serverless/test/unit/lib/classes/utils.test.js
2024-05-29 11:51:04 -04:00

290 lines
9.1 KiB
JavaScript

'use strict'
const path = require('path')
const os = require('os')
const chai = require('chai')
const fse = require('fs-extra')
const Serverless = require('../../../../lib/serverless')
const Utils = require('../../../../lib/classes/utils')
const { expect } = require('chai')
const { getTmpFilePath, getTmpDirPath } = require('../../../utils/fs')
chai.use(require('chai-as-promised'))
describe('Utils', () => {
let utils
let serverless
beforeEach(() => {
serverless = new Serverless({ commands: [], options: {} })
utils = new Utils(serverless)
})
describe('#getTmpDirPath()', () => {
it('should create a scoped tmp directory', () => {
const dirPath = serverless.utils.getTmpDirPath()
const stats = fse.statSync(dirPath)
expect(dirPath).to.include('tmpdirs-serverless')
expect(stats.isDirectory()).to.equal(true)
})
})
describe('#dirExistsSync()', () => {
describe('When reading a directory', () => {
it('should detect if a directory exists', () => {
const dir = serverless.utils.dirExistsSync(__dirname)
expect(dir).to.equal(true)
})
it("should detect if a directory doesn't exist", () => {
const noDir = serverless.utils.dirExistsSync(
path.join(__dirname, '..', 'XYZ'),
)
expect(noDir).to.equal(false)
})
})
})
describe('#fileExistsSync()', () => {
describe('When reading a file', () => {
it('should detect if a file exists', () => {
const file = serverless.utils.fileExistsSync(__filename)
expect(file).to.equal(true)
})
it("should detect if a file doesn't exist", () => {
const noFile = serverless.utils.fileExistsSync(
path.join(__dirname, 'XYZ.json'),
)
expect(noFile).to.equal(false)
})
})
})
describe('#writeFileDir()', () => {
it('should create a directory for the path of the given file', () => {
const tmpDirPath = getTmpDirPath()
const fileDir = path.join(tmpDirPath, 'foo', 'bar')
serverless.utils.writeFileDir(path.join(fileDir, 'somefile.js'))
expect(serverless.utils.dirExistsSync(fileDir)).to.equal(true)
// it should only create the directories and not the file
expect(
serverless.utils.fileExistsSync(path.join(fileDir, 'somefile.js')),
).to.equal(false)
})
})
describe('#writeFileSync()', () => {
it('should write a .json file synchronously', () => {
const tmpFilePath = getTmpFilePath('anything.json')
serverless.utils.writeFileSync(tmpFilePath, { foo: 'bar' })
const obj = serverless.utils.readFileSync(tmpFilePath)
expect(obj.foo).to.equal('bar')
})
it('should write a .yml file synchronously', async () => {
const tmpFilePath = getTmpFilePath('anything.yml')
serverless.utils.writeFileSync(tmpFilePath, { foo: 'bar' })
return expect(
serverless.yamlParser.parse(tmpFilePath),
).to.be.fulfilled.then((obj) => {
expect(obj.foo).to.equal('bar')
})
})
it('should write a .yaml file synchronously', async () => {
const tmpFilePath = getTmpFilePath('anything.yaml')
serverless.utils.writeFileSync(tmpFilePath, { foo: 'bar' })
return expect(
serverless.yamlParser.parse(tmpFilePath),
).to.be.fulfilled.then((obj) => {
expect(obj.foo).to.equal('bar')
})
})
it('should throw error if invalid path is provided', () => {
expect(() => {
serverless.utils.writeFileSync(null)
}).to.throw(Error)
})
})
describe('#writeFile()', () => {
it('should write a file asynchronously', async () => {
const tmpFilePath = getTmpFilePath('anything.json')
// note: use return when testing promises otherwise you'll have unhandled rejection errors
return expect(
serverless.utils.writeFile(tmpFilePath, { foo: 'bar' }),
).to.be.fulfilled.then(() => {
const obj = serverless.utils.readFileSync(tmpFilePath)
expect(obj.foo).to.equal('bar')
})
})
})
describe('#appendFileSync()', () => {
it('should append a line to a text file', () => {
const tmpFilePath = getTmpFilePath('appendedfile.txt')
serverless.utils.writeFileSync(tmpFilePath, `line 1 ${os.EOL}`)
serverless.utils.appendFileSync(tmpFilePath, 'line 2')
const data = serverless.utils.readFileSync(tmpFilePath)
expect(data.indexOf('line 1')).to.be.greaterThan(-1)
})
it('should throw error if invalid path is provided', () => {
expect(() => {
