Split jest tests into fast and slow groups (#1401)

tests-ui/tests/fast/litegraph.test.ts

@@ -0,0 +1,39 @@
+import { LiteGraph } from '@comfyorg/litegraph'
+import { LGraph } from '@comfyorg/litegraph'
+import { LGraphNode } from '@comfyorg/litegraph'
+
+function swapNodes(nodes: LGraphNode[]) {
+  const firstNode = nodes[0]
+  const lastNode = nodes[nodes.length - 1]
+  nodes[0] = lastNode
+  nodes[nodes.length - 1] = firstNode
+  return nodes
+}
+
+function createGraph(...nodes: LGraphNode[]) {
+  const graph = new LGraph()
+  nodes.forEach((node) => graph.add(node))
+  return graph
+}
+
+class DummyNode extends LGraphNode {
+  constructor() {
+    super('dummy')
+  }
+}
+
+describe('LGraph', () => {
+  it('should serialize deterministic node order', async () => {
+    LiteGraph.registerNodeType('dummy', DummyNode)
+    const node1 = new DummyNode()
+    const node2 = new DummyNode()
+    const graph = createGraph(node1, node2)
+
+    const result1 = graph.serialize({ sortNodes: true })
+    expect(result1.nodes).not.toHaveLength(0)
+    graph._nodes = swapNodes(graph.nodes)
+    const result2 = graph.serialize({ sortNodes: true })
+
+    expect(result1).toEqual(result2)
+  })
+})