Video: Playwright Email Testing Guide

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This Talk discusses how to test mail service with Playwright, covering e-mail verification, reset password user journey, and more. It explores the use of third-party providers for reliable e-mail delivery and demonstrates how Playwright can help perform checks on e-mail content. The Talk also introduces the concept of a fake SMTP server and showcases how fixtures can be used to access the SMTP server and perform assertions on the HTML body of emails. Playwright's HTML rendering feature allows for interaction with email content as if it were a regular web page. It highlights the ability to render HTML from API calls, perform assertions on the rendered page, and exclude dynamically generated data from visual regression tests.

This talk has been presented at TestJS Summit 2022, check out the latest edition of this JavaScript Conference.

FAQ

In Playwright, fixtures refer to reusable contexts or configurations used in tests. For email testing, a fixture can be set up with a specific base URL and HTTP headers to interact with a fake SMTP server. This allows Playwright tests to simulate and verify email interactions within a controlled environment.

Some of the third-party email service providers mentioned include Amazon SES, MailChimp, Postmark, and SendGrid. These services are commonly used for their reliability in delivering emails such as newsletters, order confirmations, and other notifications.

Using Playwright for email verification offers multiple benefits including the ability to automate and validate user journeys involving email interactions, such as account creation or password resets. It supports detailed content verification, interaction testing, and ensures that emails meet design and functionality requirements.

Playwright can retrieve email content from a fake SMTP server and then render the HTML body of the email in a simulated browser environment. This allows developers to interact with the email as if it was a web page, enabling detailed testing of elements like links, buttons, and visual styles.

A fake SMTP server acts as a testing tool that captures and stores emails sent by an application in a test environment. This allows developers to verify email functionalities and content without sending real emails, thus facilitating safe and isolated testing of email handling within applications.

Playwright is a tool used for browser automation and end-to-end testing. In the context of email services, Playwright can be utilized to automate the verification of email functionalities such as link activation, password resets, and content accuracy. It allows for checking HTML content and interactions within a simulated environment.

Kat Kmiotek
Kat Kmiotek
17 min
03 Nov, 2022

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