mirror of
https://github.com/Permissionless-Software-Foundation/psf-memo.git
synced 2026-09-21 16:52:01 -07:00
Chris Troutner
50e287ed0f
- Add MemoTopicPost service and TopicPostPage controller for topic messages. - Add MemoTopicFollow service for topic follow/unfollow broadcasts. - Extend TopicFeedPage with follow state and follower list. - Update TopicFeed view with composer and Follow/Unfollow button. - Extend MemoDb client with topic follow state and followers endpoints. - Extend Profiles store with topic follow state. - Add DB topic follow read side: TopicQuery, use cases, REST routes. - Add unit tests for all new behavior. By coder.
125 lines
3.6 KiB
JavaScript
125 lines
3.6 KiB
JavaScript
/*
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Unit tests for the Memo topic message behavior.
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A topic message combines the topic name and message text, then broadcasts
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it with the Memo topic-message prefix (0x6d0c). The combined topic + message
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must not exceed 214 bytes.
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*/
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'use strict'
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const test = require('node:test')
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const assert = require('node:assert/strict')
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const MemoTopicPost = require('../../src/services/memo-topic-post')
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function makeWallet (address = 'bitcoincash:qqlrzp23w08434twmvr4fxw672whkjy0py26r63g3d') {
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return {
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walletInfo: { cashAddress: address },
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broadcasts: [],
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async getUtxos () {
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return []
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},
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async sendOpReturn (msg, prefix) {
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this.broadcasts.push({ msg, prefix })
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return 'aa'.repeat(32)
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}
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}
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}
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test('post broadcasts topic name and message with the topic-message prefix', async () => {
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const wallet = makeWallet()
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const memoTopicPost = new MemoTopicPost({ wallet, room: 'bitcoin' })
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await memoTopicPost.post('hello bitcoin')
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assert.equal(wallet.broadcasts.length, 1)
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assert.equal(wallet.broadcasts[0].prefix, MemoTopicPost.MEMO_TOPIC_MESSAGE_PREFIX)
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assert.equal(wallet.broadcasts[0].msg, 'bitcoinhello bitcoin')
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})
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test('post reflects the new topic post on the injected feed', async () => {
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const wallet = makeWallet()
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const added = []
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const feed = {
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addPost (post) {
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added.push(post)
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}
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}
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const memoTopicPost = new MemoTopicPost({ wallet, room: 'cash', feed })
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await memoTopicPost.post('hello cash')
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assert.equal(added.length, 1)
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assert.equal(added[0].text, 'hello cash')
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assert.equal(added[0].room, 'cash')
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assert.equal(added[0].address, wallet.walletInfo.cashAddress)
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})
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test('post rejects an empty message', async () => {
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const wallet = makeWallet()
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const memoTopicPost = new MemoTopicPost({ wallet, room: 'bitcoin' })
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await assert.rejects(
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() => memoTopicPost.post(''),
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{ code: 'topic_post_validation', message: /must not be empty/ }
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)
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assert.equal(wallet.broadcasts.length, 0)
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})
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test('post rejects a message that exceeds the combined byte limit', async () => {
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const wallet = makeWallet()
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const memoTopicPost = new MemoTopicPost({ wallet, room: 'bitcoin' })
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// "bitcoin" is 7 bytes; 214 - 7 = 207. Use 208 ASCII 'a' characters.
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const message = 'a'.repeat(208)
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await assert.rejects(
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() => memoTopicPost.post(message),
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{ code: 'topic_post_length', message: /too long/ }
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)
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assert.equal(wallet.broadcasts.length, 0)
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})
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test('post accepts a message at the combined byte limit', async () => {
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const wallet = makeWallet()
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const memoTopicPost = new MemoTopicPost({ wallet, room: 'bitcoin' })
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const message = 'a'.repeat(207)
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await memoTopicPost.post(message)
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assert.equal(wallet.broadcasts.length, 1)
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})
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test('remainingBytes accounts for the topic name', () => {
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const memoTopicPost = new MemoTopicPost({ room: 'bitcoin' })
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assert.equal(memoTopicPost.remainingBytes(''), 207)
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assert.equal(memoTopicPost.remainingBytes('hello'), 202)
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})
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test('remainingBytes counts UTF-8 bytes', () => {
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const memoTopicPost = new MemoTopicPost({ room: 'bitcoin' })
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// 'é' is 2 UTF-8 bytes.
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assert.equal(memoTopicPost.remainingBytes('é'), 205)
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})
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test('post requires a wallet', async () => {
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const memoTopicPost = new MemoTopicPost({ room: 'bitcoin' })
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await assert.rejects(
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() => memoTopicPost.post('hello'),
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/requires a wallet/
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)
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})
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test('post surfaces a broadcast failure', async () => {
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const wallet = makeWallet()
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wallet.sendOpReturn = async () => { throw new Error('broadcast failed') }
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const memoTopicPost = new MemoTopicPost({ wallet, room: 'bitcoin' })
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await assert.rejects(
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() => memoTopicPost.post('hello'),
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/broadcast failed/
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)
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})
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