{"id":11369,"date":"2026-08-10T10:31:19","date_gmt":"2026-08-10T10:31:19","guid":{"rendered":"https:\/\/nokobox.com\/index.php\/item\/udemy-mastering-jest-testing-with-typescript-and-node-js-2025-5\/"},"modified":"2026-08-10T10:31:19","modified_gmt":"2026-08-10T10:31:19","slug":"udemy-mastering-jest-testing-with-typescript-and-node-js-2025-5","status":"publish","type":"digital_item","link":"https:\/\/nokobox.com\/index.php\/item\/udemy-mastering-jest-testing-with-typescript-and-node-js-2025-5\/","title":{"rendered":"Udemy \u2013 Mastering Jest Testing with TypeScript and Node.js 2025-5"},"content":{"rendered":"<div class=\"w-post-elm post_content\">\n<h2 dir=\"ltr\" style=\"text-align: left\"><span dir=\"auto\" style=\"vertical-align: inherit\">Description<\/span><\/h2>\n<p dir=\"ltr\" style=\"text-align: left\"><span dir=\"auto\" style=\"vertical-align: inherit\">Mastering Jest Testing with TypeScript and Node.js. This comprehensive course introduces you to the principles and techniques of writing tests in modern Node.js environments using Jest and TypeScript. From initial project setup and configuration of TypeScript and Jest to writing structured tests for complex functions, classes, and errors, all essential topics are covered. You\u2019ll work with test structure, lifecycle hooks, core Jest methods like `describe`, `it`, and `expect`, as well as concepts like the AAA pattern and test doubles (including Mock, Spy, and Stub). You\u2019ll also learn error handling techniques, testing mocked services, and validating API responses. Upon completion of this course, you\u2019ll be able to write reliable, professional tests for TypeScript and Node.js applications.<\/span><\/p>\n<h3 dir=\"ltr\" style=\"text-align: left\"><span dir=\"auto\" style=\"vertical-align: inherit\">What you will learn<\/span><\/h3>\n<ul dir=\"ltr\" style=\"text-align: left\">\n<li><span dir=\"auto\" style=\"vertical-align: inherit\">Setting up and configuring Jest for a TypeScript-based Node.js project.<\/span><\/li>\n<li><span dir=\"auto\" style=\"vertical-align: inherit\">Write unit and integration tests using Jest\u2019s core methods and adapters.<\/span><\/li>\n<li><span dir=\"auto\" style=\"vertical-align: inherit\">Effective use of test doubles such as mocks, stubs, fakes, and spies.<\/span><\/li>\n<li><span dir=\"auto\" style=\"vertical-align: inherit\">Implement and test robust error handling for real applications.<\/span><\/li>\n<\/ul>\n<h3 dir=\"ltr\" style=\"text-align: left\"><span dir=\"auto\" style=\"vertical-align: inherit\">This course is suitable for people who:<\/span><\/h3>\n<ul dir=\"ltr\" style=\"text-align: left\">\n<li><span dir=\"auto\" style=\"vertical-align: inherit\">This course is perfect for JavaScript or TypeScript developers who want to learn how to write high-quality, automated tests using Jest in Node.js projects. Whether you\u2019re a beginner at testing or a developer who\u2019s written a few tests but never felt confident with mocking, spying, or handling real errors \u2013 this course is for you.