diff --git a/test/graph.test.ts b/test/graph.test.ts
index 4e270b6..787884e 100644
--- a/test/graph.test.ts
+++ b/test/graph.test.ts
@@ -1,12 +1,30 @@
-import { FileGraph } from 'lib';
 import assert from 'node:assert';
+import { describe, it } from 'node:test';
+import { FileGraph } from 'lib';
 
-import test from 'node:test';
 const graph = FileGraph('./data.txt');
-test('create Vertex and findOne', async t => {
-  const model = { name: 'Dyor', age: new Date().toString() };
-  const id = await graph.createVertex(model);
-  const finModel = await graph.findOne<typeof model>(model => model.id == id);
-  console.log(finModel);
-  assert.deepStrictEqual({ id, ...model }, finModel);
+const myVertex = { name: 'Diy0r', age: new Date().toString() };
+let globId = '6c5febc1-161b-46c7-abf6-b20088fd410e';
+describe('CRUD', t => {
+  it('create Vertex and findOne', async t => {
+    const createdVertexId = await graph.createVertex(myVertex);
+    const findVertex = await graph.findOne<typeof myVertex>(
+      vertex => vertex.id == createdVertexId,
+    );
+    assert.deepStrictEqual({ id: createdVertexId, ...myVertex }, findVertex);
+    globId = findVertex.id;
+  });
+  it('update Vertex', async t => {
+    const isUpdate = await graph.updateVertex<typeof myVertex>(model =>
+      model.id == globId ? { name: 'Dupo', id: '121212', sdsds: 'sdsd' } : null,
+    );
+    assert.equal(isUpdate, true);
+  });
+
+  it('check updated vertex name', async t => {
+    const findVertex = await graph.findOne<typeof myVertex>(
+      vertex => vertex.id == globId,
+    );
+    assert.deepStrictEqual(findVertex.name, 'Dupo');
+  });
 });