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toolkit/packages/artifact/__tests__/download.test.ts

491 lines
16 KiB
TypeScript

import * as core from '@actions/core'
import * as http from 'http'
import * as io from '../../io/src/io'
import * as net from 'net'
import * as path from 'path'
import * as configVariables from '../src/internal/config-variables'
import {promises as fs} from 'fs'
import {DownloadItem} from '../src/internal/download-specification'
import {HttpClient, HttpClientResponse} from '@actions/http-client'
import {DownloadHttpClient} from '../src/internal/download-http-client'
import {
ListArtifactsResponse,
QueryArtifactResponse
} from '../src/internal/contracts'
import * as stream from 'stream'
import {gzip} from 'zlib'
import {promisify} from 'util'
const root = path.join(__dirname, '_temp', 'artifact-download-tests')
const defaultEncoding = 'utf8'
jest.mock('../src/internal/config-variables')
jest.mock('@actions/http-client')
describe('Download Tests', () => {
beforeAll(async () => {
await io.rmRF(root)
await fs.mkdir(path.join(root), {
recursive: true
})
// mock all output so that there is less noise when running tests
jest.spyOn(console, 'log').mockImplementation(() => {})
jest.spyOn(core, 'debug').mockImplementation(() => {})
jest.spyOn(core, 'info').mockImplementation(() => {})
jest.spyOn(core, 'warning').mockImplementation(() => {})
jest.spyOn(core, 'error').mockImplementation(() => {})
})
/**
* Test Listing Artifacts
*/
it('List Artifacts - Success', async () => {
setupSuccessfulListArtifactsResponse()
const downloadHttpClient = new DownloadHttpClient()
const artifacts = await downloadHttpClient.listArtifacts()
expect(artifacts.count).toEqual(2)
const artifactNames = artifacts.value.map(item => item.name)
expect(artifactNames).toContain('artifact1-name')
expect(artifactNames).toContain('artifact2-name')
for (const artifact of artifacts.value) {
if (artifact.name === 'artifact1-name') {
expect(artifact.url).toEqual(
`${configVariables.getRuntimeUrl()}_apis/pipelines/1/runs/1/artifacts?artifactName=artifact1-name`
)
} else if (artifact.name === 'artifact2-name') {
expect(artifact.url).toEqual(
`${configVariables.getRuntimeUrl()}_apis/pipelines/1/runs/1/artifacts?artifactName=artifact2-name`
)
} else {
throw new Error(
'Invalid artifact combination. This should never be reached'
)
}
}
})
it('List Artifacts - Failure', async () => {
setupFailedResponse()
const downloadHttpClient = new DownloadHttpClient()
expect(downloadHttpClient.listArtifacts()).rejects.toThrow(
'List Artifacts failed: Artifact service responded with 400'
)
})
/**
* Test Container Items
*/
it('Container Items - Success', async () => {
setupSuccessfulContainerItemsResponse()
const downloadHttpClient = new DownloadHttpClient()
const response = await downloadHttpClient.getContainerItems(
'artifact-name',
configVariables.getRuntimeUrl()
)
expect(response.count).toEqual(2)
const itemPaths = response.value.map(item => item.path)
expect(itemPaths).toContain('artifact-name')
expect(itemPaths).toContain('artifact-name/file1.txt')
for (const containerEntry of response.value) {
if (containerEntry.path === 'artifact-name') {
expect(containerEntry.itemType).toEqual('folder')
} else if (containerEntry.path === 'artifact-name/file1.txt') {
expect(containerEntry.itemType).toEqual('file')
} else {
throw new Error(
'Invalid container combination. This should never be reached'
)
}
}
})
it('Container Items - Failure', async () => {
setupFailedResponse()
const downloadHttpClient = new DownloadHttpClient()
expect(
downloadHttpClient.getContainerItems(
'artifact-name',
configVariables.getRuntimeUrl()
)
).rejects.toThrow(
`Get Container Items failed: Artifact service responded with 400`
)
})
it('Test downloading an individual artifact with gzip', async () => {
const fileContents = Buffer.from(
'gzip worked on the first try\n',
defaultEncoding
)
const targetPath = path.join(root, 'FileA.txt')
setupDownloadItemResponse(fileContents, true, 200, false, false)
const downloadHttpClient = new DownloadHttpClient()
const items: DownloadItem[] = []
items.push({
sourceLocation: `${configVariables.getRuntimeUrl()}_apis/resources/Containers/13?itemPath=my-artifact%2FFileA.txt`,
targetPath
})
await expect(
downloadHttpClient.downloadSingleArtifact(items)
).resolves.not.toThrow()
await checkDestinationFile(targetPath, fileContents)
})
it('Test downloading an individual artifact without gzip', async () => {
const fileContents = Buffer.from(
'plaintext worked on the first try\n',
defaultEncoding
)
const targetPath = path.join(root, 'FileB.txt')
setupDownloadItemResponse(fileContents, false, 200, false, false)
const downloadHttpClient = new DownloadHttpClient()
const items: DownloadItem[] = []
items.push({
sourceLocation: `${configVariables.getRuntimeUrl()}_apis/resources/Containers/13?itemPath=my-artifact%2FFileB.txt`,
