/**
  * Returns the email id to match against a cid in an email body
  * @param ImapBodyPart $section
  * @return string
  */
 private function getCid(ImapBodyPart $section)
 {
     return preg_quote(preg_replace(['/^</', '/>$/'], '', $section->getId()));
 }
 /**
  * @test
  */
 public function it_converts_the_object_to_a_string()
 {
     $bodyPart = new ImapBodyPart('foo', 'bar', 'baz', 'qux', 'quux', 'corge', 'grault');
     $this->assertEquals('{"bodyType":"foo","encoding":"bar","subType":"baz","section":"qux","charset":"quux","name":"corge","id":"grault"}', $bodyPart->__toString());
 }