Test Driven

[object Object],[object Object],[object Object],Test-Driven

[object Object],[object Object],[object Object],[object Object],[object Object],Intended Audience

Let's test-drive a utility class...

[object Object],[object Object],[object Object],3A

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Assert

[object Object],[object Object],[object Object],[object Object],One Step At A Time

[object Object],[object Object],[object Object],The Null Test

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Assert First

[object Object],Fake It 'Til You Make It

[object Object],Triangulate To Abstraction public void testSum() { assertEquals(4, plus(3,1)); } --- int plus(int x, y) { return 4; } public void testSum() { assertEquals(4, plus(3,1)); assertEquals(5, plus(3,2)); } --- int plus(int x, y) { return x + y; }

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Test List

[object Object],[object Object],[object Object],[object Object],Obvious Implementation

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Automated Testing Layers

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],A Good Test Is...

[object Object],[object Object],[object Object],[object Object],Tests are “Executable Specifications”

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Why do you test?

[object Object],[object Object],[object Object],[object Object],[object Object],When do you test?

[object Object],When do you test?

[object Object],[object Object],[object Object],[object Object],When do you write tests?

[object Object],[object Object],[object Object],[object Object],[object Object],Why test first?

Why test first? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

[object Object],[object Object],[object Object],How can you write tests for code that doesn't exist?

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],What to test?

[object Object],[object Object],[object Object],[object Object],[object Object],How much to test?

[object Object],[object Object],Test for "essential complexity"

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Meszaros' Principles of Test Automation

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Tests Are An Extension of Code

[object Object],[object Object],[object Object],[object Object],[object Object],Unit Testing Is Hard

[object Object],[object Object],[object Object],[object Object],Test-Driving Is Slower At First

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Two D's

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Full Range Testing

[object Object],[object Object],[object Object],Verbose Test Naming

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Should Statements

[object Object],[object Object],[object Object],[object Object],Test-Only Methods

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Refactor Test Code

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Evident Data

[object Object],[object Object],Matrix Tests

[object Object],[object Object],[object Object],[object Object],[object Object],Characterization Tests

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Exception Tests

[object Object],[object Object],[object Object],[object Object],[object Object],Pair Programming

[object Object],[object Object],[object Object],[object Object],Ping-Pong Pairing

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Regression Test

[object Object],[object Object],Leave One For Tomorrow

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],The Need For Speed

Retrofitting ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Continuous Integration

[object Object],[object Object],[object Object],Automatic Suites

[object Object],[object Object],Outside-in vs. Inside-out

[object Object],[object Object],Inside-out

[object Object],[object Object],[object Object],[object Object],[object Object],Outside-in

[object Object],[object Object],[object Object],Outside-in design, inside-out development

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Test Doubles

More Test Doubles ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Dependency Injection

[object Object],[object Object],EDD/BDD (specs)

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Fixtures and Object Mothers

Test Driven

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Test Driven