public async Task UnlinkSharedFile()
{
FilePath filePath = "test.txt";
var file = new CustomFileModel();
file.CreateNew();
file.SetText("Foo");
await file.LinkToFile(filePath);
await registry.ShareModel(file);
Assert.AreEqual(1, CustomFileModel.LiveBackends);
var file2 = await registry.GetSharedModel <CustomFileModel> (filePath);
await file2.Load();
Assert.AreEqual(1, CustomFileModel.LiveBackends);
Assert.AreEqual("Foo", file2.GetText());
await file.ConvertToUnsaved();
Assert.AreEqual(2, CustomFileModel.LiveBackends);
Assert.IsNull(file.Id);
file.SetText("Bar");
Assert.AreEqual("Foo", file2.GetText());
file.Dispose();
Assert.AreEqual(1, CustomFileModel.LiveBackends);
file2.Dispose();
Assert.AreEqual(0, CustomFileModel.LiveBackends);
}
public async Task UnlinkSharedFileKeepSharedData()
{
// Two different models for same file. One is loaded and modified.
// The other is not loaded. Unlinking the modified should assign
// data to unloaded model.
FilePath filePath = "test.txt";
var file = new CustomFileModel();
file.CreateNew();
file.SetText("Foo");
await file.LinkToFile(filePath);
await registry.ShareModel(file);
Assert.AreEqual(1, CustomFileModel.LiveBackends);
var file2 = await registry.GetSharedModel <TextFileModel> (filePath);
Assert.IsFalse(file2.IsLoaded);
await file.ConvertToUnsaved();
// Unsaved file content should have been migrated to second file
await file2.Load();
Assert.AreEqual("Foo", file2.GetText());
}
public async Task RegisterNew()
{
FilePath filePath = "test.txt";
CustomFileModel.LiveBackends = 0;
var file = new CustomFileModel();
file.CreateNew();
file.SetText("Foo");
await file.LinkToFile(filePath);
Assert.AreEqual(1, CustomFileModel.LiveBackends);
await registry.ShareModel(file);
Assert.AreEqual(1, CustomFileModel.LiveBackends);
var otherFile = await registry.GetSharedModel <CustomFileModel> (filePath);
Assert.AreNotSame(file, otherFile);
Assert.IsFalse(otherFile.IsLoaded);
Assert.AreEqual(1, CustomFileModel.LiveBackends);
await otherFile.Load();
Assert.AreEqual("Foo", otherFile.GetText());
Assert.AreEqual(1, CustomFileModel.LiveBackends);
// Backend is shared
file.SetText("Bar");
Assert.AreEqual("Bar", otherFile.GetText());
otherFile.SetText("Bar2");
Assert.AreEqual("Bar2", file.GetText());
file.Dispose();
Assert.AreEqual(1, CustomFileModel.LiveBackends);
otherFile.Dispose();
Assert.AreEqual(0, CustomFileModel.LiveBackends);
}