test_pre_init_decorator_with_more_defaults() — langchain Function Reference

Architecture documentation for the test_pre_init_decorator_with_more_defaults() function in test_pydantic.py from the langchain codebase.

Function python LangChainCore MessageInterface calls 1

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LangChainCore→ MessageInterface→ test_pre_init_decorator_with_more_defaults() — langchain Function Reference

Dependency Diagram

graph TD
  6104c41f_a11f_e911_487d_10e44b64cf13["test_pre_init_decorator_with_more_defaults()"]
  f94b56e0_336c_6748_3628_73edd4212b01["test_pydantic.py"]
  6104c41f_a11f_e911_487d_10e44b64cf13 -->|defined in| f94b56e0_336c_6748_3628_73edd4212b01
  edab1b9c_414d_0bfb_72fb_78e0cdb41fef["validator()"]
  6104c41f_a11f_e911_487d_10e44b64cf13 -->|calls| edab1b9c_414d_0bfb_72fb_78e0cdb41fef
  style 6104c41f_a11f_e911_487d_10e44b64cf13 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/core/tests/unit_tests/utils/test_pydantic.py lines 38–54

def test_pre_init_decorator_with_more_defaults() -> None:
    class Foo(BaseModel):
        a: int = 1
        b: int | None = None
        c: int = Field(default=2)
        d: int = Field(default_factory=lambda: 3)

        @pre_init
        def validator(cls, v: dict[str, Any]) -> dict[str, Any]:
            assert v["a"] == 1
            assert v["b"] is None
            assert v["c"] == 2
            assert v["d"] == 3
            return v

    # Try to create an instance of Foo
    Foo()