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feat: introduce custom node:test reporter
* Compact, clean * Do not repeat errors twice * Display file names * Do not print .matcherResult for expect * Colors under --colors or FORCE_COLOR even when not a tty * Road to GH support in the future * Coherence with :pure engines
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,114 @@ | ||
| import assert from 'node:assert/strict' | ||
| import { inspect } from 'node:util' | ||
| import { relative } from 'node:path' | ||
| import { spec as SpecReporter } from 'node:test/reporters' | ||
|
|
||
| const haveColors = process.stdout.hasColors?.() || process.env.FORCE_COLOR === '1' // 0 is already handled by hasColors() | ||
| const colors = new Map(Object.entries(inspect.colors)) | ||
|
|
||
| export const color = (text, color) => { | ||
| if (!haveColors || text === '') return text | ||
| if (!colors.has(color)) throw new Error(`Unknown color: ${color}`) | ||
| const [start, end] = colors.get(color) | ||
| return `\x1B[${start}m${text}\x1B[${end}m` | ||
| } | ||
|
|
||
| // Used for pure engine output formatting | ||
| export const format = (chunk) => { | ||
| if (!haveColors) return chunk | ||
| return chunk | ||
| .replaceAll(/^✔ PASS /gmu, color('✔ PASS ', 'green')) | ||
| .replaceAll(/^⏭ SKIP /gmu, color('⏭ SKIP ', 'dim')) | ||
| .replaceAll(/^✖ FAIL /gmu, color('✖ FAIL ', 'red')) | ||
| .replaceAll(/^⚠ WARN /gmu, color('⚠ WARN ', 'blue')) | ||
| .replaceAll(/^‼ FATAL /gmu, `${color('‼', 'red')} ${color(' FATAL ', 'bgRed')} `) | ||
| } | ||
|
|
||
| export const printSummary = (files, failures) => { | ||
| if (failures.length > 0) { | ||
| const [total, passed, failed] = [files.length, files.length - failures.length, failures.length] | ||
| const failLine = color(`${failed} / ${total}`, 'red') | ||
| const passLine = color(`${passed} / ${total}`, 'green') | ||
| const suffix = passed > 0 ? color(` (passed: ${passLine})`, 'dim') : '' | ||
| console.log(`${color('Test suites failed:', 'bold')} ${failLine}${suffix}`) | ||
| console.log(color('Failed test suites:', 'red')) | ||
| for (const file of failures) console.log(` ${file}`) // joining with \n can get truncated, too big | ||
| } else { | ||
| console.log(color(`All ${files.length} test suites passed`, 'green')) | ||
| } | ||
| } | ||
|
|
||
| export const timeLabel = color('Total time', 'dim') | ||
| export const header = (file) => color(`# ${file}`, 'bold') | ||
|
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||
| export default async function nodeTestReporterExodus(source) { | ||
| const spec = new SpecReporter() | ||
| spec.on('data', (data) => { | ||
| console.log(data.toString('utf8')) | ||
| }) | ||
|
|
||
| const files = new Set() | ||
| const failedFiles = new Set() | ||
| const cwd = process.cwd() | ||
| const path = [] | ||
| let lastFile | ||
| const formatTime = ({ duration_ms: ms }) => color(` (${ms}ms)`, 'dim') | ||
| const formatSuffix = (data) => `${formatTime(data.details)}${data.todo ? ' # TODO' : ''}` | ||
| const printHead = (data) => { | ||
| const file = relative(cwd, data.file) // some events have data.file resolved, some not | ||
| if (file === lastFile) return | ||
| lastFile = file | ||
| files.add(file) | ||
| console.log(header(file)) | ||
| } | ||
|
|
||
| for await (const { type, data } of source) { | ||
| // Ignored: test:complete (no support on older Node.js), test:plan, test:dequeue, test:enqueue | ||
| switch (type) { | ||
| case 'test:start': | ||
| printHead(data) | ||
| path.push(data.name) | ||
| break | ||
| case 'test:pass': | ||
| if (data.skip) { | ||
| console.log(`${color('⏭ SKIP ', 'dim')}${path.join(' > ')}${formatSuffix(data)}`) | ||
| } else { | ||
| console.log(`${color('✔ PASS ', 'green')}${path.join(' > ')}${formatSuffix(data)}`) | ||
| } | ||
|
|
||
| assert(path.pop() === data.name) | ||
| break | ||
| case 'test:fail': | ||
| console.log(`${color('✖ FAIL ', 'red')}${path.join(' > ')}${formatSuffix(data)}`) | ||
| assert(path.pop() === data.name) | ||
| if (data.details.error) { | ||
| if (data.details.error.cause) delete data.details.error.cause.matcherResult | ||
| const err = inspect(data.details.error.cause || data.details.error, { | ||
| colors: haveColors, | ||
| }) | ||
| console.log(err.replace(/^/gmu, ' ')) | ||
| console.log('') | ||
| } | ||
|
|
||
| if (!data.todo) failedFiles.add(relative(cwd, data.file)) | ||
| break | ||
| case 'test:watch:drained': | ||
| console.log(color(`ℹ waiting for changes as we are in ---watch mode`, 'blue')) | ||
| break | ||
| case 'test:diagnostic': | ||
| if (/^suites \d+$/.test(data.message)) break // we count suites = files | ||
| console.log(color(`ℹ ${data.message}`, 'blue')) | ||
| break | ||
| case 'test:stderr': | ||
| case 'test:stdout': | ||
| printHead(data) | ||
| console.log(data.message.replace(/\n$/, '')) | ||
| break | ||
| case 'test:coverage': | ||
| spec.write({ type, data }) // let spec reporter handle that | ||
| break | ||
| } | ||
| } | ||
|
|
||
| printSummary([...files], [...failedFiles]) | ||
| } |
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