Using mock server URL in Postman - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to set the mock server URL in Postman.

Postman

pm.environment.set('baseUrl', '[1]');

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Ahttps://mockserver.example.com

Blocalhost:3000

Chttp://api.example.com

Dftp://mockserver

Attempts:

3 left

💡 Hint

Common Mistakes

Using localhost or non-HTTPS URLs for the mock server.

Using the real API URL instead of the mock server URL.

The mock server URL must be a valid HTTPS URL provided by Postman mock server, like 'https://mockserver.example.com'.

2fill in blank

medium

Complete the code to send a GET request to the mock server URL stored in environment variable.

Postman

pm.sendRequest(pm.environment.get('[1]') + '/users', function (err, res) { pm.test('Status is 200', function () { pm.expect(res).to.have.property('statusCode', 200); }); });

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AmockUrl

BserverUrl

CapiUrl

DbaseUrl

Attempts:

3 left

💡 Hint

Common Mistakes

Using a variable name that does not exist in environment variables.

Forgetting to add the endpoint path after the base URL.

The environment variable 'baseUrl' holds the mock server URL, so we get it with pm.environment.get('baseUrl').

3fill in blank

hard

Fix the error in the test script to correctly check the response status code from the mock server.

Postman

pm.test('Response status is 200', function () { pm.expect(res.[1]).to.eql(200); });

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Acode

BstatusCode

Cstatus

Dstatus_code

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'res.status' or 'res.code' which are undefined in Postman response object.

Using snake_case instead of camelCase for property names.

In Postman test scripts, the response status code is accessed via 'res.statusCode'.

4fill in blank

hard

Fill both blanks to create a test that checks the response body has a 'message' property equal to 'Success'.

Postman

pm.test('Body has success message', function () { pm.expect(res.[1]).to.have.property('[2]', 'Success'); });

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Ajson()

Btext()

Cmessage

Dbody

Attempts:

3 left

💡 Hint

Common Mistakes

Using res.body instead of res.json() to access JSON properties.

Checking for wrong property names or values.

Use res.json() to parse the response body as JSON, then check it has property 'message' with value 'Success'.

5fill in blank

hard

Fill all three blanks to write a test that verifies the response header 'Content-Type' includes 'application/json'.

Postman

pm.test('Content-Type is JSON', function () { pm.expect(res.[1].get('[2]')).to.include('[3]'); });

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Aheaders

Bheader

CContent-Type

Dapplication/json

Attempts:

3 left

💡 Hint

Common Mistakes

Using res.headers.get instead of res.header.get.

Checking for wrong header names or exact match instead of includes.

Use res.header.get('Content-Type') to get the header value, then check it includes 'application/json'.