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test_count_tokens_approximately_empty_messages() — langchain Function Reference

Architecture documentation for the test_count_tokens_approximately_empty_messages() function in test_utils.py from the langchain codebase.

Function python CoreAbstractions MessageSchema

Entity Profile

Dependency Diagram

graph TD
  2ce3b05b_5690_3626_b962_c842d7ed7905["test_count_tokens_approximately_empty_messages()"]
  ea3f8d89_f44b_6738_3cb9_a740a73cfca4["test_utils.py"]
  2ce3b05b_5690_3626_b962_c842d7ed7905 -->|defined in| ea3f8d89_f44b_6738_3cb9_a740a73cfca4
  style 2ce3b05b_5690_3626_b962_c842d7ed7905 fill:#6366f1,stroke:#818cf8,color:#fff

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Source Code

libs/core/tests/unit_tests/messages/test_utils.py lines 1471–1478

def test_count_tokens_approximately_empty_messages() -> None:
    # Test with empty message list
    assert count_tokens_approximately([]) == 0

    # Test with empty content
    messages = [HumanMessage(content="")]
    # 4 role chars -> 1 + 3 = 4 tokens
    assert count_tokens_approximately(messages) == 4

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Frequently Asked Questions

What does test_count_tokens_approximately_empty_messages() do?
test_count_tokens_approximately_empty_messages() is a function in the langchain codebase, defined in libs/core/tests/unit_tests/messages/test_utils.py.
Where is test_count_tokens_approximately_empty_messages() defined?
test_count_tokens_approximately_empty_messages() is defined in libs/core/tests/unit_tests/messages/test_utils.py at line 1471.

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