Refactoring

Refactoring: A Brief Introduction

Refactoring ,[object Object],[object Object]

An Example with NUnit #region Using using NUnit.Framework; #endregion namespace com.sds.prime { [TestFixture] public class PrimeTest { [Test] public void testMethod() { Prime prime = new Prime(); } } }

An Example with NUnit ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Run Test with NUnit plugin ,[object Object],[object Object],[object Object]

An Example with NUnit #region Using using NUnit.Framework; #endregion namespace com.sds.prime { [TestFixture] public class PrimeTest { [Test] public void testMethod() { Prime prime = new Prime(); Assert.IsTrue(prime.getNext(1) == 1); } } }

An Example with NUnit ,[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]

An Example with NUnit #region Using using NUnit.Framework; #endregion namespace com.sds.prime { [TestFixture] public class PrimeTest { [Test] public void testMethod() { Prime prime = new Prime(); Assert.IsTrue(prime.getNext(1) == 1); Assert.IsTrue(prime.getNext(2) == 2); } } }

An Example with NUnit ,[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]

An Example with NUnit #region Using using NUnit.Framework; #endregion namespace com.sds.prime { [TestFixture] public class PrimeTest { [Test] public void testMethod() { Prime prime = new Prime(); Assert.IsTrue(prime.getNext(1) == 1); Assert.IsTrue(prime.getNext(2) == 2); Assert.IsTrue(prime.getNext(10) == 23); } } }

An Example with NUnit ,[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]

Testing Boundary Conditions ,[object Object]

Code Smells ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Smell:Comments ,[object Object],[object Object],[object Object]

Smell:Long Methods ,[object Object],[object Object]

Smell:Large Class ,[object Object],[object Object],[object Object],[object Object]

Smell:Long Parameter List ,[object Object],[object Object],[object Object]

Smell:Inappropriate Intimacy ,[object Object],[object Object],[object Object]

Design Patterns ,[object Object]

Template Pattern ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Design Patterns Explained , ‘ Chapter 19 : The Template Method Pattern’ , by Alan Shalloway and James R. Trott

Template Pattern ,[object Object],aaa aaa aaa aaa bb bb bb bb bb cccc cccc cccc d d d d d d d d d eee eee eee eee fffff ff fffff ff ggg gggg ggg h hh h hh h hh h iiii iiii iiii iiii AAA A AAAA A XXX XX XX X BB BB B cccc cccc cccc DDD D DDD D EE EEEE E E fffff ff fffff ff GGG G G GGGG HHH HHH HH H iiii iiii iiii iiii Design Patterns Explained , ‘ Chapter 19 : The Template Method Pattern’ , by Alan Shalloway and James R. Trott

Template Pattern ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Design Patterns Explained , ‘ Chapter 19 : The Template Method Pattern’ , by Alan Shalloway and James R. Trott methodForStep1() { aaa aaa aaa aaa bb bb bb bb bb } methodForStep3() { d d d d d d d d d eee eee eee eee } methodForStep5() { ggg gggg ggg h hh h hh h hh h }

Template Pattern ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Design Patterns Explained , ‘ Chapter 19 : The Template Method Pattern’ , by Alan Shalloway and James R. Trott MyClass { methodForStep1() { aaa aaa aaa aaa bb bb bb bb bb } methodForStep3() { d d d d d d d d d eee eee eee eee } methodForStep5() { ggg gggg ggg h hh h hh h hh h } } MySecondClass { methodForStep1() { AAA A AAAA A XXX XX XX X BB BB B } methodForStep3() { DDD D DDD D EE EEEE E E } methodForStep5() { GGG G G GGGG HHH HHH HH H } }

Prime Number Template ,[object Object]

Resources ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Refactoring

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Refactoring