public async Task Add_Attach_Remove_Update_do_not_call_DetectChanges()
{
var provider =
InMemoryTestHelpers.Instance.CreateServiceProvider(
new ServiceCollection().AddScoped <IChangeDetector, ChangeDetectorProxy>());
using var context = new ButTheHedgehogContext(provider);
var changeDetector = (ChangeDetectorProxy)context.GetService <IChangeDetector>();
var id = 1;
changeDetector.DetectChangesCalled = false;
context.Add(
new Product {
Id = id++, Name = "Little Hedgehogs"
});
context.Add(
(object)new Product {
Id = id++, Name = "Little Hedgehogs"
});
context.AddRange(
new Product {
Id = id++, Name = "Little Hedgehogs"
});
context.AddRange(
new Product {
Id = id++, Name = "Little Hedgehogs"
});
context.AddRange(
new List <Product> {
new() { Id = id++, Name = "Little Hedgehogs" }
});
public async Task Auto_DetectChanges_for_SaveChanges_can_be_switched_off(bool async)
{
var provider = InMemoryTestHelpers.Instance.CreateServiceProvider();
using (var context = new ButTheHedgehogContext(provider))
{
context.ChangeTracker.AutoDetectChangesEnabled = false;
Assert.False(context.ChangeTracker.AutoDetectChangesEnabled);
var product = context.Add(
new Product
{
Id = 1,
Name = "Little Hedgehogs"
}).Entity;
if (async)
{
await context.SaveChangesAsync();
}
else
{
context.SaveChanges();
}
product.Name = "Cracked Cookies";
if (async)
{
await context.SaveChangesAsync();
}
else
{
context.SaveChanges();
}
}
using (var context = new ButTheHedgehogContext(provider))
{
Assert.Equal("Little Hedgehogs", context.Products.Single().Name);
}
}
public void Add_Attach_Remove_Update_do_not_call_DetectChanges()
{
var provider = TestHelpers.Instance.CreateServiceProvider(new ServiceCollection().AddScoped<IChangeDetector, ChangeDetectorProxy>());
using (var context = new ButTheHedgehogContext(provider))
{
var changeDetector = (ChangeDetectorProxy)context.GetService<IChangeDetector>();
var id = 1;
changeDetector.DetectChangesCalled = false;
context.Add(new Product { Id = id++, Name = "Little Hedgehogs" });
context.Add((object)new Product { Id = id++, Name = "Little Hedgehogs" });
context.AddRange(new Product { Id = id++, Name = "Little Hedgehogs" });
context.AddRange(new Product { Id = id++, Name = "Little Hedgehogs" });
context.AddRange(new List<Product> { new Product { Id = id++, Name = "Little Hedgehogs" } });
context.AddRange(new List<object> { new Product { Id = id++, Name = "Little Hedgehogs" } });
context.Attach(new Product { Id = id++, Name = "Little Hedgehogs" });
context.Attach((object)new Product { Id = id++, Name = "Little Hedgehogs" });
context.AttachRange(new Product { Id = id++, Name = "Little Hedgehogs" });
context.AttachRange(new Product { Id = id++, Name = "Little Hedgehogs" });
context.AttachRange(new List<Product> { new Product { Id = id++, Name = "Little Hedgehogs" } });
context.AttachRange(new List<object> { new Product { Id = id++, Name = "Little Hedgehogs" } });
context.Update(new Product { Id = id++, Name = "Little Hedgehogs" });
context.Update((object)new Product { Id = id++, Name = "Little Hedgehogs" });
context.UpdateRange(new Product { Id = id++, Name = "Little Hedgehogs" });
context.UpdateRange(new Product { Id = id++, Name = "Little Hedgehogs" });
context.UpdateRange(new List<Product> { new Product { Id = id++, Name = "Little Hedgehogs" } });
context.UpdateRange(new List<object> { new Product { Id = id++, Name = "Little Hedgehogs" } });
context.Remove(new Product { Id = id++, Name = "Little Hedgehogs" });
