Reduce Development Cost with Test Driven Development

Test Driven Development ,[object Object],[object Object],[object Object],[object Object],[object Object]

Test Driven Development ,[object Object]

Test Driven Development ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Test Driven Development Beck & Astels 2003 ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

TDD using Unit Test Framework NUnit for .NET ,[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]

C# Example using NUnit Framework ,[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],Using System; Using Nunit.Framework; [TestFixture] Public class StackFixture { [Test] Public void Empty() { Stack stack = new Stack() Asser.IsTrue(stack.isEmpty); } Test fails to compile Stack missing public class Stack { private bool isEmpty = true; public bool isEmpty { get { return isEmpty; } } Code compiles Runs in NUnit Green Bar Displays

C# Example using NUnit Framework (continued) ,[object Object],Using System; Using Nunit.Framework; [TestFixture] Public class StackFixture { [Test] Public void PushOne() { Stack stack = new Stack(); stack.Push(“first element”); Assert.IsTrue(stack.IsEmpty, “ After Push, IsEmpty should be false); } Public void Push(object element) { } Using System; Using Nunit.Framework; [TestFixture] Public class StackFixture { [Test] Public void PushOne() { Stack stack = new Stack(); stack.Push(“first element”); Assert.IsTrue(stack.IsEmpty, “ After Push, IsEmpty should be false); } Public void Push(object element) { isEmpty = false; } Failure: StackFixture.PushOne: “ After Push, IsEmpty should be false” Everything OK

TDD: Case Study - NetServ ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Scaling TDD thru Agile Model Driven Development AMDD ,[object Object],[object Object],[object Object],Initial requirements Envisioning Initial Architecture Envisioning Iteration2:Development Iteration 1:Development Model Storming Iteration Modeling TDD Iteration 0: Development AMDD & TDD

The Other Dimension ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

TDD: Case Study - CTE ,[object Object],[object Object],[object Object]

TDD: Case Study - CTE ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

TDD: Case Study - CTE ,[object Object],[object Object],[object Object],[object Object]

Finding the RIGHT Balance ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

TDD: Case Study - CTE ,[object Object],[object Object],[object Object],[object Object],[object Object]

Test Driven Development ,[object Object],[object Object]

Reduce Development Cost with Test Driven Development

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Reduce Development Cost with Test Driven Development