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63 lines
2.0 KiB
63 lines
2.0 KiB
import * as cp from 'child_process' |
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import { mkdir, writeFile } from 'fs/promises' |
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import { join, isAbsolute } from 'path' |
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import { tmpdir } from 'os' |
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import { promisify } from 'util' |
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const exec = promisify(cp.exec) |
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export const tests = [] |
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export const setup = async ({ path }) => { |
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const randomFilesNumber = between(30, 6) |
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const dir = `${tmpdir()}/tell-me-how-many` |
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await mkdir(dir) |
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const run = async (cmd) => { |
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const cmdPath = isAbsolute(cmd || '') ? cmd : join(dir, cmd || '') |
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const { stdout } = await exec(`node ${path} ${cmdPath}`) |
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return { stdout: stdout.trim() } |
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} |
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const createXFilesIn = async ({ numberOfFiles, folderPath }) => { |
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for (let i = 0; i < numberOfFiles; i++) { |
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await writeFile(`${folderPath}/${i}.txt`, '', 'utf8') |
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} |
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} |
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await createXFilesIn({ numberOfFiles: randomFilesNumber, folderPath: dir }) |
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return { randomFilesNumber, tmpPath: dir, run, createXFilesIn } |
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} |
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tests.push(async ({ path, eq, ctx, between }) => { |
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const numberOfFiles = between(5, 13) |
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const folderName = `tell-me-how-many-${numberOfFiles}` |
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const folderPath = join(ctx.tmpPath, `../${folderName}`) |
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await mkdir(folderPath) |
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await ctx.createXFilesIn({ folderPath, numberOfFiles }) |
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const { stdout } = await ctx.run(`../${folderName}`) |
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return eq(Number(stdout), numberOfFiles) |
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}) |
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tests.push(async ({ path, eq, ctx }) => { |
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// will execute the script in a folder named `tell-me-how-many` |
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// '../tell-me-how-many' in the argument passed |
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// `tell-me-how-many` folder has a random file number |
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const { stdout } = await ctx.run('../tell-me-how-many') |
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return eq(Number(stdout), ctx.randomFilesNumber) |
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}) |
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tests.push(async ({ path, eq, ctx }) => { |
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// will execute the script without argument |
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const { stdout } = await ctx.run() |
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return eq(Number(stdout), ctx.randomFilesNumber) |
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}) |
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tests.push(async ({ path, eq, ctx }) => { |
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// will execute the script with `tell-me-how-many` folder's absolute path as argument |
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const { stdout } = await ctx.run(ctx.tmpPath) |
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return eq(Number(stdout), ctx.randomFilesNumber) |
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}) |
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Object.freeze(tests)
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