'Returns all documents in the doc dict.
This function is not a part of the DocManager API, and is only used
to simulate searching all documents from a backend.'

def _search(self):

    results = []
    for _id in self.doc_dict:
        entry = self.doc_dict[_id]
        if (entry.doc is not None):
            results.append(entry.merged_dict)
    return results
