Update documentation about avaliable generators in v4

[choosen]

Add missing entries to the list in generator documentation.

Channel generator was introduced with version rspec 4, so patch for previous pages needs to be a little bit changed

Related with #2265

• double checked

[klyonrad]

Do we care about updating the list in readme.md as well?

[pirj]

Looks good, thanks.
I'm not sure if policy/plugin generator are Rails-related or not and if we generate specs for them, but generator generator is, and we do generate specs along the way.

Do you mind double-checking plugin/policy just to be sure?

[pirj]

I think that a generator generator is Rails-related, I remember a recent fix for its specs https://github.com/rspec/rspec-rails/pull/2217/files#diff-3fb1bfb25a4bda08b0ad2295bb53297aR3

[choosen]

as I can see here: https://github.com/rspec/rspec-rails/tree/ca988b0697524717e41ce71663869708273b1966/lib/generators/rspec
Generators are aimed only for rails : )

So generate generator can be also included here.

I got a plugin generator by mistake from test unit 🤦

I'm syncing all 15 (14 without install generator) generators with this list

[choosen]

policy generator came from pundit gem

free to merge @pirj

[choosen]

@klyonrad
From readme:

# List all RSpec generators
$ rails generate --help | grep rspec

I think it is not so important for readme to list them all

[pirj]

Thank you!

[JonRowe]

Thanks!

[benoittgt]

Shouldn't we backport it to 4-0-maintenance?

[JonRowe]

Ah yep, thanks for the reminder 😂 (done)