Module: Applitools::Selenium::DomCapture

Extended by:
DomCapture
Included in:
DomCapture
Defined in:
lib/applitools/selenium/dom_capture/dom_capture.rb,
lib/applitools/selenium/dom_capture/dom_capture_script.rb

Defined Under Namespace

Classes: DomParts

Constant Summary collapse

DOM_EXTRACTION_TIMEOUT =

seconds

300
CAPTURE_FRAME_SCRIPT = 
"/* @applitools/[email protected] */\n\nfunction __captureDomAndPoll() {\n  var captureDomAndPoll = (function () {\n  'use strict';\n\n  const styleProps = [\n    'background-repeat',\n    'background-origin',\n    'background-position',\n    'background-color',\n    'background-image',\n    'background-size',\n    'border-width',\n    'border-color',\n    'border-style',\n    'color',\n    'display',\n    'font-size',\n    'line-height',\n    'margin',\n    'opacity',\n    'overflow',\n    'padding',\n    'visibility',\n  ];\n\n  const rectProps = ['width', 'height', 'top', 'left'];\n\n  const ignoredTagNames = ['HEAD', 'SCRIPT'];\n\n  var defaultDomProps = {\n    styleProps,\n    rectProps,\n    ignoredTagNames,\n  };\n\n  const bgImageRe = /url\\((?!['\"]?:)['\"]?([^'\")]*)['\"]?\\)/;\n\n  function getBackgroundImageUrl(cssText) {\n    const match = cssText ? cssText.match(bgImageRe) : undefined;\n    return match ? match[1] : match;\n  }\n\n  var getBackgroundImageUrl_1 = getBackgroundImageUrl;\n\n  const psetTimeout = t =>\n    new Promise(res => {\n      setTimeout(res, t);\n    });\n\n  async function getImageSizes({bgImages, timeout = 5000, Image = window.Image}) {\n    return (\n      await Promise.all(\n        Array.from(bgImages).map(url =>\n          Promise.race([\n            new Promise(resolve => {\n              const img = new Image();\n              img.onload = () => resolve({url, width: img.naturalWidth, height: img.naturalHeight});\n              img.onerror = () => resolve();\n              img.src = url;\n            }),\n            psetTimeout(timeout),\n          ]),\n        ),\n      )\n    ).reduce((images, curr) => {\n      if (curr) {\n        images[curr.url] = {width: curr.width, height: curr.height};\n      }\n      return images;\n    }, {});\n  }\n\n  var getImageSizes_1 = getImageSizes;\n\n  function genXpath(el) {\n    if (!el.ownerDocument) return ''; // this is the document node\n\n    let xpath = '',\n      currEl = el,\n      doc = el.ownerDocument,\n      frameElement = doc.defaultView.frameElement;\n    while (currEl !== doc) {\n      xpath = `${currEl.tagName}[${getIndex(currEl)}]/${xpath}`;\n      currEl = currEl.parentNode;\n    }\n    if (frameElement) {\n      xpath = `${genXpath(frameElement)},${xpath}`;\n    }\n    return xpath.replace(/\\/$/, '');\n  }\n\n  function getIndex(el) {\n    return (\n      Array.prototype.filter\n        .call(el.parentNode.childNodes, node => node.tagName === el.tagName)\n        .indexOf(el) + 1\n    );\n  }\n\n  var genXpath_1 = genXpath;\n\n  function absolutizeUrl(url, absoluteUrl) {\n    return new URL(url, absoluteUrl).href;\n  }\n\n  var absolutizeUrl_1 = absolutizeUrl;\n\n  function makeGetBundledCssFromCssText({\n    parseCss,\n    CSSImportRule,\n    absolutizeUrl,\n    getCssFromCache,\n    unfetchedToken,\n  }) {\n    return function getBundledCssFromCssText(cssText, styleBaseUrl) {\n      let unfetchedResources;\n      let bundledCss = '';\n\n      try {\n        const styleSheet = parseCss(cssText);\n        for (const rule of Array.from(styleSheet.cssRules)) {\n          if (rule instanceof CSSImportRule) {\n            const nestedUrl = absolutizeUrl(rule.href, styleBaseUrl);\n            const nestedResource = getCssFromCache(nestedUrl);\n            if (nestedResource !== undefined) {\n              const {\n                bundledCss: nestedCssText,\n                unfetchedResources: nestedUnfetchedResources,\n              } = getBundledCssFromCssText(nestedResource, nestedUrl);\n\n              nestedUnfetchedResources && (unfetchedResources = new Set(nestedUnfetchedResources));\n              bundledCss = `${nestedCssText}${bundledCss}`;\n            } else {\n              unfetchedResources = new Set([nestedUrl]);\n              bundledCss = `\\n${unfetchedToken}${nestedUrl}${unfetchedToken}`;\n            }\n          }\n        }\n      } catch (ex) {\n        console.log(`error during getBundledCssFromCssText, styleBaseUrl=${styleBaseUrl}`, ex);\n      }\n\n      bundledCss = `${bundledCss}${getCss(cssText, styleBaseUrl)}`;\n\n      return {\n        bundledCss,\n        unfetchedResources,\n      };\n    };\n  }\n\n  function getCss(newText, url) {\n    return `\\n/** ${url} **/\\n${newText}`;\n  }\n\n  