public async Task InvalidateEverythingTest()
{
var users = Services.GetRequiredService <IUserService>();
// We need at least 1 user to see count invalidation messages
await users.CreateAsync(new User()
{
Id = int.MaxValue,
Name = "Chuck Norris",
}, true);
var u1 = await users.TryGetAsync(int.MaxValue);
var c1 = await Computed.CaptureAsync(_ => users.CountAsync());
users.Invalidate();
var u2 = await users.TryGetAsync(int.MaxValue);
u2 !.IsFrozen.Should().BeTrue();
var c2 = await Computed.CaptureAsync(_ => users.CountAsync());
u2.Should().NotBeSameAs(u1);
u2 !.Id.Should().Be(u1 !.Id);
u2.Name.Should().Be(u1.Name);
c2.Should().NotBeSameAs(c1);
c2 !.Value.Should().Be(c1 !.Value);
}
private void CoreFirePropertyChanging(PropertyChangeEventArgs args)
{
OnPropertyChanging(args);
if (PropertyChanging != null)
{
PropertyChanging(this, args);
}
IsFrozen.AssertFalse();
}
public async Task InvalidationTest()
{
var users = Services.GetRequiredService <IUserService>();
// We need at least 1 user to see count invalidation messages
await users.CreateAsync(new User()
{
Id = int.MaxValue,
Name = "Chuck Norris",
}, true);
var userCount = await users.CountAsync();
var u = new User()
{
Id = 1000,
Name = "Bruce Lee"
};
// This delete won't do anything, since the user doesn't exist
(await users.DeleteAsync(u)).Should().BeFalse();
// Thus count shouldn't change
(await users.CountAsync()).Should().Be(userCount);
// But after this line the could should change
await users.CreateAsync(u);
var u1 = await users.TryGetAsync(u.Id);
u1.Should().NotBeNull();
u1.Should().NotBeSameAs(u); // Because it's fetched
u1 !.IsFrozen.Should().BeTrue();
u1.Id.Should().Be(u.Id);
u1.Name.Should().Be(u.Name);
(await users.CountAsync()).Should().Be(++userCount);
var u2 = await users.TryGetAsync(u.Id);
u2.Should().BeSameAs(u1);
u.Name = "Jackie Chan";
await users.UpdateAsync(u); // u.Name change
var u3 = await users.TryGetAsync(u.Id);
u3.Should().NotBeNull();
u3.Should().NotBeSameAs(u2);
u3 !.Id.Should().Be(u.Id);
u3.Name.Should().Be(u.Name);
(await users.CountAsync()).Should().Be(userCount);
}
private void OnListChanging(Object o, ListChangeEventArgs e)
{
foreach (T c in e.NewItems)
{
OnChildAdding(c);
if (ChildAdding != null)
{
ChildAdding(c);
}
}
foreach (T c in e.OldItems)
{
OnChildRemoving(c);
if (ChildRemoving != null)
{
ChildRemoving(c);
}
}
IsFrozen.AssertFalse();
}
