How to use add_emulation method of Selenium.WebDriver.Chrome Package

Best Selenium code snippet using Selenium.WebDriver.Chrome.add_emulation

options.rb

Source: options.rb Github

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...125 # Add an emulation device name126 #127 # @example Start Chrome in mobile emulation mode by device name128 # options = Selenium::WebDriver::Chrome::Options.new129 # options.add_emulation(device_name: 'iPhone 6')130 #131 # @example Start Chrome in mobile emulation mode by device metrics132 # options = Selenium::WebDriver::Chrome::Options.new133 # options.add_emulation(device_metrics: {width: 400, height: 800, pixelRatio: 1, touch: true})134 #135 # @param [String] device_name Name of the device or a hash containing width, height, pixelRatio, touch136 # @param [Hash] device_metrics Hash containing width, height, pixelRatio, touch137 # @param [String] user_agent Full user agent138 #139 def add_emulation(device_name: nil, device_metrics: nil, user_agent: nil)140 @emulation[:deviceName] = device_name if device_name141 @emulation[:deviceMetrics] = device_metrics if device_metrics142 @emulation[:userAgent] = user_agent if user_agent143 end144 #145 # @api private146 #147 def as_json(*)148 extensions = @extensions.map do |crx_path|149 File.open(crx_path, 'rb') { |crx_file| Base64.strict_encode64 crx_file.read }150 end151 extensions.concat(@encoded_extensions)152 opts = @options153 opts[:binary] = @binary if @binary...

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env.rb

Source: env.rb Github

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...26 Capybara.register_driver(:selenium) do |app|27 options = Selenium::WebDriver::Chrome::Options.new(28 args: %w[--remote-debugging-port=9222 --incognito --disable-gpu --no-sandbox --disable-web-security]29 )30 # options.add_emulation(device_name: "#{$DEVICE}")31 capabilities = Selenium::WebDriver::Remote::Capabilities.chrome(32 acceptInsecureCerts: true,33 )34 capabilities["browserName"] = "chrome"35 capabilities["version"] = "87.0"36 capabilities["enableVNC"] = true37 capabilities["enableVideo"] = true38 Capybara::Selenium::Driver.new(39 app,40 browser: :remote,41 url: "http:/​/​localhost:4444/​wd/​hub",42 options: options,43 desired_capabilities: capabilities44)45end46elsif ENV['chrome']47 Capybara.javascript_driver = :selenium48 Capybara.default_driver = :selenium49 Capybara.register_driver(:selenium) do |app|50 options = Selenium::WebDriver::Chrome::Options.new(51 args: %w[--incognito --disable-gpu --no-sandbox --disable-web-security --window-size=1024,768]52 )53 read_timeout = 40054 capabilities = Selenium::WebDriver::Remote::Capabilities.chrome(55 acceptInsecureCerts: true,56 )57 Capybara::Selenium::Driver.new(58 app,59 browser: :chrome,60 options: options,61 desired_capabilities: capabilities62 )63end64# elsif ENV['host']65# Capybara.register_driver(:selenium) do |app|66# options = Selenium::WebDriver::Chrome::Options.new(67# args: %w[--incognito --disable-gpu --no-sandbox --disable-web-security]68# )69# options.add_emulation(device_name: 'Galaxy S5')70# read_timeout = 40071# capabilities = Selenium::WebDriver::Remote::Capabilities.chrome(72# acceptInsecureCerts: true,73# )74# Capybara::Selenium::Driver.new(75# app,76# browser: :chrome,77# options: options,78# desired_capabilities: capabilities79# )80# end81elsif ENV['chrome_headless']82 Capybara.javascript_driver = :selenium_chrome_headless83 Capybara.default_driver = :selenium_chrome_headless84 Capybara.register_driver(:selenium_chrome_headless) do |app|85 options = Selenium::WebDriver::Chrome::Options.new(86 args: %w[87 --headless 88 --incognito 89 --disable-gpu 90 --no-sandbox 91 --disable-setuid-sandbox 92 --disable-web-security 93 --window-size=1366,76894 --start-maximized95 --disable-infobars96 ]97 )98 client = Selenium::WebDriver::Remote::Http::Default.new99 client.read_timeout = 240100 # read_timeout = 800101 capabilities = Selenium::WebDriver::Remote::Capabilities.chrome(102 acceptInsecureCerts: true,103 )104 Capybara::Selenium::Driver.new(105 app,106 browser: :chrome,107 options: options,108 http_client: client,109 desired_capabilities: capabilities110 )111end112elsif ENV['chrome_mobile']113 Capybara.javascript_driver = :selenium114 Capybara.default_driver = :selenium115 Capybara.register_driver(:selenium) do |app|116 options = Selenium::WebDriver::Chrome::Options.new(117 args: %w[--incognito --disable-gpu --no-sandbox --disable-web-security]118 )119 options.add_emulation(device_name: "#{$DEVICE}")120 read_timeout = 400121 capabilities = Selenium::WebDriver::Remote::Capabilities.chrome(122 acceptInsecureCerts: true,123 )124 Capybara::Selenium::Driver.new(125 app,126 browser: :chrome,127 options: options,128 desired_capabilities: capabilities129 )130end131elsif ENV['chrome_mobile_headless']132 Capybara.javascript_driver = :selenium133 Capybara.default_driver = :selenium134 Capybara.register_driver(:selenium) do |app|135 options = Selenium::WebDriver::Chrome::Options.new(136 args: %w[--headless --incognito --disable-gpu --no-sandbox --disable-web-security]137 )138 options.add_emulation(device_name: "#{$DEVICE}")139 read_timeout = 400140 capabilities = Selenium::WebDriver::Remote::Capabilities.chrome(141 acceptInsecureCerts: true,142 )143 Capybara::Selenium::Driver.new(144 app,145 browser: :chrome,146 options: options,147 desired_capabilities: capabilities148 )149end150elsif ENV['chromium']151 Capybara.javascript_driver = :selenium152 Capybara.default_driver = :selenium...

