Class: Selenium::WebDriver::Chrome::Options

Inherits:
Options
  • Object
show all
Defined in:
lib/selenium/webdriver/chrome/options.rb

Direct Known Subclasses

Edge::Options

Constant Summary collapse

KEY = 
'goog:chromeOptions'
BROWSER = 
'chrome'
CAPABILITIES =

see: chromedriver.chromium.org/capabilities

{args: 'args',
binary: 'binary',
local_state: 'localState',
prefs: 'prefs',
detach: 'detach',
debugger_address: 'debuggerAddress',
exclude_switches: 'excludeSwitches',
minidump_path: 'minidumpPath',
emulation: 'mobileEmulation',
perf_logging_prefs: 'perfLoggingPrefs',
window_types: 'windowTypes',
android_package: 'androidPackage',
android_activity: 'androidActivity',
android_device_serial: 'androidDeviceSerial',
android_use_running_app: 'androidUseRunningApp'}.freeze

Constants inherited from Options

Options::W3C_OPTIONS

Instance Attribute Summary collapse

Attributes inherited from Options

#options

Instance Method Summary collapse

Methods inherited from Options

#==, #add_option, #as_json, chrome, edge, firefox, ie, safari, set_capabilities

Constructor Details

#initialize(profile: nil, **opts) ⇒ Options

Create a new Options instance.

Examples:

options = Selenium::WebDriver::Chrome::Options.new(args: ['start-maximized', 'user-data-dir=/tmp/temp_profile'])
driver = Selenium::WebDriver.for(:chrome, capabilities: options)

Parameters:

  • profile (Profile) (defaults to: nil) —

    An instance of a Chrome::Profile Class

  • opts (Hash) —

    the pre-defined options to create the Chrome::Options with

Options Hash (**opts):

  • encoded_extensions (Array) —

    List of extensions that do not need to be Base64 encoded

  • args (Array<String>) —

    List of command-line arguments to use when starting Chrome

  • binary (String) —

    Path to the Chrome executable to use

  • prefs (Hash) —

    A hash with each entry consisting of the name of the preference and its value

  • extensions (Array<String>) —

    A list of paths to (.crx) Chrome extensions to install on startup

  • options (Hash) —

    A hash for raw options

  • emulation (Hash) —

    A hash for raw emulation options

  • local_state (Hash) —

    A hash for the Local State file in the user data folder

  • detach (Boolean) —

    whether browser is closed when the driver is sent the quit command

  • debugger_address (String) —

    address of a Chrome debugger server to connect to

  • exclude_switches (Array<String>) —

    command line switches to exclude

  • minidump_path (String) —

    Directory to store Chrome minidumps (linux only)

  • perf_logging_prefs (Hash) —

    A hash for performance logging preferences

  • window_types (Array<String>) —

    A list of window types to appear in the list of window handles


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# File 'lib/selenium/webdriver/chrome/options.rb', line 73

def initialize(profile: nil, **opts)
  super(**opts)

  @profile = profile

  @options = {args: [],
              prefs: {},
              emulation: {},
              extensions: [],
              local_state: {},
              exclude_switches: [],
              perf_logging_prefs: {},
              window_types: []}.merge(@options)

  @logging_prefs = options.delete(:logging_prefs) || {}
  @encoded_extensions = @options.delete(:encoded_extensions) || []
  @extensions = []
  @options.delete(:extensions).each { |ext| validate_extension(ext) }
end

Instance Attribute Details

#extensions ⇒ Object

NOTE: special handling of 'extensions' to validate when set instead of when used


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# File 'lib/selenium/webdriver/chrome/options.rb', line 47

def extensions
  @extensions
end

#logging_prefs ⇒ Object

Returns the value of attribute logging_prefs.


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# File 'lib/selenium/webdriver/chrome/options.rb', line 24

def logging_prefs
  @logging_prefs
end

#profile ⇒ Object

Returns the value of attribute profile.


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# File 'lib/selenium/webdriver/chrome/options.rb', line 24

def profile
  @profile
end

Instance Method Details

#add_argument(arg) ⇒ Object

Add a command-line argument to use when starting Chrome.

