overleaf/services/filestore/test/acceptance/js/FilestoreTests.js

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const chai = require('chai')
const { expect } = chai
const fs = require('fs')
const Settings = require('@overleaf/settings')
const Path = require('path')
const FilestoreApp = require('./FilestoreApp')
const TestHelper = require('./TestHelper')
const rp = require('request-promise-native').defaults({
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resolveWithFullResponse: true,
})
const S3 = require('aws-sdk/clients/s3')
const Stream = require('stream')
const request = require('request')
const { promisify } = require('util')
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const { Storage } = require('@google-cloud/storage')
const streamifier = require('streamifier')
chai.use(require('chai-as-promised'))
const { ObjectId } = require('mongodb')
const tk = require('timekeeper')
const ChildProcess = require('child_process')
const fsWriteFile = promisify(fs.writeFile)
const fsStat = promisify(fs.stat)
const pipeline = promisify(Stream.pipeline)
const exec = promisify(ChildProcess.exec)
const msleep = promisify(setTimeout)
if (!process.env.AWS_ACCESS_KEY_ID) {
throw new Error('please provide credentials for the AWS S3 test server')
}
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process.on('unhandledRejection', e => {
// eslint-disable-next-line no-console
console.log('** Unhandled Promise Rejection **\n', e)
throw e
})
// store settings for multiple backends, so that we can test each one.
// fs will always be available - add others if they are configured
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const BackendSettings = require('./TestConfig')
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describe('Filestore', function () {
this.timeout(1000 * 10)
const filestoreUrl = `http://localhost:${Settings.internal.filestore.port}`
const seenSockets = []
async function expectNoSockets() {
try {
await msleep(1000)
const { stdout } = await exec('ss -tnH')
const badSockets = []
for (const socket of stdout.split('\n')) {
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const fields = socket.split(' ').filter(part => part !== '')
if (
fields.length > 2 &&
parseInt(fields[1]) &&
!seenSockets.includes(socket)
) {
badSockets.push(socket)
seenSockets.push(socket)
}
}
if (badSockets.length) {
// eslint-disable-next-line no-console
console.error(
'ERR: Sockets still have receive buffer after connection closed'
)
for (const socket of badSockets) {
// eslint-disable-next-line no-console
console.error(socket)
}
throw new Error('Sockets still open after connection closed')
}
} catch (err) {
expect(err).not.to.exist
}
}
// redefine the test suite for every available backend
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Object.keys(BackendSettings).forEach(backend => {
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describe(backend, function () {
let app,
previousEgress,
previousIngress,
metricPrefix,
projectId,
otherProjectId
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before(async function () {
// create the app with the relevant filestore settings
Settings.filestore = BackendSettings[backend]
app = new FilestoreApp()
await app.runServer()
})
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if (BackendSettings[backend].gcs) {
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before(async function () {
const storage = new Storage(Settings.filestore.gcs.endpoint)
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await storage.createBucket(process.env.GCS_USER_FILES_BUCKET_NAME)
await storage.createBucket(process.env.GCS_PUBLIC_FILES_BUCKET_NAME)
await storage.createBucket(process.env.GCS_TEMPLATE_FILES_BUCKET_NAME)
await storage.createBucket(
`${process.env.GCS_USER_FILES_BUCKET_NAME}-deleted`
)
await storage.createBucket(
`${process.env.GCS_PUBLIC_FILES_BUCKET_NAME}-deleted`
)
await storage.createBucket(
`${process.env.GCS_TEMPLATE_FILES_BUCKET_NAME}-deleted`
)
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})
}
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after(async function () {
await msleep(3000)
await app.stop()
})
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beforeEach(async function () {
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// retrieve previous metrics from the app
if (['s3', 'gcs'].includes(Settings.filestore.backend)) {
metricPrefix = Settings.filestore.backend
previousEgress = await TestHelper.getMetric(
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filestoreUrl,
`${metricPrefix}_egress`
)
}
projectId = ObjectId().toString()
otherProjectId = ObjectId().toString()
})
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it('should send a 200 for the status endpoint', async function () {
const response = await rp(`${filestoreUrl}/status`)
expect(response.statusCode).to.equal(200)
expect(response.body).to.contain('filestore')
expect(response.body).to.contain('up')
})
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it('should send a 200 for the health-check endpoint', async function () {
const response = await rp(`${filestoreUrl}/health_check`)
expect(response.statusCode).to.equal(200)
expect(response.body).to.equal('OK')
})
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describe('with a file on the server', function () {
let fileId, fileUrl, constantFileContent
const localFileReadPath =
'/tmp/filestore_acceptance_tests_file_read.txt'
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beforeEach(async function () {
fileId = ObjectId().toString()
fileUrl = `${filestoreUrl}/project/${projectId}/file/${fileId}`
constantFileContent = [
'hello world',
`line 2 goes here ${Math.random()}`,
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'there are 3 lines in all',
].join('\n')
await fsWriteFile(localFileReadPath, constantFileContent)
const writeStream = request.post(fileUrl)
const readStream = fs.createReadStream(localFileReadPath)
// hack to consume the result to ensure the http request has been fully processed
const resultStream = fs.createWriteStream('/dev/null')
await pipeline(readStream, writeStream, resultStream)
})
beforeEach(async function retrievePreviousIngressMetrics() {
// The upload request can bump the ingress metric.
