A practical guide to testing in Modern Perl

Introduction

1. Who should read this book
2. What this book is about
3. What this book is not about

The purpose of testing

Quick Start

1. Minimum prerequisites
2. Testing a logging module

The Testing Infrastructure

1. What are tests anyway?
2. Proving that we are wrong
3. The “Test Anything” Protocol
4. Testing a subroutine
5. Arrange, Act and Assert
6. Key Take Aways

CPAN Testers

1. Reporting tests as a user
2. Becoming a CPAN Tester
3. Improving your tests as an author

Autotest

1. Building the command line tool
2. Running a test program
3. Makefile
4. Gregor’s story
5. Coding for CPAN
6. Checking for change
7. Testing the application logic
8. Black box and white box testing
9. Key Take Aways
10. Building the REST server
11. A word about resources
12. Testing a basic REST server
13. Incorporating our working code
14. Testing an API
15. Key Take Aways
16. Building the web application
17. Testing outside-in
18. Testing the client, not the server
19. Testing the functionality, not the GUI
20. Key Take Aways

Temporary data

1. Temporary directories and files
2. Temporary databases
3. Temporary version control repositories

Fake Services

1. Fake email server

Web Framework Testing

1. Catalyst

Non-deterministic code and tests

1. Side effects
2. Dates
3. Dependency injection
4. Factory method mocking
5. System call mocking
6. Race conditions
7. Unwanted randomness
8. Wanted randomness
9. Frequency test
10. Serial test
11. Poker test
12. Runs test
13. Autocorrelation test

Alternative test approaches and runners

1. Specification tests
2. Class-based testing
3. Cucumber/BDD/Gherkin
4. QuickCheck

Interactions with the outside world

1. Test results formatters
2. Continious integration services
3. Results reporting

Advanced testing patterns

1. Testing asynchronous code

Exotic testing patterns and methods

1. Mutation Testing