26 March 2014Bruno Pedro

Maintainable Consumers

Bruno Pedro Web and Cloud Computing Technologist with over ten years’ experience. CTO of GetApp. Editor at APIUX.com.

http://brunopedro.com/

Summary• What is a maintainable consumer

• Factors that influence maintainability

• Defending your implementation

• Reacting to changes

Maintainable

• prevent unexpected downtime

• identify and correct problems

• maximize efficiency and reliability

• cope with changes

API Documentation

Your Own Consumer vs SDK

Unit and Integration Tests

Alerts

Documentation changes• Get notified by the provider

• twitter

• email

• API Changelog

• alerts by email

Documentation changes• API Changelog

• email alerts, RSS and JSON feeds

Implement a Façade

Consumer Generation• collection

• markdown

• functionsnodeunit

Tests• POSTMAN Collection Runner

Tests• Runscope Radar

Reacting to changes• Technical changes

• detected through tests

• implement fix

• e.g. invalid certificate, changed authorization layer, etc.

Reacting to changes• Functional changes

• harder to detect

• don’t change the Façade

• implement fix on the service layer

• if not possible to fix, implement new methods

Summary• Write code that can cope with changes

• Evaluate API Documentation

• Write unit and integration tests

• Get alerts when things break

Questions?

26 March 2014Bruno Pedro

Maintainable Consumers