Home » Tag Archives: Testing (page 21)

Tag Archives: Testing

JUnit and Mockito cooperation

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This time I want to make an overview of testing framework Mockito. Definitely this is one of the most popular tools for the testing of java code. I have already made the overview of the Mockito’s competitor – EasyMock. This post will be based on the sample application from the post about EasyMock. I mean classes which represent coffee machine ...

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Synchronising Multithreaded Integration Tests revisited

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I recently stumbled upon an articleSynchronising Multithreaded Integration Tests on Captain Debug’s Blog. That post emphasizes the problem of designing integration tests involving class under test running business logic asynchronously. This contrived example was given (I stripped some comments):               public class ThreadWrapper { public void doWork() { Thread thread = new Thread() { ...

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Fault Injection with Byteman and JUnit

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The time when our applications lived in isolation have passed long-long ago. Nowadays applications are a very complicated beasts talking to each other using myriads of APIs and protocols, storing data in traditional or NoSQL databases, sending messages and events over the wire … How often did you think about what will happen if, for example, a database goes down ...

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Hamcrest Matchers, Guava Predicate and Builder design pattern

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Often, while coding we have to deal with some POJO objects that have dozens of fields in them. Many times we initialize those classes through a constructor having dozens of arguments which is terrible in any possibly imaginable way. Apart from that the functions that use those constructors are hardly testable. Let’s take a closer look at using a Builder ...

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Running JUnit Tests Repeatedly Without Loops

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Recently I came across a problem where I had to write tests for a method that calculates randomly distributed values within a certain range of possibilities 1. More precisely if you assume a signature that looks like                 interface RandomRangeValueCalculator { long calculateRangeValue( long center, long radius ); } a test might verify ...

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Penetration Testing Shouldn’t be a Waste of Time

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In a recent post on “Debunking Myths: Penetration Testing is a Waste of Time”, Rohit Sethi looks at some of the disadvantages of the passive and irresponsible way that application pen testing is generally done today: wait until the system is ready to go live, hire an outside firm or consultant, give them a short time to try to hack ...

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JUnit: Naming Individual Test Cases in a Parameterized Test

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A couple of years ago I wrote about JUnit Parameterized Tests. One of the things I didn’t like about them was that JUnit named the invidividual test cases using numbers, so if they failed you had no idea which test parameters caused the failure. The following Eclipse screenshot will show you what I mean:             ...

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War Games, Pair Testing and Other Fun Ways to Find Bugs

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I’ve already examined how important good testing is to the health of a project, a product and an organization. There’s a lot more to good testing than running an automated test suite in Continuous Integration and forcing someone to walk through functional test scripts and check lists. A good tester will spend time exploring the app, making sure that they ...

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Testing Spring Data Neo4j Applications with NoSQLUnit

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Spring Data Neo4j is the project within Spring Data project which provides an extension to the Spring programming model for writing applications that uses Neo4j as graph database. To write tests using NoSQLUnit for Spring Data Neo4j applications, you do need nothing special apart from considering that Spring Data Neo4j uses a special property called type in graph nodes and ...

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