serverless.utils.readFileSync(null)
}).to.throw(Error)
})
})
describe('#readFileSync()', () => {
it('should read a file synchronously', () => {
const tmpFilePath = getTmpFilePath('anything.json')
serverless.utils.writeFileSync(tmpFilePath, { foo: 'bar' })
const obj = serverless.utils.readFileSync(tmpFilePath)
expect(obj.foo).to.equal('bar')
})
it('should read a filename extension .yml', () => {
const tmpFilePath = getTmpFilePath('anything.yml')
serverless.utils.writeFileSync(tmpFilePath, { foo: 'bar' })
const obj = serverless.utils.readFileSync(tmpFilePath)
expect(obj.foo).to.equal('bar')
})
it('should read a filename extension .yaml', () => {
const tmpFilePath = getTmpFilePath('anything.yaml')
serverless.utils.writeFileSync(tmpFilePath, { foo: 'bar' })
const obj = serverless.utils.readFileSync(tmpFilePath)
expect(obj.foo).to.equal('bar')
})
it('should throw YAMLException with filename if yml file is invalid format', () => {
const tmpFilePath = getTmpFilePath('invalid.yml')
serverless.utils.writeFileSync(tmpFilePath, ': a')
expect(() => {
serverless.utils.readFileSync(tmpFilePath)
}).to.throw(/.*invalid.yml/)
})
})
describe('#readFile()', () => {
it('should read a file asynchronously', async () => {
const tmpFilePath = getTmpFilePath('anything.json')
serverless.utils.writeFileSync(tmpFilePath, { foo: 'bar' })
// note: use return when testing promises otherwise you'll have unhandled rejection errors
return expect(
serverless.utils.readFile(tmpFilePath),
).to.be.fulfilled.then((obj) => {
expect(obj.foo).to.equal('bar')
})
})
})
describe('#walkDirSync()', () => {
it('should return an array with corresponding paths to the found files', () => {
const tmpDirPath = getTmpDirPath()
const nestedDir1 = path.join(tmpDirPath, 'foo')
const nestedDir2 = path.join(tmpDirPath, 'foo', 'bar')
const nestedDir3 = path.join(tmpDirPath, 'baz')
const tmpFilePath1 = path.join(nestedDir1, 'foo.js')
const tmpFilePath2 = path.join(nestedDir2, 'bar.js')
const tmpFilePath3 = path.join(nestedDir3, 'baz.js')
serverless.utils.writeFileSync(tmpFilePath1, 'foo')
serverless.utils.writeFileSync(tmpFilePath2, 'bar')
serverless.utils.writeFileSync(tmpFilePath3, 'baz')
const filePaths = serverless.utils.walkDirSync(tmpDirPath)
expect(filePaths).to.include(tmpFilePath1)
expect(filePaths).to.include(tmpFilePath2)
expect(filePaths).to.include(tmpFilePath3)
})
})
describe('#copyDirContentsSync()', () => {
it('should recursively copy directory files', () => {
const tmpSrcDirPath = path.join(process.cwd(), 'testSrc')
const tmpDestDirPath = path.join(process.cwd(), 'testDest')
const srcFile1 = path.join(tmpSrcDirPath, 'file1.txt')
const srcFile2 = path.join(tmpSrcDirPath, 'folder', 'file2.txt')
const srcFile3 = path.join(tmpSrcDirPath, 'folder', 'folder', 'file3.txt')
const destFile1 = path.join(tmpDestDirPath, 'file1.txt')
const destFile2 = path.join(tmpDestDirPath, 'folder', 'file2.txt')
const destFile3 = path.join(
tmpDestDirPath,
'folder',
'folder',
'file3.txt',
)
serverless.utils.writeFileSync(srcFile1, 'foo')
serverless.utils.writeFileSync(srcFile2, 'foo')
serverless.utils.writeFileSync(srcFile3, 'foo')
serverless.utils.copyDirContentsSync(tmpSrcDirPath, tmpDestDirPath)
expect(serverless.utils.fileExistsSync(destFile1)).to.equal(true)
expect(serverless.utils.fileExistsSync(destFile2)).to.equal(true)
expect(serverless.utils.fileExistsSync(destFile3)).to.equal(true)
fse.removeSync(tmpSrcDirPath)
fse.removeSync(tmpDestDirPath)
})
})
describe('#generateShortId()', () => {
it('should generate a shortId', () => {
const id = serverless.utils.generateShortId()
expect(id).to.be.a('string')
})
it('should generate a shortId for the given length', () => {
const id = serverless.utils.generateShortId(6)
expect(id.length).to.be.equal(6)
})
})
describe('#isEventUsed()', () => {
it('should return true if the event is used and false otherwise', () => {
const functions = {
create: {
events: [
{
schedule: 'rate(5 minutes)',
},
],
},
}
expect(utils.isEventUsed(functions, 'schedule')).to.equal(true)
expect(utils.isEventUsed(functions, 'http')).to.equal(false)
})
})
})