<\/span><\/li>\n<\/ul>\n<h3 dir=\"ltr\" style=\"text-align: left\"><span dir=\"auto\" style=\"vertical-align: inherit\">Course details: Mastering Jest Testing with TypeScript and Node.js<\/span><\/h3>\n<ul dir=\"ltr\" style=\"text-align: left\">\n<li><span dir=\"auto\" style=\"vertical-align: inherit\">Publisher:&nbsp; <\/span><a href=\"https:\/\/href.li\/?https:\/\/www.udemy.com\/course\/mastering-jest-testing-with-typescript-and-nodejs\/?couponCode=KEEPLEARNING\" target=\"_blank\" rel=\"noopener\"><span dir=\"auto\" style=\"vertical-align: inherit\">Udemy<\/span><\/a><\/li>\n<li><span dir=\"auto\" style=\"vertical-align: inherit\">Instructor:&nbsp; <\/span><a class=\"ud-btn ud-btn-medium ud-btn-link ud-heading-sm ud-text-sm ud-instructor-links\" href=\"https:\/\/downloadlynet.ir\/tag\/janis-smilga\/\" data-position=\"1\"><span class=\"ud-btn-label\"><span dir=\"auto\" style=\"vertical-align: inherit\">J\u0101nis Smilga<\/span><\/span><\/a><\/li>\n<li><span dir=\"auto\" style=\"vertical-align: inherit\">Training level: Beginner to advanced<\/span><\/li>\n<li><span dir=\"auto\" style=\"vertical-align: inherit\">Training duration: 3 hours and 57 minutes<\/span><\/li>\n<li><span dir=\"auto\" style=\"vertical-align: inherit\">Number of lessons: 29<\/span><\/li>\n<\/ul>\n<h3 dir=\"ltr\" style=\"text-align: left\"><span dir=\"auto\" style=\"vertical-align: inherit\">Course topics<\/span><\/h3>\n<h3 dir=\"ltr\" style=\"text-align: left\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-996045 size-full\" src=\"https:\/\/downloadly.ir\/wp-content\/uploads\/2025\/07\/Mastering-Jest-Testing-with-TypeScript-and-Node.js1_.jpg\" alt=\"Mastering Jest Testing with TypeScript and Node.js\" width=\"880\" height=\"517\"><\/h3>\n<h3 dir=\"ltr\" style=\"text-align: left\"><span dir=\"auto\" style=\"vertical-align: inherit\">Prerequisites for the Mastering Jest Testing with TypeScript and Node.js course<\/span><\/h3>\n<ul dir=\"ltr\" style=\"text-align: left\">\n<li dir=\"ltr\" style=\"text-align: left\"><span dir=\"auto\" style=\"vertical-align: inherit\">Basic understanding of JavaScript and TypeScript. You should be comfortable with functions, variables, and basic types)<\/span><\/li>\n<li dir=\"ltr\" style=\"text-align: left\"><span dir=\"auto\" style=\"vertical-align: inherit\">Familiarity with Node.js and using the terminal\/command line<\/span><\/li>\n<li dir=\"ltr\" style=\"text-align: left\"><span dir=\"auto\" style=\"vertical-align: inherit\">A code editor like VS Code and Node.js installed on your machine<\/span><\/li>\n<li dir=\"ltr\" style=\"text-align: left\"><span dir=\"auto\" style=\"vertical-align: inherit\">No prior testing experience is required \u2014 we\u2019ll start from the ground up!<\/span><\/li>\n<\/ul>\n<h3 dir=\"ltr\" style=\"text-align: left\"><span dir=\"auto\" style=\"vertical-align: inherit\">Course images<\/span><\/h3>\n<h3 dir=\"ltr\" style=\"text-align: left\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-996046 size-full\" src=\"https:\/\/downloadly.ir\/wp-content\/uploads\/2025\/07\/Mastering-Jest-Testing-with-TypeScript-and-Nodejs.jpg\" alt=\"Mastering Jest Testing with TypeScript and Node.js\" width=\"862\" height=\"394\"><\/h3>\n<h3 dir=\"ltr\" style=\"text-align: left\"><span dir=\"auto\" style=\"vertical-align: inherit\">Sample course video<\/span><\/h3>\n<div style=\"width: 640px;\" class=\"wp-video\"><span class=\"mejs-offscreen\">Video Player<\/span><\/p>\n<div id=\"mep_0\" class=\"mejs-container mejs-container-keyboard-inactive wp-video-shortcode mejs-video\" tabindex=\"0\" role=\"application\" aria-label=\"Video Player\" style=\"width: 640px; height: 360px; min-width: 217px;\">\n<div class=\"mejs-inner\">\n<div class=\"mejs-mediaelement\"><mediaelementwrapper id=\"video-171161-1\"><video class=\"wp-video-shortcode\" id=\"video-171161-1_html5\" width=\"640\" height=\"360\" preload=\"metadata\" src=\"https:\/\/dl.downloadly.ir\/Files\/Elearning\/Sample\/Mastering_Jest_Testing_with_TypeScript_and_Node.js_Downloadly.ir.mp4?