context.Remove((object)new Product { Id = id++, Name = "Little Hedgehogs" });
context.RemoveRange(new Product { Id = id++, Name = "Little Hedgehogs" });
context.RemoveRange(new Product { Id = id++, Name = "Little Hedgehogs" });
context.RemoveRange(new List<Product> { new Product { Id = id++, Name = "Little Hedgehogs" } });
context.RemoveRange(new List<object> { new Product { Id = id++, Name = "Little Hedgehogs" } });
context.Add(new Product { Id = id++, Name = "Little Hedgehogs" }, behavior: GraphBehavior.SingleObject);
context.Add((object)new Product { Id = id++, Name = "Little Hedgehogs" }, behavior: GraphBehavior.SingleObject);
context.AddRange(new List<Product> { new Product { Id = id++, Name = "Little Hedgehogs" } }, behavior: GraphBehavior.SingleObject);
context.AddRange(new List<object> { new Product { Id = id++, Name = "Little Hedgehogs" } }, behavior: GraphBehavior.SingleObject);
context.Attach(new Product { Id = id++, Name = "Little Hedgehogs" }, behavior: GraphBehavior.SingleObject);
context.Attach((object)new Product { Id = id++, Name = "Little Hedgehogs" }, behavior: GraphBehavior.SingleObject);
context.AttachRange(new List<Product> { new Product { Id = id++, Name = "Little Hedgehogs" } }, behavior: GraphBehavior.SingleObject);
context.AttachRange(new List<object> { new Product { Id = id++, Name = "Little Hedgehogs" } }, behavior: GraphBehavior.SingleObject);
context.Update(new Product { Id = id++, Name = "Little Hedgehogs" }, behavior: GraphBehavior.SingleObject);
context.Update((object)new Product { Id = id++, Name = "Little Hedgehogs" }, behavior: GraphBehavior.SingleObject);
context.UpdateRange(new List<Product> { new Product { Id = id++, Name = "Little Hedgehogs" } }, behavior: GraphBehavior.SingleObject);
context.UpdateRange(new List<object> { new Product { Id = id++, Name = "Little Hedgehogs" } }, behavior: GraphBehavior.SingleObject);
Assert.False(changeDetector.DetectChangesCalled);
context.ChangeTracker.DetectChanges();
Assert.True(changeDetector.DetectChangesCalled);
}
}
public void Add_Attach_Remove_Update_do_not_call_DetectChanges()
{
var provider = TestHelpers.Instance.CreateServiceProvider(new ServiceCollection().AddScoped<IChangeDetector, ChangeDetectorProxy>());
using (var context = new ButTheHedgehogContext(provider))
{
var changeDetector = (ChangeDetectorProxy)((IAccessor<IServiceProvider>)context).Service
.GetRequiredService<IChangeDetector>();
var entity = new Product { Id = 1, Name = "Little Hedgehogs" };
changeDetector.DetectChangesCalled = false;
context.Add(entity);
context.Add((object)entity);
context.AddRange(entity);
context.AddRange(entity);
context.AddRange(new List<Product> { entity });
context.AddRange(new List<object> { entity });
context.Attach(entity);
context.Attach((object)entity);
context.AttachRange(entity);
context.AttachRange(entity);
context.AttachRange(new List<Product> { entity });
context.AttachRange(new List<object> { entity });
context.Update(entity);
context.Update((object)entity);
context.UpdateRange(entity);
context.UpdateRange(entity);
context.UpdateRange(new List<Product> { entity });
context.UpdateRange(new List<object> { entity });
context.Remove(entity);
context.Remove((object)entity);
context.RemoveRange(entity);
context.RemoveRange(entity);
context.RemoveRange(new List<Product> { entity });
context.RemoveRange(new List<object> { entity });
Assert.False(changeDetector.DetectChangesCalled);
context.ChangeTracker.DetectChanges();
Assert.True(changeDetector.DetectChangesCalled);
}
}