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add_emulation

Using AI Code Generation

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1driver.add_emulation(device_metrics: {width: 360, height: 640, pixel_ratio: 3.0},2 user_agent: "Mozilla/​5.0 (Linux; Android 4.4; Nexus 5 Build/​KRT16M) AppleWebKit/​537.36 (KHTML, like Gecko) Chrome/​30.0.1599.105 Mobile Safari/​537.36")3options.add_argument('--window-size=360,640')4options.add_argument('--disable-gpu')5options.add_argument('--user-agent=Mozilla/​5.0 (Linux; Android 4.4; Nexus 5 Build/​KRT16M) AppleWebKit/​537.36 (KHTML, like Gecko) Chrome/​30.0.1599.105 Mobile Safari/​537.36')6options.add_emulation(device_metrics: {width: 360, height: 640, pixel_ratio: 3.0},7 user_agent: "Mozilla/​5.0 (Linux; Android 4.4; Nexus 5 Build/​KRT16M) AppleWebKit/​537.36 (KHTML, like Gecko) Chrome/​30.0.1599.105 Mobile Safari/​537.36")8options.add_argument('--window-size=360,640')9options.add_argument('--disable-gpu')10options.add_argument('--user-agent=Mozilla/​5.0 (Linux; Android 4.4; Nexus 5 Build/​KRT16M) AppleWebKit/​537.36 (KHTML, like Gecko) Chrome/​30.0.1599.105 Mobile Safari/​537.36')11options.add_emulation(device_name: "Google Nexus 5")

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add_emulation

Using AI Code Generation

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1driver.add_emulation(device_metrics: { width: 360, height: 640, pixel_ratio: 3.0 }, user_agent: "Mozilla/​5.0 (Linux; Android 4.2.1; en-us; Nexus 4 Build/​JOP40D) AppleWebKit/​535.19 (KHTML, like Gecko) Chrome/​18.0.1025.166 Mobile Safari/​535.19")2options.add_emulation(device_metrics: { width: 360, height: 640, pixel_ratio: 3.0 }, user_agent: "Mozilla/​5.0 (Linux; Android 4.2.1; en-us; Nexus 4 Build/​JOP40D) AppleWebKit/​535.19 (KHTML, like Gecko) Chrome/​18.0.1025.166 Mobile Safari/​535.19")3driver.add_emulation(device_metrics: { width: 360, height: 640, pixel_ratio: 3.0 }, user_agent: "Mozilla/​5.0 (Linux; Android 4.2.1; en-us; Nexus 4 Build/​JOP40D) AppleWebKit/​535.19 (KHTML, like Gecko) Chrome/​18.0.1025.166 Mobile Safari/​535.19")

