mirror of
https://github.com/balena-io/balena-cli.git
synced 2024-12-20 06:07:55 +00:00
569 lines
16 KiB
TypeScript
569 lines
16 KiB
TypeScript
import * as stream from 'stream';
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import { AssertionError, expect } from 'chai';
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import { stub } from 'sinon';
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import * as tmp from 'tmp';
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import { delay } from '../../utils';
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import * as fs from 'fs';
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import * as fsAsync from 'fs/promises';
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import * as stringToStream from 'string-to-stream';
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import { Writable as WritableStream } from 'stream';
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import * as imageManager from '../../../build/utils/image-manager';
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import { resolve, extname } from 'path';
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import * as mockFs from 'mock-fs';
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import * as rimraf from 'rimraf';
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import { promisify } from 'util';
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import * as os from 'os';
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// Make sure we're all using literally the same instance of balena-sdk
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// so we can mock out methods called by the real code
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import { getBalenaSdk } from '../../../build/utils/lazy';
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const balena = getBalenaSdk();
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const fsExistsAsync = promisify(fs.exists);
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const clean = async () => {
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await promisify(rimraf)(await balena.settings.get('cacheDirectory'));
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};
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describe('image-manager', function () {
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describe('.getStream()', () => {
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describe('given the existing image', function () {
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beforeEach(function () {
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this.image = tmp.fileSync();
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fs.writeSync(this.image.fd, 'Cache image', 0, 'utf8');
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this.cacheGetImagePathStub = stub(imageManager, 'getImagePath');
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return this.cacheGetImagePathStub.returns(
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Promise.resolve(this.image.name),
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);
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});
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afterEach(function () {
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this.cacheGetImagePathStub.restore();
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return this.image.removeCallback();
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});
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describe('given the image is fresh', function () {
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beforeEach(function () {
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this.cacheIsImageFresh = stub(imageManager, 'isImageFresh');
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return this.cacheIsImageFresh.returns(Promise.resolve(true));
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});
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afterEach(function () {
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return this.cacheIsImageFresh.restore();
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});
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it('should eventually become a readable stream of the cached image', function (done) {
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this.timeout(5000);
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void imageManager.getStream('raspberry-pi').then(function (stream) {
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let result = '';
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stream.on('data', (chunk) => (result += chunk.toString()));
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return stream.on('end', function () {
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expect(result).to.equal('Cache image');
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return done();
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});
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});
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});
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});
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describe('given the image is not fresh', function () {
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beforeEach(function () {
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this.cacheIsImageFresh = stub(imageManager, 'isImageFresh');
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return this.cacheIsImageFresh.returns(Promise.resolve(false));
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});
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afterEach(function () {
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return this.cacheIsImageFresh.restore();
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});
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// Skipping test because we keep getting `Cache image` instead of `Download image`
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describe.skip('given a valid download endpoint', function () {
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beforeEach(function () {
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this.osDownloadStub = stub(balena.models.os, 'download');
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this.osDownloadStub.returns(
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Promise.resolve(stringToStream('Download image')),
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);
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});
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afterEach(function () {
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this.osDownloadStub.restore();
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});
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it('should eventually become a readable stream of the download image and save a backup copy', function (done) {
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void imageManager.getStream('raspberry-pi').then((stream) => {
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let result = '';
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stream.on('data', (chunk) => (result += chunk));
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stream.on('end', async () => {
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expect(result).to.equal('Download image');
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const contents = await fsAsync.readFile(this.image.name, {
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encoding: 'utf8',
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});
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expect(contents).to.equal('Download image');
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done();
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});
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});
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});
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it('should be able to read from the stream after a slight delay', function (done) {
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void imageManager.getStream('raspberry-pi').then(async (s) => {
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await delay(200);
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const pass = new stream.PassThrough();
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s.pipe(pass);
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let result = '';
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pass.on('data', (chunk) => (result += chunk));
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pass.on('end', function () {
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expect(result).to.equal('Download image');
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done();
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});
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});
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});
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});
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describe('given a failing download', function () {
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beforeEach(function () {
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this.osDownloadStream = new stream.PassThrough();
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this.osDownloadStub = stub(balena.models.os, 'download');
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this.osDownloadStub.returns(Promise.resolve(this.osDownloadStream));
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});
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afterEach(function () {
