feat(host): implement GraphologyHostConfig — render ujsx templates to graphology DAG

This commit is contained in:
2026-05-21 21:23:28 +00:00
parent d63ef886d8
commit efded0946e
3 changed files with 777 additions and 6 deletions

View File

@@ -1,7 +1,454 @@
import { describe, it, expect } from 'vitest';
import { describe, it, expect } from "vitest";
import { h, createHostRoot } from "@alkdev/ujsx";
import { Operation, Sequential, Parallel, Conditional, Map } from "../../src/component/index.js";
import { GraphologyHostConfig } from "../../src/host/graphology.js";
import type { GraphContext } from "../../src/host/graphology.js";
import { CycleError } from "../../src/error/index.js";
describe('graphology host', () => {
it('placeholder', () => {
expect(true).toBe(true);
function renderTemplate(template: ReturnType<typeof h>): GraphContext {
const root = createHostRoot(GraphologyHostConfig, null);
root.render(template);
return root.ctx;
}
describe("GraphologyHostConfig", () => {
it("createRootContext creates fresh DirectedGraph with DAG constraints", () => {
const ctx = GraphologyHostConfig.createRootContext(null);
expect(ctx.graph).toBeDefined();
expect(ctx.graph.order).toBe(0);
expect(ctx.parentStack).toEqual([]);
});
it("createRootContext accepts options with registry", () => {
const registry = { resolve: (name: string) => name };
const ctx = GraphologyHostConfig.createRootContext(null, { registry });
expect(ctx.operationRegistry).toBe(registry);
});
});
describe("Sequential rendering", () => {
it("creates sequential edges between consecutive siblings", () => {
const template = h(Sequential, {},
h(Operation, { name: "A" }),
h(Operation, { name: "B" }),
h(Operation, { name: "C" }),
);
const ctx = renderTemplate(template);
expect(ctx.graph.nodes().sort()).toEqual(["A", "B", "C"]);
expect(ctx.graph.hasDirectedEdge("A", "B")).toBe(true);
expect(ctx.graph.hasDirectedEdge("B", "C")).toBe(true);
expect(ctx.graph.hasDirectedEdge("A", "C")).toBe(false);
});
it("creates sequential edges with correct edgeType attribute", () => {
const template = h(Sequential, {},
h(Operation, { name: "A" }),
h(Operation, { name: "B" }),
);
const ctx = renderTemplate(template);
const edgeKey = ctx.graph.edge("A", "B");
const attrs = ctx.graph.getEdgeAttributes(edgeKey);
expect(attrs.edgeType).toBe("sequential");
});
it("single child produces no edges", () => {
const template = h(Sequential, {},
h(Operation, { name: "A" }),
);
const ctx = renderTemplate(template);
expect(ctx.graph.nodes()).toEqual(["A"]);
expect(ctx.graph.size).toBe(0);
});
it("empty Sequential produces no nodes or edges", () => {
const template = h(Sequential, {});
const ctx = renderTemplate(template);
expect(ctx.graph.order).toBe(0);
expect(ctx.graph.size).toBe(0);
});
});
describe("Parallel rendering", () => {
it("creates no inter-child edges", () => {
const template = h(Parallel, {},
h(Operation, { name: "A" }),
h(Operation, { name: "B" }),
h(Operation, { name: "C" }),
);
const ctx = renderTemplate(template);
expect(ctx.graph.nodes().sort()).toEqual(["A", "B", "C"]);
expect(ctx.graph.size).toBe(0);
});
it("parallel inside sequential connects predecessor to all parallel children", () => {
const template = h(Sequential, {},
h(Operation, { name: "pre" }),
h(Parallel, {},
h(Operation, { name: "A" }),
h(Operation, { name: "B" }),
),
);
const ctx = renderTemplate(template);
expect(ctx.graph.nodes().sort()).toEqual(["A", "B", "pre"]);
expect(ctx.graph.hasDirectedEdge("pre", "A")).toBe(true);
