I am trying to use the code shown in the following example: java.lang.NullPointerException while creating DiskFileItem My Test method contains the following code: The text file exists in this location but the last line in the above code does not output the file content. Any idea why? N.B. The following does p…
Tag: junit
Testing Private method using mockito
How to test private method is called or not, and how to test private method using mockito? Answer You can’t do that with Mockito but you can use Powermock to extend Mockito and mock private methods. Powermock supports Mockito. Here’s an example.
How to Re-run failed JUnit tests immediately?
Is there a way to have an JUnit Rule or something similar that gives every failing test a second chance, just by trying to run it once again. Background: I have a large Set of Selenium2-WebDriver …
Embedded MongoDB when running integration tests
My question is a variation of this one. Since my Java Web-app project requires a lot of read filters/queries and interfaces with tools like GridFS, I’m struggling to think of a sensible way to employ MongoDB in the way the above solution suggests. Therefore, I’m considering running an embedded ins…
Guice injector in JUnit tests [closed]
Closed. This question is opinion-based. It is not currently accepting answers. Want to improve this question? Update the question so it can be answered with facts and citations by editing this post. Closed 3 years ago. Improve this question Using Guice, is it a good practice to get a new injector in each JUni…
Ignore Assertion failure in a testcase (JUnit)
Currently, I am writing the automation testing using java and selenium rc. I would like to verify all the contents present on the user interface, the function is ie below: The function is supposed to return a String containing information about the testing. However, the function stopped once an assertion erro…
Loop through array, each element a JUnit test
I have a JUnit 4 test that loops through an array of test data: Because it’s all in one test method, the whole test stops as soon as one element in the array fails. Is there a way around that, without making a method for each test item? Maybe something with reflection? Answer Use JUnit 4’s paramet…
Comparing arrays in JUnit assertions, concise built-in way?
Is there a concise, built-in way to do equals assertions on two like-typed arrays in JUnit? By default (at least in JUnit 4) it seems to do an instance compare on the array object itself. EG, doesn’t work: Of course, I can do it manually with: ..but is there a better way? Answer Use org.junit.AssertR…
HowTo Unit Test Client Server Code
I’m currently writing a Java Client Server Application. So i want to implement two Libraries, one for the Client and one for the Server. The Client Server Communication has a very strict protocol, that I wan’t to test with JUnit. As build tool im using Maven and a Husdon Server for continues Integ…
Bringing unit testing to an existing project
I’m working on an existing Java EE project with various maven modules that are developed in Eclipse, bundled together and deployed on JBoss using Java 1.6. I have the opportunity to prepare any framework and document how unit testing should be brought to the project. Can you offer any advice on… J…