discourse/spec/models/user_history_spec.rb

require 'rails_helper'

describe UserHistory do

  describe '#staff_action_records' do
    context "with some records" do
      before do
        @change_site_setting = UserHistory.create!({action: UserHistory.actions[:change_site_setting], subject: "title", previous_value: "Old", new_value: "New"})
        @change_trust_level  = UserHistory.create!({action: UserHistory.actions[:change_trust_level], target_user_id: Fabricate(:user).id, details: "stuff happened"})
      end

      it "returns all records for admins" do
        records = described_class.staff_action_records(Fabricate(:admin)).to_a
        expect(records.size).to eq(2)
      end

      it "doesn't return records to moderators that only admins should see" do
        records = described_class.staff_action_records(Fabricate(:moderator)).to_a
        expect(records).to eq([@change_trust_level])
      end
    end
  end

end