Free PDF Test iOS Apps with UI Automation: Bug Hunting Made Easy

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Test iOS Apps with UI Automation: Bug Hunting Made Easy

Free PDF Test iOS Apps with UI Automation: Bug Hunting Made Easy

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From the Author

Q: Why did you write *Test iOS Apps With UI Automation*?A: I love writing apps for iOS, and I love when I can have the computer help me automatically test my code as much as possible. When I first stumbled on Apple's UI Automation instrument, I was thrilled. I now use the tool on all my projects, slowly growing test suites that I run often to raise my confidence that I haven't broken anything, and recreating all kinds of scenarios while I check performance of the application in Instruments. I enjoy teaching about this topic and when the opportunity came up to write a book on it, I pounced.Q: I have an application that I want to test. Where do I start?A: A great place to start is to pick one or two paths a user takes through your application that are critical to its success. Recreate those in UI Automation scripts and run those tests often to protect against regression while you continue improving the app. Or, if you are trying to debug a performance problem in Instruments, use UI Automation scripts to quickly recreate the state of the bug while you go back and forth between Xcode and Instruments to zero in on what changes best improve the performance.Once you get the basics down, you can write more tests to cover the other behaviors, raising your confidence as you go along. Getting started is easy! You'll get enough practical use at the beginning that you'll keep going.Q: So, how do I write the tests?A: With JavaScript! Don't worry, it's not as bad as it sounds. This isn't like in the browser where you had to contend with the document object model and all the incompatibilities from the browser wars. This is a sandboxed JavaScript environment that runs inside of the UI Automation instrument. You app is exposed to you through an object oriented API that let you inspect and interact with what you see on the screen.Q: So, is this about unit testing?A: Nope. Unit testing is about writing fast executable tests for low level components of an application. That's where you can do extensive edge case testing because you're not wasting time waiting for UI animations or network access to complete. This book covers a flavor of integration testing, specifically scripting the application with interactions through the user interface.Q: Come on, do you really think I have time to write tests for my apps?A: Yes. :) Whether you're a solo dev, a small team, or a large company with a QA department, you're already walking through test plans before release. Why not have the computer do some of the work for you? Tools like UI Automation help reproduce scenarios the same way every time. Whether we want to recreate steps to demonstrate performance regressions, or lock down the right behavior, automated testing is a great way to aid your sanity and free your focus for other things.Q: Is this the only way to do integration-style testing for iOS?A: No, not at all! There are many options out there that take advantage of other toolchains and languages to write the best tests possible. UI Automation is unique because of it's integration with Instruments and I leverage that in the book to great effect.Regardless, there is excellent information in here that can help you with whatever testing tools you use on your projects. Like stubbing external dependencies and setting up application state, these kinds of challenges are universal to all automated testing environments.

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About the Author

Jonathan Penn is a software developer with a long history of quality work sprinkled with mischief. When not consulting with clients, he speaks at conferences, is the mad scientist behind the featured apps at navel-labs.com, and is scribbler-in-chief at cocoamanifest.net, a technical blog for exceptional iOS resources and commentary.

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Product details

Paperback: 200 pages

Publisher: Pragmatic Bookshelf; 1 edition (August 11, 2013)

Language: English

ISBN-10: 1937785521

ISBN-13: 978-1937785529

Product Dimensions:

7.5 x 0.5 x 9.2 inches

Shipping Weight: 14.4 ounces

Average Customer Review:

5.0 out of 5 stars

5 customer reviews

Amazon Best Sellers Rank:

#2,020,141 in Books (See Top 100 in Books)