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this.osDownloadStub.restore();
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});
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it('should clean up the in progress cached stream if an error occurs', function (done) {
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if (os.platform() === 'win32') {
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// Skipping test on Windows because we get `EPERM: operation not permitted, rename` for `getImageWritableStream` on the windows runner
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this.skip();
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}
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void imageManager.getStream('raspberry-pi').then((stream) => {
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stream.on('data', () => {
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// After the first chunk, error
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return this.osDownloadStream.emit('error');
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});
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stream.on('error', async () => {
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const contents = await fsAsync
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.stat(this.image.name + '.inprogress')
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.then(function () {
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throw new AssertionError(
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'Image cache should be deleted on failure',
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);
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})
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.catch((err) => {
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if (err.code !== 'ENOENT') {
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throw err;
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}
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return fsAsync.readFile(this.image.name, {
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encoding: 'utf8',
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});
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});
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expect(contents).to.equal('Cache image');
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done();
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});
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stringToStream('Download image').pipe(this.osDownloadStream);
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});
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});
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});
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describe('given a stream with the mime property', async function () {
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beforeEach(function () {
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this.osDownloadStub = stub(balena.models.os, 'download');
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const message = 'Lorem ipsum dolor sit amet';
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const mockResultStream = stringToStream(message) as ReturnType<
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typeof stringToStream
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> & {
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mime?: string;
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};
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mockResultStream.mime = 'application/zip';
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this.osDownloadStub.returns(Promise.resolve(mockResultStream));
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});
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afterEach(function () {
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this.osDownloadStub.restore();
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});
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it('should preserve the property', () =>
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imageManager
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.getStream('raspberry-pi')
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.then((resultStream) =>
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expect(resultStream.mime).to.equal('application/zip'),
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));
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});
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});
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});
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});
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describe('.getImagePath()', () => {
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describe('given a cache directory', function () {
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beforeEach(function () {
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this.balenaSettingsGetStub = stub(balena.settings, 'get');
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this.balenaSettingsGetStub
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.withArgs('cacheDirectory')
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.returns(
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Promise.resolve(
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os.platform() === 'win32'
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? 'C:\\Users\\johndoe\\_balena\\cache'
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: '/Users/johndoe/.balena/cache',
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),
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);
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});
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afterEach(function () {
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this.balenaSettingsGetStub.restore();
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});
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describe('given valid slugs', function () {
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beforeEach(function () {
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this.getDeviceTypeManifestBySlugStub = stub(
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balena.models.config,
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'getDeviceTypeManifestBySlug',
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);
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this.getDeviceTypeManifestBySlugStub.withArgs('raspberry-pi').returns(
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Promise.resolve({
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yocto: {
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fstype: 'resin-sdcard',
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},
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}),
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);
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this.getDeviceTypeManifestBySlugStub.withArgs('intel-edison').returns(
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Promise.resolve({
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yocto: {
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fstype: 'zip',
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},
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}),
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);
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});
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afterEach(function () {
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this.getDeviceTypeManifestBySlugStub.restore();
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});
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it('should eventually equal an absolute path', async () => {
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await imageManager
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.getImagePath('raspberry-pi', '1.2.3')
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.then(function (imagePath) {
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const isAbsolute = imagePath === resolve(imagePath);
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expect(isAbsolute).to.be.true;
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});
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});
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it('should eventually equal the correct path', async function () {
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const result = await imageManager.getImagePath(
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'raspberry-pi',
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'1.2.3',
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);
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expect(result).to.equal(
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os.platform() === 'win32'
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? 'C:\\Users\\johndoe\\_balena\\cache\\raspberry-pi-v1.2.3.img'
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: '/Users/johndoe/.balena/cache/raspberry-pi-v1.2.3.img',
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);
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});
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it('should use a zip extension for directory images', async () => {
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const imagePath = await imageManager.getImagePath(
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'intel-edison',
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'1.2.3',
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);