// The content hash validation might require a full download
// in case the ETag field of the upload response is not a md5 sum.
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if (['s3', 'gcs'].includes(Settings.filestore.backend)) {
previousIngress = await TestHelper.getMetric(
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filestoreUrl,
`${metricPrefix}_ingress`
)
}
})
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it('should return 404 for a non-existant id', async function () {
const options = { uri: fileUrl + '___this_is_clearly_wrong___' }
await expect(
rp.get(options)
).to.eventually.be.rejected.and.have.property('statusCode', 404)
})
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it('should return the file size on a HEAD request', async function () {
const expectedLength = Buffer.byteLength(constantFileContent)
const res = await rp.head(fileUrl)
expect(res.statusCode).to.equal(200)
expect(res.headers['content-length']).to.equal(
expectedLength.toString()
)
})
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it('should be able get the file back', async function () {
const res = await rp.get(fileUrl)
expect(res.body).to.equal(constantFileContent)
})
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it('should not leak a socket', async function () {
await rp.get(fileUrl)
await expectNoSockets()
})
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it('should be able to get back the first 9 bytes of the file', async function () {
const options = {
uri: fileUrl,
headers: {
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Range: 'bytes=0-8',
},
}
const res = await rp.get(options)
expect(res.body).to.equal('hello wor')
})
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it('should be able to get back bytes 4 through 10 of the file', async function () {
const options = {
uri: fileUrl,
headers: {
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Range: 'bytes=4-10',
},
}
const res = await rp.get(options)
expect(res.body).to.equal('o world')
})
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it('should be able to delete the file', async function () {
const response = await rp.del(fileUrl)
expect(response.statusCode).to.equal(204)
await expect(
rp.get(fileUrl)
).to.eventually.be.rejected.and.have.property('statusCode', 404)
})
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it('should be able to copy files', async function () {
const newProjectID = ObjectId().toString()
const newFileId = ObjectId().toString()
const newFileUrl = `${filestoreUrl}/project/${newProjectID}/file/${newFileId}`
const opts = {
method: 'put',
uri: newFileUrl,
json: {
source: {
project_id: projectId,
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file_id: fileId,
},
},
}
let response = await rp(opts)
expect(response.statusCode).to.equal(200)
response = await rp.del(fileUrl)
expect(response.statusCode).to.equal(204)
response = await rp.get(newFileUrl)
expect(response.body).to.equal(constantFileContent)
})
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it('should be able to overwrite the file', async function () {
const newContent = `here is some different content, ${Math.random()}`
const writeStream = request.post(fileUrl)
const readStream = streamifier.createReadStream(newContent)
// hack to consume the result to ensure the http request has been fully processed
const resultStream = fs.createWriteStream('/dev/null')
await pipeline(readStream, writeStream, resultStream)
const response = await rp.get(fileUrl)
expect(response.body).to.equal(newContent)
})
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if (['S3Persistor', 'GcsPersistor'].includes(backend)) {
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it('should record an egress metric for the upload', async function () {
const metric = await TestHelper.getMetric(
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filestoreUrl,
`${metricPrefix}_egress`
)
expect(metric - previousEgress).to.equal(constantFileContent.length)
})
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it('should record an ingress metric when downloading the file', async function () {
await rp.get(fileUrl)
const metric = await TestHelper.getMetric(
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filestoreUrl,
`${metricPrefix}_ingress`
)
expect(metric - previousIngress).to.equal(
constantFileContent.length
)
})
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it('should record an ingress metric for a partial download', async function () {
const options = {
uri: fileUrl,
headers: {
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Range: 'bytes=0-8',
},
}
await rp.get(options)
const metric = await TestHelper.getMetric(
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filestoreUrl,
`${metricPrefix}_ingress`
)
expect(metric - previousIngress).to.equal(9)
})
}
})
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describe('with multiple files', function () {
let fileIds, fileUrls, otherFileUrls, projectUrl, otherProjectUrl
const localFileReadPaths = [
'/tmp/filestore_acceptance_tests_file_read_1.txt',
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'/tmp/filestore_acceptance_tests_file_read_2.txt',
