public async Task Save_changes_adds_new_objects_to_store()
{
var model = CreateModel();
var configuration = CreateConfiguration();
var entityType = model.GetEntityType(typeof(Customer));
var customer = new Customer { Id = 42, Name = "Unikorn" };
var entityEntry = new ClrStateEntry(configuration, entityType, customer);
await entityEntry.SetEntityStateAsync(EntityState.Added);
var inMemoryDataStore = new InMemoryDataStore(configuration, new InMemoryDatabase(new[] { new NullLoggerFactory() }));
await inMemoryDataStore.SaveChangesAsync(new[] { entityEntry });
Assert.Equal(1, inMemoryDataStore.Database.SelectMany(t => t).Count());
Assert.Equal(new object[] { 42, "Unikorn" }, inMemoryDataStore.Database.Single().Single());
}
public async Task Save_changes_removes_deleted_objects_from_store()
{
var model = CreateModel();
var configuration = CreateConfiguration();
var entityType = model.GetEntityType(typeof(Customer));
var customer = new Customer { Id = 42, Name = "Unikorn" };
var entityEntry = new ClrStateEntry(configuration, entityType, customer);
await entityEntry.SetEntityStateAsync(EntityState.Added);
var inMemoryDataStore = new InMemoryDataStore(configuration, new InMemoryDatabase(new[] { new NullLoggerFactory() }));
await inMemoryDataStore.SaveChangesAsync(new[] { entityEntry });
// Because the data store is being used directly the entity state must be manually changed after saving.
await entityEntry.SetEntityStateAsync(EntityState.Unchanged);
customer.Name = "Unikorn, The Return";
await entityEntry.SetEntityStateAsync(EntityState.Deleted);
await inMemoryDataStore.SaveChangesAsync(new[] { entityEntry });
Assert.Equal(0, inMemoryDataStore.Database.SelectMany(t => t).Count());
}
public async Task Should_log_writes()
{
var model = CreateModel();
var configuration = CreateConfiguration();
var entityType = model.GetEntityType(typeof(Customer));
var customer = new Customer { Id = 42, Name = "Unikorn" };
var entityEntry = new ClrStateEntry(configuration, entityType, customer);
await entityEntry.SetEntityStateAsync(EntityState.Added);
var mockLogger = new Mock<ILogger>();
var mockFactory = new Mock<ILoggerFactory>();
mockFactory.Setup(m => m.Create(It.IsAny<string>())).Returns(mockLogger.Object);
var inMemoryDataStore = new InMemoryDataStore(configuration, new InMemoryDatabase(new[] { mockFactory.Object }));
await inMemoryDataStore.SaveChangesAsync(new[] { entityEntry });
mockLogger.Verify(
l => l.WriteCore(
TraceType.Information,
0,
It.IsAny<string>(),
null,
It.IsAny<Func<object, Exception, string>>()),
Times.Once);
}