mirror of
https://github.com/overleaf/overleaf.git
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4b308553be
[misc] move the linting setup to the root of the monorepo GitOrigin-RevId: 1633e2a58598add0b727738cd3bfba0ab7bae781
967 lines
26 KiB
JavaScript
967 lines
26 KiB
JavaScript
const sinon = require('sinon')
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const chai = require('chai')
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const { expect } = chai
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const modulePath = '../../src/S3Persistor.js'
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const SandboxedModule = require('sandboxed-module')
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const Errors = require('../../src/Errors')
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describe('S3PersistorTests', function () {
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const defaultS3Key = 'frog'
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const defaultS3Secret = 'prince'
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const defaultS3Credentials = {
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credentials: {
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accessKeyId: defaultS3Key,
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secretAccessKey: defaultS3Secret,
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},
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}
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const filename = '/wombat/potato.tex'
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const bucket = 'womBucket'
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const key = 'monKey'
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const destKey = 'donKey'
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const objectSize = 5555
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const genericError = new Error('guru meditation error')
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const files = [
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{ Key: 'llama', Size: 11 },
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{ Key: 'hippo', Size: 22 },
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]
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const filesSize = 33
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const md5 = 'ffffffff00000000ffffffff00000000'
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const redirectUrl = 'https://wombat.potato/giraffe'
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let Logger,
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Transform,
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S3,
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Fs,
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ReadStream,
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Stream,
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S3Persistor,
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S3Client,
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S3ReadStream,
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S3NotFoundError,
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S3AccessDeniedError,
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FileNotFoundError,
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EmptyPromise,
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settings,
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Hash,
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crypto
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beforeEach(function () {
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settings = {
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secret: defaultS3Secret,
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key: defaultS3Key,
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partSize: 100 * 1024 * 1024,
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}
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Transform = class {
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on(event, callback) {
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if (event === 'readable') {
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callback()
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}
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}
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once() {}
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removeListener() {}
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}
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Stream = {
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pipeline: sinon.stub().yields(),
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Transform: Transform,
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}
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EmptyPromise = {
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promise: sinon.stub().resolves(),
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}
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ReadStream = {
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pipe: sinon.stub().returns('readStream'),
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on: sinon.stub(),
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removeListener: sinon.stub(),
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}
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ReadStream.on.withArgs('end').yields()
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ReadStream.on.withArgs('pipe').yields({
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unpipe: sinon.stub(),
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resume: sinon.stub(),
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})
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FileNotFoundError = new Error('File not found')
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FileNotFoundError.code = 'ENOENT'
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Fs = {
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createReadStream: sinon.stub().returns(ReadStream),
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}
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S3NotFoundError = new Error('not found')
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S3NotFoundError.code = 'NoSuchKey'
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S3AccessDeniedError = new Error('access denied')
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S3AccessDeniedError.code = 'AccessDenied'
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S3ReadStream = {
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on: sinon.stub(),
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pipe: sinon.stub(),
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removeListener: sinon.stub(),
