test_graph_mermaid_frontmatter_config() — langchain Function Reference

Architecture documentation for the test_graph_mermaid_frontmatter_config() function in test_graph.py from the langchain codebase.

Function python LangChainCore Runnables

Entity Profile

LangChainCore→ Runnables→ test_graph_mermaid_frontmatter_config() — langchain Function Reference

Dependency Diagram

graph TD
  7f9175d5_e2e3_d4d5_ca64_868363776aea["test_graph_mermaid_frontmatter_config()"]
  83e2cebc_592b_5a1b_c581_48dfbd3d53cf["test_graph.py"]
  7f9175d5_e2e3_d4d5_ca64_868363776aea -->|defined in| 83e2cebc_592b_5a1b_c581_48dfbd3d53cf
  style 7f9175d5_e2e3_d4d5_ca64_868363776aea fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/core/tests/unit_tests/runnables/test_graph.py lines 547–569

def test_graph_mermaid_frontmatter_config(snapshot: SnapshotAssertion) -> None:
    graph = Graph(
        nodes={
            "__start__": Node(
                id="__start__", name="__start__", data=BaseModel, metadata=None
            ),
            "my_node": Node(
                id="my_node", name="my_node", data=BaseModel, metadata=None
            ),
        },
        edges=[
            Edge(source="__start__", target="my_node", data=None, conditional=False)
        ],
    )
    assert graph.draw_mermaid(
        frontmatter_config={
            "config": {
                "theme": "neutral",
                "look": "handDrawn",
                "themeVariables": {"primaryColor": "#e2e2e2"},
            }
        }
    ) == snapshot(name="mermaid")