javascript - How to change Postman environment in pre-request script? - Stack Overflow

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I'm having several collections of REST queries and tests in postman, and for each collection I've created a set of environment variables. I wish to make sure the right environment is selected before running the tests. Is there a way to automatically switch between environments in pre-request script section?

I'm having several collections of REST queries and tests in postman, and for each collection I've created a set of environment variables. I wish to make sure the right environment is selected before running the tests. Is there a way to automatically switch between environments in pre-request script section?

• javascript
• testing
• automated-tests
• postman
• postman-pre-request-script

Share Improve this question Follow asked Nov 4, 2019 at 9:42 RoeyRoey 10311 silver badge66 bronze badges 1

• You set variables for Collections, so the best course of action, would be to have one collection with one set of variables for -dev, same for -stage and -production. – Anuga Commented Nov 4, 2019 at 9:48

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You can't switch environments from the pre-request script section.

That being said you can still check the name of the current environment with pm.environment.name; and stop the execution if it's not the one you expect, for example:

if(pm.environment.name !== "dev") {
   postman.setNextRequest(null);
}

You can set variables names by environment and specially the url of your REST API.

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