openpencil/tests/engine/undo-redo-sequence.test.ts
2026-05-03 21:03:40 +03:00

148 lines
4.7 KiB
TypeScript

import { describe, test, expect } from 'bun:test'
import { createHistoryFrame, setupEditorPage } from '../helpers/editor-history'
describe('undo/redo multi-step sequences', () => {
test('create → move → duplicate → move copy → undo all → redo all', () => {
const { editor, pageId } = setupEditorPage()
const frame = createHistoryFrame(editor, pageId, { x: 100, y: 100 })
editor.select([frame.id])
const createSnapshot = structuredClone(editor.graph.getNode(frame.id)!)
editor.pushUndoEntry({
label: 'Create',
forward: () => {
const { parentId: _p, childIds: _c, ...rest } = createSnapshot
editor.graph.createNode('FRAME', pageId, rest)
},
inverse: () => editor.graph.deleteNode(frame.id)
})
editor.graph.updateNode(frame.id, { x: 300, y: 50 })
editor.commitMove(new Map([[frame.id, { x: 100, y: 100 }]]))
expect(editor.graph.getNode(frame.id)!.x).toBe(300)
expect(editor.graph.getNode(frame.id)!.y).toBe(50)
editor.duplicateSelected()
const dupIds = [...editor.state.selectedIds]
expect(dupIds).toHaveLength(1)
const dupId = dupIds[0]
expect(dupId).not.toBe(frame.id)
editor.graph.updateNode(dupId, { x: 500, y: 200 })
editor.commitMove(new Map([[dupId, { x: 320, y: 70 }]]))
// Undo move copy
editor.undo.undo()
expect(editor.graph.getNode(dupId)!.x).toBe(320)
// Undo duplicate
editor.undo.undo()
expect(editor.graph.getNode(dupId)).toBeUndefined()
// Undo move
editor.undo.undo()
expect(editor.graph.getNode(frame.id)!.x).toBe(100)
// Undo create
editor.undo.undo()
expect(editor.graph.getNode(frame.id)).toBeUndefined()
// Redo create
editor.undo.redo()
expect(editor.graph.getNode(frame.id)).not.toBeUndefined()
expect(editor.graph.getNode(frame.id)!.x).toBe(100)
// Redo move
editor.undo.redo()
expect(editor.graph.getNode(frame.id)!.x).toBe(300)
// Redo duplicate — must recreate with SAME ID
editor.undo.redo()
expect(editor.graph.getNode(dupId)).not.toBeUndefined()
// Redo move copy — must find the node by same ID
editor.undo.redo()
expect(editor.graph.getNode(dupId)!.x).toBe(500)
expect(editor.graph.getNode(dupId)!.y).toBe(200)
})
test('duplicate with children preserves subtree on redo', () => {
const { editor, pageId } = setupEditorPage()
const frame = createHistoryFrame(editor, pageId, { x: 50, y: 50 })
editor.graph.createNode('TEXT', frame.id, {
name: 'Title',
text: 'Hello',
x: 10,
y: 10,
width: 100,
height: 20
})
editor.select([frame.id])
editor.duplicateSelected()
const dupFrameId = [...editor.state.selectedIds][0]
const dupChildren = editor.graph.getNode(dupFrameId)!.childIds
expect(dupChildren).toHaveLength(1)
const dupTextId = dupChildren[0]
expect(editor.graph.getNode(dupTextId)!.text).toBe('Hello')
// Undo
editor.undo.undo()
expect(editor.graph.getNode(dupFrameId)).toBeUndefined()
expect(editor.graph.getNode(dupTextId)).toBeUndefined()
// Redo — must recreate with same IDs
editor.undo.redo()
expect(editor.graph.getNode(dupFrameId)).not.toBeUndefined()
expect(editor.graph.getNode(dupTextId)).not.toBeUndefined()
expect(editor.graph.getNode(dupFrameId)!.childIds).toContain(dupTextId)
expect(editor.graph.getNode(dupTextId)!.text).toBe('Hello')
})
test('page snapshot restore preserves node IDs', () => {
const { editor, pageId } = setupEditorPage()
const frame = createHistoryFrame(editor, pageId)
const child = editor.graph.createNode('RECTANGLE', frame.id, {
name: 'Bg',
width: 200,
height: 150
})
const snapshot = editor.snapshotPage()
editor.graph.deleteNode(frame.id)
editor.restorePageFromSnapshot(snapshot)
expect(editor.graph.getNode(frame.id)).not.toBeUndefined()
expect(editor.graph.getNode(child.id)).not.toBeUndefined()
expect(editor.graph.getNode(frame.id)!.childIds).toEqual([child.id])
})
test('delete frame with children → undo restores subtree', () => {
const { editor, pageId } = setupEditorPage()
const frame = createHistoryFrame(editor, pageId)
const child = editor.graph.createNode('RECTANGLE', frame.id, {
name: 'Bg',
x: 0,
y: 0,
width: 200,
height: 150
})
editor.select([frame.id])
editor.deleteSelected()
expect(editor.graph.getNode(frame.id)).toBeUndefined()
expect(editor.graph.getNode(child.id)).toBeUndefined()
editor.undo.undo()
expect(editor.graph.getNode(frame.id)).not.toBeUndefined()
expect(editor.graph.getNode(child.id)).not.toBeUndefined()
expect(editor.graph.getNode(frame.id)!.childIds).toContain(child.id)
})
})