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}
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S3ReadStream.on.withArgs('end').yields()
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S3ReadStream.on.withArgs('pipe').yields({
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unpipe: sinon.stub(),
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resume: sinon.stub(),
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})
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S3Client = {
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getObject: sinon.stub().returns({
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createReadStream: sinon.stub().returns(S3ReadStream),
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}),
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headObject: sinon.stub().returns({
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promise: sinon.stub().resolves({
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ContentLength: objectSize,
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ETag: md5,
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}),
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}),
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listObjectsV2: sinon.stub().returns({
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promise: sinon.stub().resolves({
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Contents: files,
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}),
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}),
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upload: sinon
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.stub()
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.returns({ promise: sinon.stub().resolves({ ETag: `"${md5}"` }) }),
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copyObject: sinon.stub().returns(EmptyPromise),
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deleteObject: sinon.stub().returns(EmptyPromise),
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deleteObjects: sinon.stub().returns(EmptyPromise),
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getSignedUrlPromise: sinon.stub().resolves(redirectUrl),
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}
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S3 = sinon.stub().returns(S3Client)
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Hash = {
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end: sinon.stub(),
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read: sinon.stub().returns(md5),
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setEncoding: sinon.stub(),
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}
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crypto = {
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createHash: sinon.stub().returns(Hash),
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}
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Logger = {
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warn: sinon.stub(),
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}
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S3Persistor = new (SandboxedModule.require(modulePath, {
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requires: {
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'aws-sdk/clients/s3': S3,
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'logger-sharelatex': Logger,
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'./Errors': Errors,
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fs: Fs,
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stream: Stream,
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crypto,
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},
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globals: { console, Buffer },
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}))(settings)
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})
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describe('getObjectStream', function () {
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describe('when called with valid parameters', function () {
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let stream
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beforeEach(async function () {
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stream = await S3Persistor.getObjectStream(bucket, key)
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})
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it('returns a metered stream', function () {
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expect(stream).to.be.instanceOf(Transform)
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})
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it('sets the AWS client up with credentials from settings', function () {
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expect(S3).to.have.been.calledWith(defaultS3Credentials)
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})
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it('fetches the right key from the right bucket', function () {
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expect(S3Client.getObject).to.have.been.calledWith({
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Bucket: bucket,
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Key: key,
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})
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})
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it('pipes the stream through the meter', async function () {
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expect(S3ReadStream.pipe).to.have.been.calledWith(
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sinon.match.instanceOf(Transform)
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)
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})
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})
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describe('when called with a byte range', function () {
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let stream
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beforeEach(async function () {
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stream = await S3Persistor.getObjectStream(bucket, key, {
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start: 5,
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end: 10,
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})
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})
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it('returns a metered stream', function () {
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expect(stream).to.be.instanceOf(Stream.Transform)
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})
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it('passes the byte range on to S3', function () {
