public PublisherSubscriberFixture() { var env = Environment.GetEnvironmentVariable("KAFKA_DIFF_ENV"); var builder = new ConfigurationBuilder() .SetBasePath(Directory.GetCurrentDirectory()) .AddJsonFile( path: string.IsNullOrWhiteSpace(env) ? "settings.json" : $"settings.{env}.json", optional: false) .AddEnvironmentVariables(); var configuration = builder.Build(); var settings = new Settings(); configuration.Bind(settings); PublisherAutofacModule.KafkaServer = settings.KafkaServer; SubscriberAutofacModule.KafkaServer = settings.KafkaServer; var publisherContainerBuilder = new ContainerBuilder(); publisherContainerBuilder.RegisterModule <PublisherAutofacModule>(); publisherContainerBuilder.RegisterType <SubmitController>().SingleInstance(); var publisherContainer = publisherContainerBuilder.Build(); _submitController = publisherContainer.Resolve <SubmitController>(); var subscriberContainerBuilder = new ContainerBuilder(); subscriberContainerBuilder.RegisterModule <SubscriberAutofacModule>(); subscriberContainerBuilder.RegisterType <DiffController>().SingleInstance(); var subscriberContainer = subscriberContainerBuilder.Build(); _diffController = subscriberContainer.Resolve <DiffController>(); _diffController.StartWorker(); }