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expect(extname(imagePath)).to.equal('.zip');
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});
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it('given invalid version should be rejected', async function () {
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const promise = imageManager.getImagePath('intel-edison', 'DOUGH');
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await expect(promise).to.be.eventually.rejectedWith(
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'Invalid version number',
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);
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});
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});
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});
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});
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describe('.isImageFresh()', () => {
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describe('given the raspberry-pi manifest', function () {
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beforeEach(function () {
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this.getDeviceTypeManifestBySlugStub = stub(
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balena.models.config,
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'getDeviceTypeManifestBySlug',
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);
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this.getDeviceTypeManifestBySlugStub.returns(
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Promise.resolve({
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yocto: {
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fstype: 'balena-sdcard',
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},
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}),
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);
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});
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afterEach(function () {
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this.getDeviceTypeManifestBySlugStub.restore();
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});
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describe('given the file does not exist', function () {
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beforeEach(function () {
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this.utilsGetFileCreatedDate = stub(
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imageManager,
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'getFileCreatedDate',
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);
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this.utilsGetFileCreatedDate.returns(
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Promise.reject(new Error("ENOENT, stat 'raspberry-pi'")),
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);
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});
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afterEach(function () {
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this.utilsGetFileCreatedDate.restore();
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});
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it('should return false', async function () {
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expect(await imageManager.isImageFresh('raspberry-pi', '1.2.3')).to.be
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.false;
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});
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});
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describe('given a fixed created time', function () {
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beforeEach(function () {
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this.utilsGetFileCreatedDate = stub(
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imageManager,
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'getFileCreatedDate',
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);
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this.utilsGetFileCreatedDate.returns(
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Promise.resolve(new Date('2014-01-01T00:00:00.000Z')),
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);
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});
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afterEach(function () {
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this.utilsGetFileCreatedDate.restore();
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});
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describe('given the file was created before the os last modified time', function () {
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beforeEach(function () {
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this.osGetLastModified = stub(balena.models.os, 'getLastModified');
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this.osGetLastModified.returns(
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Promise.resolve(new Date('2014-02-01T00:00:00.000Z')),
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);
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});
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afterEach(function () {
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this.osGetLastModified.restore();
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});
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it('should return false', function () {
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const promise = imageManager.isImageFresh('raspberry-pi', '1.2.3');
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return expect(promise).to.eventually.be.false;
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});
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});
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describe('given the file was created after the os last modified time', function () {
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beforeEach(function () {
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this.osGetLastModified = stub(balena.models.os, 'getLastModified');
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this.osGetLastModified.returns(
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Promise.resolve(new Date('2013-01-01T00:00:00.000Z')),
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);
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});
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afterEach(function () {
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this.osGetLastModified.restore();
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});
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it('should return true', function () {
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const promise = imageManager.isImageFresh('raspberry-pi', '1.2.3');
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return expect(promise).to.eventually.be.true;
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});
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});
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describe('given the file was created just at the os last modified time', function () {
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beforeEach(function () {
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this.osGetLastModified = stub(balena.models.os, 'getLastModified');
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this.osGetLastModified.returns(
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Promise.resolve(new Date('2014-00-01T00:00:00.000Z')),
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);
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});
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afterEach(function () {
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this.osGetLastModified.restore();
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});
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it('should return false', function () {
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const promise = imageManager.isImageFresh('raspberry-pi', '1.2.3');
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return expect(promise).to.eventually.be.false;
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});
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});
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});
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});
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});
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describe('.getImage()', () => {
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describe('given an existing image', function () {
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beforeEach(function () {
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this.image = tmp.fileSync();
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fs.writeSync(this.image.fd, 'Lorem ipsum dolor sit amet', 0, 'utf8');
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this.cacheGetImagePathStub = stub(imageManager, 'getImagePath');
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this.cacheGetImagePathStub.returns(Promise.resolve(this.image.name));
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});
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afterEach(function (done) {
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this.cacheGetImagePathStub.restore();
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fs.unlink(this.image.name, done);
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});
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it('should return a stream to the image', function (done) {
