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test_count_tokens_approximately_string_content() — langchain Function Reference

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

Function python CoreAbstractions MessageSchema

Entity Profile

Dependency Diagram

graph TD
  c6f45466_ca24_044b_439e_5b61f9d80d20["test_count_tokens_approximately_string_content()"]
  ea3f8d89_f44b_6738_3cb9_a740a73cfca4["test_utils.py"]
  c6f45466_ca24_044b_439e_5b61f9d80d20 -->|defined in| ea3f8d89_f44b_6738_3cb9_a740a73cfca4
  style c6f45466_ca24_044b_439e_5b61f9d80d20 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/core/tests/unit_tests/messages/test_utils.py lines 1512–1521

def test_count_tokens_approximately_string_content() -> None:
    messages = [
        # 5 chars + 4 role chars -> 3 + 3 = 6 tokens
        HumanMessage(content="Hello"),
        # 8 chars + 9 role chars -> 5 + 3 = 8 tokens
        AIMessage(content="Hi there"),
        # 12 chars + 4 role chars -> 4 + 3 = 7 tokens
        HumanMessage(content="How are you?"),
    ]
    assert count_tokens_approximately(messages) == 21

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Frequently Asked Questions

What does test_count_tokens_approximately_string_content() do?
test_count_tokens_approximately_string_content() is a function in the langchain codebase, defined in libs/core/tests/unit_tests/messages/test_utils.py.
Where is test_count_tokens_approximately_string_content() defined?
test_count_tokens_approximately_string_content() is defined in libs/core/tests/unit_tests/messages/test_utils.py at line 1512.

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