Examples:

Start Chrome maximized

options = Selenium::WebDriver::Chrome::Options.new
options.add_argument('start-maximized')

Parameters:

  • arg (String) —

    The command-line argument to add


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# File 'lib/selenium/webdriver/chrome/options.rb', line 146

def add_argument(arg)
  @options[:args] << arg
end

#add_emulation(**opts) ⇒ Object

Add emulation device information

see: chromedriver.chromium.org/mobile-emulation

Examples:

Start Chrome in mobile emulation mode by device name

options = Selenium::WebDriver::Chrome::Options.new
options.add_emulation(device_name: 'iPhone 6')

Start Chrome in mobile emulation mode by device metrics

options = Selenium::WebDriver::Chrome::Options.new
options.add_emulation(device_metrics: {width: 400, height: 800, pixelRatio: 1, touch: true})

Parameters:

  • opts (Hash) —

    the pre-defined options for adding mobile emulation values

Options Hash (**opts):

  • :device_name (String) —

    A valid device name from the Chrome DevTools Emulation panel

  • :device_metrics (Hash) —

    Hash containing width, height, pixelRatio, touch

  • :user_agent (String) —

    Full user agent


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# File 'lib/selenium/webdriver/chrome/options.rb', line 196

def add_emulation(**opts)
  @options[:emulation] = opts
end

#add_encoded_extension(encoded) ⇒ Object

Add an extension by Base64-encoded string.

Examples:

options = Selenium::WebDriver::Chrome::Options.new
options.add_encoded_extension(encoded_string)

Parameters:

  • encoded (String) —

    The Base64-encoded string of the .crx file


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# File 'lib/selenium/webdriver/chrome/options.rb', line 132

def add_encoded_extension(encoded)
  @encoded_extensions << encoded
end

#add_extension(path) ⇒ Object

Add an extension by local path.

Examples:

options = Selenium::WebDriver::Chrome::Options.new
options.add_extension('/path/to/extension.crx')

Parameters:

  • path (String) —

    The local path to the .crx file


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# File 'lib/selenium/webdriver/chrome/options.rb', line 103

def add_extension(path)
  validate_extension(path)
end

#add_preference(name, value) ⇒ Object

Add a preference that is only applied to the user profile in use.

Examples:

Set the default homepage

options = Selenium::WebDriver::Chrome::Options.new
options.add_preference('homepage', 'http://www.seleniumhq.com/')

Parameters:

  • name (String) —

    Key of the preference

  • value (Boolean, String, Integer) —

    Value of the preference


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# File 'lib/selenium/webdriver/chrome/options.rb', line 161

def add_preference(name, value)
  @options[:prefs][name] = value
end

#enable_android(package: 'com.android.chrome', serial_number: nil, use_running_app: nil, activity: nil) ⇒ Object

Enables mobile browser use on Android.

Parameters:

  • package (String) (defaults to: 'com.android.chrome') —

    The package name of the Chrome or WebView app.

  • serial_number (String) (defaults to: nil) —

    The device serial number on which to launch the Chrome or WebView app.

  • use_running_app (String) (defaults to: nil) —

    When true uses an already-running Chrome or WebView app, instead of launching the app with a clear data directory.

  • activity (String) (defaults to: nil) —

    Name of the Activity hosting the WebView (Not available on Chrome Apps).

See Also:


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# File 'lib/selenium/webdriver/chrome/options.rb', line 212

def enable_android(package: 'com.android.chrome', serial_number: nil, use_running_app: nil, activity: nil)
  @options[:android_package] = package
  @options[:android_activity] = activity unless activity.nil?
  @options[:android_device_serial] = serial_number unless serial_number.nil?
  @options[:android_use_running_app] = use_running_app unless use_running_app.nil?
end

#headless! ⇒ Object

Run Chrome in headless mode.

Examples:

Enable headless mode

options = Selenium::WebDriver::Chrome::Options.new
options.headless!

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# File 'lib/selenium/webdriver/chrome/options.rb', line 173

def headless!
  add_argument '--headless'
end