Class: Selenium::WebDriver::Remote::Bridge

Inherits:
Object
  • Object
show all
Defined in:
lib/angular_webdriver/protractor/webdriver_patch.rb

Defined Under Namespace

Classes: WrappedParent

Constant Summary collapse

FIND_ELEMENT_METHODS = 
[:findElement, :findChildElement].freeze
FIND_ELEMENTS_METHODS = 
[:findElements, :findChildElements].freeze

Instance Attribute Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#protractor ⇒ Object

Returns the value of attribute protractor.



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# File 'lib/angular_webdriver/protractor/webdriver_patch.rb', line 64

def protractor
  @protractor
end

Instance Method Details

#driver_get(url) ⇒ Object

driver.get uses execute which invokes protractor.get protractor.get needs to call driver.get without invoking protractor.get.

this is accomplished by using driver_get and raw_execute



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# File 'lib/angular_webdriver/protractor/webdriver_patch.rb', line 205

def driver_get(url)
  raw_execute(:get, {}, :url => url)['value']
end

#execute(*args) ⇒ Object

executes a command on the remote server.

Returns the ‘value’ of the returned payload



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# File 'lib/angular_webdriver/protractor/webdriver_patch.rb', line 219

def execute(*args)
  raise 'Must initialize protractor' unless protractor
  method_symbol = args.first
  unless protractor.ignore_sync
    # override get method which has special sync logic
    # (not handled via sync method)
    if method_symbol == :get
      url = args.last[:url]
      return protractor.get url
    end

    protractor.sync method_symbol
  end

  timeout            = max_wait_seconds
  finder             = lambda { raw_execute(*args)['value'] }
  find_one_element   = FIND_ELEMENT_METHODS.include?(method_symbol)
  find_many_elements = FIND_ELEMENTS_METHODS.include?(method_symbol)

  if find_one_element
    wait(timeout: timeout, bubble: true) do
      finder.call
    end
  elsif find_many_elements
    result = []

    # Ignore any exceptions here because find_elements returns
    # an empty array when there are no values found, not an error.
    ignore do
      wait_true(timeout) do
        result = finder.call
        result.length > 0
      end
    end

    result ||= []
    result
  else # all other commands
    finder.call
  end
end

#find_element_by(how, what, parent = nil) ⇒ Object 



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# File 'lib/angular_webdriver/protractor/webdriver_patch.rb', line 169

def find_element_by(how, what, parent = nil)
  if protractor.finder? how
    return protractor_find(false, how, what, parent)
  end

  if parent
    id = execute :findChildElement, { :id => parent }, { :using => how, :value => what }
  else
    id = execute :findElement, {}, { :using => how, :value => what }
  end

  Element.new self, element_id_from(id)
end

#find_elements_by(how, what, parent = nil) ⇒ Object 



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# File 'lib/angular_webdriver/protractor/webdriver_patch.rb', line 183

def find_elements_by(how, what, parent = nil)
  if protractor.finder? how
    return protractor_find(true, how, what, parent)
  end

  if parent
    ids = execute :findChildElements, { :id => parent }, { :using => how, :value => what }
  else
    ids = execute :findElements, {}, { :using => how, :value => what }
  end

  ids.map { |id| Element.new self, element_id_from(id) }
end

#max_wait_seconds ⇒ Object 



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# File 'lib/angular_webdriver/protractor/webdriver_patch.rb', line 72

def max_wait_seconds
  # default to 0
  @max_wait_seconds ||= 0
end

#protractor_find(many, how, what, parent = nil) ⇒ Object 



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# File 'lib/angular_webdriver/protractor/webdriver_patch.rb', line 89

def protractor_find(many, how, what, parent = nil)
  timeout = max_wait_seconds

  # we have to waitForAngular here. unlike selenium locators,
  # protractor locators don't go through execute. execute uses
  # protractor.sync to run waitForAngular when finding elements.
  wait(timeout: timeout, bubble: true) { protractor.waitForAngular }

  # execute_script will invoke to_json on the parent, WrappedParent
  # ensures that the JSON produces the expected result.
  using         = parent ? WrappedParent.new(parent) : false
  root_selector = protractor.root_element
  comment       = "Protractor find by.#{how}"

  # args order from locators.js
  case how
    when 'binding', 'exactBinding'
      exact              = how == 'exactBinding'
      binding_descriptor = what
      args               = [binding_descriptor, exact, using, root_selector]
      protractor_js      = protractor.client_side_scripts.find_bindings
    when 'partialButtonText'
      search_text   = what
      args          = [search_text, using, root_selector]
      protractor_js = protractor.client_side_scripts.find_by_partial_button_text
    when 'buttonText'
      search_text   = what
      args          = [search_text, using, root_selector]
      protractor_js = protractor.client_side_scripts.find_by_button_text
    when 'model'
      model         = what
      args          = [model, using, root_selector]
      protractor_js = protractor.client_side_scripts.find_by_model
    when 'options'
      options_descriptor = what
      args               = [options_descriptor, using, root_selector]
      protractor_js      = protractor.client_side_scripts.find_by_options
    when 'cssContainingText'
      json          = JSON.parse what
      css_selector  = json['cssSelector']
      search_text   = json['searchText']
      args          = [css_selector, search_text, using, root_selector]
      protractor_js = protractor.client_side_scripts.find_by_css_containing_text
    when 'repeater' # includes 'exactRepeater'
      json          = JSON.parse what
      repeater_args = json['args'].values # json args is a hash
      # using and root_selector are always passed to repeater even
      # if the script doesn't use them.
      args          = repeater_args + [using, root_selector]

      # findRepeaterElement, findRepeaterRows, findRepeaterColumn, findAllRepeaterRows
      script_name   = json['script'].intern

      protractor_js = protractor.client_side_scripts.scripts[script_name]
  end

  finder = lambda { protractor.executeScript_(protractor_js, comment, *args) }

  result = []

  # Ignore any exceptions here because find_elements returns
  # an empty array when there are no values found, not an error.
  ignore do
    wait_true(timeout) do
      result = finder.call
      result.length > 0
    end
  end

  result ||= []

  if many
    return result
  else
    result = result.first
    return result if result
    fail ::Selenium::WebDriver::Error::NoSuchElementError
  end
end

#set_max_wait(value) ⇒ Object 



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# File 'lib/angular_webdriver/protractor/webdriver_patch.rb', line 66

def set_max_wait value
  fail 'set_max_wait value must be a number' unless value.is_a?(Numeric)
  # ensure no negative values
  @max_wait_seconds = value >= 0 ? value : 0
end