Class: Applitools::Selenium::Browser
- Inherits:
-
Object
- Object
- Applitools::Selenium::Browser
- Defined in:
- lib/applitools/selenium/browser.rb
Constant Summary collapse
- JS_GET_USER_AGENT =
<<-JS.freeze return navigator.userAgent; JS
- JS_GET_DEVICE_PIXEL_RATIO =
<<-JS.freeze return window.devicePixelRatio; JS
- JS_GET_PAGE_METRICS =
<<-JS.freeze return { scrollWidth: document.documentElement.scrollWidth, bodyScrollWidth: document.body.scrollWidth, clientHeight: document.documentElement.clientHeight, bodyClientHeight: document.body.clientHeight, scrollHeight: document.documentElement.scrollHeight, bodyScrollHeight: document.body.scrollHeight }; JS
- JS_GET_CURRENT_SCROLL_POSITION =
<<-JS.freeze return (function() { var doc = document.documentElement; var x = (window.scrollX || window.pageXOffset || doc.scrollLeft) - (doc.clientLeft || 0); var y = (window.scrollY || window.pageYOffset || doc.scrollTop) - (doc.clientTop || 0); return {left: parseInt(x, 10) || 0, top: parseInt(y, 10) || 0}; }()); JS
- JS_SCROLL_TO =
<<-JS.freeze window.scrollTo(%{left}, %{top}); JS
- JS_GET_CURRENT_TRANSFORM =
<<-JS.freeze return document.body.style.transform; JS
- JS_SET_TRANSFORM =
<<-JS.freeze return (function() { var originalTransform = document.body.style.transform; document.body.style.transform = '%{transform}'; return originalTransform; }()); JS
- JS_SET_OVERFLOW =
<<-JS.freeze return (function() { var origOF = document.documentElement.style.overflow; document.documentElement.style.overflow = '%{overflow}'; return origOF; }()); JS
- EPSILON_WIDTH =
12
- MIN_SCREENSHOT_PART_HEIGHT =
10
- MAX_SCROLLBAR_SIZE =
50
- OVERFLOW_HIDDEN =
'hidden'.freeze
Instance Method Summary collapse
- #chrome? ⇒ Boolean
- #current_scroll_position ⇒ Object
- #current_transform ⇒ Object
- #entire_page_size ⇒ Object
- #fullpage_screenshot ⇒ Object
-
#hide_scrollbars ⇒ Object
Hide the main document’s scrollbars and returns the original overflow value.
- #image_normalization_factor(image) ⇒ Object
-
#initialize(driver, eyes) ⇒ Browser
constructor
A new instance of Browser.
- #scroll_to(point) ⇒ Object
-
#set_overflow(overflow) ⇒ Object
Set the overflow value for document element and return the original overflow value.
-
#set_transform(transform) ⇒ Object
rubocop:disable Style/AccessorMethodName.
- #translate_to(point) ⇒ Object
- #user_agent ⇒ Object
Constructor Details
#initialize(driver, eyes) ⇒ Browser
Returns a new instance of Browser.