var getBundledCssFromCssText = makeGetBundledCssFromCssText;\n\n  function parseCss(styleContent) {\n    var doc = document.implementation.createHTMLDocument(''),\n      styleElement = doc.createElement('style');\n    styleElement.textContent = styleContent;\n    // the style will only be parsed once it is added to a document\n    doc.body.appendChild(styleElement);\n\n    return styleElement.sheet;\n  }\n\n  var parseCss_1 = parseCss;\n\n  function makeFetchCss(fetch) {\n    return async function fetchCss(url) {\n      try {\n        const response = await fetch(url, {cache: 'force-cache'});\n        if (response.ok) {\n          return await response.text();\n        }\n        console.log('/failed to fetch (status ' + response.status + ') css from: ' + url + '/');\n      } catch (err) {\n        console.log('/failed to fetch (error ' + err.toString() + ') css from: ' + url + '/');\n      }\n    };\n  }\n\n  var fetchCss = makeFetchCss;\n\n  var getHrefAttr = function getHrefAttr(node) {\n    const attr = Array.from(node.attributes).find(attr => attr.name.toLowerCase() === 'href');\n    return attr && attr.value;\n  };\n\n  var isLinkToStyleSheet = function isLinkToStyleSheet(node) {\n    return (\n      node.nodeName &&\n      node.nodeName.toUpperCase() === 'LINK' &&\n      node.attributes &&\n      Array.from(node.attributes).find(\n        attr => attr.name.toLowerCase() === 'rel' && attr.value.toLowerCase() === 'stylesheet',\n      )\n    );\n  };\n\n  function isDataUrl(url) {\n    return url && url.startsWith('data:');\n  }\n\n  var isDataUrl_1 = isDataUrl;\n\n  function makeExtractCssFromNode({getCssFromCache, absolutizeUrl}) {\n    return function extractCssFromNode(node, baseUrl) {\n      let cssText, styleBaseUrl, isUnfetched;\n      if (isStyleElement(node)) {\n        cssText = Array.from(node.childNodes)\n          .map(node => node.nodeValue)\n          .join('');\n        styleBaseUrl = baseUrl;\n      } else if (isLinkToStyleSheet(node)) {\n        const href = getHrefAttr(node);\n        if (!isDataUrl_1(href)) {\n          styleBaseUrl = absolutizeUrl(href, baseUrl);\n          cssText = getCssFromCache(styleBaseUrl);\n        } else {\n          styleBaseUrl = baseUrl;\n          cssText = href.match(/,(.+)/)[1];\n        }\n        isUnfetched = cssText === undefined;\n      }\n      return {cssText, styleBaseUrl, isUnfetched};\n    };\n  }\n\n  function isStyleElement(node) {\n    return node.nodeName && node.nodeName.toUpperCase() === 'STYLE';\n  }\n\n  var extractCssFromNode = makeExtractCssFromNode;\n\n  function makeCaptureNodeCss({extractCssFromNode, getBundledCssFromCssText, unfetchedToken}) {\n    return function captureNodeCss(node, baseUrl) {\n      const {styleBaseUrl, cssText, isUnfetched} = extractCssFromNode(node, baseUrl);\n\n      let unfetchedResources;\n      let bundledCss = '';\n      if (cssText) {\n        const {bundledCss: nestedCss, unfetchedResources: nestedUnfetched} = getBundledCssFromCssText(\n          cssText,\n          styleBaseUrl,\n        );\n\n        bundledCss += nestedCss;\n        unfetchedResources = new Set(nestedUnfetched);\n      } else if (isUnfetched) {\n        bundledCss += `${unfetchedToken}${styleBaseUrl}${unfetchedToken}`;\n        unfetchedResources = new Set([styleBaseUrl]);\n      }\n      return {bundledCss, unfetchedResources};\n    };\n  }\n\n  var captureNodeCss = makeCaptureNodeCss;\n\n  const NODE_TYPES = {\n    ELEMENT: 1,\n    TEXT: 3,\n  };\n\n  var nodeTypes = {NODE_TYPES};\n\n  const {NODE_TYPES: NODE_TYPES$1} = nodeTypes;\n\n\n\n\n\n  function makePrefetchAllCss(fetchCss) {\n    return async function prefetchAllCss(doc = document) {\n      const cssMap = {};\n      const start = Date.now();\n      const promises = [];\n      doFetchAllCssFromFrame(doc, cssMap, promises);\n      await Promise.all(promises);\n      console.log('[prefetchAllCss]', Date.now() - start);\n\n      return function fetchCssSync(url) {\n        return cssMap[url];\n      };\n\n      async function fetchNodeCss(node, baseUrl, cssMap) {\n        let cssText, resourceUrl;\n        if (isLinkToStyleSheet(node)) {\n          resourceUrl = absolutizeUrl_1(getHrefAttr(node), baseUrl);\n          cssText = await fetchCss(resourceUrl);\n          if (cssText !