import { describe, expect, it } from "vitest";
import { buildPageTreeProjectionItems } from "@/lib/tree-projection";

describe("tree-projection contract", () => {
  it("page_tree projection item 持续输出共享 contract 字段", () => {
    const items = buildPageTreeProjectionItems([
      {
        access_scope: "private",
        id: "root",
        workspace_id: "ws_1",
        title: "Root",
        parent_id: null,
        sort_order: 0,
        is_starred: false,
        is_template: false,
        created_at: "2026-04-18T00:00:00Z",
        updated_at: null,
        children: [],
      },
    ]);

    expect(items).toHaveLength(1);
    expect(items[0]).toMatchObject({
      rowId: "page:root",
      nodeId: "root",
      parentNodeId: null,
      projectionKind: "page_tree",
      expandable: false,
      expandedByDefault: true,
      iconHint: "page",
      resourceMeta: {
        resourceKind: "document",
        documentId: "root",
        iconHint: "page",
      },
    });
    expect(items[0]?.capabilities).toContain("open");
  });
});