location_city Bengaluru schedule Mar 10th 03:30 - 05:00 PM IST place Mysore Hall 3 people 12 Interested

Many people agree that one important outcome of Behavior Driven Development is a set of regression tests to demonstrate the desired behavior and ensure that it is maintained over time. Then they often struggle to do so in a manner that remains maintainable as the system and the test code grows larger. Sometimes they even abandon their tests and start over, repeatedly.

In this session we'll examine the evolutionary history of an application and its test suite. We'll stop at various stages in its life to consider the choices we might make to address growing complexity.

We'll work using Cucumber-JVM and Java in order to be accessible to a large audience. You can apply these concepts in other languages and test frameworks. Rather than depending on having enough laptops set up, we'll use mob programming to enable everyone's participation.

If you'd prefer exploring on your own machine, bring your laptop loaded and ready to go.  Clone the code repository from https://github.com/gdinwiddie/EquineHoroscope to get the code and its history.  Unzip http://idiacomputing.com/pub/EquineHoroscopeJars.zip in the same directory for the dependencies.  (Download sample at https://leanpub.com/EvolutionaryAnatomy/ for even more detailed instructions.) I'll be using Eclipse, and the instructions are tuned for that, but you can use any Java IDE.

Bonus: Participants will receive a coupon for a free e-book on the material.

 
 

Outline/Structure of the Workshop

This session is about the ways in which test automation needs change as the codebase and the tests gain size and complexity. It explores a codebase that's large enough to demonstrate some of the issues that arise beyond the typical tutorial. At the end, it shows that the Agile Testing Pyramid is a result of good test design decisions rather than a driver of decisions.

 - Starting
    - It starts with an Idea
    - From one brain to another
    - Example Mapping
    - Rules and Examples

 - Developing From Nothing
    - The Simplest Scenario
    - What have we accomplished?
    - Dropping down to “Programmer Tests”

 - External Dependencies
    - The Problem with External Dependencies
    - Isolating our Code
    - Breaking the Problem in Half
    - Remaining Risks

 - Simplifying Scenarios
    - Permutations tested sufficiently at a lower level
    - Cases covered by more advanced tests might be obsolete
    - Cases that better identify a problem might be worth keeping
    - Non-deterministic tests ‘might’ be useful

 - Refactoring Tests

 - Evolving Structure
    - Two Layer Tests
    - Cohesive Feature Files
    - Three Layer Tests
    - Utility classes
    - System adapters
    - Four Layer Tests

 - Writing For The Future
    - Readable Code
    - Naming Tests
    - Organizing Scenarios into Features

Learning Outcome

How to evolve the design of your test code
How and when to shift focus between business and programmer levels
Extracting "helper" code out of test scenarios
Giving meaningful shape to "helper" code
Articulating layers of test code

Target Audience

Programmers and Testers interested in test automation

Slides


Video


schedule Submitted 6 years ago

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