test_dereference_refs_cyclical_refs() — langchain Function Reference

Architecture documentation for the test_dereference_refs_cyclical_refs() function in test_json_schema.py from the langchain codebase.

Function python LangChainCore MessageInterface

Entity Profile

LangChainCore→ MessageInterface→ test_dereference_refs_cyclical_refs() — langchain Function Reference

Dependency Diagram

graph TD
  17f90bfa_4d8b_ff7b_9fc1_cd22e8dfd88f["test_dereference_refs_cyclical_refs()"]
  5d9c8eae_7a4a_0ffa_fa7c_a89825bcf1fa["test_json_schema.py"]
  17f90bfa_4d8b_ff7b_9fc1_cd22e8dfd88f -->|defined in| 5d9c8eae_7a4a_0ffa_fa7c_a89825bcf1fa
  style 17f90bfa_4d8b_ff7b_9fc1_cd22e8dfd88f fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/core/tests/unit_tests/utils/test_json_schema.py lines 224–272

def test_dereference_refs_cyclical_refs() -> None:
    schema = {
        "type": "object",
        "properties": {
            "user": {"$ref": "#/$defs/user"},
            "customer": {"$ref": "#/$defs/user"},
        },
        "$defs": {
            "user": {
                "type": "object",
                "properties": {
                    "friends": {"type": "array", "items": {"$ref": "#/$defs/user"}}
                },
            }
        },
    }
    expected = {
        "type": "object",
        "properties": {
            "user": {
                "type": "object",
                "properties": {
                    "friends": {
                        "type": "array",
                        "items": {},  # Recursion is broken here
                    }
                },
            },
            "customer": {
                "type": "object",
                "properties": {
                    "friends": {
                        "type": "array",
                        "items": {},  # Recursion is broken here
                    }
                },
            },
        },
        "$defs": {
            "user": {
                "type": "object",
                "properties": {
                    "friends": {"type": "array", "items": {"$ref": "#/$defs/user"}}
                },
            }
        },
    }
    actual = dereference_refs(schema)
    assert actual == expected