travel/admin/node_modules/npm-path/test/index.js

239 lines
7.2 KiB
JavaScript

'use strict'
const test = require('tape')
const path = require('path')
const fs = require('fs')
const os = require('os')
const which = require('which')
const npmPath = require('../')
const SEP = npmPath.SEPARATOR
const PATH = npmPath.PATH
const level0 = path.join(__dirname, 'fixture', 'level0')
const level1 = path.join(level0, 'node_modules', 'level1')
const level2 = path.join(level1, 'node_modules', 'level2')
const level = [level0, level1, level2]
const binPath = level.map(function (levelPath) {
return path.join(levelPath, 'node_modules', '.bin')
})
test('exports separator', function (t) {
t.ok(npmPath.SEPARATOR)
t.end()
})
test('exports $PATH key', function (t) {
t.ok(npmPath.PATH)
t.end()
})
test('includes current node executable dir', function (t) {
const level0Path = npmPath.getSync({cwd: level0})
t.notEqual(level0Path.indexOf(path.dirname(process.execPath) + SEP), -1)
t.end()
})
test('async version works', function (t) {
let isAsync = false
npmPath.get({cwd: level0}, function (err, level0Path) {
t.ifError(err)
t.ok(isAsync)
t.notEqual(level0Path.indexOf(path.dirname(process.execPath) + SEP), -1)
t.end()
})
isAsync = true // can only be set if above callback not synchronous
})
test('no fn == sync', function (t) {
const level0Path = npmPath.get({cwd: level0})
t.notEqual(level0Path.indexOf(path.dirname(process.execPath) + SEP), -1)
t.end()
})
test('sync options is optional', function (t) {
const newPath = npmPath.get()
t.notEqual(newPath.indexOf(path.dirname(process.execPath) + SEP), -1)
t.end()
})
test('async options is optional', function (t) {
let isAsync = false
npmPath.get(function (err, newPath) {
t.ifError(err)
t.notEqual(newPath.indexOf(path.dirname(process.execPath) + SEP), -1)
t.ok(isAsync)
t.end()
})
isAsync = true // can only be set if above callback not synchronous
})
test('includes bin from sibling dirs', { skip: true }, function (t) {
t.test('from existing sibling directory', function (t) {
const level1Path = npmPath.getSync({cwd: path.join(level[0], 'test')})
t.notEqual(level1Path.indexOf(binPath[0] + SEP), -1, 'should include level 0 .bin')
t.equal(level1Path.indexOf(binPath[2] + SEP), -1, 'should not include child paths')
t.end()
})
t.test('from existing sibling directory async', function (t) {
npmPath({cwd: path.join(level[0], 'test')}, function (err, level1Path) {
t.ifError(err)
t.notEqual(level1Path.indexOf(binPath[0] + SEP), -1, 'should include level 0 .bin')
t.equal(level1Path.indexOf(binPath[2] + SEP), -1, 'should not include child paths')
t.end()
})
})
})
test('includes all .bin dirs in all parent node_modules folders', function (t) {
t.test('no nesting', function (t) {
const level0Path = npmPath.getSync({cwd: level[0]})
t.notEqual(level0Path.indexOf(binPath[0] + SEP), -1, 'should include level 0 .bin')
t.equal(level0Path.indexOf(binPath[1] + SEP), -1, 'should not include child paths')
t.equal(level0Path.indexOf(binPath[2] + SEP), -1, 'should not include child paths')
t.end()
})
t.test('1 level of nesting', function (t) {
const level1Path = npmPath.getSync({cwd: level[1]})
t.notEqual(level1Path.indexOf(binPath[0] + SEP), -1, 'should include level 0 .bin')
t.notEqual(level1Path.indexOf(binPath[1] + SEP), -1, 'should include level 1 .bin')
t.equal(level1Path.indexOf(binPath[2] + SEP), -1, 'should not include child paths')
t.end()
})
t.test('2 levels of nesting', function (t) {
const level1Path = npmPath.getSync({cwd: level[2]})
