| 1 | // view.mjs over documents no op can produce — the twin of the tests in |
| 2 | // core/src/view.rs. The server reads the view through typed structs, so |
| 3 | // a malformed leaf passed through untyped fails the parse of the whole |
| 4 | // deck; each fixed-shape leaf is rebuilt from the fields that have the |
| 5 | // right type and omitted otherwise. Both sides must agree, because the |
| 6 | // vectors compare them. |
| 7 | import test from 'node:test' |
| 8 | import assert from 'node:assert/strict' |
| 9 | import * as Y from 'yjs' |
| 10 | import { view } from './view.mjs' |
| 11 | import { poisonDoc, poisonUpdates, shapes } from './poison.mjs' |
| 12 | |
| 13 | test('malformed fonts are null', () => { |
| 14 | assert.equal(view(poisonDoc('fonts')).meta.fonts, null) |
| 15 | }) |
| 16 | |
| 17 | test('a malformed background is the theme default', () => { |
| 18 | assert.deepEqual(view(poisonDoc('background')).slides[0].background, { kind: 'theme', value: '' }) |
| 19 | }) |
| 20 | |
| 21 | test('a malformed box is null', () => { |
| 22 | assert.equal(view(poisonDoc('box')).slides[0].blocks[0].box, null) |
| 23 | }) |
| 24 | |
| 25 | test('the phone layer keeps only its typed fields, order as a whole number', () => { |
| 26 | const doc = new Y.Doc({ guid: 'phone' }) |
| 27 | doc.clientID = 1 |
| 28 | const slide = new Y.Map() |
| 29 | doc.getArray('slides').push([slide]) |
| 30 | const blocks = new Y.Array() |
| 31 | slide.set('blocks', blocks) |
| 32 | const block = new Y.Map() |
| 33 | blocks.push([block]) |
| 34 | const phone = new Y.Map() |
| 35 | block.set('phone', phone) |
| 36 | phone.set('hidden', 'yes') |
| 37 | phone.set('order', 2.7) |
| 38 | phone.set('size', 7) |
| 39 | phone.set('box', { x: 0, y: 0, w: 1, h: 0.5 }) |
| 40 | assert.deepEqual(view(doc).slides[0].blocks[0].phone, { order: 2, box: { x: 0, y: 0, w: 1, h: 0.5 } }) |
| 41 | }) |
| 42 | |
| 43 | test('assets are typed or skipped', () => { |
| 44 | assert.deepEqual(view(poisonDoc('assets')).assets, { |
| 45 | poisonbadnm: { ref: 'poisonref', name: '', width: 0, height: 9, alt: '' } |
| 46 | }) |
| 47 | }) |
| 48 | |
| 49 | test('every poison update is deterministic bytes that apply to any deck', () => { |
| 50 | const first = poisonUpdates() |
| 51 | const second = poisonUpdates() |
| 52 | for (const name of Object.keys(shapes)) { |
| 53 | assert.deepEqual(Buffer.from(first[name]), Buffer.from(second[name]), name) |
| 54 | const doc = new Y.Doc({ guid: 'anydeck' }) |
| 55 | Y.applyUpdate(doc, first[name]) |
| 56 | view(doc) // must not throw |
| 57 | } |
| 58 | }) |
| 59 | |