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'use strict'
var path = require('path')
var fs = require('fs')
var test = require('tap').test
var osenv = require('osenv')
var mkdirp = require('mkdirp')
var rimraf = require('rimraf')
var common = require('../common-tap.js')
var base = common.pkg
var installFrom = path.join(base, 'from')
var installIn = path.join(base, 'in')
var json = {
name: 'check-engine-reqs',
version: '0.0.1',
description: 'fixture',
engines: {
node: '1.0.0-not-a-real-version'
}
}
test('setup', function (t) {
setup()
t.end()
})
var INSTALL_OPTS = ['--loglevel', 'silly']
var EXEC_OPTS = {cwd: installIn}
test('install bad engine', function (t) {
common.npm(['install', '--engine-strict', installFrom].concat(INSTALL_OPTS), EXEC_OPTS, function (err, code) {
t.ifError(err, 'npm ran without issue')
t.is(code, 1, 'npm install refused to install a package in itself')
t.end()
})
})
test('force install bad engine', function (t) {
common.npm(['install', '--engine-strict', '--force', installFrom].concat(INSTALL_OPTS), EXEC_OPTS, function (err, code) {
t.ifError(err, 'npm ran without issue')
t.is(code, 0, 'npm install happily installed a package in itself with --force')
t.end()
})
})
test('warns on bad engine not strict', function (t) {
common.npm(['install', '--json', installFrom], EXEC_OPTS, function (err, code, stdout, stderr) {
t.ifError(err, 'npm ran without issue')
t.is(code, 0, 'result code')
var result = JSON.parse(stdout)
t.match(result.warnings[0], /Unsupported engine/, 'reason for optional failure in JSON')
t.match(result.warnings[0], /1.0.0-not-a-real-version/, 'should print mismatch version info')
t.match(result.warnings[0], /Not compatible with your version of node/, 'incompatibility message')
t.done()
})
})
test('cleanup', function (t) {
cleanup()
t.end()
})
function cleanup () {
process.chdir(osenv.tmpdir())
rimraf.sync(base)
}
function setup () {
cleanup()
mkdirp.sync(path.resolve(installFrom, 'node_modules'))
fs.writeFileSync(
path.join(installFrom, 'package.json'),
JSON.stringify(json, null, 2)
)
mkdirp.sync(path.resolve(installIn, 'node_modules'))
process.chdir(base)
}
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