== undefined) {\n            cssMap[resourceUrl] = cssText;\n          }\n        }\n        if (cssText) {\n          await fetchBundledCss(cssText, resourceUrl, cssMap);\n        }\n      }\n\n      async function fetchBundledCss(cssText, resourceUrl, cssMap) {\n        try {\n          const styleSheet = parseCss_1(cssText);\n          const promises = [];\n          for (const rule of Array.from(styleSheet.cssRules)) {\n            if (rule instanceof CSSImportRule) {\n              promises.push(\n                (async () => {\n                  const nestedUrl = absolutizeUrl_1(rule.href, resourceUrl);\n                  const cssText = await fetchCss(nestedUrl);\n                  cssMap[nestedUrl] = cssText;\n                  if (cssText !== undefined) {\n                    await fetchBundledCss(cssText, nestedUrl, cssMap);\n                  }\n                })(),\n              );\n            }\n          }\n          await Promise.all(promises);\n        } catch (ex) {\n          console.log(`error during fetchBundledCss, resourceUrl=${resourceUrl}`, ex);\n        }\n      }\n\n      function doFetchAllCssFromFrame(frameDoc, cssMap, promises) {\n        fetchAllCssFromNode(frameDoc.documentElement);\n\n        function fetchAllCssFromNode(node) {\n          promises.push(fetchNodeCss(node, frameDoc.location.href, cssMap));\n\n          switch (node.nodeType) {\n            case NODE_TYPES$1.ELEMENT: {\n              const tagName = node.tagName.toUpperCase();\n              if (tagName === 'IFRAME') {\n                return fetchAllCssFromIframe(node);\n              } else {\n                return fetchAllCssFromElement(node);\n              }\n            }\n          }\n        }\n\n        async function fetchAllCssFromElement(el) {\n          Array.prototype.map.call(el.childNodes, fetchAllCssFromNode);\n        }\n\n        async function fetchAllCssFromIframe(el) {\n          fetchAllCssFromElement(el);\n          try {\n            doFetchAllCssFromFrame(el.contentDocument, cssMap, promises);\n          } catch (ex) {\n            console.log(ex);\n          }\n        }\n      }\n    };\n  }\n\n  var prefetchAllCss = makePrefetchAllCss;\n\n  const {NODE_TYPES: NODE_TYPES$2} = nodeTypes;\n\n  const API_VERSION = '1.1.0';\n\n  async function captureFrame(\n    {styleProps, rectProps, ignoredTagNames} = defaultDomProps,\n    doc = document,\n    addStats = false,\n  ) {\n    const performance = {total: {}, prefetchCss: {}, doCaptureFrame: {}, waitForImages: {}};\n    function startTime(obj) {\n      obj.startTime = Date.now();\n    }\n    function endTime(obj) {\n      obj.endTime = Date.now();\n      obj.ellapsedTime = obj.endTime - obj.startTime;\n    }\n    const promises = [];\n    startTime(performance.total);\n    const unfetchedResources = new Set();\n    const iframeCors = [];\n    const iframeToken = '@@@@@';\n    const unfetchedToken = '#####';\n    const separator = '-----';\n\n    startTime(performance.prefetchCss);\n    const prefetchAllCss$$1 = prefetchAllCss(fetchCss(fetch));\n    const getCssFromCache = await prefetchAllCss$$1(doc);\n    endTime(performance.prefetchCss);\n\n    const getBundledCssFromCssText$$1 = getBundledCssFromCssText({\n      parseCss: parseCss_1,\n      CSSImportRule,\n      getCssFromCache,\n      absolutizeUrl: absolutizeUrl_1,\n      unfetchedToken,\n    });\n    const extractCssFromNode$$1 = extractCssFromNode({getCssFromCache, absolutizeUrl: absolutizeUrl_1});\n    const captureNodeCss$$1 = captureNodeCss({\n      extractCssFromNode: extractCssFromNode$$1,\n      getBundledCssFromCssText: getBundledCssFromCssText$$1,\n      unfetchedToken,\n    });\n\n    startTime(performance.doCaptureFrame);\n    const capturedFrame = doCaptureFrame(doc);\n    endTime(performance.doCaptureFrame);\n\n    startTime(performance.waitForImages);\n    await Promise.all(promises);\n    endTime(performance.waitForImages);\n\n    // Note: Change the API_VERSION when changing json structure.\n    capturedFrame.version = API_VERSION;\n    capturedFrame.scriptVersion = '7.1.3';\n\n    const iframePrefix = iframeCors.length ? `${iframeCors.join('\\n')}\\n` : '';\n    const unfetchedPrefix = unfetchedResources.size\n      ? `${Array.from(unfetchedResources).join('\\n')}\\n`\n      : '';\n    const metaPrefix = JSON.stringify({\n      separator,\n      cssStartToken: unfetchedToken,\n      cssEndToken: unfetchedToken,\n      iframeStartToken: `\"${iframeToken}`,\n      iframeEndToken: `${iframeToken}\"`,\n    });\n\n    endTime(performance.total);\n\n    function stats() {\n      if (!addStats) {\n        return '';\n      }\n      return `\\n${separator}\\n${JSON.stringify(performance)}`;\n    }\n\n    const ret = `${metaPrefix}\\n${unfetchedPrefix}${separator}\\n${iframePrefix}${separator}\\n${JSON.stringify(\n    capturedFrame,\n  )}${stats()}`;\n    console.log('[captureFrame]', JSON.stringify(performance));\n    return ret;\n\n    function filter(x) {\n      