public async Task Should_log_writes()
{
var loggerFactory = new ListLoggerFactory();
var serviceCollection = new ServiceCollection();
serviceCollection.AddSingleton <ILoggerFactory>(loggerFactory);
var scopedServices = InMemoryTestHelpers.Instance.CreateContextServices(serviceCollection, CreateModel());
var customer = new Customer
{
Id = 42,
Name = "Unikorn"
};
var entityEntry = scopedServices.GetRequiredService <IStateManager>().GetOrCreateEntry(customer);
entityEntry.SetEntityState(EntityState.Added);
var inMemoryDatabase = scopedServices.GetRequiredService <IInMemoryDatabase>();
await inMemoryDatabase.SaveChangesAsync(new[] { entityEntry });
var(Level, _, Message, _, _) = loggerFactory.Log.Single(t => t.Id.Id == InMemoryEventId.ChangesSaved.Id);
Assert.Equal(LogLevel.Information, Level);
Assert.Equal(InMemoryResources.LogSavedChanges(new TestLogger <InMemoryLoggingDefinitions>()).GenerateMessage(1), Message);
}
/// <summary>
/// This is an internal API that supports the Entity Framework Core infrastructure and not subject to
/// the same compatibility standards as public APIs. It may be changed or removed without notice in
/// any release. You should only use it directly in your code with extreme caution and knowing that
/// doing so can result in application failures when updating to a new Entity Framework Core release.
/// </summary>
public static void ChangesSaved(
this IDiagnosticsLogger <DbLoggerCategory.Update> diagnostics,
IEnumerable <IUpdateEntry> entries,
int rowsAffected)
{
var definition = InMemoryResources.LogSavedChanges(diagnostics);
if (diagnostics.ShouldLog(definition))
{
definition.Log(diagnostics, rowsAffected);
}
if (diagnostics.NeedsEventData(definition, out var diagnosticSourceEnabled, out var simpleLogEnabled))
{
var eventData = new SaveChangesEventData(
definition,
ChangesSaved,
entries,
rowsAffected);
diagnostics.DispatchEventData(definition, eventData, diagnosticSourceEnabled, simpleLogEnabled);
}
}
