How to Stub IP in RSpec 3?

Stub Ip With Rspec 3 Image

Often when you are writing unit tests, you want to stub your IP address. Some of the uses cases could be – you are checking if IP is within the certain range. In this quick tutorial I want to show you how to stub ip in RSpec 3.x , and how it is different from stubbing IP using RSpec 2.x.

For RSpec 2.x  stubbing  IP would look like this:


Taken from here

However, if you try to do it in RSpec 3.x, it will give you an error since ‘any_instance‘ syntax is deprecated.

To stub the IP  in RSpec 3.x use this:

 allow_any_instance_of(ActionDispatch::Request).to receive(:remote_ip).and_return("")

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Anatoly Spektor

IT Consultant with 6 years experience in Software Development and IT Leadership. Participated in such projects as Eclipse IDE, Big Blue Button, Toronto 2015 Panam Games.

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