require 'test_helper'
require 'nextable_test'

module ParamTests
  class FieldTest < NextableTest
    setup do
      @@feb_1965, @@feb_1942, @@jan_1929 = create_three_users

      # Aliased for easier reading of individual tests
      @@ten_am = @@six = @@malcolm = @@feb_1965
      @@nine_am = @@eight = @@huey = @@feb_1942
      @@eleven_am = @@seven = @@mlk = @@jan_1929
    end

    ####
    ## Next Record
    ####

    class NextRecord < FieldTest
      class WithDateField < NextRecord
        test "defaults" do
          assert_equal @@jan_1929.next_record(field: 'date_of_birth'), @@feb_1942
          assert_equal @@feb_1942.next_record(field: 'date_of_birth'), @@feb_1965
        end

        test "last record returns nil" do
          assert_equal @@feb_1965.next_record(field: 'date_of_birth'), nil
        end
      end

      class WithTimeField < NextRecord
        test "defaults" do
          assert_equal @@nine_am.next_record(field: 'time_of_birth'), @@ten_am
          assert_equal @@ten_am.next_record(field: 'time_of_birth'), @@eleven_am
        end

        test "last record returns nil" do
          assert_equal @@eleven_am.next_record(field: 'time_of_birth'), nil
        end
      end

      class WithIntegerField < NextRecord
        test "defaults" do
          assert_equal @@six.next_record(field: 'total_friends'), @@seven
          assert_equal @@seven.next_record(field: 'total_friends'), @@eight
        end

        test "last record returns nil" do
          assert_equal @@eight.next_record(field: 'total_friends'), nil
        end
      end

      class WithStringField < NextRecord
        test "defaults" do
          assert_equal @@huey.next_record(field: 'name'), @@malcolm
          assert_equal @@malcolm.next_record(field: 'name'), @@mlk
        end

        test "last record returns nil" do
          assert_equal @@mlk.next_record(field: 'name'), nil
        end
      end
    end

    ####
    ## Previous Record
    ####

    class PreviousRecord < FieldTest
      class WithDateField < PreviousRecord
        test "defaults" do
          assert_equal @@feb_1965.previous_record(field: 'date_of_birth'), @@feb_1942
          assert_equal @@feb_1942.previous_record(field: 'date_of_birth'), @@jan_1929
        end

        test "first record returns nil" do
          assert_equal @@jan_1929.previous_record(field: 'date_of_birth'), nil
        end
      end

      class WithTimeField < PreviousRecord
        test "defaults" do
          assert_equal @@eleven_am.previous_record(field: 'time_of_birth'), @@ten_am
          assert_equal @@ten_am.previous_record(field: 'time_of_birth'), @@nine_am
        end

        test "first record returns nil" do
          assert_equal @@nine_am.previous_record(field: 'time_of_birth'), nil
        end
      end

      class WithIntegerField < PreviousRecord
        test "defaults" do
          assert_equal @@eight.previous_record(field: 'total_friends'), @@seven
          assert_equal @@seven.previous_record(field: 'total_friends'), @@six
        end

        test "first record returns nil" do
          assert_equal @@six.previous_record(field: 'total_friends'), nil
        end
      end

      class WithStringField < PreviousRecord
        test "defaults" do
          assert_equal @@mlk.previous_record(field: 'name'), @@malcolm
          assert_equal @@malcolm.previous_record(field: 'name'), @@huey
        end

        test "first record returns nil" do
          assert_equal @@huey.previous_record(field: 'name'), nil
        end
      end
    end
  end
end