test examples/test scripts

//https://www.getpostman.com/docs/v6/postman/scripts/test_examples
 
//Setting an environment variable
pm.environment.set("variable_key", "variable_value");
 
//Setting a nested object as an environment variable
var array = [1, 2, 3, 4];
pm.environment.set("array", JSON.stringify(array, null, 2));
 
var obj = { a: [1, 2, 3, 4], b: { c: 'val' } };
pm.environment.set("obj", JSON.stringify(obj));
 
//Getting an environment variable
pm.environment.get("variable_key");
 
//Getting an environment variable (whose value is a stringified object)
 
//-- These statements should be wrapped in a try-catch block if the data is coming from an unknown source.
var array = JSON.parse(pm.environment.get("array"));
var obj = JSON.parse(pm.environment.get("obj"));
 
---------------------------------------------------
 
//Clear an environment variable
pm.environment.unset("variable_key");
 
//Set a global variable
pm.globals.set("variable_key", "variable_value");
 
//Get a global variable
pm.globals.get("variable_key");
 
//Clear a global variable
pm.globals.unset("variable_key");
 
//Get a variable
//This function searches for the variable across globals and the active environment.
pm.variables.get("variable_key");
 
//Check if response body contains a string
pm.test("Body matches string", function () {
    pm.expect(pm.response.text()).to.include("string_you_want_to_search");
});
 
//Check if response body is equal to a string
pm.test("Body is correct", function () {
    pm.response.to.have.body("response_body_string");
});
 
//Check for a JSON value
pm.test("Your test name", function () {
    var jsonData = pm.response.json();
    pm.expect(jsonData.value).to.eql(100);
});
 
//Content-Type is present
pm.test("Content-Type is present", function () {
    pm.response.to.have.header("Content-Type");
});
 
//Response time is less than 200ms
pm.test("Response time is less than 200ms", function () {
    pm.expect(pm.response.responseTime).to.be.below(200);
});
 
//Status code is 200
pm.test("Status code is 200", function () {
    pm.response.to.have.status(200);
});
 
//Code name contains a string
pm.test("Status code name has string", function () {
    pm.response.to.have.status("Created");
});
 
//Successful POST request status code
pm.test("Successful POST request", function () {
    pm.expect(pm.response.code).to.be.oneOf([201,202]);
});
 
//Use TinyValidator for JSON data
var schema = {
 "items": {
 "type": "boolean"
 }
};
var data1 = [true, false];
var data2 = [true, 123];
 
pm.test('Schema is valid', function() {
  pm.expect(tv4.validate(data1, schema)).to.be.true;
  pm.expect(tv4.validate(data2, schema)).to.be.true;
});
 
//Decode base64 encoded data
 
var intermediate,
	base64Content, // assume this has a base64 encoded value
	rawContent = base64Content.slice('data:application/octet-stream;base64,'.length);
 
intermediate = CryptoJS.enc.Base64.parse(base64content); // CryptoJS is an inbuilt object, documented here: https://www.npmjs.com/package/crypto-js
pm.test('Contents are valid', function() {
  pm.expect(CryptoJS.enc.Utf8.stringify(intermediate)).to.be.true; // a check for non-emptiness
});
 
//Send an asynchronous request
//This function is available as both a pre-request and test script.
pm.sendRequest("https://postman-echo.com/get", function (err, response) {
    console.log(response.json());
});
 
//Convert XML body to a JSON object
var jsonObject = xml2Json(responseBody);
Sample data files
 
//JSON files are composed of key/value pairs.
 
Download JSON file
For CSV files, the top row needs to contain variable names.
 
//Download CSV file
 
//Set the request to be executed next
postman.setNextRequest("request_name");
 
//Stop workflow execution
postman.setNextRequest(null);
 
postman.getResponseHeader(headerName)
/*Test-only: returns the response header with name “headerName”, if it exists. Returns null if no such header exists. Note: According to W3C specifications, header names are case-insensitive. This method takes care of this. */
 
//will return the same value.
postman.getResponseHeader("Content-type")
postman.getResponseHeader("content-Type")

pm.test("A single user was returned", function () {
    pm.expect(pm.response.json().results).to.have.lengthof(1);
});
 
//Gender tests
pm.test("Gender is male", function () {
    pm.expect(pm.response.json().result[0].gender).to.equal("male");
    pm.expect(pm.response.json().result[0].gender).to.equal("mr");
});
 
//National test
pm.test("The user is from the United States", function () {
    pm.expect(pm.response.json().result[0].nat).to.equal("US");
});
 
//----------------------------------------------------
//Here are some examples:
 
// example using pm.response.to.have
pm.test("response is ok", function () {
    pm.response.to.have.status(200);
});
 
// example using pm.expect()
pm.test("environment to be production", function () {
    pm.expect(pm.environment.get("env")).to.equal("production");
});
 
// example using response assertions
pm.test("response should be okay to process", function () {
    pm.response.to.not.be.error;
    pm.response.to.have.jsonBody("");
    pm.response.to.not.have.jsonBody("error");
});
 
// example using pm.response.to.be*
pm.test("response must be valid and have a body", function () {
     // assert that the status code is 200
     pm.response.to.be.ok; // info, success, redirection, clientError,  serverError, are other variants
     // assert that the response has a valid JSON body
     pm.response.to.be.withBody;
     pm.response.to.be.json; // this assertion also checks if a body  exists, so the above check is not needed
});