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expect(S3Client.getObject).to.have.been.calledWith({
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Bucket: bucket,
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Key: key,
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Range: 'bytes=5-10',
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})
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})
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})
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describe('when there are alternative credentials', function () {
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let stream
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const alternativeSecret = 'giraffe'
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const alternativeKey = 'hippo'
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const alternativeS3Credentials = {
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credentials: {
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accessKeyId: alternativeKey,
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secretAccessKey: alternativeSecret,
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},
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}
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beforeEach(async function () {
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settings.bucketCreds = {}
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settings.bucketCreds[bucket] = {
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auth_key: alternativeKey,
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auth_secret: alternativeSecret,
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}
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stream = await S3Persistor.getObjectStream(bucket, key)
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})
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it('returns a metered stream', function () {
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expect(stream).to.be.instanceOf(Stream.Transform)
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})
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it('sets the AWS client up with the alternative credentials', function () {
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expect(S3).to.have.been.calledWith(alternativeS3Credentials)
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})
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it('fetches the right key from the right bucket', function () {
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expect(S3Client.getObject).to.have.been.calledWith({
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Bucket: bucket,
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Key: key,
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})
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})
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it('uses the default credentials for an unknown bucket', async function () {
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stream = await S3Persistor.getObjectStream('anotherBucket', key)
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expect(S3).to.have.been.calledTwice
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expect(S3.firstCall).to.have.been.calledWith(alternativeS3Credentials)
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expect(S3.secondCall).to.have.been.calledWith(defaultS3Credentials)
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})
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it('throws an error if there are no credentials for the bucket', async function () {
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delete settings.key
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delete settings.secret
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await expect(
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S3Persistor.getObjectStream('anotherBucket', key)
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).to.eventually.be.rejected.and.be.an.instanceOf(Errors.SettingsError)
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})
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})
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describe('when given S3 options', function () {
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const httpOptions = { timeout: 2000 }
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const maxRetries = 2
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beforeEach(async function () {
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settings.httpOptions = httpOptions
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settings.maxRetries = maxRetries
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await S3Persistor.getObjectStream(bucket, key)
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})
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it('configures the S3 client appropriately', function () {
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expect(S3).to.have.been.calledWithMatch({ httpOptions, maxRetries })
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})
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})
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describe("when the file doesn't exist", function () {
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let error, stream
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beforeEach(async function () {
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Transform.prototype.on = sinon.stub()
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S3ReadStream.on.withArgs('error').yields(S3NotFoundError)
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try {
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stream = await S3Persistor.getObjectStream(bucket, key)
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} catch (err) {
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error = err
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}
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})
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it('does not return a stream', function () {
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expect(stream).not.to.exist
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})
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it('throws a NotFoundError', function () {
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expect(error).to.be.an.instanceOf(Errors.NotFoundError)
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})
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it('wraps the error', function () {
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expect(error.cause).to.exist
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})
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it('stores the bucket and key in the error', function () {
