Environment variables in Postman - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to access an environment variable named 'api_key' in Postman test script.

Postman

const apiKey = pm.environment.get('[1]');

Drag options to blanks, or click blank then click option'

Aapi_key

BAPI_KEY

Capikey

Dkey_api

Attempts:

3 left

💡 Hint

Common Mistakes

Using uppercase or different spelling for the variable name.

Trying to access variables without using pm.environment.get().

In Postman, environment variables are accessed by their exact name using pm.environment.get(). Here, the variable name is 'api_key'.

2fill in blank

medium

Complete the code to set an environment variable 'session_id' to '12345' in Postman test script.

Postman

pm.environment.[1]('session_id', '12345');

Drag options to blanks, or click blank then click option'

Aget

Bset

Cunset

Dclear

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'get' instead of 'set' to assign a value.

Using methods that remove variables instead of setting them.

To assign a value to an environment variable in Postman, use pm.environment.set() with the variable name and value.

3fill in blank

hard

Fix the error in the code to remove an environment variable named 'token' in Postman test script.

Postman

pm.environment.[1]('token');

Drag options to blanks, or click blank then click option'

Aclear

Bremove

Cdelete

Dunset

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'delete' or 'remove' which are not valid Postman methods.

Using 'clear' which removes all variables, not one.

To remove an environment variable in Postman, use pm.environment.unset() with the variable name.

4fill in blank

hard

Fill both blanks to check if environment variable 'user_id' exists and log its value in Postman test script.

Postman

if (pm.environment.[1]('user_id')) {
  console.log(pm.environment.[2]('user_id'));
}

Drag options to blanks, or click blank then click option'

Aget

Bset

Cunset

Dhas

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'get' to check existence instead of 'has'.

Using 'set' or 'unset' incorrectly in this context.

Use pm.environment.has() to check if a variable exists, and pm.environment.get() to retrieve its value.

5fill in blank

hard

Fill all three blanks to update environment variable 'count' by incrementing its value by 1 in Postman test script.

Postman

let count = parseInt(pm.environment.[1]('count') || '0');
count = count [2] 1;
pm.environment.[3]('count', count.toString());

Drag options to blanks, or click blank then click option'

Aget

B+

Cset

D-

Attempts:

3 left

💡 Hint

Common Mistakes

Using subtraction instead of addition.

Forgetting to convert the number to string before setting.

Using wrong methods like 'unset' or 'has' in this context.

First, get the current value with get. Then add 1 using +. Finally, update the variable with set.