'/tmp/filestore_acceptance_tests_file_read_3.txt',
]
const constantFileContents = [
[
'hello world',
`line 2 goes here ${Math.random()}`,
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'there are 3 lines in all',
].join('\n'),
[
`for reference: ${Math.random()}`,
'cats are the best animals',
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'wombats are a close second',
].join('\n'),
[
`another file: ${Math.random()}`,
'with multiple lines',
'the end',
].join('\n'),
]
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before(async function () {
return Promise.all([
fsWriteFile(localFileReadPaths[0], constantFileContents[0]),
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fsWriteFile(localFileReadPaths[1], constantFileContents[1]),
fsWriteFile(localFileReadPaths[2], constantFileContents[2]),
])
})
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beforeEach(async function () {
projectUrl = `${filestoreUrl}/project/${projectId}`
otherProjectUrl = `${filestoreUrl}/project/${otherProjectId}`
fileIds = [
ObjectId().toString(),
ObjectId().toString(),
ObjectId().toString(),
]
fileUrls = [
`${projectUrl}/file/${fileIds[0]}`,
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`${projectUrl}/file/${fileIds[1]}`,
]
otherFileUrls = [`${otherProjectUrl}/file/${fileIds[2]}`]
const writeStreams = [
request.post(fileUrls[0]),
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request.post(fileUrls[1]),
request.post(otherFileUrls[0]),
]
const readStreams = [
fs.createReadStream(localFileReadPaths[0]),
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fs.createReadStream(localFileReadPaths[1]),
fs.createReadStream(localFileReadPaths[2]),
]
// hack to consume the result to ensure the http request has been fully processed
const resultStreams = [
fs.createWriteStream('/dev/null'),
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fs.createWriteStream('/dev/null'),
fs.createWriteStream('/dev/null'),
]
return Promise.all([
pipeline(readStreams[0], writeStreams[0], resultStreams[0]),
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pipeline(readStreams[1], writeStreams[1], resultStreams[1]),
pipeline(readStreams[2], writeStreams[2], resultStreams[2]),
])
})
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it('should get the directory size', async function () {
const response = await rp.get(
`${filestoreUrl}/project/${projectId}/size`
)
expect(parseInt(JSON.parse(response.body)['total bytes'])).to.equal(
constantFileContents[0].length + constantFileContents[1].length
)
})
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it('should store the files', async function () {
for (const index in fileUrls) {
await expect(rp.get(fileUrls[index])).to.eventually.have.property(
'body',
constantFileContents[index]
)
}
})
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it('should be able to delete the project', async function () {
await expect(rp.delete(projectUrl)).to.eventually.have.property(
'statusCode',
204
)
for (const index in fileUrls) {
await expect(
rp.get(fileUrls[index])
).to.eventually.be.rejected.and.have.property('statusCode', 404)
}
})
it('should not delete files in other projects', async function () {
for (const index in otherFileUrls) {
await expect(
rp.get(otherFileUrls[index])
).to.eventually.have.property('statusCode', 200)
}
})
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it('should not delete a partial project id', async function () {
await expect(
rp.delete(`${filestoreUrl}/project/5`)
).to.eventually.be.rejected.and.have.property('statusCode', 400)
})
})
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describe('with a large file', function () {
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let fileId, fileUrl, largeFileContent, error
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beforeEach(async function () {
fileId = ObjectId().toString()
fileUrl = `${filestoreUrl}/project/${projectId}/file/${fileId}`
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largeFileContent = '_wombat_'.repeat(1024 * 1024) // 8 megabytes
largeFileContent += Math.random()
const writeStream = request.post(fileUrl)
const readStream = streamifier.createReadStream(largeFileContent)
// hack to consume the result to ensure the http request has been fully processed
const resultStream = fs.createWriteStream('/dev/null')
try {
await pipeline(readStream, writeStream, resultStream)
} catch (err) {
error = err
}
})
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it('should be able to get the file back', async function () {
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const response = await rp.get(fileUrl)
expect(response.body).to.equal(largeFileContent)
})
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it('should not throw an error', function () {
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expect(error).not.to.exist
})
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it('should not leak a socket', async function () {
await rp.get(fileUrl)
await expectNoSockets()
})
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it('should not leak a socket if the connection is aborted', async function () {