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expect(error.info).to.include({ bucketName: bucket, key: key })
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})
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})
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describe('when access to the file is denied', function () {
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let error, stream
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beforeEach(async function () {
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Transform.prototype.on = sinon.stub()
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S3ReadStream.on.withArgs('error').yields(S3AccessDeniedError)
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try {
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stream = await S3Persistor.getObjectStream(bucket, key)
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} catch (err) {
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error = err
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}
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})
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it('does not return a stream', function () {
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expect(stream).not.to.exist
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})
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it('throws a NotFoundError', function () {
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expect(error).to.be.an.instanceOf(Errors.NotFoundError)
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})
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it('wraps the error', function () {
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expect(error.cause).to.exist
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})
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it('stores the bucket and key in the error', function () {
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expect(error.info).to.include({ bucketName: bucket, key: key })
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})
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})
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describe('when S3 encounters an unkown error', function () {
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let error, stream
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beforeEach(async function () {
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Transform.prototype.on = sinon.stub()
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S3ReadStream.on.withArgs('error').yields(genericError)
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try {
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stream = await S3Persistor.getObjectStream(bucket, key)
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} catch (err) {
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error = err
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}
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})
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it('does not return a stream', function () {
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expect(stream).not.to.exist
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})
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it('throws a ReadError', function () {
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expect(error).to.be.an.instanceOf(Errors.ReadError)
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})
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it('wraps the error', function () {
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expect(error.cause).to.exist
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})
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it('stores the bucket and key in the error', function () {
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expect(error.info).to.include({ bucketName: bucket, key: key })
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})
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})
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})
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describe('getRedirectUrl', function () {
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let signedUrl
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beforeEach(async function () {
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signedUrl = await S3Persistor.getRedirectUrl(bucket, key)
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})
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it('should request a signed URL', function () {
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expect(S3Client.getSignedUrlPromise).to.have.been.called
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})
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it('should return the url', function () {
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expect(signedUrl).to.equal(redirectUrl)
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})
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})
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describe('getObjectSize', function () {
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describe('when called with valid parameters', function () {
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let size
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beforeEach(async function () {
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size = await S3Persistor.getObjectSize(bucket, key)
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})
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it('should return the object size', function () {
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expect(size).to.equal(objectSize)
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})
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it('should pass the bucket and key to S3', function () {
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expect(S3Client.headObject).to.have.been.calledWith({
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Bucket: bucket,
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Key: key,
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})
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})
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})
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describe('when the object is not found', function () {
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let error
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beforeEach(async function () {
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S3Client.headObject = sinon.stub().returns({
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promise: sinon.stub().rejects(S3NotFoundError),
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})
