public void AddPreprocessor_Should_Succeed()
{
var preprocessor1 = new TestReturnNullPreprocessor();
var builder = new HubConfigurationBuilder <TestRoutable>();
HubConfigurationBuilderExtensions.AddPreprocessor <TestRoutable>(builder, preprocessor1);
builder.Preprocessors.Should().Contain(preprocessor1);
}
public void AddPreprocessorNull_ShouldThrow_ArgumentNullException()
{
var builder = new HubConfigurationBuilder <TestRoutable>();
Assert.Throws <ArgumentNullException>(() => HubConfigurationBuilderExtensions.AddPreprocessor(builder, null));
}