return !!x;\n    }\n\n    function notEmptyObj(obj) {\n      return Object.keys(obj).length ? obj : undefined;\n    }\n\n    function captureTextNode(node) {\n      return {\n        tagName: '#text',\n        text: node.textContent,\n      };\n    }\n\n    function doCaptureFrame(frameDoc) {\n      const bgImages = new Set();\n      let bundledCss = '';\n      const ret = captureNode(frameDoc.documentElement);\n      ret.css = bundledCss;\n      promises.push(getImageSizes_1({bgImages}).then(images => (ret.images = images)));\n      return ret;\n\n      function captureNode(node) {\n        const {bundledCss: nodeCss, unfetchedResources: nodeUnfetched} = captureNodeCss$$1(\n          node,\n          frameDoc.location.href,\n        );\n        bundledCss += nodeCss;\n        if (nodeUnfetched) for (const elem of nodeUnfetched) unfetchedResources.add(elem);\n\n        switch (node.nodeType) {\n          case NODE_TYPES$2.TEXT: {\n            return captureTextNode(node);\n          }\n          case NODE_TYPES$2.ELEMENT: {\n            const tagName = node.tagName.toUpperCase();\n            if (tagName === 'IFRAME') {\n              return iframeToJSON(node);\n            } else {\n              return elementToJSON(node);\n            }\n          }\n          default: {\n            return null;\n          }\n        }\n      }\n\n      function elementToJSON(el) {\n        const childNodes = Array.prototype.map.call(el.childNodes, captureNode).filter(filter);\n\n        const tagName = el.tagName.toUpperCase();\n        if (ignoredTagNames.indexOf(tagName) > -1) return null;\n\n        const computedStyle = window.getComputedStyle(el);\n        const boundingClientRect = el.getBoundingClientRect();\n\n        const style = {};\n        for (const p of styleProps) style[p] = computedStyle.getPropertyValue(p);\n        if (!style['border-width']) {\n          style['border-width'] = `${computedStyle.getPropertyValue(\n          'border-top-width',\n        )} ${computedStyle.getPropertyValue('border-right-width')} ${computedStyle.getPropertyValue(\n          'border-bottom-width',\n        )} ${computedStyle.getPropertyValue('border-left-width')}`;\n        }\n\n        const rect = {};\n        for (const p of rectProps) rect[p] = boundingClientRect[p];\n\n        const attributes = Array.from(el.attributes)\n          .map(a => ({key: a.name, value: a.value}))\n          .reduce((obj, attr) => {\n            obj[attr.key] = attr.value;\n            return obj;\n          }, {});\n\n        const bgImage = getBackgroundImageUrl_1(computedStyle.getPropertyValue('background-image'));\n        if (bgImage) {\n          bgImages.add(bgImage);\n        }\n\n        return {\n          tagName,\n          style: notEmptyObj(style),\n          rect: notEmptyObj(rect),\n          attributes: notEmptyObj(attributes),\n          childNodes,\n        };\n      }\n\n      function iframeToJSON(el) {\n        const obj = elementToJSON(el);\n        let doc;\n        try {\n          doc = el.contentDocument;\n        } catch (ex) {\n          markFrameAsCors();\n          return obj;\n        }\n        try {\n          if (doc) {\n            obj.childNodes = [doCaptureFrame(el.contentDocument)];\n          } else {\n            markFrameAsCors();\n          }\n        } catch (ex) {\n          console.log('error in iframeToJSON', ex);\n        }\n        return obj;\n\n        function markFrameAsCors() {\n          const xpath = genXpath_1(el);\n          iframeCors.push(xpath);\n          obj.childNodes = [`${iframeToken}${xpath}${iframeToken}`];\n        }\n      }\n    }\n  }\n\n  var captureFrame_1 = captureFrame;\n\n  const EYES_NAME_SPACE = '__EYES__APPLITOOLS__';\n\n  function captureFrameAndPoll(...args) {\n    if (!window[EYES_NAME_SPACE]) {\n      window[EYES_NAME_SPACE] = {};\n    }\n    if (!window[EYES_NAME_SPACE].captureDomResult) {\n      window[EYES_NAME_SPACE].captureDomResult = {\n        status: 'WIP',\n        value: null,\n        error: null,\n      };\n      captureFrame_1(...args)\n        .then(r => ((resultObject.status = 'SUCCESS'), (resultObject.value = r)))\n        .catch(e => ((resultObject.status = 'ERROR'), (resultObject.error = e.message)));\n    }\n\n    const resultObject = window[EYES_NAME_SPACE].captureDomResult;\n    if (resultObject.status === 'SUCCESS') {\n      window[EYES_NAME_SPACE].captureDomResult = null;\n    }\n\n    return JSON.stringify(resultObject);\n  }\n\n  var captureFrameAndPoll_1 = captureFrameAndPoll;\n\n  return captureFrameAndPoll_1;\n\n}());\n\n  return captureDomAndPoll.apply(this, arguments);\n}\n"

