Rails app uses Mailgun to send emails via a mailgun gem. I can retrieve emails in RSpec, but interacting with links using Capybara remains problematic. Example:
def trigger_notification
result = HTTP.post 'https://api.mailgun.net/v3/example.com/messages',
from: 'Notifier <[email protected]>',
to: '[email protected]',
subject: 'Test Alert',
body: 'Verifying Mailgun email dispatch.'
result
end
i ended up intercepting the html and then manually waiting for capybara to find the link. a bit device may be needed on delays. hope this steer u in right direction
In my own experience with email integration tests, I found that using a tool like capybara-email offers a reliable way of validating Mailgun delivery. The gem allows you to intercept the HTML email content and directly interact with its elements using Capybara, which simplifies the process and avoids the challenges of asynchronous email delivery. I configured my test environment to use a fake SMTP server so that the emails generated didn’t affect the live system. Parsing the intercepted email content provided a clear means to check for the presence of expected links and content, ensuring the integration worked as intended.
I faced a similar challenge when validating Mailgun email delivery. I resolved it by intercepting the outgoing email using an ActionMailer interceptor, then writing the email content to a temporary HTML file. Once saved, I opened that file using Capybara’s driver to verify link behavior and other content. This approach allowed for complete inspection without relying on live email service calls. Integrating these components required some initial configuration, but it ultimately provided a fully automated and reliable testing workflow for my Rails app.
i tried setting up a mailgun webhook to trigger capybara refresh. then verifying the link got injected properly in our app layout. working fine as long as you adjst waiting times, but its a neat way too mimic real email delvery.
In one project, I configured our test suite to dump the email content directly into a temporary file as soon as it was sent. This allowed me to use Capybara to visit the file and interact with the email’s HTML content. The main advantage was that it bypassed network latency and asynchronous issues inherent in real email delivery. Although it required some setup in the test environment, the method proved reliable and simplified the process by decoupling email sending from actual delivery events.