https://github.com/mailslurp/examples
{
"name": "javascript-email-screenshot",
"version": "1.0.0",
"description": "",
"main": "index.js",
"scripts": {
"test": "vitest -w=false"
},
"type": "module",
"keywords": [],
"author": "",
"license": "ISC",
"devDependencies": {
"jimp": "^0.22.12",
"mailslurp-client": "^15.20.0",
"vitest": "^1.5.0"
}
}
import {test, expect} from 'vitest'
import {writeFile} from 'fs/promises';
import {dirname, join} from 'path';
import {fileURLToPath} from 'url';
import Jimp from "jimp";
const __dirname = dirname(fileURLToPath(import.meta.url));
test('can take screenshot of an email', async () => {
//<gen>email_screenshot_setup
const MailSlurp = await import('mailslurp-client').then(m => m.default)
const mailslurp = new MailSlurp({apiKey: process.env.API_KEY})
//</gen>
//<gen>email_screenshot_create_email
// create an inbox
const inbox = await mailslurp.inboxController.createInboxWithOptions({
createInboxDto: {
expiresIn: 300_000
}
})
// send email to inbox
await mailslurp.sendEmail(inbox.id, {
to: [inbox.emailAddress],
subject: 'Welcome to my newsletter',
body: 'Hello Jack. This email is a test.'
})
//</gen>
//<gen>email_screenshot_wait_screenshot
// wait for email to arrive
const email = await mailslurp.waitForLatestEmail(inbox.id, 120_000, true)
// get a screenshot of the email
const screenshot = await mailslurp.emailController.getEmailScreenshotAsBase64({
emailId: email.id,
getEmailScreenshotOptions: {
height: 480,
width: 320
}
})
//</gen>
//<gen>email_screenshot_load_image_buffer
const imgBuffer = Buffer.from(screenshot.base64EncodedImage, 'base64')
//</gen>
//<gen>email_screenshot_diff
const pathExpected = join(__dirname, 'email-screenshot.expected.png')
const threshold = 0.2
const diff = Jimp.diff(await Jimp.read(imgBuffer), await Jimp.read(pathExpected), threshold);
expect(diff.percent).toBeLessThan(threshold)
//</gen>
}, 120_000)
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-include ../.env
node_modules:
npm install
docker:
test: node_modules
API_KEY=$(API_KEY) npm t