GuzzleHttp\Tests\Psr7\FunctionsTest::testFactoryCreatesFromResource PHP Метод

    public function testFactoryCreatesFromResource()
    {
        $r = fopen(__FILE__, 'r');
        $s = Psr7\stream_for($r);
        $this->assertInstanceOf('GuzzleHttp\\Psr7\\Stream', $s);
        $this->assertSame(file_get_contents(__FILE__), (string) $s);
    }