_=1\" style=\"width: 640px; height: 360px;\"><source type=\"video\/mp4\" src=\"https:\/\/dl.downloadly.ir\/Files\/Elearning\/Sample\/Mastering_Jest_Testing_with_TypeScript_and_Node.js_Downloadly.ir.mp4?_=1\"><a href=\"https:\/\/dl.downloadly.ir\/Files\/Elearning\/Sample\/Mastering_Jest_Testing_with_TypeScript_and_Node.js_Downloadly.ir.mp4?nocache=1786140618466\">https:\/\/dl.downloadly.ir\/Files\/Elearning\/Sample\/Mastering_Jest_Testing_with_TypeScript_and_Node.js_Downloadly.ir.mp4<\/a><\/video><\/mediaelementwrapper><\/div>\n<div class=\"mejs-layers\">\n<div class=\"mejs-poster mejs-layer\" style=\"display: none; width: 100%; height: 100%;\"><\/div>\n<div class=\"mejs-overlay mejs-layer\" style=\"display: none; width: 100%; height: 100%;\">\n<div class=\"mejs-overlay-loading\"><span class=\"mejs-overlay-loading-bg-img\"><\/span><\/div>\n<\/div>\n<div class=\"mejs-overlay mejs-layer\" style=\"display: none; width: 100%; height: 100%;\">\n<div class=\"mejs-overlay-error\"><\/div>\n<\/div>\n<div class=\"mejs-overlay mejs-layer mejs-overlay-play\" style=\"width: 100%; height: 100%;\">\n<div class=\"mejs-overlay-button\" role=\"button\" tabindex=\"0\" aria-label=\"Play\" aria-pressed=\"false\"><\/div>\n<\/div>\n<\/div>\n<div class=\"mejs-controls\">\n<div class=\"mejs-button mejs-playpause-button mejs-play\"><button type=\"button\" aria-controls=\"mep_0\" title=\"Play\" aria-label=\"Play\" tabindex=\"0\"><\/button><\/div>\n<div class=\"mejs-time mejs-currenttime-container\" role=\"timer\" aria-live=\"off\"><span class=\"mejs-currenttime\">00:00<\/span><\/div>\n<div class=\"mejs-time-rail\"><span class=\"mejs-time-total mejs-time-slider\" role=\"slider\" tabindex=\"0\" aria-label=\"Time Slider\" aria-valuemin=\"0\" aria-valuemax=\"0\" aria-valuenow=\"0\" aria-valuetext=\"00:00\"><span class=\"mejs-time-buffering\" style=\"display: none;\"><\/span><span class=\"mejs-time-loaded\"><\/span><span class=\"mejs-time-current\"><\/span><span class=\"mejs-time-hovered no-hover\"><\/span><span class=\"mejs-time-handle\"><span class=\"mejs-time-handle-content\"><\/span><\/span><span class=\"mejs-time-float\"><span class=\"mejs-time-float-current\">00:00<\/span><span class=\"mejs-time-float-corner\"><\/span><\/span><\/span><\/div>\n<div class=\"mejs-time mejs-duration-container\"><span class=\"mejs-duration\">00:00<\/span><\/div>\n<div class=\"mejs-button mejs-volume-button mejs-mute\"><button type=\"button\" aria-controls=\"mep_0\" title=\"Mute\" aria-label=\"Mute\" tabindex=\"0\"><\/button><a href=\"javascript:void(0);\" class=\"mejs-volume-slider\" aria-label=\"Volume Slider\" aria-valuemin=\"0\" aria-valuemax=\"100\" role=\"slider\" aria-orientation=\"vertical\"><span class=\"mejs-offscreen\">Use Up\/Down Arrow keys to increase or decrease volume.<\/span><\/p>\n<div class=\"mejs-volume-total\">\n<div class=\"mejs-volume-current\" style=\"bottom: 0px; height: 100%;\"><\/div>\n<div class=\"mejs-volume-handle\" style=\"bottom: 100%; margin-bottom: -3px;\"><\/div>\n<\/div>\n<p><\/a><\/div>\n<div class=\"mejs-button mejs-fullscreen-button\"><button type=\"button\" aria-controls=\"mep_0\" title=\"Fullscreen\" aria-label=\"Fullscreen\" tabindex=\"0\"><\/button><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div dir=\"ltr\" style=\"text-align: left\">\n<h3><span dir=\"auto\" style=\"vertical-align: inherit\">Installation Guide<\/span><\/h3>\n<p><span dir=\"auto\" style=\"vertical-align: inherit\">After Extract, view with your favorite player.