File APIs for Java Developers
Manipulate DOC, XLS, PPT, PDF and many others from your application.
The moose likes Testing and the fly likes EasyMock : AssertionError expected:1, actual:0 error Big Moose Saloon
  Search | Java FAQ | Recent Topics | Flagged Topics | Hot Topics | Zero Replies
Register / Login
JavaRanch » Java Forums » Engineering » Testing
Bookmark "EasyMock : AssertionError expected:1, actual:0 error" Watch "EasyMock : AssertionError expected:1, actual:0 error" New topic

EasyMock : AssertionError expected:1, actual:0 error

Santosh Ramachandrula
Ranch Hand

Joined: Apr 04, 2004
Posts: 252
I am trying to test method retrieve() in Class A (I have created dummy code to represent the problem that I am facing). Please see the comments in bold below for my question.

[ May 21, 2008: Message edited by: Santosh Ramachandrula ]

Lasse Koskela

Joined: Jan 23, 2002
Posts: 11962
Originally posted by Santosh Ramachandrula:

You don't mock an object that is being created within a method. The only way to do that would be to modify the actual byte code with a library such as BCEL or ASM, replacing the byte code instructions for "B b = new B()" with something else.

A much more viable option is to expose "B" so that you can indeed swap in a test double. For example, you could do something like this:

Author of Test Driven (2007) and Effective Unit Testing (2013) [Blog] [HowToAskQuestionsOnJavaRanch]
I agree. Here's the link:
subject: EasyMock : AssertionError expected:1, actual:0 error
It's not a secret anymore!