Export type test helpers

[bfirsh]

... so they can be used for testing custom types. See #156

[wmertens]

I have no strong opinion - @josephg looks ok?

[bfirsh]

I've also included types.helpers here so bootstrapTransform can be used on the server. (It's only currently available in the browser as sharejs._bt).

[josephg]

I'm confused - why is randomWord imported in each type's tests?

[josephg]

This patch confuses me.

• Most of the changes have nothing to do with exposing test helpers to external projects.
• bootstrapTransform is already used by the server (the JSON and old text types use it).
• Its bad form to expose test/ paths from the src/ directory. Do it at the top level instead, in src/index.coffee.

And also, the OT types have moved into their own project. Once you're happy with it, this pull request will need to be duplicated to josephg/ot-types .

[bfirsh]

Ahah – I didn't see the ot-types project before. That's pretty cool.

I moved randomWord into test/helpers/misc just for the sake of organising it. Would it be better in a separate file?

Would you prefer everything to be exposed as require('share').test?

[josephg]

Yeah require('share').test sounds good. I moved randomWord in with the rest of the randomizer code in ot-types because you're right, it makes more sense like that.

Moving forward, I'm not really sure how these projects should be hooked up. I guess the ot types project should expose the randomizer and bootstrapTransform functions directly. If people want to use them from sharejs, they can just require('ot-types') directly.