targetPath
})
await expect(
downloadHttpClient.downloadSingleArtifact(items)
).resolves.not.toThrow()
await checkDestinationFile(targetPath, fileContents)
})
it('Test retryable status codes during artifact download', async () => {
// The first http response should return a retryable status call while the subsequent call should return a 200 so
// the download should successfully finish
const retryableStatusCodes = [429, 500, 502, 503, 504]
for (const statusCode of retryableStatusCodes) {
const fileContents = Buffer.from('try, try again\n', defaultEncoding)
const targetPath = path.join(root, `FileC-${statusCode}.txt`)
setupDownloadItemResponse(fileContents, false, statusCode, false, true)
const downloadHttpClient = new DownloadHttpClient()
const items: DownloadItem[] = []
items.push({
sourceLocation: `${configVariables.getRuntimeUrl()}_apis/resources/Containers/13?itemPath=my-artifact%2FFileC.txt`,
targetPath
})
await expect(
downloadHttpClient.downloadSingleArtifact(items)
).resolves.not.toThrow()
await checkDestinationFile(targetPath, fileContents)
}
})
it('Test retry on truncated response with gzip', async () => {
const fileContents = Buffer.from(
'Sometimes gunzip fails on the first try\n',
defaultEncoding
)
const targetPath = path.join(root, 'FileD.txt')
setupDownloadItemResponse(fileContents, true, 200, true, true)
const downloadHttpClient = new DownloadHttpClient()
const items: DownloadItem[] = []
items.push({
sourceLocation: `${configVariables.getRuntimeUrl()}_apis/resources/Containers/13?itemPath=my-artifact%2FFileD.txt`,
targetPath
})
await expect(
downloadHttpClient.downloadSingleArtifact(items)
).resolves.not.toThrow()
await checkDestinationFile(targetPath, fileContents)
})
it('Test retry on truncated response without gzip', async () => {
const fileContents = Buffer.from(
'You have to inspect the content-length header to know if you got everything\n',
defaultEncoding
)
const targetPath = path.join(root, 'FileE.txt')
setupDownloadItemResponse(fileContents, false, 200, true, true)
const downloadHttpClient = new DownloadHttpClient()
const items: DownloadItem[] = []
items.push({
sourceLocation: `${configVariables.getRuntimeUrl()}_apis/resources/Containers/13?itemPath=my-artifact%2FFileD.txt`,
targetPath
})
await expect(
downloadHttpClient.downloadSingleArtifact(items)
).resolves.not.toThrow()
await checkDestinationFile(targetPath, fileContents)
})
/**
* Helper used to setup mocking for the HttpClient
*/
async function emptyMockReadBody(): Promise<string> {
return new Promise(resolve => {
resolve()
})
}
/**
* Setups up HTTP GET response for a successful listArtifacts() call
*/
function setupSuccessfulListArtifactsResponse(): void {
jest.spyOn(HttpClient.prototype, 'get').mockImplementationOnce(async () => {
const mockMessage = new http.IncomingMessage(new net.Socket())
let mockReadBody = emptyMockReadBody
mockMessage.statusCode = 201
const response: ListArtifactsResponse = {
count: 2,
value: [
{
containerId: '13',
size: -1,
signedContent: 'false',
fileContainerResourceUrl: `${configVariables.getRuntimeUrl()}_apis/resources/Containers/13`,
type: 'actions_storage',
name: 'artifact1-name',
url: `${configVariables.getRuntimeUrl()}_apis/pipelines/1/runs/1/artifacts?artifactName=artifact1-name`
},
{
containerId: '13',
size: -1,
signedContent: 'false',
fileContainerResourceUrl: `${configVariables.getRuntimeUrl()}_apis/resources/Containers/13`,
type: 'actions_storage',
name: 'artifact2-name',
url: `${configVariables.getRuntimeUrl()}_apis/pipelines/1/runs/1/artifacts?artifactName=artifact2-name`
}
]
}
const returnData: string = JSON.stringify(response, null, 2)
mockReadBody = async function(): Promise<string> {
return new Promise(resolve => {
resolve(returnData)
})
}
return new Promise<HttpClientResponse>(resolve => {
resolve({
message: mockMessage,
readBody: mockReadBody
})
})
})
}
/**
* Setups up HTTP GET response for downloading items
* @param isGzip is the downloaded item gzip encoded
* @param firstHttpResponseCode the http response code that should be returned
*/
function setupDownloadItemResponse(
fileContents: Buffer,
isGzip: boolean,
firstHttpResponseCode: number,
truncateFirstResponse: boolean,
retryExpected: boolean
): void {
const spyInstance = jest
.spyOn(HttpClient.prototype, 'get')
.mockImplementationOnce(async () => {
if (firstHttpResponseCode === 200) {
const fullResponse = await constructResponse(isGzip, fileContents)
const actualResponse = truncateFirstResponse
? fullResponse.subarray(0, 3)
: fullResponse
return {
message: getDownloadResponseMessage(
firstHttpResponseCode,
isGzip,
fullResponse.length,
actualResponse
),
readBody: emptyMockReadBody
}
} else {
return {
message: getDownloadResponseMessage(
firstHttpResponseCode,
false,
0,
null
),
readBody: emptyMockReadBody
}
}
})
// set up a second mock only if we expect a retry. Otherwise this mock will affect other tests.
