NuKVM/xen-orchestra
3
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

test(nbd-client): add test for unaligned export size

Browse Source
This commit is contained in:
Florent Beauchamp 2023-12-13 15:40:38 +00:00 committed by Julien Fontanet
parent df9b59f980
commit 04a7982801
1 changed files with 6 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
@vates/nbd-client/tests/nbdclient.integ.mjs
View File

@ -8,7 +8,8 @@ import { NBD_DEFAULT_PORT } from '../constants.mjs'
import assert from 'node:assert'
import MultiNbdClient from '../multi.mjs'
const FILE_SIZE = 10 * 1024 * 1024
const CHUNK_SIZE = 1024 * 1024 // non default size
const FILE_SIZE = 1024 * 1024 * 9.5 // non aligned file size
async function createTempFile(size) {
const tmpPath = await pFromCallback(cb => tmp.file(cb))
@ -109,13 +110,13 @@ CYu1Xn/FVPx1HoRgWc7E8wFhDcA/P3SJtfIQWHB9FzSaBflKGR4t8WCE2eE8+cTB
`,
},
{
nbdConcurrency: 1,
readAhead: 2,
}
)
await client.connect()
tap.equal(client.exportSize, BigInt(FILE_SIZE))
const CHUNK_SIZE = 1024 * 1024 // non default size
const indexes = []
for (let i = 0; i < FILE_SIZE / CHUNK_SIZE; i++) {
indexes.push(i)
@ -127,9 +128,9 @@ CYu1Xn/FVPx1HoRgWc7E8wFhDcA/P3SJtfIQWHB9FzSaBflKGR4t8WCE2eE8+cTB
})
let i = 0
for await (const block of nbdIterator) {
let blockOk = true
let blockOk = block.length === Math.min(CHUNK_SIZE, FILE_SIZE - CHUNK_SIZE * i)
let firstFail
for (let j = 0; j < CHUNK_SIZE; j += 4) {
for (let j = 0; j < block.length; j += 4) {
const wanted = i * CHUNK_SIZE + j
const found = block.readUInt32BE(j)
blockOk = blockOk && found === wanted
@ -137,7 +138,7 @@ CYu1Xn/FVPx1HoRgWc7E8wFhDcA/P3SJtfIQWHB9FzSaBflKGR4t8WCE2eE8+cTB
firstFail = j
}
}
tap.ok(blockOk, `check block ${i} content`)
tap.ok(blockOk, `check block ${i} content ${block.length}`)
i++
// flaky server is flaky