serverless/test/unit/lib/classes/utils.test.js
2023-03-17 09:59:22 +01:00

273 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);
});
});
});