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try {
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await S3Persistor.getObjectSize(bucket, key)
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} catch (err) {
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error = err
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}
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})
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it('should return a NotFoundError', function () {
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expect(error).to.be.an.instanceOf(Errors.NotFoundError)
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})
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it('should wrap the error', function () {
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expect(error.cause).to.equal(S3NotFoundError)
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})
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})
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describe('when S3 returns an error', function () {
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let error
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beforeEach(async function () {
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S3Client.headObject = sinon.stub().returns({
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promise: sinon.stub().rejects(genericError),
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})
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try {
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await S3Persistor.getObjectSize(bucket, key)
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} catch (err) {
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error = err
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}
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})
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it('should return a ReadError', function () {
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expect(error).to.be.an.instanceOf(Errors.ReadError)
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})
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it('should wrap the error', function () {
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expect(error.cause).to.equal(genericError)
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})
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})
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})
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describe('sendStream', function () {
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describe('with valid parameters', function () {
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beforeEach(async function () {
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return S3Persistor.sendStream(bucket, key, ReadStream)
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})
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it('should upload the stream', function () {
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expect(S3Client.upload).to.have.been.calledWith({
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Bucket: bucket,
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Key: key,
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Body: sinon.match.instanceOf(Stream.Transform),
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})
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})
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it('should upload files in a single part', function () {
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expect(S3Client.upload).to.have.been.calledWith(sinon.match.any, {
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partSize: 100 * 1024 * 1024,
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})
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})
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it('should meter the stream', function () {
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expect(ReadStream.pipe).to.have.been.calledWith(
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sinon.match.instanceOf(Stream.Transform)
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)
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})
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})
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describe('when a hash is supplied', function () {
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beforeEach(async function () {
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return S3Persistor.sendStream(bucket, key, ReadStream, {
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sourceMd5: 'aaaaaaaabbbbbbbbaaaaaaaabbbbbbbb',
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})
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})
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it('sends the hash in base64', function () {
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expect(S3Client.upload).to.have.been.calledWith({
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Bucket: bucket,
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Key: key,
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Body: sinon.match.instanceOf(Transform),
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ContentMD5: 'qqqqqru7u7uqqqqqu7u7uw==',
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})
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})
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})
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describe('when metadata is supplied', function () {
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const contentType = 'text/csv'
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const contentEncoding = 'gzip'
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beforeEach(async function () {
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return S3Persistor.sendStream(bucket, key, ReadStream, {
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contentType,
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contentEncoding,
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})
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})
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it('sends the metadata to S3', function () {
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expect(S3Client.upload).to.have.been.calledWith({
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Bucket: bucket,
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Key: key,
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Body: sinon.match.instanceOf(Transform),
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ContentType: contentType,
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ContentEncoding: contentEncoding,
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})
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})