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# File 'lib/applitools/selenium/browser.rb', line 61 def initialize(driver, eyes) @driver = driver @eyes = eyes end |
Instance Method Details
#chrome? ⇒ Boolean
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# File 'lib/applitools/selenium/browser.rb', line 66 def chrome? @driver.browser == :chrome end |
#current_scroll_position ⇒ Object
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# File 'lib/applitools/selenium/browser.rb', line 104 def current_scroll_position position = Applitools::Utils.underscore_hash_keys(execute_script(JS_GET_CURRENT_SCROLL_POSITION)) Applitools::Base::Point.new(position[:left], position[:top]) end |
#current_transform ⇒ Object
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# File 'lib/applitools/selenium/browser.rb', line 113 def current_transform execute_script(JS_GET_CURRENT_TRANSFORM) end |
#entire_page_size ⇒ Object
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# File 'lib/applitools/selenium/browser.rb', line 94 def entire_page_size max_document_element_height = [page_metrics[:client_height], page_metrics[:scroll_height]].max max_body_height = [page_metrics[:body_client_height], page_metrics[:body_scroll_height]].max total_width = [page_metrics[:scroll_width], page_metrics[:body_scroll_width]].max total_height = [max_document_element_height, max_body_height].max Applitools::Base::Dimension.new(total_width, total_height) end |
#fullpage_screenshot ⇒ Object
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# File 'lib/applitools/selenium/browser.rb', line 137 def fullpage_screenshot # Scroll to the top/left corner of the screen. original_scroll_position = current_scroll_position scroll_to(Applitools::Base::Point::TOP_LEFT) if current_scroll_position != Applitools::Base::Point::TOP_LEFT raise 'Could not scroll to the top/left corner of the screen!' end # Translate to top/left of the page (notice this is different from JavaScript scrolling). if @eyes.use_css_transition original_transform = current_transform translate_to(Applitools::Base::Point::TOP_LEFT) end # Take screenshot of the (0,0) tile. screenshot = @driver.visible_screenshot # Normalize screenshot width/height. size_factor = 1 page_size = entire_page_size factor = image_normalization_factor(screenshot) if factor == 0.5 size_factor = 2 page_size.width *= size_factor page_size.height *= size_factor page_size.width = [page_size.width, screenshot.width].max end # NOTE: this is required! Since when calculating the screenshot parts for full size, we use a screenshot size # which is a bit smaller (see comment below). if screenshot.width < page_size.width || screenshot.height < page_size.height # We use a smaller size than the actual screenshot size in order to eliminate duplication of bottom scroll bars, # as well as footer-like elements with fixed position. = @eyes.use_css_transition ? 0 : MAX_SCROLLBAR_SIZE height = [screenshot.height - ( * size_factor), MIN_SCREENSHOT_PART_HEIGHT * size_factor].max screenshot_part_size = Applitools::Base::Dimension.new(screenshot.width, height) sub_regions = Applitools::Base::Region.new(0, 0, page_size.width, page_size.height).subregions(screenshot_part_size) parts = sub_regions.map do |screenshot_part| # Skip (0,0), as we already got the screenshot. if screenshot_part.left.zero? && screenshot_part.top.zero? next Applitools::Base::ImagePosition.new(screenshot, Applitools::Base::Point::TOP_LEFT) end process_screenshot_part(screenshot_part, size_factor) end screenshot = Applitools::Utils::ImageUtils.stitch_images(page_size, parts) end set_transform(original_transform) if @eyes.use_css_transition scroll_to(original_scroll_position) screenshot end |
#hide_scrollbars ⇒ Object
Hide the main document’s scrollbars and returns the original overflow value.
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# File 'lib/applitools/selenium/browser.rb', line 129 def set_overflow(OVERFLOW_HIDDEN) end |
#image_normalization_factor(image) ⇒ Object
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# File 'lib/applitools/selenium/browser.rb', line 82 def image_normalization_factor(image) # If the user manually set the scale ratio, we use that. return @eyes.scale_ratio unless @eyes.scale_ratio.nil? if image.width == @eyes...width || (image.width - entire_page_size.width).abs <= EPSILON_WIDTH return 1 end 1.to_f / device_pixel_ratio end |
#scroll_to(point) ⇒ Object
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# File 'lib/applitools/selenium/browser.rb', line 109 def scroll_to(point) execute_script(JS_SCROLL_TO % { left: point.left, top: point.top }, 0.25) end |
#set_overflow(overflow) ⇒ Object
Set the overflow value for document element and return the original overflow value.
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# File 'lib/applitools/selenium/browser.rb', line 123 def set_overflow(overflow) execute_script(JS_SET_OVERFLOW % { overflow: overflow }, 0.1) end |
#set_transform(transform) ⇒ Object
rubocop:disable Style/AccessorMethodName
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# File 'lib/applitools/selenium/browser.rb', line 118 def set_transform(transform) execute_script(JS_SET_TRANSFORM % { transform: transform }, 0.25) end |
#translate_to(point) ⇒ Object
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# File 'lib/applitools/selenium/browser.rb', line 133 def translate_to(point) set_transform("translate(-#{point.left}px, -#{point.top}px)") end |
#user_agent ⇒ Object
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# File 'lib/applitools/selenium/browser.rb', line 70 def user_agent return @user_agent if defined?(@user_agent) @user_agent = begin execute_script(JS_GET_USER_AGENT).freeze rescue => e Applitools::EyesLogger.error "Failed to obtain user-agent: (#{e.})" nil end end |