public function testBodySwap()
{
$message1 = new Swift_Message('Test');
$html = Swift_MimePart::newInstance('<html></html>', 'text/html');
$html->getHeaders()->addTextHeader('X-Test-Remove', 'Test-Value');
$html->getHeaders()->addTextHeader('X-Test-Alter', 'Test-Value');
$message1->attach($html);
$source = $message1->toString();
$message2 = clone $message1;
$message2->setSubject('Message2');
foreach ($message2->getChildren() as $child) {
$child->setBody('Test');
$child->getHeaders()->removeAll('X-Test-Remove');
$child->getHeaders()->get('X-Test-Alter')->setValue('Altered');
}
$final = $message1->toString();
if ($source != $final) {
$this->fail("Difference although object cloned \n [" . $source . "]\n[" . $final . "]\n");
}
$final = $message2->toString();
if ($final == $source) {
$this->fail('Two body matches although they should differ' . "\n [" . $source . "]\n[" . $final . "]\n");
}
$id_1 = $message1->getId();
$id_2 = $message2->getId();
$this->assertEquals($id_1, $id_2, 'Message Ids differ');
$id_2 = $message2->generateId();
$this->assertNotEquals($id_1, $id_2, 'Message Ids are the same');
}