this.timeout(20000)
for (let i = 0; i < 5; i++) {
// test is not 100% reliable, so repeat
// create a new connection and have it time out before reading any data
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await new Promise(resolve => {
const streamThatHangs = new Stream.PassThrough()
const stream = request({ url: fileUrl, timeout: 1000 })
stream.pipe(streamThatHangs)
stream.on('error', () => {
stream.destroy()
streamThatHangs.destroy()
resolve()
})
})
await expectNoSockets()
}
})
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})
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if (backend === 'S3Persistor' || backend === 'FallbackGcsToS3Persistor') {
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describe('with a file in a specific bucket', function () {
let constantFileContent, fileId, fileUrl, bucketName
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beforeEach(async function () {
constantFileContent = `This is a file in a different S3 bucket ${Math.random()}`
fileId = ObjectId().toString()
bucketName = ObjectId().toString()
fileUrl = `${filestoreUrl}/bucket/${bucketName}/key/${fileId}`
const s3ClientSettings = {
credentials: {
accessKeyId: process.env.AWS_ACCESS_KEY_ID,
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secretAccessKey: process.env.AWS_SECRET_ACCESS_KEY,
},
endpoint: process.env.AWS_S3_ENDPOINT,
sslEnabled: false,
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s3ForcePathStyle: true,
}
const s3 = new S3(s3ClientSettings)
await s3
.createBucket({
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Bucket: bucketName,
})
.promise()
await s3
.upload({
Bucket: bucketName,
Key: fileId,
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Body: constantFileContent,
})
.promise()
})
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it('should get the file from the specified bucket', async function () {
const response = await rp.get(fileUrl)
expect(response.body).to.equal(constantFileContent)
})
})
}
if (backend === 'GcsPersistor') {
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describe('when deleting a file in GCS', function () {
let fileId, fileUrl, content, error, date
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beforeEach(async function () {
date = new Date()
tk.freeze(date)
fileId = ObjectId()
fileUrl = `${filestoreUrl}/project/${projectId}/file/${fileId}`
content = '_wombat_' + Math.random()
const writeStream = request.post(fileUrl)
const readStream = streamifier.createReadStream(content)
// hack to consume the result to ensure the http request has been fully processed
const resultStream = fs.createWriteStream('/dev/null')
try {
await pipeline(readStream, writeStream, resultStream)
await rp.delete(fileUrl)
} catch (err) {
error = err
}
})
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afterEach(function () {
tk.reset()
})
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it('should not throw an error', function () {
expect(error).not.to.exist
})
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it('should copy the file to the deleted-files bucket', async function () {
await TestHelper.expectPersistorToHaveFile(
app.persistor,
`${Settings.filestore.stores.user_files}-deleted`,
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`${projectId}/${fileId}-${date.toISOString()}`,
content
)
})
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it('should remove the file from the original bucket', async function () {
await TestHelper.expectPersistorNotToHaveFile(
app.persistor,
Settings.filestore.stores.user_files,
`${projectId}/${fileId}`
)
})
})
}
if (BackendSettings[backend].fallback) {
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describe('with a fallback', function () {
let constantFileContent,
fileId,
fileKey,
fileUrl,
bucket,
fallbackBucket
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beforeEach(function () {
constantFileContent = `This is yet more file content ${Math.random()}`
fileId = ObjectId().toString()
fileKey = `${projectId}/${fileId}`
fileUrl = `${filestoreUrl}/project/${projectId}/file/${fileId}`
bucket = Settings.filestore.stores.user_files
fallbackBucket = Settings.filestore.fallback.buckets[bucket]
})
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describe('with a file in the fallback bucket', function () {
beforeEach(async function () {
await TestHelper.uploadStringToPersistor(
app.persistor.fallbackPersistor,
fallbackBucket,
fileKey,
constantFileContent
)
})
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it('should not find file in the primary', async function () {
await TestHelper.expectPersistorNotToHaveFile(
app.persistor.primaryPersistor,
bucket,
fileKey
)
})
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it('should find the file in the fallback', async function () {
await TestHelper.expectPersistorToHaveFile(
app.persistor.fallbackPersistor,
fallbackBucket,
fileKey,
constantFileContent
)
})
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describe('when copyOnMiss is disabled', function () {
beforeEach(function () {
app.persistor.settings.copyOnMiss = false
})