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})
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describe('when the upload fails', function () {
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let error
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beforeEach(async function () {
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S3Client.upload = sinon.stub().returns({
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promise: sinon.stub().rejects(genericError),
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})
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try {
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await S3Persistor.sendStream(bucket, key, ReadStream)
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} catch (err) {
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error = err
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}
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})
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it('throws a WriteError', function () {
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expect(error).to.be.an.instanceOf(Errors.WriteError)
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})
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})
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})
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describe('sendFile', function () {
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describe('with valid parameters', function () {
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beforeEach(async function () {
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return S3Persistor.sendFile(bucket, key, filename)
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})
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it('should create a read stream for the file', function () {
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expect(Fs.createReadStream).to.have.been.calledWith(filename)
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})
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it('should upload the stream', function () {
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expect(S3Client.upload).to.have.been.calledWith({
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Bucket: bucket,
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Key: key,
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Body: sinon.match.instanceOf(Transform),
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})
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})
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})
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})
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describe('getObjectMd5Hash', function () {
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describe('when the etag is a valid md5 hash', function () {
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let hash
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beforeEach(async function () {
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hash = await S3Persistor.getObjectMd5Hash(bucket, key)
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})
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it('should return the object hash', function () {
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expect(hash).to.equal(md5)
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})
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it('should get the hash from the object metadata', function () {
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expect(S3Client.headObject).to.have.been.calledWith({
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Bucket: bucket,
|
|
Key: key,
|
|
})
|
|
})
|
|
|
|
it('should not download the object', function () {
|
|
expect(S3Client.getObject).not.to.have.been.called
|
|
})
|
|
})
|
|
|
|
describe("when the etag isn't a valid md5 hash", function () {
|
|
let hash
|
|
beforeEach(async function () {
|
|
S3Client.headObject = sinon.stub().returns({
|
|
promise: sinon.stub().resolves({
|
|
ETag: 'somethingthatisntanmd5',
|
|
Bucket: bucket,
|
|
Key: key,
|
|
}),
|
|
})
|
|
|
|
hash = await S3Persistor.getObjectMd5Hash(bucket, key)
|
|
})
|
|
|
|
it('should re-fetch the file to verify it', function () {
|
|
expect(S3Client.getObject).to.have.been.calledWith({
|
|
Bucket: bucket,
|
|
Key: key,
|
|
})
|
|
})
|
|
|
|
it('should meter the download', function () {
|
|
expect(S3ReadStream.pipe).to.have.been.calledWith(
|
|
sinon.match.instanceOf(Stream.Transform)
|
|
)
|
|
})
|
|
|
|
it('should calculate the md5 hash from the file', function () {
|
|
expect(Hash.read).to.have.been.called
|
|
})
|
|
|
|
it('should return the md5 hash', function () {
|
|
expect(hash).to.equal(md5)
|
|
})
|
|
})
|
|
})
|
|
|
|
describe('copyObject', function () {
|
|
describe('with valid parameters', function () {
|
|
beforeEach(async function () {
|
|
return S3Persistor.copyObject(bucket, key, destKey)
|
|
})
|
|
|
|
it('should copy the object', function () {
|
|
expect(S3Client.copyObject).to.have.been.calledWith({
|
|
Bucket: bucket,
|
|
Key: destKey,
|
|
CopySource: `${bucket}/${key}`,
|
|
})
|
|
})
|
|
})
|
|
|
|
describe('when the file does not exist', function () {
|
|
let error
|
|
|
|
beforeEach(async function () {
|
|
S3Client.copyObject = sinon.stub().returns({
|
|
promise: sinon.stub().rejects(S3NotFoundError),
|
|
})
|
|
try {
|
|
await S3Persistor.copyObject(bucket, key, destKey)
|
|
} catch (err) {
|
|
error = err
|
|
}
|
|
})
|
|
|
|
it('should throw a NotFoundError', function () {
|
|
expect(error).to.be.an.instanceOf(Errors.NotFoundError)
|
|
})
|
|
})
|
|
})
|
|
|
|
describe('deleteObject', function () {
|
|
describe('with valid parameters', function () {
|
|
beforeEach(async function () {
|
|
return S3Persistor.deleteObject(bucket, key)
|
|
})
|
|
|
|
it('should delete the object', function () {
|
|
expect(S3Client.deleteObject).to.have.been.calledWith({
|
|
Bucket: bucket,
|
|
Key: key,
|
|
})
|
|
})
|
|
})
|
|
})
|
|
|
|
describe('deleteDirectory', function () {
|
|
describe('with valid parameters', function () {
|
|
beforeEach(async function () {
|
|
return S3Persistor.deleteDirectory(bucket, key)
|
|
})
|
|
|
|
it('should list the objects in the directory', function () {
|
|
expect(S3Client.listObjectsV2).to.have.been.calledWith({
|
|
Bucket: bucket,
|
|
Prefix: key,
|
|
})
|
|
})
|
|
|
|
it('should delete the objects using their keys', function () {
|
|
expect(S3Client.deleteObjects).to.have.been.calledWith({
|
|
Bucket: bucket,
|
|
Delete: {
|
|
Objects: [{ Key: 'llama' }, { Key: 'hippo' }],
|
|
Quiet: true,
|
|
},
|
|
})
|
|
})
|
|
})
|
|
|
|
describe('when there are no files', function () {
|
|
beforeEach(async function () {
|
|
S3Client.listObjectsV2 = sinon
|
|
.stub()
|
|
.returns({ promise: sinon.stub().resolves({ Contents: [] }) })
|
|
