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Tag Archives: Testing

Spring MVC Integration Tests

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An approach to Integration Testing the controllers in Spring MVC is to use the Integration Test support provided by Spring. With Junit4 this support consists of a custom Junit Runner called the SpringJunit4ClassRunner, and a custom annotation to load up the relevant Spring configuration. A sample Integration test would be along these lines: @RunWith(SpringJUnit4ClassRunner.class) @ContextConfiguration(locations={"classpath:/META-INF/spring/webmvc-config.xml", "contextcontrollertest.xml"}) public class ContextControllerTest { ...

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EasyMock tutorial – Getting Started

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In this post, I’m going to show you what EasyMock is and how you can use it for testing your java application. For this purpose, I’m going to create a simple Portfolio application and test it using JUnit & EasyMock libraries. Before we begin, lets first understand the need behind using EasyMock. Lets say, you are building an Android mobile ...

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Testing legacy code: Hard-wired dependencies

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When pairing with some developers, I’ve noticed that one of the reasons they are not unit testing existing code is because, quite often, they don’t know how to overcome certain problems. The most common one is related to hard-wired dependencies – Singletons and static calls. Let’s look at this piece of code: public List<Trip> getTripsByUser(User user) throws UserNotLoggedInException { List<Trip> ...

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Test-driving Builders with Mockito and Hamcrest

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A lot of people asked me in the past if I test getters and setters (properties, attributes, etc). They also asked me if I test my builders. The answer, in my case is it depends. When working with legacy code, I wouldn’t bother to test data structures, that means, objects with just getters and setters, maps, lists, etc. One of ...

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NoSQLUnit 0.3.0 Released

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Introduction Unit testing is a method by which the smallest testable part of an application is validated. Unit tests must follow the FIRST Rules; these are Fast, Isolated, Repeatable, Self-Validated and Timely. It is strange to think about a JEE application without persistence layer (typical Relational databases or new NoSQL databases) so should be interesting to write unit tests of ...

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Moving Beyond Core Hamcrest in JUnit

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In the post Improving On assertEquals with JUnit and Hamcrest I introduced use of Hamcrest with JUnit. I then looked at JUnit’s Built-in Hamcrest Core Matcher Support. In this post, I look at how to apply Hamcrest’s non-core matchers with JUnit. These non-core matchers are NOT included with JUnit by default, but are available by including a Hamcrest JAR in ...

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Testing Abstract Classes and Template Method Pattern

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From wikipedia “A template method defines the program skeleton of an algorithm. One or more of the algorithm steps can be overridden by subclasses to allow differing behaviors while ensuring that the overarching algorithm is still followed”. Typically this pattern is composed by two or more classes, one that is an abstract class providing template methods (non-abstract) that have calls ...

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Java EE 6 Testing Part I – EJB 3.1 Embeddable API

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One of the most common requests we hear from Enterprise JavaBeans developers is for improved unit/integration testing support. EJB 3.1 Specification introduced the EJB 3.1 Embeddable API for executing EJB components within a Java SE environment. Unlike traditional Java EE server-based execution, embeddable usage allows client code and its corresponding enterprise beans to run within the same JVM and class ...

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