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