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How to use root method of Tests Package

Best Shoulda_ruby code snippet using Tests.root

html_selector.rb

Source:html_selector.rb

1require 'active_support/core_ext/module/attribute_accessors'2require_relative 'substitution_context'3class HTMLSelector #:nodoc:4  attr_reader :css_selector, :tests, :message5  def initialize(values, previous_selection = nil, &root_fallback)6    @values = values7    @root = extract_root(previous_selection, root_fallback)8    extract_selectors9    @tests = extract_equality_tests10    @message = @values.shift11    if @values.shift12      raise ArgumentError, "Not expecting that last argument, you either have too many arguments, or they're the wrong type"13    end14  end15  def selecting_no_body? #:nodoc:16    # Nokogiri gives the document a body element. Which means we can't17    # run an assertion expecting there to not be a body.18    @selector == 'body' && @tests[:count] == 019  end20  def select21    filter @root.css(@selector, context)22  end23  private24  NO_STRIP = %w{pre script style textarea}25  mattr_reader(:context) { SubstitutionContext.new }26  def filter(matches)27    match_with = tests[:text] || tests[:html]28    return matches if matches.empty? || !match_with29    content_mismatch = nil30    text_matches = tests.has_key?(:text)31    regex_matching = match_with.is_a?(Regexp)32    remaining = matches.reject do |match|33      # Preserve markup with to_s for html elements34      content = text_matches ? match.text : match.children.to_s35      content.strip! unless NO_STRIP.include?(match.name)36      content.sub!(/\A\n/, '') if text_matches && match.name == "textarea"37      next if regex_matching ? (content =~ match_with) : (content == match_with)38      content_mismatch ||= sprintf("<%s> expected but was\n<%s>.", match_with, content)39      true40    end41    @message ||= content_mismatch if remaining.empty?42    Nokogiri::XML::NodeSet.new(matches.document, remaining)43  end44  def extract_root(previous_selection, root_fallback)45    possible_root = @values.first46    if possible_root == nil47      raise ArgumentError, 'First argument is either selector or element ' \48        'to select, but nil found. Perhaps you called assert_select with ' \49        'an element that does not exist?'50    elsif possible_root.respond_to?(:css)51      @values.shift # remove the root, so selector is the first argument52      possible_root53    elsif previous_selection54      previous_selection55    else56      root_fallback.call57    end58  end59  def extract_selectors60    selector = @values.shift61    unless selector.is_a? String62      raise ArgumentError, "Expecting a selector as the first argument"63    end64    @css_selector = context.substitute!(selector, @values.dup, true)65    @selector     = context.substitute!(selector, @values)66  end67  def extract_equality_tests68    comparisons = {}69    case comparator = @values.shift70      when Hash...

root

Using AI Code Generation

1    assert_in_delta(2.0, @t.root(4), 0.0001)2    assert_in_delta(3.0, @t.root(9), 0.0001)3    assert_in_delta(4.0, @t.root(16), 0.0001)

root

Using AI Code Generation

1p test.root(9, 2)2p test.root(256, 4)3p test.root(100, 5)4p test.root(8, 3)5p test.root(0, 0)6p test.root(1, 2)7p test.root(2, 0)8p test.root(5, -1)9p test.root(-8, 3)10p test.root(8, -3)

root

Using AI Code Generation

1puts t.root(4)2puts t.root(-4)3puts t.root('4')

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