we don't need an instance to figure out what type of response to
allocate.  Later we'll pull this up the stack and pass the response
object down

This saves a lambda and request allocation on each request.

controllers should always go through the `action` class method so that
their middleware is respected.

now the caller can just treat it like a regular controller even though
it will return a 404

Removed mocha from Active Record Part 1

Get rid of mocha tests in actionpack - part 2

Initial implementation of ActiveJob AsyncAdapter.

Added docs for TimeWithZone [ci skip]

discard xml Serialization documentation that is no longer available […

Remove unused requires

Remove more unused block arguments

They are already required in `actionpack/lib/action_dispatch.rb` (L25-L26)

Make `assert_index` private

This `protected` keyword looks like some leftover, since
we are not using explicit receiver, this should go under `private`

Trim out least needed controllers from AP test suite

Make `change_column_default` to work

remove unused require ‘set’

* Fixtures are loaded for all the tests by default (not only model and
  controller tests).
* Fix a few typos and improve the markup at some levels.
* Wrap changes to 80 chars

[ci skip]

This is fix of #20018 which removes `change_column_default` from
array, so `CommandRecorder#method_missing` catches
`change_column_default` and @delegate's method is called.

This PR

* fix this bug
* define `ReversibleAndIrreversibleMethods` const making clear
  which this array means to prevent these miss

RDoc: fix wrong model name `:inverse_of` with `:belongs_to` [ci skip]

[ci skip] Fix #21364 error in documentation about ActiveRecord::Enum

add missing test for action regexp for routing

Remove unused block arguments

Remove unused block arguments

We have `caller_locations`, so we don't need to parse the strings in the
callstack.

We don't want to directly access the env hash

minor documentation improvement [ci skip]

Just like the other places.  We need to refactor this because the code
is almost identical to that in the action pack tests