content-replay.md
In ellmer: Chat with Large Language Models

checks recorded value types

Code
  contents_replay(bad_names)
Condition
  Error in `contents_replay()`:
  ! Expected the recorded object to be a list with at least names 'version', 'class', and 'props'.
Code
  contents_replay(bad_version)
Condition
  Error in `check_recorded()`:
  ! Unsupported version 2.
Code
  contents_replay(bad_class)
Condition
  Error in `contents_replay()`:
  ! Expected the recorded object to have a single $class name, containing `::` if the class is from a package.

non-ellmer classes are not recorded/replayed by default

Code
  contents_record(LocalClass())
Condition
  Error in `contents_record()`:
  ! Cannot record or replay a <foo::LocalClass> object.
  i Only `ellmer::Content` or `ellmer::Turn` classes or subclasses are currently supported.
Code
  contents_replay(recorded)
Condition
  Error in `loadNamespace()`:
  ! there is no package called 'foo'

local classes that extend ellmer classes can be replayed

Code
  test_record_replay(test_content("hello world"))
Condition
  Error in `contents_replay()`:
  ! Expected the object named `LocalContentText` to be an S7 class, not a function.

replayed objects must be existing S7 classes

Code
  contents_replay(doesnt_exist)
Condition
  Error in `contents_replay()`:
  ! Unable to find the S7 class: `ellmer::Turn2`.
Code
  contents_replay(not_s7)
Condition
  Error in `contents_replay()`:
  ! Expected the object named `ellmer::chat_openai` to be an S7 class, not a function.