require "helper"

class JournalistWithFriendlyFinders < ActiveRecord::Base
  self.table_name = "journalists"
  extend FriendlyId
  scope :existing, -> { where("1 = 1") }
  friendly_id :name, use: [:slugged, :finders]
end

class Finders < TestCaseClass
  include FriendlyId::Test

  def model_class
    JournalistWithFriendlyFinders
  end

  test "should find records with finders as class methods" do
    with_instance_of(model_class) do |record|
      assert model_class.find(record.friendly_id)
    end
  end

  test "should find records with finders on relations" do
    with_instance_of(model_class) do |record|
      assert model_class.existing.find(record.friendly_id)
    end
  end

  test "allows nil with allow_nil: true" do
    with_instance_of(model_class) do |record|
      assert_nil model_class.find("foo", allow_nil: true)
    end
  end

  test "allows nil on relations with allow_nil: true" do
    with_instance_of(model_class) do |record|
      assert_nil model_class.existing.find("foo", allow_nil: true)
    end
  end

  test "allows nil with a bad primary key ID and allow_nil: true" do
    with_instance_of(model_class) do |record|
      assert_nil model_class.find(0, allow_nil: true)
    end
  end

  test "allows nil on relations with a bad primary key ID and allow_nil: true" do
    with_instance_of(model_class) do |record|
      assert_nil model_class.existing.find(0, allow_nil: true)
    end
  end

  test "allows nil with a bad potential primary key ID and allow_nil: true" do
    with_instance_of(model_class) do |record|
      assert_nil model_class.find("0", allow_nil: true)
    end
  end

  test "allows nil on relations with a bad potential primary key ID and allow_nil: true" do
    with_instance_of(model_class) do |record|
      assert_nil model_class.existing.find("0", allow_nil: true)
    end
  end

  test "allows nil with nil ID and allow_nil: true" do
    with_instance_of(model_class) do |record|
      assert_nil model_class.find(nil, allow_nil: true)
    end
  end

  test "allows nil on relations with nil ID and allow_nil: true" do
    with_instance_of(model_class) do |record|
      assert_nil model_class.existing.find(nil, allow_nil: true)
    end
  end
end