class_docstr: Test InMemoryDocumentStore's specific features
class_docstr_tok: ["Test","InMemoryDocumentStore","'s","specific","features"]
code: def test_bm25_retrieval_with_updated_docs(
      self, document_store: InMemoryDocumentStore
  ):
      # Tests if the bm25_retrieval method correctly updates the retrieved documents when new
      # documents are added to the DocumentStore.
      docs = [Document(content="Hello world")]
      document_store.write_documents(docs)
  
      results = document_store.bm25_retrieval(query="Python", top_k=1)
      assert len(results) == 0
  
      document_store.write_documents(
          [Document(content="Python is a popular programming language")]
      )
      results = document_store.bm25_retrieval(query="Python", top_k=1)
      assert len(results) == 1
      assert (
          results[0].content
          == "Python is a popular programming language"
      )
  
      document_store.write_documents(
          [Document(content="Java is a popular programming language")]
      )
      results = document_store.bm25_retrieval(query="Python", top_k=1)
      assert len(results) == 1
      assert (
          results[0].content
          == "Python is a popular programming language"
      )
  
imports: import logging
  from unittest.mock import patch
  import pandas
  import pytest
  from haystack import Document
  from haystack.document_stores.errors import DocumentStoreError, DuplicateDocumentError
  from haystack.document_stores.in_memory import InMemoryDocumentStore
  from haystack.testing.document_store import DocumentStoreBaseTests
label_desc: Use image node_id 11 for calling the TestMemoryDocumentStore obj's underlying member method code with example usage: obj.test_bm25_retrieval_with_updated_docs(document_store) without return types