skill-assessment-app/test/validators/answer_format_validator_test.rb

require 'test_helper'

class AnswerValidatable
  include ActiveModel::Validations

  attr_accessor :answer
  attr_accessor :question

  validates :answer, answer_format: true

  MockQuestion = Struct.new(:input_type)

  def initialize input_type
    @input_type = input_type
  end

  def question
    MockQuestion.new(@input_type)
  end
end

class AnswerFormatValidatorTest < ActiveSupport::TestCase
  # input_type RADIO

  test "radio should pass with string" do
    obj = AnswerValidatable.new('radio')
    obj.answer = 'option-1'

    assert obj.valid?
    assert obj.errors.messages.empty?
  end

  test "radio should FAIL with nil" do
    obj = AnswerValidatable.new('radio')
    obj.answer = nil

    refute obj.valid?
    assert_match(/select.*answer/, obj.errors.messages[:answer][0])
  end

  test "radio should FAIL with empty string" do
    obj = AnswerValidatable.new('radio')
    obj.answer = ''

    refute obj.valid?
    assert_match(/select.*answer/, obj.errors.messages[:answer][0])
  end

  # input_type TEXT

  test "text should PASS with string" do
    obj = AnswerValidatable.new('text')
    obj.answer = "this is a valid answer"

    assert obj.valid?
    assert obj.errors.messages.empty?
  end

  test "text should FAIL with nil" do
    obj = AnswerValidatable.new('text')
    obj.answer = nil

    refute obj.valid?
    assert_match(/enter.*answer/, obj.errors.messages[:answer][0])
  end

  test "text should FAIL with empry string" do
    obj = AnswerValidatable.new('text')
    obj.answer = "   "

    refute obj.valid?
    assert_match(/enter.*answer/, obj.errors.messages[:answer][0])
  end

  test "text should FAIL with more than 1000 charactures" do
    obj = AnswerValidatable.new('text')
    obj.answer = SecureRandom.urlsafe_base64(1001)

    refute obj.valid?
    assert_match(/char.*limit.*1000$/, obj.errors.messages[:answer][0])
  end

  # input_type CHECK BOX

  test "checkbox should PASS with populated array" do
    obj = AnswerValidatable.new('checkbox')
    obj.answer = ["", "", "valid answer"]

    assert obj.valid?
    assert obj.errors.messages.empty?
  end

  test "checkbox should FAIL with nil" do
    obj = AnswerValidatable.new('checkbox')
    obj.answer = nil

    refute obj.valid?
    assert_match(/select.*answer/, obj.errors.messages[:answer][0])
  end

  test "checkbox should FAIL with empty string" do
    obj = AnswerValidatable.new('checkbox')
    obj.answer = " "

    refute obj.valid?
    assert_match(/select.*answer/, obj.errors.messages[:answer][0])
  end

  test "checkbox should FAIL with array of empty strings" do
    obj = AnswerValidatable.new('checkbox')
    obj.answer = ["", "", "  "]

    refute obj.valid?
    assert_match(/select.*answer/, obj.errors.messages[:answer][0])
  end

  # input_type LIVE CODER
  test "live_code should PASS with populated hash" do
    obj = AnswerValidatable.new('live_code')
    obj.answer = { html: 'this is html', css: '', js: '' }

    assert obj.valid?
    assert obj.errors.messages.empty?
  end

  test "live_code should PASS with finish later" do
    obj = AnswerValidatable.new('live_code')
    obj.answer = { later: "true" }

    assert obj.valid?
    assert obj.errors.messages.empty?
  end

  test "live_code should FAIL with nil" do
    obj = AnswerValidatable.new('live_code')
    obj.answer = nil

    refute obj.valid?
    assert_match(/write.*code/, obj.errors.messages[:answer][0])
  end

  test "live_code should FAIL without checking finish later" do
    obj = AnswerValidatable.new('live_code')
    obj.answer = { "later" => "" }

    refute obj.valid?
    assert_match(/write.*code/, obj.errors.messages[:answer][0])
  end

  test "live_code should FAIL without values" do
    obj = AnswerValidatable.new('live_code')
    obj.answer = { "later" => "", "html" => "", "css" => "", "js" => "" }

    refute obj.valid?
    assert_match(/write.*code/, obj.errors.messages[:answer][0])
  end
end