public void Delete(T t)
{
if (t is SoftDeletable deletable)
{
deletable.IsDeleted = true;
_prandoDbContext.Update(deletable);
}
else
{
_prandoDbContext.Set <T>().Remove(t);
}
}
public static void AddOrUpdate(this Microsoft.EntityFrameworkCore.DbContext ctx, object entity)
{
var entry = ctx.Entry(entity);
switch (entry.State)
{
case EntityState.Detached:
ctx.Add(entity);
break;
case EntityState.Modified:
ctx.Update(entity);
break;
case EntityState.Added:
ctx.Add(entity);
break;
case EntityState.Unchanged:
//item already in db no need to do anything
break;
default:
throw new ArgumentOutOfRangeException();
}
}
public async Task Can_add_update_delete_end_to_end_using_partial_shadow_state()
{
IMutableModel model = new Model();
var customerType = model.AddEntityType(typeof(Customer));
var property1 = customerType.AddProperty("Id", typeof(int));
customerType.SetPrimaryKey(property1);
customerType.AddProperty("Name", typeof(string));
var optionsBuilder = new DbContextOptionsBuilder()
.UseModel(model.FinalizeModel())
.UseInMemoryDatabase(nameof(ShadowStateUpdateTest))
.UseInternalServiceProvider(_fixture.ServiceProvider);
var customer = new Customer
{
Id = 42
};
using (var context = new DbContext(optionsBuilder.Options))
{
context.Add(customer);
context.Entry(customer).Property("Name").CurrentValue = "Daenerys";
await context.SaveChangesAsync();
context.Entry(customer).Property("Name").CurrentValue = "Changed!";
}
using (var context = new DbContext(optionsBuilder.Options))
{
var customerFromStore = context.Set <Customer>().Single();
Assert.Equal(42, customerFromStore.Id);
Assert.Equal(
"Daenerys",
(string)context.Entry(customerFromStore).Property("Name").CurrentValue);
}
using (var context = new DbContext(optionsBuilder.Options))
{
var customerEntry = context.Entry(customer).GetInfrastructure();
customerEntry[customerType.FindProperty("Name")] = "Daenerys Targaryen";
context.Update(customer);
await context.SaveChangesAsync();
}
using (var context = new DbContext(optionsBuilder.Options))
{
var customerFromStore = context.Set <Customer>().Single();
Assert.Equal(42, customerFromStore.Id);
Assert.Equal(
"Daenerys Targaryen",
(string)context.Entry(customerFromStore).Property("Name").CurrentValue);
}
using (var context = new DbContext(optionsBuilder.Options))
{
context.Remove(customer);
await context.SaveChangesAsync();
}
using (var context = new DbContext(optionsBuilder.Options))
{
Assert.Equal(0, context.Set <Customer>().Count());
}
}
public async Task Can_add_update_delete_end_to_end()
{
var serviceProvider = new ServiceCollection()
.AddEntityFrameworkInMemoryDatabase()
.AddSingleton <ILoggerFactory>(new ListLoggerFactory())
.AddSingleton(TestModelSource.GetFactory(OnModelCreating))
.BuildServiceProvider();
var options = new DbContextOptionsBuilder()
.UseInternalServiceProvider(serviceProvider)
.UseInMemoryDatabase(nameof(DatabaseInMemoryTest))
.Options;
var customer = new Customer
{
Id = 42,
Name = "Theon"
};
using (var context = new DbContext(options))
{
context.Add(customer);
await context.SaveChangesAsync();
customer.Name = "Changed!";
}
using (var context = new DbContext(options))
{
var customerFromStore = context.Set <Customer>().Single();
Assert.Equal(42, customerFromStore.Id);
Assert.Equal("Theon", customerFromStore.Name);
}
using (var context = new DbContext(options))
{
customer.Name = "Theon Greyjoy";
context.Update(customer);
await context.SaveChangesAsync();
}
using (var context = new DbContext(options))
{
var customerFromStore = context.Set <Customer>().Single();
Assert.Equal(42, customerFromStore.Id);
Assert.Equal("Theon Greyjoy", customerFromStore.Name);
}
using (var context = new DbContext(options))
{
context.Remove(customer);
await context.SaveChangesAsync();
}
using (var context = new DbContext(options))
{
Assert.Equal(0, context.Set <Customer>().Count());
}
}
public async Task It_throws_object_disposed_exception(bool async)
{
var context = new DbContext(new DbContextOptions <DbContext>());
if (async)
{
await context.DisposeAsync();
}
else
{
context.Dispose();
}
// methods (tests all paths)
Assert.StartsWith(
CoreStrings.ContextDisposed,
Assert.Throws <ObjectDisposedException>(() => context.Add(new object())).Message);
Assert.StartsWith(
CoreStrings.ContextDisposed,
Assert.Throws <ObjectDisposedException>(() => context.Find(typeof(Random), 77)).Message);
Assert.StartsWith(
CoreStrings.ContextDisposed,
Assert.Throws <ObjectDisposedException>(() => context.Attach(new object())).Message);
Assert.StartsWith(
CoreStrings.ContextDisposed,
Assert.Throws <ObjectDisposedException>(() => context.Update(new object())).Message);
Assert.StartsWith(
CoreStrings.ContextDisposed,
Assert.Throws <ObjectDisposedException>(() => context.Remove(new object())).Message);
Assert.StartsWith(
CoreStrings.ContextDisposed,
Assert.Throws <ObjectDisposedException>(() => context.SaveChanges()).Message);
Assert.StartsWith(
CoreStrings.ContextDisposed,
(await Assert.ThrowsAsync <ObjectDisposedException>(() => context.SaveChangesAsync())).Message);
Assert.StartsWith(
CoreStrings.ContextDisposed,