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add_emulation

Using AI Code Generation

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1driver.add_emulation(device_metrics: { width: 1000, height: 700, pixel_ratio: 3.0 },2 user_agent: 'Mozilla/​5.0 (iPhone; CPU iPhone OS 11_0 like Mac OS X) AppleWebKit/​604.1.38 (KHTML, like Gecko) Version/​11.0 Mobile/​15A372 Safari/​604.1')3options.add_emulation(device_metrics: { width: 1000, height: 700, pixel_ratio: 3.0 },4 user_agent: 'Mozilla/​5.0 (iPhone; CPU iPhone OS 11_0 like Mac OS X) AppleWebKit/​604.1.38 (KHTML, like Gecko) Version/​11.0 Mobile/​15A372 Safari/​604.1')5options.add_emulation(device_metrics: { width: 1000, height: 700, pixel_ratio: 3.0 },6 user_agent: 'Mozilla/​5.0 (iPhone; CPU iPhone OS 11_0 like Mac OS X) AppleWebKit/​604.1.38 (KHTML, like Gecko) Version/​11.0 Mobile/​15A372 Safari/​604.1')7driver = Selenium::WebDriver.for :chrome, options: { args: ['--disable-extensions', 'disable-infobars', 'window-size=1000,700', 'user-agent=Mozilla/​5.0 (iPhone; CPU iPhone OS 11_0 like Mac OS X) AppleWebKit/​604.1.38 (KHTML, like Gecko) Version/​11.0 Mobile/​15A372 Safari/​604.1'] }

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add_emulation

Using AI Code Generation

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1caps = Selenium::WebDriver::Remote::Capabilities.chrome("chromeOptions" => {"mobileEmulation" => {"deviceName" => "Apple iPhone 6"}})2caps = Selenium::WebDriver::Remote::Capabilities.chrome("chromeOptions" => {"mobileEmulation" => {"deviceMetrics" => {"width" => 360, "height" => 640, "pixelRatio" => 3.0}, "userAgent" => "Mozilla/​5.0 (Linux; Android 4.4; en-us; Nexus 5 Build/​KRT16M) AppleWebKit/​537.36 (KHTML, like Gecko) Chrome/​35.0.1916.138 Mobile Safari/​537.36"}})3caps = Selenium::WebDriver::Remote::Capabilities.chrome("chromeOptions" => {"mobileEmulation" => {"deviceMetrics" => {"width" => 360, "height" => 640, "pixelRatio" => 3.0}, "userAgent" => "Mozilla/​5.0 (Linux; Android 4.4; en-us; Nexus 5 Build/​KRT16M) AppleWebKit/​537.36 (KHTML, like Gecko) Chrome/​35.0.1916.138 Mobile Safari/​537.36"}})4caps = Selenium::WebDriver::Remote::Capabilities.chrome("chromeOptions" => {"mobileEmulation" => {"deviceMetrics" => {"width" => 360, "height" => 640, "pixelRatio

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add_emulation

Using AI Code Generation

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1driver.manage.add_emulation(device_name: "iPhone 6")2driver.manage.add_emulation(device_name: "iPhone 6", user_agent: "Mozilla/​5.0 (iPhone; CPU iPhone OS 12_0 like Mac OS X) AppleWebKit/​605.1.15 (KHTML, like Gecko) Version/​12.0 Mobile/​15E148 Safari/​604.1")3driver.manage.add_emulation(device_name: "iPhone 6", viewport: {width: 375, height: 667, device_scale_factor: 2, is_mobile: true, has_touch: true, is_landscape: false})4driver.manage.add_emulation(device_name: "iPhone 6", user_agent: "Mozilla/​5.0 (iPhone; CPU iPhone OS 12_0 like Mac OS X) AppleWebKit/​605.1.15 (KHTML, like Gecko) Version/​12.0 Mobile/​15E148 Safari/​604.1", viewport: {width: 375, height: 667, device_scale_factor: 2, is_mobile: true, has_touch: true, is_landscape: false})

