# frozen_string_literal: true

require "test_helper"

# Contract smoke for Opencode::MessageArtifacts (the idempotent
# ActiveStorage-backed artifact attachment pipeline). Behavioral
# coverage — including ActiveStorage attachment, Transform application,
# error reporting via Opencode::ErrorReporter — lives in the host app.
class Opencode::MessageArtifactsTest < Minitest::Test
  def test_initialize_takes_message_feature_and_optional_transforms
    params = Opencode::MessageArtifacts.instance_method(:initialize).parameters
    by_kind = params.group_by(&:first).transform_values { |list| list.map(&:last) }

    assert_includes by_kind[:keyreq], :message,
      "MessageArtifacts must require a message: keyword"
    assert_includes by_kind[:keyreq], :feature,
      "MessageArtifacts must require a feature: keyword (used in error reports)"
    assert_includes by_kind[:key] || [], :transforms,
      "MessageArtifacts must accept an optional transforms: keyword"
  end

  def test_public_api_is_attach_from
    assert_equal [ :attach_from ], Opencode::MessageArtifacts.instance_methods(false),
      "MessageArtifacts's only public verb is #attach_from"
  end
end