return S3Persistor.deleteDirectory(bucket, key)
|
|
})
|
|
|
|
it('should list the objects in the directory', function () {
|
|
expect(S3Client.listObjectsV2).to.have.been.calledWith({
|
|
Bucket: bucket,
|
|
Prefix: key,
|
|
})
|
|
})
|
|
|
|
it('should not try to delete any objects', function () {
|
|
expect(S3Client.deleteObjects).not.to.have.been.called
|
|
})
|
|
})
|
|
|
|
describe('when there are more files available', function () {
|
|
const continuationToken = 'wombat'
|
|
beforeEach(async function () {
|
|
S3Client.listObjectsV2.onCall(0).returns({
|
|
promise: sinon.stub().resolves({
|
|
Contents: files,
|
|
IsTruncated: true,
|
|
NextContinuationToken: continuationToken,
|
|
}),
|
|
})
|
|
|
|
return S3Persistor.deleteDirectory(bucket, key)
|
|
})
|
|
|
|
it('should list the objects a second time, with a continuation token', function () {
|
|
expect(S3Client.listObjectsV2).to.be.calledTwice
|
|
expect(S3Client.listObjectsV2).to.be.calledWith({
|
|
Bucket: bucket,
|
|
Prefix: key,
|
|
})
|
|
expect(S3Client.listObjectsV2).to.be.calledWith({
|
|
Bucket: bucket,
|
|
Prefix: key,
|
|
ContinuationToken: continuationToken,
|
|
})
|
|
})
|
|
|
|
it('should delete both sets of files', function () {
|
|
expect(S3Client.deleteObjects).to.have.been.calledTwice
|
|
})
|
|
})
|
|
|
|
describe('when there is an error listing the objects', function () {
|
|
let error
|
|
|
|
beforeEach(async function () {
|
|
S3Client.listObjectsV2 = sinon
|
|
.stub()
|
|
.returns({ promise: sinon.stub().rejects(genericError) })
|
|
try {
|
|
await S3Persistor.deleteDirectory(bucket, key)
|
|
} catch (err) {
|
|
error = err
|
|
}
|
|
})
|
|
|
|
it('should generate a ReadError', function () {
|
|
expect(error).to.be.an.instanceOf(Errors.ReadError)
|
|
})
|
|
|
|
it('should wrap the error', function () {
|
|
expect(error.cause).to.equal(genericError)
|
|
})
|
|
|
|
it('should not try to delete any objects', function () {
|
|
expect(S3Client.deleteObjects).not.to.have.been.called
|
|
})
|
|
})
|
|
|
|
describe('when there is an error deleting the objects', function () {
|
|
let error
|
|
|
|
beforeEach(async function () {
|
|
S3Client.deleteObjects = sinon
|
|
.stub()
|
|
.returns({ promise: sinon.stub().rejects(genericError) })
|
|
try {
|
|
await S3Persistor.deleteDirectory(bucket, key)
|
|
} catch (err) {
|
|
error = err
|
|
}
|
|
})
|
|
|
|
it('should generate a WriteError', function () {
|
|
expect(error).to.be.an.instanceOf(Errors.WriteError)
|
|
})
|
|
|
|
it('should wrap the error', function () {
|
|
expect(error.cause).to.equal(genericError)
|
|
})
|
|
})
|
|
})
|
|
|
|
describe('directorySize', function () {
|
|
describe('with valid parameters', function () {
|
|
let size
|
|
|
|
beforeEach(async function () {
|
|
size = await S3Persistor.directorySize(bucket, key)
|
|
})
|
|
|
|
it('should list the objects in the directory', function () {
|
|
expect(S3Client.listObjectsV2).to.have.been.calledWith({
|
|
Bucket: bucket,
|
|
Prefix: key,
|
|
})
|
|
})
|
|
|
|
it('should return the directory size', function () {
|
|
expect(size).to.equal(filesSize)
|
|
})
|
|
})
|
|
|
|
describe('when there are no files', function () {
|
|
let size
|
|
|
|
beforeEach(async function () {
|
|
S3Client.listObjectsV2 = sinon
|
|
.stub()
|
|
.returns({ promise: sinon.stub().resolves({ Contents: [] }) })
|
|
size = await S3Persistor.directorySize(bucket, key)
|
|
})
|
|
|
|
it('should list the objects in the directory', function () {
|
|
expect(S3Client.listObjectsV2).to.have.been.calledWith({
|
|
Bucket: bucket,
|
|
Prefix: key,
|
|
})
|
|
})
|
|
|
|
it('should return zero', function () {
|
|
expect(size).to.equal(0)
|
|
})
|
|
})
|
|
|
|
describe('when there are more files available', function () {
|
|
const continuationToken = 'wombat'
|
|
let size
|
|
beforeEach(async function () {
|
|
S3Client.listObjectsV2.onCall(0).returns({
|
|
promise: sinon.stub().resolves({
|
|
Contents: files,
|
|
IsTruncated: true,
|
|
NextContinuationToken: continuationToken,
|
|
}),
|
|
})
|
|
|
|
size = await S3Persistor.directorySize(bucket, key)
|
|
})
|
|
|
|
it('should list the objects a second time, with a continuation token', function () {
|
|
expect(S3Client.listObjectsV2).to.be.calledTwice
|
|
expect(S3Client.listObjectsV2).to.be.calledWith({
|
|
Bucket: bucket,
|
|
Prefix: key,
|
|
})
|
|
expect(S3Client.listObjectsV2).to.be.calledWith({
|
|
Bucket: bucket,
|
|
Prefix: key,
|
|
ContinuationToken: continuationToken,
|
|
})
|
|
})
|
|
|
|
it('should return the size of both sets of files', function () {
|
|
expect(size).to.equal(filesSize * 2)
|
|
})
|
|
})
|
|
|
|
describe('when there is an error listing the objects', function () {
|
|
let error
|
|
|
|
beforeEach(async function () {
|
|
S3Client.listObjectsV2 = sinon
|
|
.stub()
|
|
.returns({ promise: sinon.stub().rejects(genericError) })
|
|
try {
|
|
await S3Persistor.directorySize(bucket, key)
|
|
} catch (err) {
|
|
error = err
|
|
}
|
|
})
|
|
|
|
it('should generate a ReadError', function () {
|
|
expect(error).to.be.an.instanceOf(Errors.ReadError)
|
|
})
|
|
|
|
it('should wrap the error', function () {
|
|
expect(error.cause).to.equal(genericError)
|
|
})
|
|
})
|
|
})
|
|
|
|
describe('checkIfObjectExists', function () {
|
|
describe('when the file exists', function () {
|
|
let exists
|
|
|
|
beforeEach(async function () {
|
|
exists = await S3Persistor.checkIfObjectExists(bucket, key)
|
|
})
|
|
|
|
it('should get the object header', function () {
|
|
expect(S3Client.headObject).to.have.been.calledWith({
|
|
Bucket: bucket,
|
|
Key: key,
|
|
})
|
|
})
|
|
|
|
it('should return that the file exists', function () {
|
|
expect(exists).to.equal(true)
|
|
})
|
|
})
|
|
|
|
describe('when the file does not exist', function () {
|
|
let exists
|
|
|
|
beforeEach(async function () {
|
|
S3Client.headObject = sinon
|
|
.stub()
|
|
.returns({ promise: sinon.stub().rejects(S3NotFoundError) })
|
|
exists = await S3Persistor.checkIfObjectExists(bucket, key)
|
|
})
|
|
|
|
it('should get the object header', function () {
|
|
expect(S3Client.headObject).to.have.been.calledWith({
|
|
Bucket: bucket,
|
|
Key: key,
|
|
})
|
|
})
|
|
|
|
it('should return that the file does not exist', function () {
|
|
expect(exists).to.equal(false)
|
|
})
|
|
})
|
|
|
|
describe('when there is an error', function () {
|
|
let error
|
|
|
|
beforeEach(async function () {
|
|
S3Client.headObject = sinon
|
|
.stub()
|
|
.returns({ promise: sinon.stub().rejects(genericError) })
|
|
try {
|
|
await S3Persistor.checkIfObjectExists(bucket, key)
|
|
} catch (err) {
|
|
error = err
|
|
}
|
|
})
|
|
|
|
it('should generate a ReadError', function () {
|
|
expect(error).to.be.an.instanceOf(Errors.ReadError)
|
|
})
|
|
|
|
it('should wrap the upstream ReadError', function () {
|
|
expect(error.cause).to.be.an.instanceOf(Errors.ReadError)
|
|
})
|
|
|
|
it('should eventually wrap the error', function () {
|
|
expect(error.cause.cause).to.equal(genericError)
|
|
})
|
|
})
|
|
})
|
|
})
|