public void ToSubscriberBuilder_FromSubscriberBuilder()
{
// Arrange
var topics = Fixture.Create <List <string> >();
var builder = new TopicBuilder(topics.Count + 1, TopicConsumer.Subscriber)
.AddTopics(topics);
// Act
var subscriberBuilder = builder.ToSubscriberBuilder();
// Assert
subscriberBuilder.Levels
.Should()
.Be(builder.Levels,
"because the content of the builder should remain the same");
subscriberBuilder.TopicCollection.ToArray()
.Should()
.Contain(builder.TopicCollection.ToArray(),
"because the content of the builder should remain the same");
subscriberBuilder.Consumer
.Should()
.Be(TopicConsumer.Subscriber,
"because the consumer should have changed for the converted builder");
}