GuzzleHttp\Tests\RedirectMiddlewareTest::testAddsGuzzleRedirectHeader PHP Method

    public function testAddsGuzzleRedirectHeader()
    {
        $mock = new MockHandler([new Response(302, ['Location' => 'http://example.com']), new Response(302, ['Location' => 'http://example.com/foo']), new Response(302, ['Location' => 'http://example.com/bar']), new Response(200)]);
        $stack = new HandlerStack($mock);
        $stack->push(Middleware::redirect());
        $handler = $stack->resolve();
        $request = new Request('GET', 'http://example.com?a=b');
        $promise = $handler($request, ['allow_redirects' => ['track_redirects' => true]]);
        $response = $promise->wait(true);
        $this->assertEquals(['http://example.com', 'http://example.com/foo', 'http://example.com/bar'], $response->getHeader(RedirectMiddleware::HISTORY_HEADER));
    }