This book has made creating iOS Automation scripts much easier than it would have been with the Apple Instruments User Guide alone. Although, I do think reading the Apple Instruments User Guide is worthwhile. The Instruments User Guide gives you a nice overview of Instruments, but does not come close to the information this book provides on UI automation. I also recommend checking out the Apple UI Automation JavaScript Reference. At least breeze through it to get an idea of what it contains.The book starts off by jumping right into capturing a script from the simulator and provides a nice overview of the Instrument's trace-document window.Then Chapter 2 jumps right in to creating automated acceptance-test scripts using JavaScript, which is the language used for UI Automation.One thing I must admit is that because of the book's size I really underestimated how valuable the information would be and how many topics would be covered. I normally only list the chapter to give you an idea of what the book covers, but for this review I have also include the sections in each chapter.Chapter 1: UI Automation Overview1.1 Capturing Our First Script from the Simulator1.2 Finding Our Way around UI AutomationChapter 2: Testing Behavior with UI Automation2.1 Talking to the UI through JavaScript2.2 Reporting Errors2.3 Verifying that the Test Does What It SaysChapter 3: Building a Test Suite3.1 Testing with a Modal Alert View3.2 Importing Script Files at Runtime3.3 Testing Results from a Live API3.4 Grouping Test Steps and Their OutputChapter 4: Organizing Test Code4.1 Starting a JavaScript Toolbox4.2 Describing the App with Screen Objects4.3 Reusing a Generic Screen Prototype4.4 Converting Our Test Suite to Screen ObjectsChapter 5: Maps, Gestures, and Alerts5.1 Exploring the Map5.2 Identifying Elements with Accessibility APIs5.3 Testing with Gestures5.4 Advanced Alert-HandlingChapter 6: Strategies for Testing Universal Apps6.1 Universalizing an Application6.2 Finding Elements in the New Idiom6.3 Building an iPad Test Suite with Reusable Pieces6.4 Searching the Element Tree with Predicates6.5 Advanced Predicate Usage and BeyondChapter 7: Automating Performance Tests7.1 Setting Up Custom Instruments Templates7.2 Capturing Steps to Reproduce a Memory Leak7.3 Triggering Simulator Memory Warnings with AppleScript7.4 Stress TestingChapter 8: Setting Up Application Data8.1 Seeding Data in Xcode with Application Data Packages8.2 Seeding Data Dynamically with a Factory8.3 Choose Your Own Adventure with Environment Variables8.4 Hiding Test-Setup Code from ReleaseChapter 9: Stubbing External Services9.1 Choosing a Geographical Location9.2 Faking a Network-Service API9.3 Wrapping Service APIs in a Facade9.4 Stubbing a Facade with Data in the App BundleChapter 10: Command-Line Workflow10.1 Practicing with the Raw Commands10.2 Automating the Build-and-Run Process with Rake10.3 Reading Environment Variables from Script Files10.4 Resetting the Simulator to Test Permissions10.5 Running Tests on an Attached DeviceChapter 11: Third-Party Tools and Beyond11.1 Enhancing UI Automation11.2 Testing outside the BoxAs you can see above the author covers a ton of topics. He also covers them in-depth. There is no filler text in this book. The author also has an excellent writing style which makes reading the text a pleasure.Although the coverage of Instruments and writing scripts is what this book is all about, I must say the real value is the author's understanding of what it takes to do automated testing. If you have no experience with how difficult it can be, I would recommend reading Experiences of Test Automation: Case Studies of Software Test Automation.The book covers most of the things you must think about when you are including automated testing in your development process. Often times the organization of the testing scripts is overlooked and before you know it you are spending more time fixing your tests than you are writing your code. In the chapter Organizing Test Code, the author does a great job of showing you how to organize your code by building a JavaScript Toolbox.When building universal applications you must build test scripts that account for the iPad and the iPhone interface. The chapter Strategies for Testing Universal Apps shows you how to do that.With iOS performance is always one of the top quality attributes we need to give a lot of attention to. The chapter Automating Performance Tests shows us just how to do that. I also like that the author introduced custom templates in this chapter.A few months ago one of our development teams asked us to write some Load Runner scripts for their application. It is a big COTS application that took 1.5 years to customize and configure, and that was only about 30% of what they had originally planned to do in 1 year. We gave them the list of what they would need to supply, which included a lot of things, but setting up application data and handling external services were included in the list. After they saw the list of what we would require from them for us to implement a test suite they decided not to move forward.The source code examples the author supplies is organized and very usable. The code is broken down by chapters, and then within each chapter each it is broken down into steps.Right now one of the projects I am on has outsourced the development of the project's iOS and Android development. Our team is just creating the services the devices will communicate with. As we get new builds of the iOS app to be tested, it is really nice having the scripts setup to run through the scenarios that should work, and also those that shouldn't work. Running the scripts makes sure nothing unexpected happened, and if it did, we can stop that build from going to the testers and save them a lot of time.All in all this book is a must read for the iOS architect, developer, and tester.

I recently ordered this book and really liked it. I was totally new to UIAutomation and this book covered it really well. I would highly recommend it. The book has lot of code scripts that we keep enhancing as we read more chapters and the author has done a good job at explaining the code.

As a software engineer with a focus on testing, I expected to not gain much from this book. I was wrong. Not only does Mr. Penn cover the basics of testing, but he also goes more in depth with ios-specific tips and tricks that I know I will ise .

This is the best book on UIAutomation out there. If you are doing iOS development and you are wondering how to do acceptance tests or any other kind of GUI-based tests, then you need to buy this book.UIAutomation is a fantastic set of features from Apple. The bad news is that the documentation is really bad. This book fixes that.

This book does a great job of explaining UI Automation and making it easy to understand. If you want to make your apps better through automated testing, this is definitely the place to start.

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Test iOS Apps with UI Automation: Bug Hunting Made Easy PDF