TestDrive¶ ↑

TestDrive is a handy script for developers working on The MarkUs Project.

The MarkUs Project practices pre-commit code review with ReviewBoard in order to reduce the number of defects committed to the repository, and also as a way of quickly bringing new developers up to speed.

But looking at the code is only half of the story. It’s just as important to try the code that’s up for review, just to make sure it’s up to snuff. That’s where TestDrive comes in.

TestDrive will do the job of checking out a fresh copy of MarkUs, grabbing the diff up for review from ReviewBoard, configure the new MarkUs instance to your liking, splat the diff on top, and be up and running and ready for you to test drive in no time.

TestDrive will even run the MarkUs test suites for you, and compile it into a report, if you’d like.

Call it pre-commit continuous integration. I hope it’ll help you find more bugs.

Example usage¶ ↑

Every review request up on ReviewBoard has a unique ID. You can see this ID in the URL when you’re viewing the review request. For example, if I was looking at a review request, and the URL looked like:

review.markusproject.org/r/210

Then the review request number is, clearly, 210.

That’s really all you need to know to get started. Once you’ve got TestDrive, run it like this:

./TestDrive -r 210

And it’ll pretty much do all of the rest. TestDrive might ask you to specify a branch to grab, in case it wasn’t made clear in the review request.

Other Neat Features¶ ↑

TestDrive can also run the test suites, or start the server, as soon as the new instance is ready to go.

./TestDrive -r 210 -a -s

The -a parameter tells TestDrive to auto-test. The -s tells TestDrive to run the server when it’s ready to go. Pretty simple.

To get a full list of parameters, type in:

./TestDrive -h

Setup and Configuration¶ ↑

Once you’ve downloaded TestDrive, you’ll need to do two things:

First, open up TestDrive.conf.yml, and fill in your ReviewBoard username and password.

Secondly, take a look at prepare_markus.sh. This is the shell script that is run to “prepare” MarkUs before applying the diff. If you have any special requirements for set up, this is where they should go.

When Things Go Wrong¶ ↑

TestDrive uses the patch command to apply the review request diff. If you don’t have patch, there’ll be problems. Or, if patch has problems…well, then you’ve got problems. At least for now, TestDrive doesn’t detect when patch fails, so double check what’s in the test_drive directory using “svn status” - in particular, look for files ending in .rej or .orig. This may mean you’ll have to do some manual merging to make things work…

Requirements¶ ↑

TestDrive, by default, sets up MarkUs instances with Sqlite3 database backends. So you’ll need the Sqlite3 libraries for Ruby. See here for more information.

You’ll also need the JSON Ruby gem, and the patch UNIX tool.

Oh, and Subversion - but as a MarkUs developer, you probably already have that. ;)

Authors & Credits¶ ↑

Written by Mike Conley as an experiment, first mentioned on my blog here.

Thanks to Severin for the help polishing it up!

Want to help contribute to The MarkUs Project? Read more about it here!

evanbrowning/TestDrive

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