php-http / mock-client

    /**

     * Adds an exception that will be thrown.

     */

    public function addException(\Exception $exception)

    {

        if (!$exception instanceof Exception) {

            @trigger_error('Clients may only throw exceptions of type '.Exception::class.'. Setting an exception of class '.get_class($exception).' will not be possible anymore in the future', E_USER_DEPRECATED);

        }

        $this->exceptions[] = $exception;

    }

    /**

     * Sets the default exception to throw when the list of added exceptions and responses is exhausted.

     *

     * If both a default exception and a default response are set, the exception will be thrown.

     */

    public function setDefaultException(\Exception $defaultException = null)

    {

        if (!$defaultException instanceof Exception) {

            @trigger_error('Clients may only throw exceptions of type '.Exception::class.'. Setting an exception of class '.get_class($defaultException).' will not be possible anymore in the future', E_USER_DEPRECATED);

        }

        $this->defaultException = $defaultException;

    }

    /**

     * Adds a response that will be returned in first in first out order.