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run-tests.js
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run-tests.js
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"use strict";
/* ---------------------------------------------------------------------------
A tests launcher. Runs tests for all languages and all exchanges, in
parallel, with a humanized error reporting.
Usage: node run-tests [--php] [--js] [--python] [--es6] [exchange] [symbol]
--------------------------------------------------------------------------- */
const fs = require ('fs')
const log = require ('ololog')//.configure ({ indent: { pattern: ' ' }})
const ansi = require ('ansicolor').nice
/* --------------------------------------------------------------------------- */
process.on ('uncaughtException', e => { log.bright.red.error (e); process.exit (1) })
process.on ('unhandledRejection', e => { log.bright.red.error (e); process.exit (1) })
/* --------------------------------------------------------------------------- */
const [,, ...args] = process.argv
const keys = {
'--js': false, // run JavaScript tests only
'--php': false, // run PHP tests only
'--python': false, // run Python 2 tests only
'--python3': false, // run Python 3 tests only
'--es6': false, // run JS tests against ccxt.js instead of ccxt-es5.js (no need to `npm run build` before)
}
let exchanges = []
let symbol = 'all'
for (const arg of args) {
if (arg.startsWith ('--')) { keys[arg] = true }
else if (arg.includes ('/')) { symbol = arg }
else { exchanges.push (arg) }
}
/* --------------------------------------------------------------------------- */
if (!exchanges.length) {
if (!fs.existsSync ('exchanges.json')) {
log.bright.red ('\n\tNo', 'exchanges.json'.white, 'found, please run', 'npm run build'.white, 'to generate it!\n')
process.exit (1)
}
exchanges = JSON.parse (fs.readFileSync ('exchanges.json')).ids
}
/* --------------------------------------------------------------------------- */
const sleep = ms => new Promise (resolve => setTimeout (resolve, ms))
const timeout = (ms, promise) => Promise.race ([ promise, sleep (ms).then (() => { throw new Error ('timed out') }) ])
/* --------------------------------------------------------------------------- */
const exec = (bin, ...args) =>
/* A custom version of child_process.exec that captures both stdout and
stderr, not separating them into distinct buffers — so that we can show
the same output as if it were running in a terminal. */
new Promise (return_ => {
const ps = require ('child_process').spawn (bin, args)
let output = ''
let stderr = ''
let hasWarnings = false
ps.stdout.on ('data', data => { output += data.toString () })
ps.stderr.on ('data', data => { output += data.toString (); stderr += data.toString (); hasWarnings = true })
ps.on ('exit', code => {
return_ ({
failed: code !== 0,
output,
hasWarnings,
warnings: ansi.strip (stderr).match (/^\[[^\]]+\]/g) || []
})
})
})
/* ------------------------------------------------------------------------ */
let numExchangesTested = 0
/* Tests of different languages for the same exchange should be run
sequentially to prevent the interleaving nonces problem.
------------------------------------------------------------------------ */
const sequentialMap = async (input, fn) => {
const result = []
for (const item of input) { result.push (await fn (item)) }
return result
}
/* ------------------------------------------------------------------------ */
const testExchange = async (exchange) => {
const nonce = Date.now ()
/* Run tests for all/selected languages (in parallel) */
const args = [exchange, ...symbol === 'all' ? [] : symbol]
, allTests = [
{ language: 'JavaScript', key: '--js', exec: ['node', 'test.js', ...args, ...keys['--es6'] ? ['--es6'] : []] },
{ language: 'Python', key: '--python', exec: ['python', 'test.py', ...args] },
{ language: 'Python 3', key: '--python3', exec: ['python3', 'test.py', ...args] },
{ language: 'PHP', key: '--php', exec: ['php', '-f', 'test.php', ...args] }
]
, selectedTests = allTests.filter (t => keys[t.key])
, scheduledTests = selectedTests.length ? selectedTests : allTests
, completeTests = await sequentialMap (scheduledTests, async test => Object.assign (test, await exec (...test.exec)))
, failed = completeTests.find (test => test.failed)
, hasWarnings = completeTests.find (test => test.hasWarnings)
, warnings = completeTests.reduce ((total, { warnings }) => total.concat (warnings), [])
/* Print interactive log output */
numExchangesTested++
const percentsDone = ((numExchangesTested / exchanges.length) * 100).toFixed (0) + '%'
log.bright (('[' + percentsDone + ']').dim, 'Testing', exchange.cyan, (failed ? 'FAIL'.red :
(hasWarnings ? (warnings.length ? warnings.join (' ') : 'WARN').yellow
: 'OK'.green)))
/* Return collected data to main loop */
return {
exchange,
failed,
hasWarnings,
explain () {
for (const { language, failed, output, hasWarnings } of completeTests) {
if (failed || hasWarnings) {
if (failed) { log.bright ('\nFAILED'.bgBrightRed.white, exchange.red, '(' + language + '):\n') }
else { log.bright ('\nWARN'.yellow.inverse, exchange.yellow, '(' + language + '):\n') }
log.indent (1) (output)
}
}
}
}
}
/* ------------------------------------------------------------------------ */
(async function () {
log.bright.magenta.noPretty ('Testing'.white, { exchanges, symbol, keys })
const tested = await Promise.all (exchanges.map (testExchange))
, warnings = tested.filter (t => !t.failed && t.hasWarnings)
, failed = tested.filter (t => t.failed)
, succeeded = tested.filter (t => !t.failed && !t.hasWarnings)
log.newline ()
warnings.forEach (t => t.explain ())
failed.forEach (t => t.explain ())
log.newline ()
if (failed.length) { log.noPretty.bright.red ('FAIL'.bgBrightRed.white, failed .map (t => t.exchange)) }
if (warnings.length) { log.noPretty.bright.yellow ('WARN'.inverse, warnings.map (t => t.exchange)) }
log.newline ()
log.bright ('All done,', [failed.length && (failed.length + ' failed') .red,
succeeded.length && (succeeded.length + ' succeeded').green,
warnings.length && (warnings.length + ' warnings') .yellow].filter (s => s).join (', '))
if (failed.length) {
await sleep (2000)
process.exit (1)
}
}) ();
/* ------------------------------------------------------------------------ */