");
loadedNode.RemoveReference("References", TestRoot);
refs = ((IEnumerable<Node>)loadedNode["References"]).ToList();
Assert.IsTrue(refs.Count == 1, "#6");
id0 = refs[0].Id;
Assert.IsTrue(id0 == file2ctId, "#7");
refs.Add(Node.LoadNode("/Root/System"));
loadedNode.SetReferences("References", refs);
refs = ((IEnumerable<Node>)loadedNode["References"]).ToList();
Assert.IsTrue(refs.Count == 2, "#8");
id0 = refs[0].Id;
id1 = refs[1].Id;
Assert.IsTrue(id0 == file2ctId, "#9");
Assert.IsTrue(id1 == systemId, "#10");
loadedNode.Save();
//----------------------------- Reload
var reloadedNode = Node.Load<File>(filePath);
var reloadedStream = reloadedNode.GetBinary("Binary").GetStream();
var reloadedText = Tools.GetStreamString(reloadedStream);
var reloadedReferences = reloadedNode.GetReferences("References").ToList<Node>();
Assert.IsTrue(reloadedText == text, "#11");
Assert.IsTrue(reloadedReferences.Count == 2, "#12");
id0 = reloadedReferences[0].Id;
id1 = reloadedReferences[1].Id;
Assert.IsTrue(id0 != id1, "#13");
Assert.IsTrue(id0 == file2ctId || id0 == systemId, "#14");
Assert.IsTrue(id1 == file2ctId || id1 == systemId, "#15");
//----------------------------- Reload
var identityCheck = reloadedNode.GetReferences("References");
var countBefore = identityCheck.ToArray().Length;
reloadedNode.AddReference("References", Repository.Root);
var countAfter = identityCheck.ToArray().Length;
Assert.IsTrue(countAfter == countBefore + 1, "#15");
}