Rails port of testing environment

Question

I'd like to test the HTTP API of our Rails app using Faraday and RSpec. Faraday needs the host url + port. Unfortunately the port of the testing environment does always change. How do I access the current port programmatically in the spec?

Accepted Answer

If using Capybara you can set the port in the spec_helper.rb like so:

```
Capybara.server_port = 1234
```

See also: https://github.com/jnicklas/capybara/pull/123

Rails port of testing environment

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