mirror of https://codeberg.org/pzp/pzp-db.git
89 lines
2.2 KiB
JavaScript
89 lines
2.2 KiB
JavaScript
const test = require('tape')
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const ssbKeys = require('ssb-keys')
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const path = require('path')
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const os = require('os')
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const rimraf = require('rimraf')
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const SecretStack = require('secret-stack')
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const AAOL = require('async-append-only-log')
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const push = require('push-stream')
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const caps = require('ssb-caps')
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const p = require('util').promisify
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const DIR = path.join(os.tmpdir(), 'ssb-memdb-del')
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rimraf.sync(DIR)
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test('del', async (t) => {
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const ssb = SecretStack({ appKey: caps.shs })
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.use(require('../'))
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.use(require('ssb-classic'))
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.call(null, {
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keys: ssbKeys.generate('ed25519', 'alice'),
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path: DIR,
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})
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await ssb.db.loaded()
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const msgIDs = []
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for (let i = 0; i < 5; i++) {
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const msg = await p(ssb.db.create)({
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feedFormat: 'classic',
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content: { type: 'post', text: 'm' + i },
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})
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msgIDs.push(msg.key)
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}
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const before = ssb.db
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.filterAsArray(() => true)
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.map((msg) => msg.value.content.text)
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t.deepEqual(before, ['m0', 'm1', 'm2', 'm3', 'm4'], 'msgs before the delete')
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await p(ssb.db.del)(msgIDs[2])
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const after = ssb.db
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.filterAsArray(() => true)
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.map((msg) => msg?.value.content.text ?? null)
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t.deepEqual(after, ['m0', 'm1', null, 'm3', 'm4'], 'msgs after the delete')
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await p(ssb.close)(true)
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const log = AAOL(path.join(DIR, 'memdb-log.bin'), {
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cacheSize: 1,
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blockSize: 64 * 1024,
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codec: {
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encode(msg) {
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return Buffer.from(JSON.stringify(msg), 'utf8')
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},
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decode(buf) {
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return JSON.parse(buf.toString('utf8'))
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},
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},
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})
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const persistedMsgs = await new Promise((resolve, reject) => {
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let persistedMsgs = []
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log.stream({ offsets: true, values: true, sizes: true }).pipe(
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push.drain(
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function drainEach({ offset, value, size }) {
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if (!value) {
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persistedMsgs.push(null)
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} else {
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persistedMsgs.push(value)
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}
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},
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function drainEnd(err) {
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if (err) return reject(err)
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resolve(persistedMsgs)
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}
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)
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)
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})
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t.deepEqual(
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persistedMsgs.map((msg) => msg?.value.content.text ?? null),
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['m0', 'm1', null, 'm3', 'm4'],
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'msgs in disk after the delete'
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)
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})
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