How to set and get environment variables in Jmeter to test API's

问题

I need to set and get variables in Jmeter for API automation.

I am using the groovy script for same.

I have achieved same using code as below:

import org.apache.jmeter.util.JMeterUtils;

JMeterUtils.setProperty("PC_CREATED_PROMO_CODE", "shubhamvalue");

log.info("will it work? ="+JMeterUtils.getProperty("PC_CREATED_PROMO_CODE"))

Now the problem is I am not able to see the value in any contanier where I can set my hardcode values like token, baseURL, Headers. it should be similar we do in SOAP-UI or postman tests.

Please let me know if I can see these setProperty values in file/section/container in Jmeter.

Or suggest me any other workaround which is more feasible for same.

Any workaround will be helpful and appreciated in advance.

回答1:

If you need to get and set variables I would recommend using vars shorthand

As per documentation

Properties are not the same as variables. Variables are local to a thread; properties are common to all threads, and need to be referenced using the __P or __property function.

So I would suggest setting variables as: vars.put('foo', 'bar') and accessing them as ${foo} where required as my expectation is that you will be getting different PC_CREATED_PROMO_CODE for each thread (virtual user)

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Also be aware that it is also recommended to avoid scripting where possible so consider going for JSON Extractor instead.

回答2:

To view properties in file/section you can use 2 functions __property or__P while the second will return 1 as default. in your case

${__property(PC_CREATED_PROMO_CODE)}

${__P(PC_CREATED_PROMO_CODE)}

For example you can change next sampler name to Post2 ${__property(PC_CREATED_PROMO_CODE)}

BTW you can set property use props instead

 props.setProperty("PC_CREATED_PROMO_CODE", "shubhamvalue" )

Example of use in HTTP Header Manager, adding cotentType from property:

回答3:

1) In JMeter GUI mode, under WorkBench, create Property Display by WorkBench > Add > Non-Test Elements > Property Display. Then select JMeter Properties checkbox to view all the exist properties

props.put("shubhamKey", "shubhamValue")

When you execute this code the property will set in a property file and you can see it in below location:

WorkBench > Add > Non-Test Elements > Property Display.

2) Now if you are want to use User Defined Variables in your scripts you can call value like below:

vars.get("shubhamUserKey")

Still looking to set the value from code in User Defined Variables

来源：https://stackoverflow.com/questions/48441512/how-to-set-and-get-environment-variables-in-jmeter-to-test-apis