openpencil/tests/engine/nudge.test.ts
Danila Poyarkov b3053601f7 Add arrow key nudge and fix undo/redo bugs
Nudge: Arrow keys move selection by 1px, Shift+Arrow by 10px.
Consecutive nudges within 300ms are batched into a single undo
entry so Cmd+Z undoes the entire sequence at once.

Fix duplicate redo creating nodes with new IDs, breaking
subsequent undo entries that reference the original IDs. Now
snapshotSubtree/restoreSubtree preserve node IDs across redo.

Fix delete undo not restoring children — deleteSelected only
snapshotted top-level nodes, so undoing a frame delete lost all
its children. Now snapshots the full subtree.

Fix draw tool not committing resize to undo — shapes created via
draw had their final dimensions lost on redo because handleDrawUp
never recorded the resize. Now uses beginBatch/commitBatch to
combine create+resize into a single undo entry.

Clean up use-keyboard.ts — remove shouldPreventDefault and opaque
PREVENT_* sets, move tool switch and nudge to dedicated keydown
listener, add shift() helper.

Closes #182
2026-04-10 00:26:13 +03:00

123 lines
3.4 KiB
TypeScript

import { describe, test, expect } from 'bun:test'
import { createEditor } from '@open-pencil/core/editor'
describe('nudgeSelected', () => {
function setup() {
const editor = createEditor()
const pageId = editor.graph.getPages()[0].id
const rect = editor.graph.createNode('RECTANGLE', pageId, {
name: 'Rect',
x: 100,
y: 200,
width: 50,
height: 50,
})
editor.select([rect.id])
return { editor, rect }
}
test('nudge moves selected node by 1px', () => {
const { editor, rect } = setup()
editor.nudgeSelected(1, 0)
expect(editor.graph.getNode(rect.id)!.x).toBe(101)
expect(editor.graph.getNode(rect.id)!.y).toBe(200)
editor.nudgeSelected(0, -1)
expect(editor.graph.getNode(rect.id)!.x).toBe(101)
expect(editor.graph.getNode(rect.id)!.y).toBe(199)
})
test('shift nudge moves by 10px', () => {
const { editor, rect } = setup()
editor.nudgeSelected(10, 0)
expect(editor.graph.getNode(rect.id)!.x).toBe(110)
editor.nudgeSelected(0, 10)
expect(editor.graph.getNode(rect.id)!.y).toBe(210)
})
test('nudge is undoable as a single entry', () => {
const { editor, rect } = setup()
editor.nudgeSelected(1, 0)
editor.nudgeSelected(1, 0)
editor.nudgeSelected(1, 0)
editor.flushNudge()
expect(editor.graph.getNode(rect.id)!.x).toBe(103)
expect(editor.undo.canUndo).toBe(true)
editor.undo.undo()
expect(editor.graph.getNode(rect.id)!.x).toBe(100)
expect(editor.graph.getNode(rect.id)!.y).toBe(200)
editor.undo.redo()
expect(editor.graph.getNode(rect.id)!.x).toBe(103)
})
test('nudge skips locked nodes', () => {
const { editor, rect } = setup()
editor.graph.updateNode(rect.id, { locked: true })
editor.nudgeSelected(10, 10)
editor.flushNudge()
expect(editor.graph.getNode(rect.id)!.x).toBe(100)
expect(editor.graph.getNode(rect.id)!.y).toBe(200)
expect(editor.undo.canUndo).toBe(false)
})
test('nudge does nothing with no selection', () => {
const { editor } = setup()
editor.clearSelection()
editor.nudgeSelected(10, 10)
editor.flushNudge()
expect(editor.undo.canUndo).toBe(false)
})
test('nudge moves multiple selected nodes', () => {
const { editor, rect } = setup()
const pageId = editor.graph.getPages()[0].id
const rect2 = editor.graph.createNode('RECTANGLE', pageId, {
name: 'Rect2',
x: 300,
y: 400,
width: 50,
height: 50,
})
editor.select([rect.id, rect2.id])
editor.nudgeSelected(-5, 3)
editor.flushNudge()
expect(editor.graph.getNode(rect.id)!.x).toBe(95)
expect(editor.graph.getNode(rect.id)!.y).toBe(203)
expect(editor.graph.getNode(rect2.id)!.x).toBe(295)
expect(editor.graph.getNode(rect2.id)!.y).toBe(403)
})
test('separate nudge sequences create separate undo entries', () => {
const { editor, rect } = setup()
editor.nudgeSelected(5, 0)
editor.flushNudge()
editor.nudgeSelected(0, 5)
editor.flushNudge()
expect(editor.graph.getNode(rect.id)!.x).toBe(105)
expect(editor.graph.getNode(rect.id)!.y).toBe(205)
editor.undo.undo()
expect(editor.graph.getNode(rect.id)!.x).toBe(105)
expect(editor.graph.getNode(rect.id)!.y).toBe(200)
editor.undo.undo()
expect(editor.graph.getNode(rect.id)!.x).toBe(100)
expect(editor.graph.getNode(rect.id)!.y).toBe(200)
})
})