4-26 树rust-2

2026-04-26 04:29:23 +08:00
parent 94631f3636
commit 338bb2e20f
58 changed files with 11718 additions and 1256 deletions
@@ -0,0 +1,29 @@
+import { describe, expect, it } from "vitest";
+import { buildParentById, isAncestorOf } from "../../../convex/_utils/documentTree";
+
+describe("document tree helper", () => {
+  it("构建父链映射时保留页面与父页面关系，供树命令 legality 复用", () => {
+    const parentById = buildParentById([
+      { id: "root", parent_id: null },
+      { id: "child", parent_id: "root" },
+      { id: "leaf", parent_id: "child" },
+    ]);
+
+    expect(parentById.get("root")).toBeNull();
+    expect(parentById.get("child")).toBe("root");
+    expect(parentById.get("leaf")).toBe("child");
+  });
+
+  it("祖先判断应能识别多级后代，避免把页面移动到自己的子树下面", () => {
+    const parentById = buildParentById([
+      { id: "root", parent_id: null },
+      { id: "child", parent_id: "root" },
+      { id: "leaf", parent_id: "child" },
+    ]);
+
+    expect(isAncestorOf("root", "leaf", parentById)).toBe(true);
+    expect(isAncestorOf("child", "leaf", parentById)).toBe(true);
+    expect(isAncestorOf("leaf", "root", parentById)).toBe(false);
+    expect(isAncestorOf("missing", "leaf", parentById)).toBe(false);
+  });
+});