expect(ctx.graph.hasDirectedEdge("pre", "B")).toBe(true);
expect(ctx.graph.hasDirectedEdge("A", "B")).toBe(false);
});
it("parallel inside sequential: successors connect to all parallel children", () => {
const template = h(Sequential, {},
h(Parallel, {},
h(Operation, { name: "A" }),
h(Operation, { name: "B" }),
),
h(Operation, { name: "post" }),
);
const ctx = renderTemplate(template);
expect(ctx.graph.nodes().sort()).toEqual(["A", "B", "post"]);
expect(ctx.graph.hasDirectedEdge("A", "post")).toBe(true);
expect(ctx.graph.hasDirectedEdge("B", "post")).toBe(true);
});
it("full parallel sandwich in sequential", () => {
const template = h(Sequential, {},
h(Operation, { name: "pre" }),
h(Parallel, {},
h(Operation, { name: "A" }),
h(Operation, { name: "B" }),
),
h(Operation, { name: "post" }),
);
const ctx = renderTemplate(template);
expect(ctx.graph.nodes().sort()).toEqual(["A", "B", "post", "pre"]);
expect(ctx.graph.hasDirectedEdge("pre", "A")).toBe(true);
expect(ctx.graph.hasDirectedEdge("pre", "B")).toBe(true);
expect(ctx.graph.hasDirectedEdge("A", "post")).toBe(true);
expect(ctx.graph.hasDirectedEdge("B", "post")).toBe(true);
});
});
describe("Conditional rendering", () => {
it("creates conditional edges with dataFlow true", () => {
const template = h(Sequential, {},
h(Operation, { name: "A" }),
h(Conditional, { test: "A" },
h(Operation, { name: "B" }),
),
);
const ctx = renderTemplate(template);
expect(ctx.graph.nodes().sort()).toEqual(["A", "B"]);
expect(ctx.graph.hasDirectedEdge("A", "B")).toBe(true);
const edgeKey = ctx.graph.edge("A", "B");
const attrs = ctx.graph.getEdgeAttributes(edgeKey);
expect(attrs.edgeType).toBe("conditional");
expect(attrs.dataFlow).toBe(true);
});
it("conditional edge carries condition attribute", () => {
const template = h(Sequential, {},
h(Operation, { name: "A" }),
h(Conditional, { test: "A" },
h(Operation, { name: "B" }),
),
);
const ctx = renderTemplate(template);
const edgeKey = ctx.graph.edge("A", "B");
const attrs = ctx.graph.getEdgeAttributes(edgeKey);
expect(attrs.condition).toBe("A");
});
it("conditional with function test carries condition attribute", () => {
const testFn = (results: Record<string, unknown>) => true;
const template = h(Sequential, {},
h(Operation, { name: "A" }),
h(Conditional, { test: testFn },
h(Operation, { name: "B" }),
),
);
const ctx = renderTemplate(template);
const edgeKey = ctx.graph.edge("A", "B");
const attrs = ctx.graph.getEdgeAttributes(edgeKey);
expect(attrs.condition).toBe(testFn);
expect(attrs.edgeType).toBe("conditional");
expect(attrs.dataFlow).toBe(true);
});
it("conditional between sequential operations", () => {
const template = h(Sequential, {},
h(Operation, { name: "A" }),
h(Conditional, { test: "A" },
h(Operation, { name: "B" }),
),
h(Operation, { name: "C" }),
);
const ctx = renderTemplate(template);
expect(ctx.graph.hasDirectedEdge("A", "B")).toBe(true);
expect(ctx.graph.hasDirectedEdge("B", "C")).toBe(true);
const abEdge = ctx.graph.edge("A", "B");
const abAttrs = ctx.graph.getEdgeAttributes(abEdge);
expect(abAttrs.edgeType).toBe("conditional");
const bcEdge = ctx.graph.edge("B", "C");
const bcAttrs = ctx.graph.getEdgeAttributes(bcEdge);
expect(bcAttrs.edgeType).toBe("sequential");
});
});
describe("Nested compositions", () => {
it("parallel inside sequential inside parallel", () => {
const template = h(Parallel, {},
h(Sequential, {},
h(Operation, { name: "A" }),
h(Operation, { name: "B" }),
),
