By Paul Hamill

Publish yr note: First released in 2004
------------------------

Unit try frameworks are a key component to well known improvement methodologies corresponding to severe Programming (XP) and Agile improvement. yet unit checking out has moved some distance past severe Programming; it's now universal in lots of forms of software improvement. Unit assessments support be certain low-level code correctness, lessen software program improvement cycle time, enhance developer productiveness, and bring extra strong software.

Until now, there has been little documentation on hand on unit checking out, and so much resources addressed particular frameworks and particular languages, instead of explaining using unit trying out as a language-independent, standalone improvement technique. This helpful new e-book covers the idea and heritage of unit try frameworks, bargains step by step guideline in easy unit attempt improvement, presents valuable code examples in either Java and C++, and contains info on one of the most regularly occurring frameworks at the present time from the XUnit relatives, together with JUnit for Java, CppUnit for C++, and NUnit for .NET.

Unit try Frameworks comprises transparent, concise, and exact descriptions of: the speculation and layout of unit try out frameworks Examples of unit assessments and frameworks forms of unit checks well known unit attempt frameworks And extra additionally it is the full resource code for CppUnit for C++, and NUnit for .NET.

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Read e-book online Unit Test Frameworks: Tools for High-Quality Software PDF

Post 12 months observe: First released in 2004
------------------------

Unit try out frameworks are a key section of well known improvement methodologies corresponding to severe Programming (XP) and Agile improvement. yet unit checking out has moved a long way past severe Programming; it really is now universal in lots of types of program improvement. Unit exams support make certain low-level code correctness, lessen software program improvement cycle time, enhance developer productiveness, and bring extra powerful software.

Until now, there has been little documentation to be had on unit trying out, and so much resources addressed particular frameworks and particular languages, instead of explaining using unit checking out as a language-independent, standalone improvement method. This beneficial new e-book covers the idea and heritage of unit try frameworks, bargains step by step guideline in uncomplicated unit try improvement, offers precious code examples in either Java and C++, and comprises info on probably the most time-honored frameworks this present day from the XUnit family members, together with JUnit for Java, CppUnit for C++, and NUnit for . NET.

Unit try Frameworks comprises transparent, concise, and specified descriptions of: the speculation and layout of unit try out frameworks Examples of unit exams and frameworks types of unit checks renowned unit try frameworks And extra it's also the entire resource code for CppUnit for C++, and NUnit for . web.

Extra info for Unit Test Frameworks: Tools for High-Quality Software Development

Example text

So, we’ll mock DBConnection as shown in Example 4-16. Example 4-16. java public class MockDBConnection implements DBConnection { private boolean connected = false; private boolean closed = false; public void connect( ) { connected = true; } public void close( ) { closed = true; } public Book selectBook( String title, String author ) { return null; } public boolean validate( ) { return connected && closed; } } MockDBConnection implements the public interface of DBConnection, so it can be used in the interface’s place.

If multiple developers run tests simultaneously, their database operations may interfere. Mocking the database makes having an actual database unnecessary for testing. The mock has the same interface as the actual database object and the same behavior from the perspective of the client software, but it doesn’t need to actually contain anything but a minimal implementation and possibly some test data. Once the database mock is created, it becomes much simpler to write tests that assume that the database is in various states.

NET language. HTMLUnit An extension to JUnit that tests web-based applications. It simulates a web browser, and is oriented towards writing tests that deal with HTML pages. HTTPUnit Another JUnit extension that tests web-based applications. It is oriented towards writing tests that deal with HTTP request and response objects. xUnit Extensions | This is the Title of the Book, eMatter Edition Copyright © 2008 O’Reilly & Associates, Inc. All rights reserved. 19 Jester A helpful extension to JUnit that automatically finds and reports code that is not covered by unit tests.

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