public void BulkUpdate()
{
TestDbContext dbContext = new TestDbContext();
SetupData(dbContext, true);
var orders = dbContext.Orders.Where(o => o.Price == 1.25M).OrderBy(o => o.Id).ToList();
long maxId = 0;
foreach (var order in orders)
{
order.Price = 2.35M;
maxId = order.Id;
}
int rowsUpdated = dbContext.BulkUpdate(orders);
var newOrders = dbContext.Orders.Where(o => o.Price == 2.35M).OrderBy(o => o.Id).Count();
int entitiesWithChanges = dbContext.ChangeTracker.Entries().Where(t => t.State == EntityState.Modified).Count();
Assert.IsTrue(orders.Count > 0, "There must be orders in database that match this condition (Price = $1.25)");
Assert.IsTrue(rowsUpdated == orders.Count, "The number of rows updated must match the count of entities that were retrieved");
Assert.IsTrue(newOrders == rowsUpdated, "The count of new orders must be equal the number of rows updated in the database.");
//Assert.IsTrue(entitiesWithChanges == 0, "There should be no pending Order entities with changes after BulkInsert completes");
}