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it('should fetch the file', async function () {
const res = await rp.get(fileUrl)
expect(res.body).to.equal(constantFileContent)
})
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it('should not copy the file to the primary', async function () {
await rp.get(fileUrl)
await TestHelper.expectPersistorNotToHaveFile(
app.persistor.primaryPersistor,
bucket,
fileKey
)
})
})
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describe('when copyOnMiss is enabled', function () {
beforeEach(function () {
app.persistor.settings.copyOnMiss = true
})
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it('should fetch the file', async function () {
const res = await rp.get(fileUrl)
expect(res.body).to.equal(constantFileContent)
})
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it('copies the file to the primary', async function () {
await rp.get(fileUrl)
// wait for the file to copy in the background
await msleep(1000)
await TestHelper.expectPersistorToHaveFile(
app.persistor.primaryPersistor,
bucket,
fileKey,
constantFileContent
)
})
})
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describe('when copying a file', function () {
let newFileId, newFileUrl, newFileKey, opts
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beforeEach(function () {
const newProjectID = ObjectId().toString()
newFileId = ObjectId().toString()
newFileUrl = `${filestoreUrl}/project/${newProjectID}/file/${newFileId}`
newFileKey = `${newProjectID}/${newFileId}`
opts = {
method: 'put',
uri: newFileUrl,
json: {
source: {
project_id: projectId,
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file_id: fileId,
},
},
}
})
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describe('when copyOnMiss is false', function () {
beforeEach(async function () {
app.persistor.settings.copyOnMiss = false
const response = await rp(opts)
expect(response.statusCode).to.equal(200)
})
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it('should leave the old file in the old bucket', async function () {
await TestHelper.expectPersistorToHaveFile(
app.persistor.fallbackPersistor,
fallbackBucket,
fileKey,
constantFileContent
)
})
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it('should not create a new file in the old bucket', async function () {
await TestHelper.expectPersistorNotToHaveFile(
app.persistor.fallbackPersistor,
fallbackBucket,
newFileKey
)
})
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it('should create a new file in the new bucket', async function () {
await TestHelper.expectPersistorToHaveFile(
app.persistor.primaryPersistor,
bucket,
newFileKey,
constantFileContent
)
})
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it('should not copy the old file to the primary with the old key', async function () {
// wait for the file to copy in the background
await msleep(1000)
await TestHelper.expectPersistorNotToHaveFile(
app.persistor.primaryPersistor,
bucket,
fileKey
)
})
})
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describe('when copyOnMiss is true', function () {
beforeEach(async function () {
app.persistor.settings.copyOnMiss = true
const response = await rp(opts)
expect(response.statusCode).to.equal(200)
})
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it('should leave the old file in the old bucket', async function () {
await TestHelper.expectPersistorToHaveFile(
app.persistor.fallbackPersistor,
fallbackBucket,
fileKey,
constantFileContent
)
})
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it('should not create a new file in the old bucket', async function () {
await TestHelper.expectPersistorNotToHaveFile(
app.persistor.fallbackPersistor,
fallbackBucket,
newFileKey
)
})
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it('should create a new file in the new bucket', async function () {
await TestHelper.expectPersistorToHaveFile(
app.persistor.primaryPersistor,
bucket,
newFileKey,
constantFileContent
)
})
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it('should copy the old file to the primary with the old key', async function () {
// wait for the file to copy in the background
await msleep(1000)
await TestHelper.expectPersistorToHaveFile(
app.persistor.primaryPersistor,
bucket,
fileKey,
constantFileContent
)
})
})
})
})
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describe('when sending a file', function () {
beforeEach(async function () {
const writeStream = request.post(fileUrl)
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const readStream =
streamifier.createReadStream(constantFileContent)
// hack to consume the result to ensure the http request has been fully processed
const resultStream = fs.createWriteStream('/dev/null')
await pipeline(readStream, writeStream, resultStream)
})
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it('should store the file on the primary', async function () {
await TestHelper.expectPersistorToHaveFile(
app.persistor.primaryPersistor,
bucket,
fileKey,
constantFileContent
)
})
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it('should not store the file on the fallback', async function () {
await TestHelper.expectPersistorNotToHaveFile(
