PeerTube/shared/extra-utils/miscs/email.ts

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import { ChildProcess, fork } from 'child_process'
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import { join } from 'path'
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import { randomInt } from '../../core-utils/miscs/miscs'
import { parallelTests } from '../server/servers'
class MockSmtpServer {
private static instance: MockSmtpServer
private started = false
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private emailChildProcess: ChildProcess
private emails: object[]
private constructor () {
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this.emailChildProcess = fork(join(__dirname, 'email-child-process'), [])
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this.emailChildProcess.on('message', (msg: any) => {
if (msg.email) {
return this.emails.push(msg.email)
}
})
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process.on('exit', () => this.kill())
}
collectEmails (emailsCollection: object[]) {
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return new Promise<number>((res, rej) => {
const port = parallelTests() ? randomInt(1000, 2000) : 1025
if (this.started) {
this.emails = emailsCollection
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return res(undefined)
}
// ensure maildev isn't started until
// unexpected exit can be reported to test runner
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this.emailChildProcess.send({ start: true, port })
this.emailChildProcess.on('exit', () => {
return rej(new Error('maildev exited unexpectedly, confirm port not in use'))
})
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this.emailChildProcess.on('message', (msg: any) => {
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if (msg.err) return rej(new Error(msg.err))
this.started = true
this.emails = emailsCollection
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return res(port)
})
})
}
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kill () {
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if (!this.emailChildProcess) return
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process.kill(this.emailChildProcess.pid)
this.emailChildProcess = null
MockSmtpServer.instance = null
}
static get Instance () {
return this.instance || (this.instance = new this())
}
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}
// ---------------------------------------------------------------------------
export {
MockSmtpServer
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}