(await Assert.ThrowsAsync <ObjectDisposedException>(() => context.AddAsync(new object()).AsTask())).Message);
Assert.StartsWith(
CoreStrings.ContextDisposed,
(await Assert.ThrowsAsync <ObjectDisposedException>(() => context.FindAsync(typeof(Random), 77).AsTask())).Message);
var methodCount = typeof(DbContext).GetMethods(BindingFlags.Public | BindingFlags.Instance | BindingFlags.DeclaredOnly).Count();
var expectedMethodCount = 42 + 8;
Assert.True(
methodCount == expectedMethodCount,
userMessage: $"Expected {expectedMethodCount} methods on DbContext but found {methodCount}. "
+ "Update test to ensure all methods throw ObjectDisposedException after dispose.");
// getters
Assert.StartsWith(
CoreStrings.ContextDisposed,
Assert.Throws <ObjectDisposedException>(() => context.ChangeTracker).Message);
Assert.StartsWith(
CoreStrings.ContextDisposed,
Assert.Throws <ObjectDisposedException>(() => context.Model).Message);
var expectedProperties = new List <string>
{
nameof(DbContext.ChangeTracker),
nameof(DbContext.ContextId), // By-design, does not throw for disposed context
nameof(DbContext.Database),
nameof(DbContext.Model)
};
Assert.True(
expectedProperties.SequenceEqual(
typeof(DbContext)
.GetProperties()
.Select(p => p.Name)
.OrderBy(s => s)
.ToList()),
userMessage: "Unexpected properties on DbContext. "
+ "Update test to ensure all getters throw ObjectDisposedException after dispose.");
Assert.StartsWith(
CoreStrings.ContextDisposed,
Assert.Throws <ObjectDisposedException>(() => ((IInfrastructure <IServiceProvider>)context).Instance).Message);
}
public async Task Can_add_update_delete_end_to_end_using_partial_shadow_state()
{
var modelBuilder = InMemoryTestHelpers.Instance.CreateConventionBuilder();
var entityTypeBuilder = modelBuilder.Entity <Customer>();
entityTypeBuilder.Property <string>("Name");
var customerType = (IEntityType)entityTypeBuilder.Metadata;
var optionsBuilder = new DbContextOptionsBuilder()
.UseModel(modelBuilder.FinalizeModel())
.UseInMemoryDatabase(nameof(ShadowStateUpdateTest))
.UseInternalServiceProvider(_fixture.ServiceProvider);
var customer = new Customer {
Id = 42
};
using (var context = new DbContext(optionsBuilder.Options))
{
context.Add(customer);
context.Entry(customer).Property("Name").CurrentValue = "Daenerys";
await context.SaveChangesAsync();
context.Entry(customer).Property("Name").CurrentValue = "Changed!";
}
using (var context = new DbContext(optionsBuilder.Options))
{
var customerFromStore = context.Set <Customer>().Single();
Assert.Equal(42, customerFromStore.Id);
Assert.Equal(
"Daenerys",
(string)context.Entry(customerFromStore).Property("Name").CurrentValue);
}
using (var context = new DbContext(optionsBuilder.Options))
{
var customerEntry = context.Entry(customer).GetInfrastructure();
customerEntry[customerType.FindProperty("Name")] = "Daenerys Targaryen";
context.Update(customer);
await context.SaveChangesAsync();
}
using (var context = new DbContext(optionsBuilder.Options))
{
var customerFromStore = context.Set <Customer>().Single();
Assert.Equal(42, customerFromStore.Id);
Assert.Equal(
"Daenerys Targaryen",
(string)context.Entry(customerFromStore).Property("Name").CurrentValue);
}
using (var context = new DbContext(optionsBuilder.Options))
{
context.Remove(customer);
await context.SaveChangesAsync();
}
using (var context = new DbContext(optionsBuilder.Options))
{
Assert.Equal(0, context.Set <Customer>().Count());
}
}
private void Can_add_update_delete_end_to_end <T>()
where T : class, new()
{
var type = typeof(T);
var model = new Model();
var entityType = model.AddEntityType(type);
var idProperty = entityType.AddProperty("Id", typeof(int));
var nameProperty = entityType.AddProperty("Name", typeof(string));
entityType.GetOrSetPrimaryKey(idProperty);
var optionsBuilder = new DbContextOptionsBuilder()
.UseModel(model)
.UseInMemoryDatabase(nameof(EndToEndTest))
.UseInternalServiceProvider(_fixture.ServiceProvider);
T entity;
using (var context = new DbContext(optionsBuilder.Options))
{
var entry = context.ChangeTracker.GetInfrastructure().GetOrCreateEntry(new T());
entity = (T)entry.Entity;
entry[idProperty] = 42;
entry[nameProperty] = "The";
entry.SetEntityState(EntityState.Added);
context.SaveChanges();
}
using (var context = new DbContext(optionsBuilder.Options))
{
var entityFromStore = context.Set <T>().Single();
var entityEntry = context.Entry(entityFromStore);
Assert.NotSame(entity, entityFromStore);
Assert.Equal(42, entityEntry.Property(idProperty.Name).CurrentValue);
Assert.Equal("The", entityEntry.Property(nameProperty.Name).CurrentValue);
entityEntry.GetInfrastructure()[nameProperty] = "A";
context.Update(entityFromStore);
context.SaveChanges();
}
using (var context = new DbContext(optionsBuilder.Options))
{
var entityFromStore = context.Set <T>().Single();
var entry = context.Entry(entityFromStore);
Assert.Equal("A", entry.Property(nameProperty.Name).CurrentValue);
context.Remove(entityFromStore);
context.SaveChanges();
}
using (var context = new DbContext(optionsBuilder.Options))
{
Assert.Equal(0, context.Set <T>().Count());
}
}
