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Jasmine Cookbook

By : Munish Kumar
Book Image

Jasmine Cookbook

By: Munish Kumar

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Jasmine Cookbook
Munish Kumar
Apr, 2015 | 276 pages
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Table of Contents (16 chapters)
Jasmine Cookbook
Jasmine Cookbook
Credits
Credits
About the Author
About the Author
About the Reviewer
About the Reviewer
www.PacktPub.com
www.PacktPub.com
Preface
Preface
Free Chapter
1
Getting Started with Jasmine Framework
Getting Started with Jasmine Framework
Introduction
Writing your first Jasmine test
Adding specs to your Jasmine test
Adding expectations and matchers to the test
Applying different matchers to the Jasmine test
Applying setup and teardown functions to the Jasmine test
Using the "this" keyword
2
Jasmine with TDD and BDD Processes
Jasmine with TDD and BDD Processes
Introduction
Writing Jasmine tests using TDD and BDD processes
Creating a Jasmine test for new code using TDD and BDD
Designing Jasmine tests for existing code using TDD and BDD
Defining nested suites to write more meaningful specs
3
Customizing Matchers and Jasmine Functions
Customizing Matchers and Jasmine Functions
Introduction
Writing a Jasmine test using a custom equality tester function
Writing Jasmine tests with custom matchers
Writing Jasmine tests for exceptions
Declaring pending specs with Jasmine tests
4
Designing Specs from Requirement
Designing Specs from Requirement
Introduction
Writing useful specs by analyzing the test requirements
Implementing the Jasmine test corresponding to the specs
Applying Acceptance Criteria to the Jasmine test
Organizing Jasmine specs into groups and subgroups
5
Jasmine Spies
Jasmine Spies
Introduction
Writing Jasmine tests using the spyOn() method and special matchers for spies
Writing Jasmine tests using tracking properties
Writing Jasmine tests with your own custom spy method
Using jasmine.any and jasmine.objectContaining
Writing Jasmine tests to mock the JavaScript timeout functions
6
Jasmine with AJAX, jQuery, and Fixtures
Jasmine with AJAX, jQuery, and Fixtures
Introduction
Writing Jasmine specs for AJAX
Designing Jasmine specs with HTML and JSON fixtures
Writing Jasmine specs for jQuery
Writing Jasmine specs using custom jQuery matchers
Writing Jasmine specs for asynchronous operations using the done() function
7
Code Coverage with Jasmine Tests
Code Coverage with Jasmine Tests
Introduction
Configuring code coverage tools
Generating code coverage using karma and istanbul
Writing Jasmine specs for uncovered branches/code
Increasing code coverage for existing code
8
Jasmine with Other Tools
Jasmine with Other Tools
Introduction
Writing Jasmine tests for AngularJS
Using Jasmine with CoffeeScript
Writing Jasmine tests for Node.js
9
Developing JavaScript Apps Using Jasmine – a Real-time Scenario
Developing JavaScript Apps Using Jasmine – a Real-time Scenario
Introduction
Defining Jasmine specs corresponding to a user story
Implementing Jasmine specs with Web/HTML
Implementing Jasmine tests with a Data-Driven approach
Creating Jasmine tests for a change request
Index
Index

Introduction

A matcher is used to evaluate an assertion of an object. If the expected and actual values match, the assertion passes, or else, the assertion fails. Jasmine provides a rich set of built-in matchers to test JavaScript applications. To know more about Jasmine's built-in matchers, refer to the Applying different matchers to the Jasmine test recipe in Chapter 1, Getting Started with Jasmine Framework. In addition to the built-in matchers, Jasmine also provides various functions and enables you to create custom matchers to test JavaScript code. Custom matchers help to document the intent of the spec and can also help to remove code duplication across specs. In this chapter, we will investigate the need of such custom matchers and find out how to develop these in order to validate a specific test condition or scenario. In addition, you will learn how to test the scenarios that expect JavaScript exceptions to be thrown.

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