test_empty_matrices() — langchain Function Reference

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

Function python LangChainCore ApiManagement

Entity Profile

LangChainCore→ ApiManagement→ test_empty_matrices() — langchain Function Reference

Dependency Diagram

graph TD
  c29918d6_910b_662b_8d38_2291810c2214["test_empty_matrices()"]
  43305d93_a58a_e7db_615b_b8a5a18284ab["TestCosineSimilarity"]
  c29918d6_910b_662b_8d38_2291810c2214 -->|defined in| 43305d93_a58a_e7db_615b_b8a5a18284ab
  style c29918d6_910b_662b_8d38_2291810c2214 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/core/tests/unit_tests/vectorstores/test_utils.py lines 86–92

    def test_empty_matrices(self) -> None:
        """Test with empty matrices."""
        x: list[list[float]] = []
        y: list[list[float]] = []
        result = _cosine_similarity(x, y)
        expected = np.array([[]])
        np.testing.assert_array_equal(result, expected)