var fs = require('fs') var join = require('path').join var mkdirp = require('mkdirp') var rimraf = require('rimraf') var test = require('tap').test var common = require('../common-tap.js') var pkg = join(__dirname, 'dedupe-scoped') var modules = join(pkg, 'node_modules') var EXEC_OPTS = { cwd: pkg } var body = function () {/* @scope/shared@2.1.6 node_modules/first/node_modules/@scope/shared -> node_modules/@scope/shared firstUnique@0.6.0 node_modules/first/node_modules/firstUnique -> node_modules/firstUnique secondUnique@1.2.0 node_modules/second/node_modules/secondUnique -> node_modules/secondUnique - @scope/shared@2.1.6 node_modules/second/node_modules/@scope/shared */}.toString().split('\n').slice(1, -1) var deduper = { 'name': 'dedupe', 'version': '0.0.0', 'dependencies': { 'first': '1.0.0', 'second': '2.0.0' } } var first = { 'name': 'first', 'version': '1.0.0', 'dependencies': { 'firstUnique': '0.6.0', '@scope/shared': '2.1.6' } } var second = { 'name': 'second', 'version': '2.0.0', 'dependencies': { 'secondUnique': '1.2.0', '@scope/shared': '2.1.6' } } var shared = { 'name': '@scope/shared', 'version': '2.1.6' } var firstUnique = { 'name': 'firstUnique', 'version': '0.6.0' } var secondUnique = { 'name': 'secondUnique', 'version': '1.2.0' } test('setup', function (t) { setup() t.end() }) // we like the cars function ltrimm (l) { return l.trim() } test('dedupe finds the common scoped modules and moves it up one level', function (t) { common.npm( [ 'find-dupes' // I actually found a use for this command! ], EXEC_OPTS, function (err, code, stdout, stderr) { t.ifError(err, 'successful dry run against fake install') t.notOk(code, 'npm ran without issue') t.notOk(stderr, 'npm printed no errors') t.same( stdout.trim().split('\n').map(ltrimm), body.map(ltrimm), 'got expected output' ) t.end() } ) }) test('cleanup', function (t) { cleanup() t.end() }) function setup (cb) { cleanup() mkdirp.sync(pkg) fs.writeFileSync( join(pkg, 'package.json'), JSON.stringify(deduper, null, 2) ) mkdirp.sync(join(modules, 'first')) fs.writeFileSync( join(modules, 'first', 'package.json'), JSON.stringify(first, null, 2) ) mkdirp.sync(join(modules, 'first', 'node_modules', 'firstUnique')) fs.writeFileSync( join(modules, 'first', 'node_modules', 'firstUnique', 'package.json'), JSON.stringify(firstUnique, null, 2) ) mkdirp.sync(join(modules, 'first', 'node_modules', '@scope', 'shared')) fs.writeFileSync( join(modules, 'first', 'node_modules', '@scope', 'shared', 'package.json'), JSON.stringify(shared, null, 2) ) mkdirp.sync(join(modules, 'second')) fs.writeFileSync( join(modules, 'second', 'package.json'), JSON.stringify(second, null, 2) ) mkdirp.sync(join(modules, 'second', 'node_modules', 'secondUnique')) fs.writeFileSync( join(modules, 'second', 'node_modules', 'secondUnique', 'package.json'), JSON.stringify(secondUnique, null, 2) ) mkdirp.sync(join(modules, 'second', 'node_modules', '@scope', 'shared')) fs.writeFileSync( join(modules, 'second', 'node_modules', '@scope', 'shared', 'package.json'), JSON.stringify(shared, null, 2) ) } function cleanup () { rimraf.sync(pkg) }