<\/span><\/p>\n<p><span dir=\"auto\" style=\"vertical-align: inherit\">Subtitles: English<\/span><\/p>\n<p><span dir=\"auto\" style=\"vertical-align: inherit\">Quality: 720p<\/span><\/p>\n<\/div>\n<h3 dir=\"ltr\" style=\"text-align: left\"><span dir=\"auto\" style=\"vertical-align: inherit\">Download link<\/span><\/h3>\n<p dir=\"ltr\" style=\"text-align: left\"><a href=\"https:\/\/dl.downloadly.ir\/Files\/Elearning\/Udemy_Mastering_Jest_Testing_with_TypeScript_and_Node.js_2025-5.part1_Downloadly.ir.rar?nocache=1786140617\"><span dir=\"auto\" style=\"vertical-align: inherit\">Download Part 1 \u2013 1 GB<\/span><\/a><\/p>\n<p dir=\"ltr\" style=\"text-align: left\"><a href=\"https:\/\/dl.downloadly.ir\/Files\/Elearning\/Udemy_Mastering_Jest_Testing_with_TypeScript_and_Node.js_2025-5.part2_Downloadly.ir.rar?nocache=1786140617\"><span dir=\"auto\" style=\"vertical-align: inherit\">Download Part 2 \u2013 1 GB<\/span><\/a><\/p>\n<p dir=\"ltr\" style=\"text-align: left\"><a href=\"https:\/\/dl.downloadly.ir\/Files\/Elearning\/Udemy_Mastering_Jest_Testing_with_TypeScript_and_Node.js_2025-5.part3_Downloadly.ir.rar?nocache=1786140617\"><span dir=\"auto\" style=\"vertical-align: inherit\">Download Part 3 \u2013 635 MB<\/span><\/a><\/p>\n<p dir=\"ltr\" style=\"text-align: left\"><span dir=\"auto\" style=\"vertical-align: inherit\">File(s) password: www.downloadly.ir<\/span><\/p>\n<h3 dir=\"ltr\" style=\"text-align: left\"><span dir=\"auto\" style=\"vertical-align: inherit\">File size<\/span><\/h3>\n<p dir=\"ltr\" style=\"text-align: left\"><span dir=\"auto\" style=\"vertical-align: inherit\">2.6 GB<\/span><\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Description Mastering Jest Testing with TypeScript and Node.js. This comprehensive course introduces you to the principles and techniques of writing tests in mo<\/p>\n","protected":false},"author":1,"template":"","dgi_category":[10458],"dgi_tag":[94892,94893,94894,94895,94896,93174],"class_list":["post-11369","digital_item","type-digital_item","status-publish","has-post-thumbnail","hentry","dgi_category-video-tutorials","dgi_tag-course-mastering-jest-testing-with-typescript-and-node-js","dgi_tag-download-course-mastering-jest-testing-with-typescript-and-node-js","dgi_tag-download-mastering-jest-testing-with-typescript-and-node-js","dgi_tag-free-download-mastering-jest-testing-with-typescript-and-node-js","dgi_tag-free-mastering-jest-testing-with-typescript-and-node-js","dgi_tag-janis-smilga"],"_links":{"self":[{"href":"https:\/\/nokobox.com\/index.php\/wp-json\/wp\/v2\/digital_item\/11369","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/nokobox.com\/index.php\/wp-json\/wp\/v2\/digital_item"}],"about":[{"href":"https:\/\/nokobox.com\/index.php\/wp-json\/wp\/v2\/types\/digital_item"}],"author":[{"embeddable":true,"href":"https:\/\/nokobox.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"version-history":[{"count":0,"href":"https:\/\/nokobox.com\/index.php\/wp-json\/wp\/v2\/digital_item\/11369\/revisions"}],"wp:attachment":[{"href":"https:\/\/nokobox.com\/index.php\/wp-json\/wp\/v2\/media?parent=11369"}],"wp:term":[{"taxonomy":"dgi_category","embeddable":true,"href":"https:\/\/nokobox.com\/index.php\/wp-json\/wp\/v2\/dgi_category?post=11369"},{"taxonomy":"dgi_tag","embeddable":true,"href":"https:\/\/nokobox.com\/index.php\/wp-json\/wp\/v2\/dgi_tag?post=11369"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}