h(Sequential, {},
h(Operation, { name: "C" }),
h(Operation, { name: "D" }),
),
);
const ctx = renderTemplate(template);
expect(ctx.graph.nodes().sort()).toEqual(["A", "B", "C", "D"]);
expect(ctx.graph.hasDirectedEdge("A", "B")).toBe(true);
expect(ctx.graph.hasDirectedEdge("C", "D")).toBe(true);
expect(ctx.graph.hasDirectedEdge("A", "C")).toBe(false);
expect(ctx.graph.hasDirectedEdge("B", "D")).toBe(false);
});
it("sequential inside parallel inside sequential", () => {
const template = h(Sequential, {},
h(Operation, { name: "pre" }),
h(Parallel, {},
h(Sequential, {},
h(Operation, { name: "A" }),
h(Operation, { name: "B" }),
),
h(Operation, { name: "C" }),
),
h(Operation, { name: "post" }),
);
const ctx = renderTemplate(template);
expect(ctx.graph.nodes().sort()).toEqual(["A", "B", "C", "post", "pre"]);
expect(ctx.graph.hasDirectedEdge("pre", "A")).toBe(true);
expect(ctx.graph.hasDirectedEdge("pre", "C")).toBe(true);
expect(ctx.graph.hasDirectedEdge("A", "B")).toBe(true);
expect(ctx.graph.hasDirectedEdge("B", "post")).toBe(true);
expect(ctx.graph.hasDirectedEdge("C", "post")).toBe(true);
});
it("conditional inside sequential inside parallel", () => {
const template = h(Sequential, {},
h(Operation, { name: "start" }),
h(Parallel, {},
h(Sequential, {},
h(Conditional, { test: "start" },
h(Operation, { name: "condA" }),
),
h(Operation, { name: "afterA" }),
),
h(Operation, { name: "branchB" }),
),
);
const ctx = renderTemplate(template);
expect(ctx.graph.nodes().sort()).toEqual(["afterA", "branchB", "condA", "start"]);
expect(ctx.graph.hasDirectedEdge("start", "condA")).toBe(true);
expect(ctx.graph.hasDirectedEdge("start", "branchB")).toBe(true);
expect(ctx.graph.hasDirectedEdge("condA", "afterA")).toBe(true);
expect(ctx.graph.hasDirectedEdge("afterA", undefined as unknown as string)).toBe(false);
const startCondAKey = ctx.graph.edge("start", "condA");
const startCondAAttrs = ctx.graph.getEdgeAttributes(startCondAKey);
expect(startCondAAttrs.edgeType).toBe("conditional");
expect(startCondAAttrs.dataFlow).toBe(true);
});
});
describe("dataFlow inference", () => {
it("sequential edges default to dataFlow false", () => {
const template = h(Sequential, {},
h(Operation, { name: "A" }),
h(Operation, { name: "B" }),
);
const ctx = renderTemplate(template);
const edgeKey = ctx.graph.edge("A", "B");
const attrs = ctx.graph.getEdgeAttributes(edgeKey);
expect(attrs.edgeType).toBe("sequential");
expect(attrs.dataFlow).toBe(false);
});
it("conditional edges always have dataFlow true", () => {
const template = h(Sequential, {},
h(Operation, { name: "A" }),
h(Conditional, { test: "A" },
h(Operation, { name: "B" }),
),
);
const ctx = renderTemplate(template);
const edgeKey = ctx.graph.edge("A", "B");
const attrs = ctx.graph.getEdgeAttributes(edgeKey);
expect(attrs.dataFlow).toBe(true);
});
});
describe("Cycle detection", () => {
it("finalizeRoot throws CycleError when graph has a cycle", () => {
const ctx = GraphologyHostConfig.createRootContext(null);
ctx.graph.addNode("A", {});
ctx.graph.addNode("B", {});
ctx.graph.addNode("C", {});
ctx.graph.addEdgeWithKey("A->B", "A", "B", {});
ctx.graph.addEdgeWithKey("B->C", "B", "C", {});
ctx.graph.addEdgeWithKey("C->A", "C", "A", {});
expect(() => GraphologyHostConfig.finalizeRoot?.(ctx)).toThrow(CycleError);
});
it("finalizeRoot does not throw for a valid DAG", () => {
const ctx = GraphologyHostConfig.createRootContext(null);
ctx.graph.addNode("A", {});
ctx.graph.addNode("B", {});
