test_identical_vectors() — langchain Function Reference

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

Function python LangChainCore MessageInterface

Entity Profile

LangChainCore→ MessageInterface→ test_identical_vectors() — langchain Function Reference

Dependency Diagram

graph TD
  f53a0cd5_81c3_2a36_2017_9b764a80c9f4["test_identical_vectors()"]
  43305d93_a58a_e7db_615b_b8a5a18284ab["TestCosineSimilarity"]
  f53a0cd5_81c3_2a36_2017_9b764a80c9f4 -->|defined in| 43305d93_a58a_e7db_615b_b8a5a18284ab
  style f53a0cd5_81c3_2a36_2017_9b764a80c9f4 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/core/tests/unit_tests/vectorstores/test_utils.py lines 25–31

    def test_identical_vectors(self) -> None:
        """Test cosine similarity of identical vectors."""
        x: list[list[float]] = [[1, 2, 3]]
        y: list[list[float]] = [[1, 2, 3]]
        result = _cosine_similarity(x, y)
        expected = np.array([[1.0]])
        np.testing.assert_array_almost_equal(result, expected)