PublisherFirstStep

Type Parameters:

T - The type of PublisherSource.Subscriber.

All Superinterfaces:

PublisherLastStep, PublisherStep<T>
```
public interface PublisherFirstStep<T>
extends PublisherStep<T>
```
Provides the ability to express expectations for the first step in a Subscriber's lifecycle.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`PublisherStep<T>`	`expectSubscription()`	Declare an expectation that `PublisherSource.Subscriber.onSubscribe(Subscription)` is the next signal.
`PublisherStep<T>`	`expectSubscriptionConsumed(java.util.function.Consumer<? super PublisherSource.Subscription> consumer)`	Declare an expectation that can be asserted when the `PublisherSource.Subscriber.onSubscribe(Subscription)` method is called.

Methods inherited from interface io.servicetalk.concurrent.api.test.PublisherLastStep
expectComplete, expectError, expectError, expectErrorConsumed, expectErrorMatches, thenCancel

Methods inherited from interface io.servicetalk.concurrent.api.test.PublisherStep
expectNext, expectNext, expectNext, expectNext, expectNextConsumed, expectNextCount, expectNextCount, expectNextMatches, expectNextSequence, expectNoSignals, then, thenAwait, thenRequest

- Method Detail
  - expectSubscription
```
PublisherStep<T> expectSubscription()
```
    Declare an expectation that PublisherSource.Subscriber.onSubscribe(Subscription) is the next signal.
    
    Returns:
    
    An object which allows for subsequent expectations to be defined.
  - expectSubscriptionConsumed
```
PublisherStep<T> expectSubscriptionConsumed(java.util.function.Consumer<? super PublisherSource.Subscription> consumer)
```
    Declare an expectation that can be asserted when the PublisherSource.Subscriber.onSubscribe(Subscription) method is called.
    
    Parameters:
    
    consumer - Consumes the PublisherSource.Subscription from PublisherSource.Subscriber.onSubscribe(Subscription).
    
    Returns:
    
    An object which allows for subsequent expectations to be defined.