/
symlink.test.js
77 lines (63 loc) · 2.22 KB
/
symlink.test.js
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'use strict'
const os = require('os')
const fs = require('../../')
const path = require('path')
const assert = require('assert')
const copySync = require('../copy-sync')
/* global afterEach, beforeEach, describe, it */
describe('copy-sync / symlink', () => {
const TEST_DIR = path.join(os.tmpdir(), 'fs-extra', 'copy-sync-symlinks')
const src = path.join(TEST_DIR, 'src')
const out = path.join(TEST_DIR, 'out')
beforeEach(done => {
fs.emptyDir(TEST_DIR, err => {
assert.ifError(err)
createFixtures(src, done)
})
})
afterEach(done => {
fs.remove(TEST_DIR, done)
})
it('copies symlinks by default', () => {
assert.doesNotThrow(() => {
copySync(src, out)
})
assert.strictEqual(fs.readlinkSync(path.join(out, 'file-symlink')), path.join(src, 'foo'))
assert.strictEqual(fs.readlinkSync(path.join(out, 'dir-symlink')), path.join(src, 'dir'))
})
it('copies file contents when dereference=true', () => {
try {
copySync(src, out, {dereference: true})
} catch (err) {
assert.ifError(err)
}
const fileSymlinkPath = path.join(out, 'file-symlink')
assert.ok(fs.lstatSync(fileSymlinkPath).isFile())
assert.strictEqual(fs.readFileSync(fileSymlinkPath, 'utf8'), 'foo contents')
const dirSymlinkPath = path.join(out, 'dir-symlink')
assert.ok(fs.lstatSync(dirSymlinkPath).isDirectory())
assert.deepStrictEqual(fs.readdirSync(dirSymlinkPath), ['bar'])
})
})
function createFixtures (srcDir, callback) {
fs.mkdir(srcDir, err => {
if (err) return callback(err)
// note: third parameter in symlinkSync is type e.g. 'file' or 'dir'
// https://nodejs.org/api/fs.html#fs_fs_symlink_srcpath_dstpath_type_callback
try {
const fooFile = path.join(srcDir, 'foo')
const fooFileLink = path.join(srcDir, 'file-symlink')
fs.writeFileSync(fooFile, 'foo contents')
fs.symlinkSync(fooFile, fooFileLink, 'file')
const dir = path.join(srcDir, 'dir')
const dirFile = path.join(dir, 'bar')
const dirLink = path.join(srcDir, 'dir-symlink')
fs.mkdirSync(dir)
fs.writeFileSync(dirFile, 'bar contents')
fs.symlinkSync(dir, dirLink, 'dir')
} catch (err) {
callback(err)
}
callback()
})
}