public async Task <TEntity> AddAsync(TEntity entity)
{
m_context.Set <TEntity>().Add(entity);
await m_context.SaveChangesAsync();
return(entity);
}
public async Task AddAsync(Coupon coupon)
{
await _coupons.AddAsync(coupon);
await _context.SaveChangesAsync();
}
public async Task BulkAddAsync(List <TEntity> entities)
{
await DbContext.AddRangeAsync(entities);
await DbContext.SaveChangesAsync();
}
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 model = new Model();
var customerType = model.AddEntityType(typeof(Customer));
var property1 = customerType.AddProperty("Id", typeof(int));
customerType.GetOrSetPrimaryKey(property1);
customerType.AddProperty("Name", typeof(string));
var optionsBuilder = new DbContextOptionsBuilder()
.UseModel(model)
.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 <int> SaveChangesAsync()
{
return(await _dbContext.SaveChangesAsync());
}
public Task <int> SaveChangesAsync()
{
return(_context.SaveChangesAsync());
}