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selector.rb
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selector.rb
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module Capybara
class Selector
attr_reader :name, :custom_filters
class << self
def all
@selectors ||= {}
end
def add(name, &block)
all[name.to_sym] = Capybara::Selector.new(name.to_sym, &block)
end
def remove(name)
all.delete(name.to_sym)
end
end
def initialize(name, &block)
@name = name
@custom_filters = {}
@match = nil
@failure_message = nil
instance_eval(&block)
end
def xpath(&block)
@xpath = block if block
@xpath
end
# Same as xpath, but wrap in XPath.css().
def css(&block)
if block
@xpath = xpath { |*args| XPath.css(block.call(*args)) }
end
@xpath
end
def match(&block)
@match = block if block
@match
end
def failure_message(&block)
@failure_message = block if block
@failure_message
end
def call(locator)
@xpath.call(locator)
end
def match?(locator)
@match and @match.call(locator)
end
def filter(name, &block)
@custom_filters[name] = block
end
end
end
Capybara.add_selector(:xpath) do
xpath { |xpath| xpath }
end
Capybara.add_selector(:css) do
css { |css| css }
end
Capybara.add_selector(:id) do
xpath { |id| XPath.descendant[XPath.attr(:id) == id.to_s] }
match { |value| value.is_a?(Symbol) }
end
Capybara.add_selector(:field) do
xpath { |locator| XPath::HTML.field(locator) }
filter(:checked) { |node, value| not(value ^ node.checked?) }
filter(:unchecked) { |node, value| (value ^ node.checked?) }
filter(:with) { |node, with| node.value == with }
filter(:type) { |node, type| node[:type] == type }
end
Capybara.add_selector(:fieldset) do
xpath { |locator| XPath::HTML.fieldset(locator) }
end
Capybara.add_selector(:link_or_button) do
xpath { |locator| XPath::HTML.link_or_button(locator) }
failure_message { |node, selector| "no link or button '#{selector.locator}' found" }
end
Capybara.add_selector(:link) do
xpath { |locator| XPath::HTML.link(locator) }
failure_message { |node, selector| "no link with title, id or text '#{selector.locator}' found" }
filter(:href) do |node, href|
node.first(:xpath, XPath.axis(:self)[XPath.attr(:href).equals(href)])
end
end
Capybara.add_selector(:button) do
xpath { |locator| XPath::HTML.button(locator) }
failure_message { |node, selector| "no button with value or id or text '#{selector.locator}' found" }
end
Capybara.add_selector(:fillable_field) do
xpath { |locator| XPath::HTML.fillable_field(locator) }
failure_message { |node, selector| "no text field, text area or password field with id, name, or label '#{selector.locator}' found" }
end
Capybara.add_selector(:radio_button) do
xpath { |locator| XPath::HTML.radio_button(locator) }
failure_message { |node, selector| "no radio button with id, name, or label '#{selector.locator}' found" }
filter(:checked) { |node, value| not(value ^ node.checked?) }
filter(:unchecked) { |node, value| (value ^ node.checked?) }
end
Capybara.add_selector(:checkbox) do
xpath { |locator| XPath::HTML.checkbox(locator) }
failure_message { |node, selector| "no checkbox with id, name, or label '#{selector.locator}' found" }
filter(:checked) { |node, value| not(value ^ node.checked?) }
filter(:unchecked) { |node, value| (value ^ node.checked?) }
end
Capybara.add_selector(:select) do
xpath { |locator| XPath::HTML.select(locator) }
failure_message { |node, selector| "no select box with id, name, or label '#{selector.locator}' found" }
filter(:options) { |node, options| options.all? { |option| node.first(:option, option) } }
filter(:selected) do |node, selected|
actual = node.all(:xpath, './/option').select { |option| option.selected? }.map { |option| option.text }
([selected].flatten - actual).empty?
end
end
Capybara.add_selector(:option) do
xpath { |locator| XPath::HTML.option(locator) }
failure_message do |node, selector|
"no option with text '#{selector.locator}'".tap do |message|
if node.is_a?(Capybara::Node::Element) and node.tag_name == 'select'
message << " in the select box"
end
end
end
end
Capybara.add_selector(:file_field) do
xpath { |locator| XPath::HTML.file_field(locator) }
failure_message { |node, selector| "no file field with id, name, or label '#{selector.locator}' found" }
end
Capybara.add_selector(:content) do
xpath { |content| XPath::HTML.content(content) }
end
Capybara.add_selector(:table) do
xpath { |locator| XPath::HTML.table(locator) }
end