tests/testthat/_snaps/serializers.md

In plumber2: Easy and Powerful Web Servers

register_serializer registers a serializer correctly

Code
  register_serializer("mock/invalid", mock_serializer, "text/mock")
Condition
  Error in `register_serializer()`:
  ! `name` must not contain the forward slash character (/)

Code
  register_serializer("...", mock_serializer, "text/mock")
Condition
  Error in `register_serializer()`:
  ! `name` must not be "..." and "none"

Code
  register_serializer("none", mock_serializer, "text/mock")
Condition
  Error in `register_serializer()`:
  ! `name` must not be "..." and "none"

get_serializers returns correct serializers

Code
  get_serializers("nonexistent")
Condition
  Error in `FUN()`:
  ! No serializer registered as nonexistent

Code
  get_serializers(list(c("...", "...")))
Condition
  Error in `get_serializers()`:
  ! "..." can only be used once in `serializers`

device_formatter creates valid formatter

Code
  device_formatter(bad_device)
Condition
  Error in `device_formatter()`:
  ! `dev_open` must be a function with a `filename` or `file` argument

plumber2 documentation built on Jan. 20, 2026, 5:06 p.m.