Why do all node.js based frameworks prefer nosql? And where are the discussion about automated testing and continuous integration/deployment?
I'd like to see a framework that support traditional RDBMS and makes testing in both server and clinet side easier.
Rails has set the bar higher...
We also are big fans of testing, and we will have a better answer to how testing can be done. We currently use Mocha, which is a great test runner for the server and the browser. All of our frameworks are still quickly iterating and adding important features like this.
I'll venture that its because in javascript (among other languages) its more direct to 'query' generic data objects: hash.filter(), array.indexOf(), etc. Thereby pulling JSON from key-value stores is a simple catch-all that avoids dealing with SQL, schemas, and ORMs.
Mongo especially returns JSON as its results, so it's usually the first choice for JS-based frameworks, for better or worse.
Nitpicky, but it actually returns BSON, which is based on JSON but has more data types.