Last time I tried PowerMock, I was unable to mock System.nanoTime nor properly fake classes.
On Fri, Feb 15, 2013 at 3:03 AM, Stevo Slavić <[email protected]> wrote: > +1 (non-binding) for jmockit. After being easymock user for years, I've > turned to jmockit on recent projects and it has proven to be really > powerful. > Nice overview with rationale and comparison can be found here: > http://jmockit.googlecode.com/svn/trunk/www/about.html > > One downside I've noticed, which comes from all that power of being able to > mock anything entirely or partially, is that sometimes it's not that > obvious why build has failed. With jmockit instrumentation if a test fails, > e.g. SUT dependency mocked but with default settings (so without static > initialization mocked), some other tests running in parallel or after > failed one might fail as well so, it might look like that there's something > wrong with testing frameworks/tools, but actually root cause is an invalid > test. > > Another small downside is that APIs tended to change in > non-backward-compatible way. I guess that's acceptable for releases before > recently published 1.0, and we'll see what future will bring. Older > versions would allow misuse, and newer ones perform various checks so are > more strict, thus the changes were for better (e.g. before it was possible > by mistake to record two different non strict expectations/behaviors for > same mocked method on same mocked instance). > > Make sure to use latest version, older ones had issues with Java 7 > compiler. > > Kind regards, > Stevo Slavic. > > > On Fri, Feb 15, 2013 at 10:29 AM, Ed Kohlwey <[email protected]> wrote: > > > That matrix is quite impressive. This is the first time I've come across > > JMockit but I may start using it soon - it seems very fully featured and > > the syntax is quite elegant. > > > > > > On Thu, Feb 14, 2013 at 11:53 AM, Jacques Nadeau < > [email protected] > > >wrote: > > > > > Rather than reinvent the pros/cons wheel here, does someone want to > find > > a > > > couple of evaluations/discussions that other Apache projects did and > see > > > what conclusions they came to? > > > > > > Interesting comparison here, of course probably skewed since Jmockit > > built > > > it and has the most features.... > > > > > > http://code.google.com/p/jmockit/wiki/MockingToolkitComparisonMatrix > > > > > > > > > > > > On Thu, Feb 14, 2013 at 8:47 AM, Ted Dunning <[email protected]> > > > wrote: > > > > > > > For me, the ability to mock statics and final classes is a big > > > requirement. > > > > > > > > On Thu, Feb 14, 2013 at 7:41 AM, Ed Kohlwey <[email protected]> > > wrote: > > > > > > > > > The power mock/easy mock combo is also quite effective and has one > of > > > the > > > > > cleanest and easiest to understand interfaces I've seen in a > mocking > > > > > library, however I'm not familiar with Jmockit. > > > > > On Feb 13, 2013 11:42 AM, "Ted Dunning" <[email protected]> > > wrote: > > > > > > > > > > > For basic mocking, none of the libraries make much difference. > > Once > > > > you > > > > > > go beyond that, however, there is a world of difference, > > particularly > > > > to > > > > > do > > > > > > with mocking static members and methods and the mocking of system > > > > > classes. > > > > > > > > > > > > For example, in testing some fixes to Zookeeper, I needed to mock > > > > > > System.nanoTime() and System.currentTimeMillies(). This sort of > > > > problem > > > > > > pops up pretty commonly when testing an object in the context of > a > > > > legacy > > > > > > environment that wasn't designed for testing. > > > > > > > > > > > > For the Zookeeper and mapr-spout, I have been using jmockit with > > good > > > > > > results. It can even mock final static system methods. > > > > > > > > > > > > > > > > > > On Feb 12, 2013, at 12:00 PM, Timothy Chen wrote: > > > > > > > > > > > > > I was thinking about to use Mocks when I was doing Join > earlier, > > > glad > > > > > > > you've raised this! > > > > > > > > > > > > > > I've mostly used Mockito in the past, don't know if there is > any > > a > > > > lot > > > > > > > better option out there. > > > > > > > > > > > > > > +1 > > > > > > > > > > > > > > Tim > > > > > > > > > > > > > > > > > > > > > On Tue, Feb 12, 2013 at 8:50 AM, Christopher Merrick < > > > > > > > [email protected]> wrote: > > > > > > > > > > > > > >> Hi Team - > > > > > > >> > > > > > > >> I'm going to take a stab at putting together some unit tests > > for a > > > > few > > > > > > of > > > > > > >> these reference operator implementations that we have built. > I > > > > don't > > > > > > see a > > > > > > >> mocking library imported into the project yet, and I wanted to > > see > > > > if > > > > > > >> anyone has strong opinions about which to use. I have used > > > mockito > > > > in > > > > > > the > > > > > > >> past and was generally pretty happy with it - does anyone > have a > > > > > > preference > > > > > > >> other than this? > > > > > > >> > > > > > > >> cheers, > > > > > > >> Chris > > > > > > >> > > > > > > > > > > > > > > > > > > > > > > > > > > >
