public async Task PropertiesCanBeSetConcurrentlyWithObjectCreation()
{
const int personsPerThread = 50;
const int threadAmount = 10;
var threads = new Thread[threadAmount];
var allViewModels = new TestViewModel[threadAmount][];
for (int i = 0; i < threadAmount; i++)
{
threads[i] = new Thread((index) =>
{
var localViewModels = new TestViewModel[personsPerThread];
for (int j = 0; j < personsPerThread; j++)
{
var viewModel = new TestViewModel
{
Age = 18
};
viewModel.Age = 19;
localViewModels[j] = viewModel;
}
allViewModels[(int)index] = localViewModels;
});
}
for (int i = 0; i < threadAmount; i++)
{
threads[i].Start(i);
}
await Task.Delay(1000);
for (int i = 0; i < threadAmount; i++)
{
threads[i].Join();
}
var flatenSortedIdentifiers =
allViewModels
.SelectMany(o => o)
.Select(o => o.UniqueIdentifier)
.OrderBy(o => o)
.ToArray();
var firstId = flatenSortedIdentifiers[0];
Assert.That(flatenSortedIdentifiers, Is.EquivalentTo(Enumerable.Range(firstId, personsPerThread * threadAmount)));
}
public async Task MultipleViewModelsCanBeCreatedConcurrently()
{
const int personsPerThread = 50;
const int threadAmount = 10;
var threads = new Thread[threadAmount];
var allViewModels = new TestViewModel[threadAmount][];
for (var i = 0; i < threadAmount; i++)
{
threads[i] = new Thread(index =>
{
var localViewModels = new TestViewModel[personsPerThread];
for (var j = 0; j < personsPerThread; j++)
{
localViewModels[j] = new TestViewModel();
}
lock (allViewModels)
{
allViewModels[(int)index] = localViewModels;
}
});
}
for (var i = 0; i < threadAmount; i++)
{
threads[i].Start(i);
}
await Task.Delay(1000);
for (var i = 0; i < threadAmount; i++)
{
threads[i].Join();
}
var flatenSortedIdentifiers =
allViewModels
.SelectMany(o => o)
.Select(o => o.UniqueIdentifier)
.OrderBy(o => o)
.ToArray();
var firstId = flatenSortedIdentifiers[0];
Assert.That(flatenSortedIdentifiers, Is.EquivalentTo(Enumerable.Range(firstId, personsPerThread * threadAmount)));
}
public void CommandsCanBeCalledConcurrentlyWithObjectCreation()
{
const int personsPerThread = 50;
const int threadAmount = 10;
var threads = new Thread[threadAmount];
var allViewModels = new TestViewModel[threadAmount][];
for (int i = 0; i < threadAmount; i++)
{
threads[i] = new Thread((index) =>
{
var localViewModels = new TestViewModel[personsPerThread];
for (int j = 0; j < personsPerThread; j++)
{
var viewModel = new TestViewModel();
viewModel.GenerateData.Execute();
localViewModels[j] = viewModel;
}
allViewModels[(int)index] = localViewModels;
});
}
for (int i = 0; i < threadAmount; i++)
{
threads[i].Start(i);
}
for (int i = 0; i < threadAmount; i++)
{
threads[i].Join();
}
var flatenSortedIdentifiers =
allViewModels
.SelectMany(o => o)
.Select(o => o.UniqueIdentifier)
.OrderBy(o => o)
.ToArray();
var firstId = flatenSortedIdentifiers[0];
Assert.That(flatenSortedIdentifiers, Is.EquivalentTo(Enumerable.Range(firstId, personsPerThread * threadAmount)));
}
public async Task CloseAfterCloseProtection()
{
var auditor = new TestAuditor();
AuditingManager.RegisterAuditor(auditor);
var vm = new TestViewModel();
Assert.AreEqual(false, auditor.OnViewModelClosedCalled);
await vm.CloseViewModelAsync(null);
Assert.AreEqual(true, auditor.OnViewModelClosedCalled);
auditor.OnViewModelClosedCalled = false;
await vm.CloseViewModelAsync(null);
Assert.AreEqual(false, auditor.OnViewModelClosedCalled);
}
public async Task ProtectPropertiesAfterClosingAsync()
{
var vm = new TestViewModel();
var freezable = (IFreezable)vm;
await vm.InitializeViewModelAsync();
vm.FirstName = "John";
Assert.AreEqual("John", vm.FirstName);
Assert.IsFalse(freezable.IsFrozen);
await vm.SaveAndCloseViewModelAsync();
vm.FirstName = "Jane";
Assert.AreEqual("John", vm.FirstName);
Assert.IsTrue(freezable.IsFrozen);
await vm.InitializeViewModelAsync();
vm.FirstName = "Jane";
Assert.AreEqual("Jane", vm.FirstName);
Assert.IsFalse(freezable.IsFrozen);
}
public async Task IsNotDirtyAtStartupAsync()
{
var vm = new TestViewModel();
Assert.IsFalse(vm.IsDirty);
}
