Evaluating the functionality of download links using Nightwatch.js

My goal is to create an automated test using Nightwatch.js to validate the functionality of software download links. Instead of downloading the files, I simply want to confirm that the links are returning a 200 HTTP response, indicating that they are directing users to the correct location.

Does anyone have suggestions for testing downloadable file links with Nightwatch.js?

Below is the current setup I have:

/**
 * Test Software Downloads
 * 
 * Verify that software downloads are working 
 */

module.exports = {
    "Download redirect links": function (browser) {

        // download links
        var downloadLinks = {
            "software-download-latest-mac": "http://downloads.company.com/mac/latest/",
            "software-download-latest-linux": "http://downloads.company.com/linux/latest/",
            "software-download-latest-win32": "http://downloads.company.com/windows/32/latest/",
            "software-download-latest-win64": "http://downloads.company.com/windows/64/latest/"
        };

        // loop through download links
        for (var key in downloadLinks) {
            if (downloadLinks.hasOwnProperty(key)) {

                // test each link's status
                browser
                    .url(downloadLinks[key]);
            }
        }

        // end testing
        browser.end();
    }
};
javascriptseleniumnightwatch.js

Answer №1

  1. Utilize the `http` module to create a "HEAD" request
  2. For instance: verify the file size

test.js

var http = require("http");

module.exports = {
  "Is file available" : function (client) {
    var request = http.request({
        host: "www.google.com",
        port: 80,
        path: "/images/srpr/logo11w.png",
        method: "HEAD"
    }, function (response) {
      client
        .assert.equal(response.headers["content-length"], 14022, 'Same file size');
      client.end();
    }).on("error", function (err) {
      console.log(err);
      client.end();
    }).end();
  }
};

References

  • Verify file existence on FTPS site using cURL
  • E2E test case for downloading PDF file with Protractor
  • Cease downloading data in Node.js request

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