test_exists() — langchain Function Reference

Architecture documentation for the test_exists() function in test_in_memory_record_manager.py from the langchain codebase.

Function python CoreAbstractions RunnableInterface

Entity Profile

CoreAbstractions→ RunnableInterface→ test_exists() — langchain Function Reference

Dependency Diagram

graph TD
  88b9cd2d_3a8d_779a_397b_b1a1fed9a751["test_exists()"]
  0a49adf9_8741_0192_f95b_5cb8cd00ab22["test_in_memory_record_manager.py"]
  88b9cd2d_3a8d_779a_397b_b1a1fed9a751 -->|defined in| 0a49adf9_8741_0192_f95b_5cb8cd00ab22
  style 88b9cd2d_3a8d_779a_397b_b1a1fed9a751 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/core/tests/unit_tests/indexing/test_in_memory_record_manager.py lines 148–160

def test_exists(manager: InMemoryRecordManager) -> None:
    """Test checking if keys exist in the database."""
    # Insert records
    keys = ["key1", "key2", "key3"]
    manager.update(keys)
    # Check if the keys exist in the database
    exists = manager.exists(keys)
    assert len(exists) == len(keys)
    assert exists == [True, True, True]

    exists = manager.exists(["key1", "key4"])
    assert len(exists) == 2
    assert exists == [True, False]