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void imageManager
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.getImage('lorem-ipsum', '1.2.3')
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.then(function (stream) {
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let result = '';
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stream.on('data', (chunk) => (result += chunk));
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stream.on('end', function () {
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expect(result).to.equal('Lorem ipsum dolor sit amet');
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done();
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});
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});
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});
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it('should contain the mime property', () =>
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imageManager
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.getImage('lorem-ipsum', '1.2.3')
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.then((stream) =>
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expect(stream.mime).to.equal('application/octet-stream'),
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));
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});
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});
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describe('.getImageWritableStream()', () => {
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describe('given the valid image path', function () {
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beforeEach(function () {
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this.image = tmp.fileSync();
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this.cacheGetImagePathStub = stub(imageManager, 'getImagePath');
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this.cacheGetImagePathStub.returns(Promise.resolve(this.image.name));
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});
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afterEach(function (done) {
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this.cacheGetImagePathStub.restore();
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fs.unlink(this.image.name, done);
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});
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it('should return a writable stream', () =>
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imageManager
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.getImageWritableStream('raspberry-pi', '1.2.3')
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.then((stream) =>
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expect(stream).to.be.an.instanceof(WritableStream),
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));
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it('should allow writing to the stream', function (done) {
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if (os.platform() === 'win32') {
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// Skipping test on Windows because we get `EPERM: operation not permitted, rename` for `getImageWritableStream` on the windows runner
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this.skip();
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}
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void imageManager
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.getImageWritableStream('raspberry-pi', '1.2.3')
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.then((stream) => {
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const stringStream = stringToStream('Lorem ipsum dolor sit amet');
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stringStream.pipe(stream);
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stream.on('finish', async () => {
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await stream.persistCache();
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const contents = await fsAsync.readFile(this.image.name, {
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encoding: 'utf8',
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});
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expect(contents).to.equal('Lorem ipsum dolor sit amet');
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done();
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});
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});
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});
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});
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});
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describe('.getFileCreatedDate()', function () {
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describe('given the file exists', function () {
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beforeEach(function () {
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this.date = new Date(2014, 1, 1);
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this.fsStatStub = stub(fs.promises, 'stat');
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this.fsStatStub
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.withArgs('foo')
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.returns(Promise.resolve({ ctime: this.date }));
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});
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afterEach(function () {
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this.fsStatStub.restore();
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});
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it('should eventually equal the created time in milliseconds', async function () {
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const promise = imageManager.getFileCreatedDate('foo');
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await expect(promise).to.eventually.equal(this.date);
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});
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});
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|
describe('given the file does not exist', function () {
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beforeEach(function () {
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this.fsStatStub = stub(fs.promises, 'stat');
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this.fsStatStub
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|
.withArgs('foo')
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.returns(Promise.reject(new Error("ENOENT, stat 'foo'")));
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});
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afterEach(function () {
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this.fsStatStub.restore();
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});
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it('should be rejected with an error', async function () {
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const promise = imageManager.getFileCreatedDate('foo');
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await expect(promise).to.be.rejectedWith('ENOENT');
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});
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});
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});
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|
|
describe('.clean()', function () {
|
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describe('given the cache with saved images', function () {
|
|
beforeEach(async function () {
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this.cacheDirectory = await balena.settings.get('cacheDirectory');
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mockFs({
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[this.cacheDirectory]: {
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'raspberry-pi': 'Raspberry Pi Image',
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'intel-edison': 'Intel Edison Image',
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parallela: 'Parallela Image',
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},
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});
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});
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afterEach(() => {
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mockFs.restore();
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});
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|
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it('should remove the cache directory completely', async function () {
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const exists = await fsExistsAsync(this.cacheDirectory);
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expect(exists).to.be.true;
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await clean();
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const exists2 = await fsExistsAsync(this.cacheDirectory);
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expect(exists2).to.be.false;
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|
});
|
|
});
|
|
|
|
describe('given no cache', function () {
|
|
beforeEach(async function () {
|
|
this.cacheDirectory = await balena.settings.get('cacheDirectory');
|
|
mockFs({});
|
|
});
|
|
|
|
afterEach(() => mockFs.restore());
|
|
|
|
it('should keep the cache directory removed', async function () {
|
|
const exists = await fsExistsAsync(this.cacheDirectory);
|
|
expect(exists).to.be.false;
|
|
await clean();
|
|
const exists2 = await fsExistsAsync(this.cacheDirectory);
|
|
expect(exists2).to.be.false;
|
|
});
|
|
});
|
|
});
|
|
});
|