setClient() public method

public setClient ( Client $client )
$client GuzzleHttp\Client
 public function setUp()
 {
     // Create default HandlerStack
     $stack = HandlerStack::create(function (RequestInterface $request, array $options) {
         switch ($request->getUri()->getPath()) {
             case '/etag':
                 if ($request->getHeaderLine('If-None-Match') == 'MyBeautifulHash') {
                     return new FulfilledPromise(new Response(304));
                 }
                 return new FulfilledPromise((new Response())->withHeader('Etag', 'MyBeautifulHash'));
             case '/etag-changed':
                 if ($request->getHeaderLine('If-None-Match') == 'MyBeautifulHash') {
                     return new FulfilledPromise((new Response())->withHeader('Etag', 'MyBeautifulHash2'));
                 }
                 return new FulfilledPromise((new Response())->withHeader('Etag', 'MyBeautifulHash'));
             case '/stale-while-revalidate':
                 if ($request->getHeaderLine('If-None-Match') == 'MyBeautifulHash') {
                     return new FulfilledPromise((new Response(304))->withHeader('Cache-Control', 'max-age=10'));
                 }
                 return new FulfilledPromise((new Response())->withHeader('Etag', 'MyBeautifulHash')->withHeader('Cache-Control', 'max-age=1')->withAddedHeader('Cache-Control', 'stale-while-revalidate=60'));
         }
         throw new \InvalidArgumentException();
     });
     $this->cache = new CacheMiddleware();
     // Add this middleware to the top with `push`
     $stack->push($this->cache, 'cache');
     // Initialize the client with the handler option
     $this->client = new Client(['handler' => $stack]);
     $this->cache->setClient($this->client);
 }