test_parse_model_string_errors() — langchain Function Reference

Architecture documentation for the test_parse_model_string_errors() function in test_base.py from the langchain codebase.

Function python LangChainCore LanguageModelBase

Entity Profile

LangChainCore→ LanguageModelBase→ test_parse_model_string_errors() — langchain Function Reference

Dependency Diagram

graph TD
  503e8c5b_0647_c7ea_1c99_697481b493f8["test_parse_model_string_errors()"]
  d83b56bb_a911_dd2e_ea6f_f5da87a02a7e["test_base.py"]
  503e8c5b_0647_c7ea_1c99_697481b493f8 -->|defined in| d83b56bb_a911_dd2e_ea6f_f5da87a02a7e
  style 503e8c5b_0647_c7ea_1c99_697481b493f8 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/langchain/tests/unit_tests/embeddings/test_base.py lines 31–53

def test_parse_model_string_errors() -> None:
    """Test error cases for model string parsing."""
    with pytest.raises(ValueError, match="Model name must be"):
        _parse_model_string("just-a-model-name")

    with pytest.raises(ValueError, match="Invalid model format "):
        _parse_model_string("")

    with pytest.raises(ValueError, match="is not supported"):
        _parse_model_string(":model-name")

    with pytest.raises(ValueError, match="Model name cannot be empty"):
        _parse_model_string("openai:")

    with pytest.raises(
        ValueError,
        match="Provider 'invalid-provider' is not supported",
    ):
        _parse_model_string("invalid-provider:model-name")

    for provider in _SUPPORTED_PROVIDERS:
        with pytest.raises(ValueError, match=f"{provider}"):
            _parse_model_string("invalid-provider:model-name")