Ruby Screenshot of the Week #11: Rails Debugging

First the screenshot - click for full resolution: The NetBeans Ruby support now lets you debug Rails applications. As the screenshot shows, you can even step right through RHTML files! All the usual debugging features are there - breakpoints, stack view, local variables view - and balloon evaluation, where you hover the mouse over a variable and it displays the current value as a tooltip. I can't take any credit for this; the debugger has been written by Martin Krauskopf, and uses the debug-commons library. Martin was my co-speaker for the Ruby talk (TS-9972) at JavaOne. If you missed it, Brian Leonard will be doing the same talk at RailsConf this weekend. One thing I want to clarify is that not everything I talked about in the type inference section is actually implemented yet in NetBeans. The talk represents everything I plan to do, not everything I've already done. Note that the RHTML debugging feature is not present in the recent Milestone 9 bits. We've made a lot of improvements since then. Just this morning I integrated various fixes to make code completion work much better in Rails. You now properly get code completion in your model and migration files etc - as the following screenshot shows: Another feature we added after Milestone 9 was some preliminary support for Auto Test - see the testing page for some screenshots and more info. For now, I recommend that you use NetBeans Milestone 9 as your base IDE, an...

Date: May, 18 2007
Url: http://blogs.sun.com/tor/entry/ruby_screenshot_of_the_week10

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