private async Task RunSaveChangesOnInsertAndUpdateAsync()
{
using var context = new TestContext(ContextUtil.GetOptions());
var loadedEntites = await context.Items.Include(a => a.ItemHistories).Where(a => a.ItemId <= 3000).ToListAsync(); // load first 3000 entities
var existingEntites = loadedEntites.Where(a => a.ItemId <= 2000).ToList(); // take first 2000 of loaded entities and update them
foreach (var existingEntity in existingEntites)
{
existingEntity.Description += " UPDATED";
existingEntity.ItemHistories.FirstOrDefault().Remark += " UPD";
}
var newEntities = GetNewEntities(4000, "NEW ");
await context.Items.AddRangeAsync(newEntities);
await context.BulkSaveChangesAsync();
// Validate Test
int entitiesCount = await context.Items.CountAsync();
Item firstEntity = await context.Items.SingleOrDefaultAsync(a => a.ItemId == 1);
Assert.Equal(9000, entitiesCount);
Assert.EndsWith(" UPDATED", firstEntity.Description);
}
private async Task RunSaveChangesOnInsertAsync()
{
using var context = new TestContext(ContextUtil.GetOptions());
var newEntities = GetNewEntities(5000, "");
await context.Items.AddRangeAsync(newEntities);
await context.BulkSaveChangesAsync();
// Validate Test
int entitiesCount = await context.Items.CountAsync();
Item firstEntity = await context.Items.SingleOrDefaultAsync(a => a.ItemId == 1);
Assert.Equal(5000, entitiesCount);
Assert.Equal("Name 1", firstEntity.Name);
}