backend_and_cms/frontend/tests/utils/mailcatcher.ts

60 lines
1.2 KiB
TypeScript

import type { APIRequestContext } from "@playwright/test"
type Email = {
id: number
recipients: string[]
subject: string
}
async function findEmail({
request,
filter,
}: { request: APIRequestContext; filter?: (email: Email) => boolean }) {
const response = await request.get("http://localhost:1080/messages")
let emails = await response.json()
if (filter) {
emails = emails.filter(filter)
}
const email = emails[emails.length - 1]
if (email) {
return email as Email
}
return null
}
export function findLastEmail({
request,
filter,
timeout = 5000,
}: {
request: APIRequestContext
filter?: (email: Email) => boolean
timeout?: number
}) {
const timeoutPromise = new Promise<never>((_, reject) =>
setTimeout(
() => reject(new Error("Timeout while trying to get latest email")),
timeout,
),
)
const checkEmails = async () => {
while (true) {
const emailData = await findEmail({ request, filter })
if (emailData) {
return emailData
}
// Wait for 100ms before checking again
await new Promise((resolve) => setTimeout(resolve, 100))
}
}
return Promise.race([timeoutPromise, checkEmails()])
}