Create_Should_Return_Previous_Object_If_Configuration_Had_Been_Changed_And_Is_Invalid_To_Create_New_One()
{
var tesTConfigClassProvider = new TesTConfigClassProvider();
tesTConfigClassProvider.Set(ExtensionMethods.CreateKeyName <SampleConfiguration>(x => x.IntValue), "10");
var configuration = new ConfigurationRoot(new List <IConfigurationProvider> {
tesTConfigClassProvider
});
var factory = new TrackingConfigurationChangesFactory <SampleConfiguration>(
configuration.GetSection(nameof(SampleConfiguration)),
BindPolicy.Default);
var lastValidConfig = factory.Create();
tesTConfigClassProvider.Clear();
// act && assert
var actualConfig = factory.Create();
Assert.Same(lastValidConfig, actualConfig);
}
When_Configuration_Has_Been_Changed_And_Now_Causes_Instatnion_Errors_The_Last_Object_Is_Returned_For_A_New_Scope()
{
// arrange
var configurationProvider = new TesTConfigClassProvider().SetSection(100, "any");
var configuration = new ConfigurationRoot(new List <IConfigurationProvider> {
configurationProvider
});
_serviceCollection.AddBoundToConfig <SampleConfiguration>(configuration, nameof(SampleConfiguration));
var provider = _serviceCollection.BuildServiceProvider(true);
var myOptions1 = provider.CreateScope().ServiceProvider.GetRequiredService <SampleConfiguration>();
// act
configurationProvider.Clear();
configurationProvider.Reload();
var myOptions2 = provider.CreateScope().ServiceProvider.GetRequiredService <SampleConfiguration>();
// assert
Assert.Same(myOptions1, myOptions2);
}
public void When_Configuration_Has_Been_Changed_And_Causes_Instatnion_Errors_Registered_Handler_Is_Called()
{
// arrange
var configurationProvider = new TesTConfigClassProvider().SetSection(100, "any");
var configuration = new ConfigurationRoot(new List <IConfigurationProvider> {
configurationProvider
});
var resetEvent = new ManualResetEventSlim(false);
_serviceCollection.AddBoundToConfig <SampleConfiguration>(
configuration,
nameof(SampleConfiguration),
(ex, type) => { resetEvent.Set(); });
var provider = _serviceCollection.BuildServiceProvider(true);
// act
configurationProvider.Clear();
configurationProvider.Reload();
provider.CreateScope().ServiceProvider.GetRequiredService <SampleConfiguration>();
// assert
resetEvent.Wait(TimeSpan.FromMilliseconds(1000)).Should().BeTrue("Error handler should be called.");
}