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[do not merge] Add test to illustrate data loss #87

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[do not merge] Add test to illustrate data loss #87

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cccc493
Add test to illustrate data loss
HDegroote Mar 10, 2026
9e41d3a
lint
HDegroote Mar 10, 2026
70052e5
Fix loop variable + await each insert
HDegroote Mar 12, 2026
f38863f
Fix setup + use transaction
HDegroote Mar 12, 2026
e08f0b5
Simplify failing test
HDegroote Mar 12, 2026
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19 changes: 19 additions & 0 deletions test/basic.js
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Original file line number Diff line number Diff line change
@@ -1,3 +1,4 @@
const ScopeLock = require('scope-lock')
const definition = require('./fixtures/definition')
const { test } = require('./helpers')
const tmp = require('test-tmp')
Expand Down Expand Up @@ -607,3 +608,21 @@ test('enum as key type', async function ({ create, bee }, t) {

await db.close()
})

test.solo('concurrency does not cause missed data', async function ({ create }, t) {
const db = await create(definition)

const tx = db.transaction()
await tx.insert('members', { id: '1', age: 25 })

const prom = tx.insert('members', { id: '2', age: 25 })
await Promise.all([tx.flush(), prom])

let nrEntries = 0
for await (const _ of db.find('members')) nrEntries++
console.log('final entries:', nrEntries)

t.is(nrEntries, 2, 'unfinished insert is not lost')

await db.close()
})
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