t.notEqual(level1Path.indexOf(binPath[0] + SEP), -1, 'should include level 0 .bin')
t.notEqual(level1Path.indexOf(binPath[1] + SEP), -1, 'should include level 1 .bin')
t.notEqual(level1Path.indexOf(binPath[2] + SEP), -1, 'should include level 2 .bin')
t.end()
})
t.end()
})
test('handles directories with node_modules in the name', function (t) {
const trickyL0 = level[0].replace('level0', 'level0_node_modules')
const trickyL1 = level[1].replace('level0', 'level0_node_modules')
const trickyL2 = level[2].replace('level0', 'level0_node_modules')
t.test('no nesting', function (t) {
const level0Path = npmPath.getSync({cwd: trickyL0})
t.notEqual(level0Path.indexOf(path.join(trickyL0, 'node_modules', '.bin') + SEP), -1, 'should include level 0 .bin')
t.end()
})
t.test('1 level of nesting', function (t) {
const level1Path = npmPath.getSync({cwd: trickyL1})
t.notEqual(level1Path.indexOf(path.join(trickyL0, 'node_modules', '.bin') + SEP), -1, 'should include level 0 .bin')
t.notEqual(level1Path.indexOf(path.join(trickyL1, 'node_modules', '.bin') + SEP), -1, 'should include level 1 .bin')
t.end()
})
t.test('2 levels of nesting', function (t) {
const level2Path = npmPath.getSync({cwd: trickyL2})
t.notEqual(level2Path.indexOf(path.join(trickyL0, 'node_modules', '.bin') + SEP), -1, 'should include level 0 .bin')
t.notEqual(level2Path.indexOf(path.join(trickyL1, 'node_modules', '.bin') + SEP), -1, 'should include level 1 .bin')
t.notEqual(level2Path.indexOf(path.join(trickyL2, 'node_modules', '.bin') + SEP), -1, 'should include level 1 .bin')
t.end()
})
t.end()
})
test('can set path', function (t) {
const oldPath = process.env[PATH]
npmPath.set.sync()
const newPath = process.env[PATH]
t.notDeepEqual(oldPath, newPath)
process.env[PATH] = oldPath
t.end()
})
test('includes node-gyp bundled with current npm', { skip: true }, function (t) {
const oldPath = process.env[PATH]
npmPath()
const newGypPath = which.sync('node-gyp')
t.ok(newGypPath)
t.ok(fs.existsSync(newGypPath))
t.notEqual(newGypPath.indexOf(path.join('npm', 'bin', 'node-gyp-bin') + SEP), -1)
process.env[PATH] = oldPath
t.end()
})
test('remove duplicated entries', function (t) {
const pathWithDuplicates = '/bin:/sbin:/bin'
const newPath = npmPath({env: {PATH: pathWithDuplicates}}).split(':')
// Set size is equal to array length if there are no duplicates
t.equal(newPath.length, (new Set(newPath)).size)
t.end()
})
test('can set path to npm root to use for node-gyp lookup', { skip: true }, function (t) {
const oldPath = process.env[PATH]
const pathToNpm = path.resolve(
fs.realpathSync(which.sync('npm')),
'..',
'..'
)
const tmpFile = path.join(os.tmpdir(), 'npm-path-custom-npm')
try {
fs.unlinkSync(tmpFile)
} catch (err) {
err // ignore
}
fs.linkSync(pathToNpm, tmpFile)
const newPath = npmPath.get({
npm: tmpFile
})
t.notEqual(newPath.indexOf(path.join(tmpFile, 'bin', 'node-gyp-bin') + SEP), -1)
process.env[PATH] = oldPath
fs.unlinkSync(tmpFile)
t.end()
})
test('error if passing bad path to npm root', { skip: true }, function (t) {
const oldPath = process.env[PATH]
const tmpFile = path.join(os.tmpdir(), 'npm-path-custom-npm')
try {
fs.unlinkSync(tmpFile)
} catch (err) {
err // ignore
}
t.throws(() => {
npmPath.get({
npm: tmpFile
})
})
process.env[PATH] = oldPath
t.end()
})
test('no error if no npm on existing path', function (t) {
const oldPath = process.env[PATH]
process.env[PATH] = ''
const newPath = npmPath.get()
t.equal(newPath.indexOf(path.join('bin', 'node-gyp-bin') + SEP), -1)
process.env[PATH] = oldPath
t.end()
})