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Postman Articles
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How to set Test and Collection Runner in Postman?
We can add test verifications to the Response obtained from a request with the help of scripts. These scripts are incorporated in the Tests tab. The tests only get executed provided the request is successful.A test developed under the Tests tab is written in JavaScript. Once a request is sent, a Response is obtained along with the test results in the Test Results tab. Tests which have passed are marked in green and the failed ones are marked in red.Add the below JavaScript verifications within the Tests tab −tests["Status Code should be 200"] = responseCode.code === 200 tests["Response time lesser ...
Read MoreDifferent types of Asserts in Postman
There are different types of Asserts in Postman. We can add Assertions on different sections of the Response received. Some of the Assert types are listed below −Assert on Response Codepm.test["Status Code is 200"], function(){ pm.response.to.have.status(200) })The above assertion passes if the Response code is 200.pm.test["Status is OK"], function(){ pm.response.to.have.property('status', ' OK') })The above assertion is applied on the Response property – status with value as OK.Assert on Response timepm.test("Response time below 600 milliseconds", function () { pm.expect(pm.response.responseTime).to.be.below(600) })The above assertion passes if the Response time is below 600ms.Assert on Response Formatpm.test("Response is of JSON type ", ...
Read MoreExecuting Tests on Cookies in Postman
We can execute Tests on Cookies in Postman. Once a request gets executed for an endpoint, a Response gets generated. Within a Response, the cookie information gets generated under the Cookies tab.We can add Tests script around cookies and apply Assertions on them for verification. Test scripts are incorporated under the Tests tab. Let us add the below script to verify the value of cookie – Cookie_Postman.pm.test("Verify Cookie value", function(){ pm.expect(pm.cookies.get('Cookie_Postman')).to.eql('value1')})Send the Request. After the Response is received, navigate to the Tests tab. It shows the Assertion in our Test script failed as the expected value of the Cookie_Postman is ...
Read MoreHow to handle Infinite loops in Postman Workflow?
We can handle infinite loops in the Postman workflow. The requests in a Collection get executed in the order in which they appear. However, we can change the workflow with the help of the function - postman.setNextRequest().It is used to direct the next request to be executed. The name of the next request to be executed is passed as a parameter to this function.Syntax postman.setNextRequest("next request name")Let us take an example of a Collection having four requests -We would like Postman to change to a workflow such that the below requests are executed from top to bottom in the order listed ...
Read MoreHow to change the workflow in Postman?
In a Collection, the requests are executed in the sequence in which they are created. However, a workflow can be changed in Postman. To illustrate it, let us take a Collection having four requests.To trigger that Collection, click on the arrow appearing to the right of the name of the Collection in the sidebar. The Run button appears, click on it.The Collection Runner window gets launched. Within the RUN ORDERsection, the sequence in which the requests shall get executed is displayed from the top to bottom. In our example, the order is −GETPOSTPUTDELClick on Run Collection1.A new window appears containing ...
Read MoreGUID in Postman
GUID means Global Unique Identifier. It is in the form of a hexa-decima digit which is separated by hyphen. It helps to achieve distinctiveness due to this even if multiple people are creating the GUID simultaneously, the chance of having a duplicate GUID is rare.To generate a random value, using GUID, the format is −{ "name": "{{$guid}}" }On sending a request, it would produce a random value.GUID is a value with 128 bits having a structure defined in RFC4122. The structure of GUID is uncomplicated and simple for generation.The format of a GUID is shown below −xxxxxxxx-xxxx-Axxx-Bxxx-xxxxxxxxxxxxHere, A is ...
Read MorePostman Cheat Sheet
This Postman Cheat Sheet is based on the official documentation page of Postman (which is available in the below link) and from the overall knowledge on Postman −https://learning.postman.com/docs/getting-started/introduction/a. VariablesAll the variables can be set up manually from the GUI of Postman and they have a defined scope. The values of the variables can also be set with the help of scripts written under the Pre-request Script or Tests tab.The variables can be added in the request URL, Headers and Body in the format as {{}}.Usage in request URL −https://{{domain}}about/{{id}} Usage in request Headers(key-value): X-{{key}}:valueUsage in request Body −{"registration_id": "{{Id}}", "firstname": ...
Read MoreHow to use Global Variable in Postman Request?
We can use a Global variable in Postman Request. . We can set, get and clear a Global variable at runtime using the scripts. This is achieved by the pm.* function. The script to use a Global variable can be included either in the Tests or Pre-Request Script tabTo set a Global variable, the script should be −pm.globals.set('', '')To get the value of a Global variable, the script should be −pm.globals.get('')To get the value of the Global variable in the Postman console, the script should be −console.log(pm.globals.get('')To delete a Global variable, the script is −pm.globals.unset('')Let us try to work with ...
Read MoreHow to Add Cookies in Postman?
We can add cookies in Postman. To add a cookie, the below steps need to be followed −Step1 − Navigate to the Params tab below the address bar and then click on Cookies.Step2 − The MANAGE COOKIES window shall open. It lists down all the current cookies. To add a cookie, click on the Add Cookie button. An edit box with pre-populated values of the cookie are displayed. We can update the value and Save it.Step3 − Send the request to the server.Step4 − After the request has been successfully completed, the Cookies tab in the Response will show the ...
Read MoreGlobal Scope Variables in Postman?
The Global variables are the ones which can be used in every Environments and can be utilized for executing every request. Click on the eye icon available to the top right corner of the Postman application. In the below image, the Global variable g with value value1 is populated under the Globals section.Let us select another Environment – Environment_Test from the No Environment dropdown. Then again click on the eye icon. The Global variable g with value value1 should also be available for this Environment.Now, enter {{g}} in the address bar (with the Environment pointing to Environment_Test) and hover mouse ...
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