lucky_nums_spec.rb.old

require 'rails-helper'
include RSpec::Expectations

CHARS = ('0'..'9').to_a

describe 'Main page' do
  def random_lucky(len)
    half = [0] * (3 - len) + CHARS.sample(len)
    (half + half.shuffle).join
  end

  def element_present?(how, what)
    @driver.find_element(how, what)
    true
  rescue Selenium::WebDriver::Error::NoSuchElementError
    false
  end

  before(:each) do
    @driver = Selenium::WebDriver.for :chrome
    @base_url = 'http://localhost:3000/'
    @accept_next_alert = true
    @driver.manage.timeouts.implicit_wait = 1
    @verification_errors = []
  end

  after(:each) do
    @driver.quit
    expect(@verification_errors).to be_empty
  end

  it 'should get input form' do
    @driver.get @base_url
    expect(element_present?(:xpath, '//form')).to eq true
    expect(element_present?(:xpath, '//form/input[@id=\'from\']')).to eq true
    expect(element_present?(:xpath, '//form/input[@id=\'to\']')).to eq true
    expect(element_present?(:xpath, '//form/div/input[@id=\'submit-btn\']')).to eq true
    expect(element_present?(:xpath, '//form/div/input[@id=\'clear-btn\']')).to eq true
  end

  it 'should get proper output from 0 to 9999 via AJAX' do
    @driver.get @base_url
    @driver.find_element(:id, 'from').click
    @driver.find_element(:id, 'from').clear
    @driver.find_element(:id, 'from').send_keys '0'
    @driver.find_element(:id, 'to').click
    @driver.find_element(:id, 'to').clear
    @driver.find_element(:id, 'to').send_keys '9999'
    @driver.find_element(:id, 'form').click
    @driver.find_element(:id, 'submit-btn').click
    nums = @driver.find_element(:id, 'result-table')
                  # .find_elements(:xpath, '//tbody[@id=\'result-table\']//td[2]')
                  .find_elements(:css, 'tr>:nth-child(2)')
                  .map(&:text)
    expect(nums.size).to eq(220)
    100.times do
      expect(nums).to include(random_lucky(1))
    end
  end

  def verify
    yield
  rescue ExpectationNotMetError => e
    @verification_errors << e
  end
end