public async Task ThrowsOnMissingSystem()
{
var runner = Substitute.For <IGameRunner>();
var barSystem = new BarExportSystem(runner);
var fooSystem = new FooExportSystem(runner);
runner.CreateEntityAsync().Returns(Task.FromResult(new SharperEntity()));
var entity = await runner.CreateEntityAsync();
var fooComponent = new FooExportableComponent(entity);
var barComponent = new BarExportableComponent(entity);
await fooSystem.RegisterComponentAsync(fooComponent);
await barSystem.RegisterComponentAsync(barComponent);
var provider =
new LiteDbProvider(new List <ISharperSystem> {
fooSystem
}, runner);
var id = await provider.SaveAsync(new List <BaseSharperComponent>()
{
fooComponent,
barComponent
});
Assert.ThrowsAsync <InvalidSaveStateException>(() => provider.LoadAsync(id));
}
public async Task CanSavePartialState()
{
var runner = Substitute.For <IGameRunner>();
var fooSystem = new FooExportSystem(runner);
runner.CreateEntityAsync().Returns(Task.FromResult(new SharperEntity()));
var entity = await runner.CreateEntityAsync();
var fooComponent = new FooExportableComponent(entity);
var barComponent = new BarExportableComponent(entity);
var barSystem = new BarExportSystem(runner);
await barSystem.RegisterComponentAsync(barComponent);
await fooSystem.RegisterComponentAsync(fooComponent);
var provider =
new LiteDbProvider(new List <ISharperSystem> {
fooSystem, barSystem
}, runner);
fooComponent.Foo = "foo";
var id = await provider.SaveAsync(new List <BaseSharperComponent>
{
fooComponent
});
fooComponent.Foo = "bar";
Assert.DoesNotThrowAsync(async() =>
{
await provider.ModifyAsync(id, new List <BaseSharperComponent>
{
fooComponent,
barComponent
});
});
Assert.AreEqual(fooSystem.GetComponents().First().Foo, "bar");
}
public async Task CanHandleMultipleComponentsOnSameEntity()
{
var runner = Substitute.For <IGameRunner>();
var barSystem = new BarExportSystem(runner);
var fooSystem = new FooExportSystem(runner);
runner.CreateEntityAsync().Returns(Task.FromResult(new SharperEntity()));
var entity = await runner.CreateEntityAsync();
var fooComponentA = new FooExportableComponent(entity);
var barComponentA = new BarExportableComponent(entity);
var fooComponentB = new FooExportableComponent(entity);
var barComponentB = new BarExportableComponent(entity);
await fooSystem.RegisterComponentAsync(fooComponentA);
await barSystem.RegisterComponentAsync(barComponentA);
await fooSystem.RegisterComponentAsync(fooComponentB);
await barSystem.RegisterComponentAsync(barComponentB);
var provider =
new LiteDbProvider(new List <ISharperSystem> {
fooSystem, barSystem
}, runner);
var id = await provider.SaveAsync(new List <BaseSharperComponent>()
{
fooComponentA,
barComponentA,
fooComponentB,
barComponentB
});
await provider.LoadAsync(id);
Assert.IsTrue(fooSystem.EntityHasComponent(fooComponentA, entity));
Assert.IsTrue(fooSystem.EntityHasComponent(fooComponentB, entity));
Assert.IsTrue(barSystem.EntityHasComponent(barComponentA, entity));
Assert.IsTrue(barSystem.EntityHasComponent(barComponentB, entity));
}
public async Task NoExcessMemoryUsage()
{
var runner = Substitute.For <IGameRunner>();
var barSystem = new BarExportSystem(runner);
var fooSystem = new FooExportSystem(runner);
runner.CreateEntityAsync().Returns(Task.FromResult(new SharperEntity()));
var components = new List <BaseSharperComponent>();
for (var i = 0; i < 1000; i++)
{
var entity = await runner.CreateEntityAsync();
var fooComponent = new FooExportableComponent(entity);
var barComponent = new BarExportableComponent(entity);
await fooSystem.RegisterComponentAsync(fooComponent);
await barSystem.RegisterComponentAsync(barComponent);
}
var provider =
new LiteDbProvider(new List <ISharperSystem> {
fooSystem, barSystem
}, runner);
GC.Collect();
var memory = GC.GetTotalMemory(false);
for (var i = 0; i < 20; i++)
{
var id = await provider.SaveAsync(components);
await provider.LoadAsync(id);
}
GC.Collect();
Assert.Less(GC.GetTotalMemory(false), memory + memory / 20);
}
public async Task CanSaveWithoutDuplicates()
{
var runner = Substitute.For <IGameRunner>();
var barSystem = new BarExportSystem(runner);
var fooSystem = new FooExportSystem(runner);
runner.CreateEntityAsync().Returns(Task.FromResult(new SharperEntity()));
var entity = await runner.CreateEntityAsync();
var fooComponent = new FooExportableComponent(entity);
var barComponent = new BarExportableComponent(entity);
await fooSystem.RegisterComponentAsync(fooComponent);
await barSystem.RegisterComponentAsync(barComponent);
var provider =
new LiteDbProvider(new List <ISharperSystem> {
fooSystem, barSystem
}, runner);
var id = await provider.SaveAsync(new List <BaseSharperComponent>
{
fooComponent,
barComponent
});
await provider.LoadAsync(id);
var barComponents = barSystem.GetComponents();
var fooComponents = fooSystem.GetComponents();
Assert.AreSame(fooComponents.First().Entity, barComponents.First().Entity);
}