top testing tips

Top Testing Tips

Data Creation, Web Callouts, and Automation

Ami Assayag, CRM Science, @AmiAssayag

Wes Nolte, Tquila, @WesNolte

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Ami Assayag

Principal Architect, CRM Science

PhillyForce Leader

@AmiAssayag

Wes Nolte

Director of Innovation, Tquila

Force.com MVP

London Dev Group Leader

@WesNolte

Matthew Botos

Model Metrics

a salesforce.com company

@BotosCloud

Couldn’t make it…

Our Agenda For Today

• Review our assigned project

• Review top testing tips:

• Data creation with SmartFactory

• Testing web callouts with interfaces

• Automated testing and continuous integration

Our Assigned Project

You've just been hired as a developer on an existing project and

given this story to implement:

As a conference attendee, I want to create a Registration for a

Session, and post it to my Twitter account.

Data Model

Business Logic is Completed!

And Now We Test

• Unit testing

• Integration testing

• Automated testing

Acceptance

Integration

Unit

Data Creation with

SmartFactory

Let’s Make a Registration

System.DmlException: Insert failed. First

exception on row 0; first error:

REQUIRED_FIELD_MISSING, Required

fields are missing: [Session__c, Contact__c]:

[Session__c, Contact__c]

Oops, Let’s Make a Session

System.DmlException: Insert failed. First

exception on row 0; first error:

REQUIRED_FIELD_MISSING, Required

fields are missing: [Start_Date_Time__c]:

[Start_Date_Time__c]

Continue Creating Test Data

• Identify all objects and related objects

• Identify all required fields

• Identify valid values for all required fields

• Populate all required fields

• Rinse & repeat

• OR...

SmartFactory for Force.com

• Apex project

• Create test objects

• Autofill fields & lookups

Contact Account Custom

Object

Let’s Try SmartFactory

SmartFactory for Force.com

• Several utility methods

• Looking at metadata

• bit.ly/SmartFactory

Testing web callouts with

interfaces

Post to Twitter Architecture

Business Logic

Class Trigger

Callout Utility

Class

Integration Test

Post to Twitter Architecture (w/ an interface)

Business Logic

Class Trigger

Interface

Production

Implementation

Class

Mock

Implementation

Class

Callout Utility

Class

It All Starts With an Interface…

• Only contains method signatures.

• Implemented by other classes.

• Implement by providing code for interface methods.

Improve the Callout Class with the Interface

Suddenly our application logic is looking much cleaner.

Implementation Class #1: Mock

• Similar code to what we removed from the callout utility

Implementation Class #2: Production

• Performs actual callout.

Post to Twitter Architecture (w/ an interface)

Business Logic

Class Trigger

Interface

Production

Implementation

Class

Mock

Implementation

Class

Callout Utility

Class

Using The Interface: Test Method

Using The Interface: Business Logic

• Treat the interface the same here!

Using Interfaces in Apex Testing

• Summary of advantages

• Tried and tested through Java, .Net and others

• Interfaces decouple code and provide consistency

• Fewer hacks to get tests to work correctly

• Improved code coverage

• Can test multiple callout situations with different “dummy” data

• bit.ly/ApexCalloutTest

Automated testing and

continuous integration

Automated Testing and Continuous Integration

• Deployed tests are not run

• New code introduces new bugs

• Team introduces new bugs

Early detection of bug requires that you manually “Run All” tests

or implement full-blown CI… or does it?

Automated Testing for Force.com (App)

• Free App that installs as a managed package with just a few clicks

• Runs 100% on the Force.com Platform

Super Easy to Set Up

Test Results in Your Inbox

Open Source

• bit.ly/ForceAutoTest

• Pull requests are welcomed

Ami Assayag

Principal Architect

CRM Science

@AmiAssayag

Wes Nolte

Director of Innovation

Tquila

@WesNolte