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Jasmine Cookbook

By : Munish Kumar

4.3 (7)

Jasmine Cookbook

4.3 (7)

By: Munish Kumar

Overview of this book

If you are a competent JavaScript developer who wants to design and implement tests using Jasmine in order to minimize bugs in the production environment, then this book is ideal for you. Some familiarity with unit testing and code coverage concepts such as branch coverage along with basic knowledge of Node.js, AngularJS, and CoffeeScript is required.

Preface

Preface

What this book covers

What you need for this book

Who this book is for

Sections

Conventions

Reader feedback

Customer support

Free Chapter

1. Getting Started with Jasmine Framework

1. 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

2. 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

3. 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

4. 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

5. 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

6. 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

7. 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

8. 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

9. 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

Preface

Today, application quality is a major concern among organizations. Lack of quality not only affects one's credibility but is also detrimental for end users and business operations. It is very important to develop applications by applying best practices and effective processes, and exercising the entire code base before deploying it on the production.

Jasmine is an open source Behavior-Driven Development (BDD) framework for testing JavaScript applications. It encourages good testing practices and application development using a BDD approach. Jasmine provides a rich set of libraries to design and develop tests for JavaScript (or JavaScript-enabled platform) applications. The entire application code can be exercised to ensure the quality and correctness of functional behavior. Jasmine also provides the mechanism to define custom functions and spies to test end-to-end (E2E) scenarios.

This book is written to get you up and running with Jasmine faster than any other book. Each chapter focuses on a specific aspect of Jasmine and is broken down into easy-to-follow recipes. While most chapters make use of previous skills that you'll have learnt from earlier the text, you don't necessarily need to read each chapter in order. Each recipe begins with the explicit steps that you need to accomplish the goal of the recipe, followed by an explanation as well as some other ideas you may wish to explore on your own.

Lastly, let's focus on building high-quality apps with Jasmine to minimize defect leakage in production. All you need is this book, a computer with Jasmine, and a constructive mind.

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