public function testOverrideDocument()
{
$mgr = new AfsDocumentManager();
$mgr->add_document(new AfsDocument('foo'), 'bar');
$this->assertTrue($mgr->has_document());
$this->assertEquals(count($mgr->get_documents()), 1);
$mgr->add_document(new AfsDocument('baz'), 'bar');
$this->assertTrue($mgr->has_document());
$this->assertEquals(count($mgr->get_documents()), 1);
$docs = $mgr->get_documents();
$filename = reset($docs)->get_filename();
$this->assertEquals(file_get_contents($filename), 'baz');
}