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add_emulation

Using AI Code Generation

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1driver.add_emulation(device_name: "iPhone 6")2driver.add_emulation(device_metrics: {width: 360, height: 640, pixel_ratio: 3.0, touch: true, mobile: true})3driver.add_emulation(user_agent: "Mozilla/​5.0 (Linux; Android 4.4; Nexus 5 Build/​KRT16M) AppleWebKit/​537.36 (KHTML, like Gecko) Chrome/​32.0.1700.99 Mobile Safari/​537.36")4driver.add_emulation(device_name: "iPhone 6", device_metrics: {width: 360, height: 640, pixel_ratio: 3.0, touch: true, mobile: true})5driver.add_emulation(device_name: "iPhone 6", user_agent: "Mozilla/​5.0 (Linux; Android 4.4; Nexus 5 Build/​KRT16M) AppleWebKit/​537.36 (KHTML, like Gecko) Chrome/​32.0.1700.99 Mobile Safari/​537.36")

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add_emulation

Using AI Code Generation

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1metrics = Selenium::WebDriver::Chrome::DeviceMetrics.new(2options.add_emulation(device_metrics: metrics)3driver.find_element(:name, 'q').send_keys 'selenium'4driver.find_element(:name, 'btnK').click5result = driver.find_element(:xpath, "/​/​div[@id='rso']/​/​h3/​a")6puts result.attribute('href')

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add_emulation

Using AI Code Generation

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1driver.add_emulation(device_metrics: { width: 1000, height: 700, pixel_ratio: 3.0 },2 user_agent: 'Mozilla/​5.0 (iPhone; CPU iPhone OS 11_0 like Mac OS X) AppleWebKit/​604.1.38 (KHTML, like Gecko) Version/​11.0 Mobile/​15A372 Safari/​604.1')3options.add_emulation(device_metrics: { width: 1000, height: 700, pixel_ratio: 3.0 },4 user_agent: 'Mozilla/​5.0 (iPhone; CPU iPhone OS 11_0 like Mac OS X) AppleWebKit/​604.1.38 (KHTML, like Gecko) Version/​11.0 Mobile/​15A372 Safari/​604.1')5options.add_emulation(device_metrics: { width: 1000, height: 700, pixel_ratio: 3.0 },6 user_agent: 'Mozilla/​5.0 (iPhone; CPU iPhone OS 11_0 like Mac OS X) AppleWebKit/​604.1.38 (KHTML, like Gecko) Version/​11.0 Mobile/​15A372 Safari/​604.1')7driver = Selenium::WebDriver.for :chrome, options: { args: ['--disable-extensions', 'disable-infobars', 'window-size=1000,700', 'user-agent=Mozilla/​5.0 (iPhone; CPU iPhone OS 11_0 like Mac OS X) AppleWebKit/​604.1.38 (KHTML, like Gecko) Version/​11.0 Mobile/​15A372 Safari/​604.1'] }

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The Ruby selenium-webdriver API doesn't expose a separate Chrome options object like Java/Python but you can set the options via "Capabilities".

The Capabilities web page provides a Ruby example and the table of recognized capabilities that you can inject. Plugging those together with excludeSwitches:

caps = Selenium::WebDriver::Remote::Capabilities.chrome("chromeOptions" => {"excludeSwitches" => [ "--ignore-certificate-errors" ]})
driver = Selenium::WebDriver.for :chrome, desired_capabilities: caps

Take a look at Watir too, it's a front end for WebDriver.
Their examples show how you can send a :switches array which is passed straight through to the web driver so you can do the same. That makes adding other switches a bit easier rather than going through capabilities.

There is a chromedriver issue on the topic as well. There are posts detailing that you can add a --test-type argument to work around the certificate issue and ruby code examples like above.

https://stackoverflow.com/questions/24874707/unsupported-command-line-flag-ignore-certificate-errors-in-ruby

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