if (retryExpected) {
spyInstance.mockImplementationOnce(async () => {
// chained response, if the HTTP GET function gets called again, return a successful response
const fullResponse = await constructResponse(isGzip, fileContents)
return {
message: getDownloadResponseMessage(
200,
isGzip,
fullResponse.length,
fullResponse
),
readBody: emptyMockReadBody
}
})
}
}
async function constructResponse(
isGzip: boolean,
plaintext: Buffer | string
): Promise<Buffer> {
if (isGzip) {
return await promisify(gzip)(plaintext)
} else if (typeof plaintext === 'string') {
return Buffer.from(plaintext, defaultEncoding)
} else {
return plaintext
}
}
function getDownloadResponseMessage(
httpResponseCode: number,
isGzip: boolean,
contentLength: number,
response: Buffer | null
): http.IncomingMessage {
let readCallCount = 0
const mockMessage = <http.IncomingMessage>new stream.Readable({
read(size) {
switch (readCallCount++) {
case 0:
if (!!response && response.byteLength > size) {
throw new Error(
`test response larger than requested size (${size})`
)
}
this.push(response)
break
default:
// end the stream
this.push(null)
break
}
}
})
mockMessage.statusCode = httpResponseCode
mockMessage.headers = {
'content-length': contentLength.toString()
}
if (isGzip) {
mockMessage.headers['content-encoding'] = 'gzip'
}
return mockMessage
}
/**
* Setups up HTTP GET response when querying for container items
*/
function setupSuccessfulContainerItemsResponse(): void {
jest.spyOn(HttpClient.prototype, 'get').mockImplementationOnce(async () => {
const mockMessage = new http.IncomingMessage(new net.Socket())
let mockReadBody = emptyMockReadBody
mockMessage.statusCode = 201
const response: QueryArtifactResponse = {
count: 2,
value: [
{
containerId: 10000,
scopeIdentifier: '00000000-0000-0000-0000-000000000000',
path: 'artifact-name',
itemType: 'folder',
status: 'created',
dateCreated: '2020-02-06T22:13:35.373Z',
dateLastModified: '2020-02-06T22:13:35.453Z',
createdBy: '82f0bf89-6e55-4e5a-b8b6-f75eb992578c',
lastModifiedBy: '82f0bf89-6e55-4e5a-b8b6-f75eb992578c',
itemLocation: `${configVariables.getRuntimeUrl()}/_apis/resources/Containers/10000?itemPath=artifact-name&metadata=True`,
contentLocation: `${configVariables.getRuntimeUrl()}/_apis/resources/Containers/10000?itemPath=artifact-name`,
contentId: ''
},
{
containerId: 10000,
scopeIdentifier: '00000000-0000-0000-0000-000000000000',
path: 'artifact-name/file1.txt',
itemType: 'file',
status: 'created',
dateCreated: '2020-02-06T22:13:35.373Z',
dateLastModified: '2020-02-06T22:13:35.453Z',
createdBy: '82f0bf89-6e55-4e5a-b8b6-f75eb992578c',
lastModifiedBy: '82f0bf89-6e55-4e5a-b8b6-f75eb992578c',
itemLocation: `${configVariables.getRuntimeUrl()}/_apis/resources/Containers/10000?itemPath=artifact-name%2Ffile1.txt&metadata=True`,
contentLocation: `${configVariables.getRuntimeUrl()}/_apis/resources/Containers/10000?itemPath=artifact-name%2Ffile1.txt`,
contentId: ''
}
]
}
const returnData: string = JSON.stringify(response, null, 2)
mockReadBody = async function(): Promise<string> {
return new Promise(resolve => {
resolve(returnData)
})
}
return new Promise<HttpClientResponse>(resolve => {
resolve({
message: mockMessage,
readBody: mockReadBody
})
})
})
}
/**
* Setups up HTTP GET response for a generic failed request
*/
function setupFailedResponse(): void {
jest.spyOn(HttpClient.prototype, 'get').mockImplementationOnce(async () => {
const mockMessage = new http.IncomingMessage(new net.Socket())
mockMessage.statusCode = 400
return new Promise<HttpClientResponse>(resolve => {
resolve({
message: mockMessage,
readBody: emptyMockReadBody
})
})
})
}
async function checkDestinationFile(
targetPath: string,
expectedContents: Buffer
): Promise<void> {
const fileContents = await fs.readFile(targetPath)
expect(fileContents.byteLength).toEqual(expectedContents.byteLength)
expect(fileContents.equals(expectedContents)).toBeTruthy()
}
})