discourse/spec/controllers/directory_items_controller_spec.rb

require 'rails_helper'

describe DirectoryItemsController do

  it "requires a `period` param" do
    expect { get :index, format: :json }.to raise_error(ActionController::ParameterMissing)
  end

  it "requires a proper `period` param" do
    get :index, params: { period: 'eviltrout' }, format: :json
    expect(response).not_to be_success
  end

  context "without data" do

    context "and a logged in user" do
      let!(:user) { log_in }

      it "succeeds" do
        get :index, params: { period: 'all' }, format: :json
        expect(response).to be_success
      end
    end

  end

  context "with data" do
    before do
      Fabricate(:user)
      DirectoryItem.refresh!
    end

    it "succeeds with a valid value" do
      get :index, params: { period: 'all' }, format: :json
      expect(response).to be_success
      json = ::JSON.parse(response.body)

      expect(json).to be_present
      expect(json['directory_items']).to be_present
      expect(json['total_rows_directory_items']).to be_present
      expect(json['load_more_directory_items']).to be_present
    end

    it "fails when the directory is disabled" do
      SiteSetting.enable_user_directory = false

      get :index, params: { period: 'all' }, format: :json
      expect(response).not_to be_success
    end
  end
end