ctx.graph.addEdgeWithKey("A->B", "A", "B", {});
expect(() => GraphologyHostConfig.finalizeRoot?.(ctx)).not.toThrow();
});
});
describe("Operation node attributes", () => {
it("creates graph node with OperationNodeAttrs", () => {
const template = h(Sequential, {},
h(Operation, { name: "classify" }),
);
const ctx = renderTemplate(template);
const attrs = ctx.graph.getNodeAttributes("classify");
expect(attrs.name).toBe("classify");
expect(attrs.namespace).toBe("");
expect(attrs.version).toBe("0.0.1");
expect(attrs.type).toBe("mutation");
});
it("operation with custom attributes", () => {
const template = h(Sequential, {},
h(Operation, {
name: "enrich",
namespace: "task",
version: "1.0.0",
type: "query",
inputSchema: { type: "object" },
outputSchema: { type: "string" },
description: "Enriches data",
tags: ["core", "data"],
}),
);
const ctx = renderTemplate(template);
const attrs = ctx.graph.getNodeAttributes("enrich");
expect(attrs.name).toBe("enrich");
expect(attrs.namespace).toBe("task");
expect(attrs.version).toBe("1.0.0");
expect(attrs.type).toBe("query");
expect(attrs.inputSchema).toEqual({ type: "object" });
expect(attrs.outputSchema).toEqual({ type: "string" });
expect(attrs.description).toBe("Enriches data");
expect(attrs.tags).toEqual(["core", "data"]);
});
});
describe("removeChild", () => {
it("removes edge between operation nodes", () => {
const ctx = GraphologyHostConfig.createRootContext(null);
const parent: import("../../src/host/graphology.js").GraphNode = { key: "A", attributes: {} as any };
const child: import("../../src/host/graphology.js").GraphNode = { key: "B", attributes: {} as any };
ctx.graph.addNode("A", {});
ctx.graph.addNode("B", {});
ctx.graph.addEdgeWithKey("A->B", "A", "B", {});
GraphologyHostConfig.removeChild(parent, child, ctx);
expect(ctx.graph.hasDirectedEdge("A", "B")).toBe(false);
});
});
describe("createInstance structural containers", () => {
it("structural containers get synthetic keys", () => {
const ctx = GraphologyHostConfig.createRootContext(null);
const seqNode = GraphologyHostConfig.createInstance("sequential", {}, ctx);
expect(seqNode.key.startsWith("__sequential_")).toBe(true);
const parNode = GraphologyHostConfig.createInstance("parallel", {}, ctx);
expect(parNode.key.startsWith("__parallel_")).toBe(true);
});
it("structural containers do not create graph nodes", () => {
const template = h(Sequential, {},
h(Operation, { name: "A" }),
);
const ctx = renderTemplate(template);
const graphNodes = ctx.graph.nodes();
expect(graphNodes).toEqual(["A"]);
expect(graphNodes.some((k) => k.startsWith("__"))).toBe(false);
});
});
describe("render via createRoot", () => {
it("renders a complete pipeline template", () => {
const template = h(Sequential, {},
h(Operation, { name: "architect" }),
h(Operation, { name: "reviewer" }),
h(Parallel, {},
h(Operation, { name: "decomposer" }),
h(Operation, { name: "specialist" }),
),
h(Operation, { name: "synthesizer" }),
);
const ctx = renderTemplate(template);
expect(ctx.graph.nodes().sort()).toEqual(["architect", "decomposer", "reviewer", "specialist", "synthesizer"]);
expect(ctx.graph.hasDirectedEdge("architect", "reviewer")).toBe(true);
expect(ctx.graph.hasDirectedEdge("reviewer", "decomposer")).toBe(true);
expect(ctx.graph.hasDirectedEdge("reviewer", "specialist")).toBe(true);
expect(ctx.graph.hasDirectedEdge("decomposer", "synthesizer")).toBe(true);
expect(ctx.graph.hasDirectedEdge("specialist", "synthesizer")).toBe(true);
});
});