app.persistor.fallbackPersistor,
fallbackBucket,
`${projectId}/${fileId}`
)
})
})
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describe('when deleting a file', function () {
describe('when the file exists on the primary', function () {
beforeEach(async function () {
await TestHelper.uploadStringToPersistor(
app.persistor.primaryPersistor,
bucket,
fileKey,
constantFileContent
)
})
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it('should delete the file', async function () {
const response = await rp.del(fileUrl)
expect(response.statusCode).to.equal(204)
await expect(
rp.get(fileUrl)
).to.eventually.be.rejected.and.have.property('statusCode', 404)
})
})
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describe('when the file exists on the fallback', function () {
beforeEach(async function () {
await TestHelper.uploadStringToPersistor(
app.persistor.fallbackPersistor,
fallbackBucket,
fileKey,
constantFileContent
)
})
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it('should delete the file', async function () {
const response = await rp.del(fileUrl)
expect(response.statusCode).to.equal(204)
await expect(
rp.get(fileUrl)
).to.eventually.be.rejected.and.have.property('statusCode', 404)
})
})
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describe('when the file exists on both the primary and the fallback', function () {
beforeEach(async function () {
await TestHelper.uploadStringToPersistor(
app.persistor.primaryPersistor,
bucket,
fileKey,
constantFileContent
)
await TestHelper.uploadStringToPersistor(
app.persistor.fallbackPersistor,
fallbackBucket,
fileKey,
constantFileContent
)
})
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it('should delete the files', async function () {
const response = await rp.del(fileUrl)
expect(response.statusCode).to.equal(204)
await expect(
rp.get(fileUrl)
).to.eventually.be.rejected.and.have.property('statusCode', 404)
})
})
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describe('when the file does not exist', function () {
it('should return return 204', async function () {
// S3 doesn't give us a 404 when the object doesn't exist, so to stay
// consistent we merrily return 204 ourselves here as well
const response = await rp.del(fileUrl)
expect(response.statusCode).to.equal(204)
})
})
})
})
}
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describe('with a pdf file', function () {
let fileId, fileUrl, localFileSize
const localFileReadPath = Path.resolve(
__dirname,
'../../fixtures/test.pdf'
)
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beforeEach(async function () {
fileId = ObjectId().toString()
fileUrl = `${filestoreUrl}/project/${projectId}/file/${fileId}`
const stat = await fsStat(localFileReadPath)
localFileSize = stat.size
const writeStream = request.post(fileUrl)
const endStream = fs.createWriteStream('/dev/null')
const readStream = fs.createReadStream(localFileReadPath)
await pipeline(readStream, writeStream, endStream)
})
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it('should be able get the file back', async function () {
const response = await rp.get(fileUrl)
expect(response.body.substring(0, 8)).to.equal('%PDF-1.5')
})
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if (['S3Persistor', 'GcsPersistor'].includes(backend)) {
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it('should record an egress metric for the upload', async function () {
const metric = await TestHelper.getMetric(
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filestoreUrl,
`${metricPrefix}_egress`
)
expect(metric - previousEgress).to.equal(localFileSize)
})
}
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describe('getting the preview image', function () {
this.timeout(1000 * 20)
let previewFileUrl
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beforeEach(function () {
previewFileUrl = `${fileUrl}?style=preview`
})
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it('should not time out', async function () {
const response = await rp.get(previewFileUrl)
expect(response.statusCode).to.equal(200)
})
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it('should respond with image data', async function () {
// note: this test relies of the imagemagick conversion working
const response = await rp.get(previewFileUrl)
expect(response.body.length).to.be.greaterThan(400)
expect(response.body.substr(1, 3)).to.equal('PNG')
})
})
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describe('warming the cache', function () {
this.timeout(1000 * 20)
let previewFileUrl
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beforeEach(function () {
previewFileUrl = `${fileUrl}?style=preview&cacheWarm=true`
})
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it('should not time out', async function () {
const response = await rp.get(previewFileUrl)
expect(response.statusCode).to.equal(200)
})
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it("should respond with only an 'OK'", async function () {
// note: this test relies of the imagemagick conversion working
const response = await rp.get(previewFileUrl)
expect(response.body).to.equal('OK')
})
})
})
})
})
})