Instance Method Summary collapse

Instance Method Details

#base_url(url) ⇒ Object 



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# File 'lib/applitools/selenium/dom_capture/dom_capture.rb', line 147

def base_url(url)
  uri = URI.parse(url)
  uri.query = uri.fragment = nil
  uri.path = ''
  uri
end

#fetch_css_files(missing_css_list, server_connector) ⇒ Object 



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# File 'lib/applitools/selenium/dom_capture/dom_capture.rb', line 67

def fetch_css_files(missing_css_list, server_connector)
  result = {}
  missing_css_list.each do |url|
    next if url.empty?
    next if /^blob:/ =~ url

    begin
      missing_css_response = server_connector.download_resource(
        url,
        Applitools::Utils::EyesSeleniumUtils.user_agent(driver)
      )
      response_headers = missing_css_response.headers
      raise Applitools::EyesError, "Wrong response header: #{response_headers['content-type']}" unless
          %r{^text/css.*}i =~ response_headers['content-type']

      css = missing_css_response.body

      found_and_missing_css =
        Applitools::Selenium::CssParser::FindEmbeddedResources.new(css).imported_css.map do |found_url|
          base_url(url).merge(found_url).to_s
        end
      fetch_css_files(found_and_missing_css, server_connector).each do |_k, v|
        css += v
      end

      result[url] = Oj.dump("\n/** #{url} **/\n" + css).gsub(/^\"|\"$/, '')
    rescue StandardError
      result[url] = ''
    end
  end
  result
end

#full_window_dom(driver, server_connector, logger, position_provider = nil) ⇒ Object 



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# File 'lib/applitools/selenium/dom_capture/dom_capture.rb', line 8

def full_window_dom(driver, server_connector, logger, position_provider = nil)
  return get_dom(driver, server_connector, logger) unless position_provider
  scroll_top_and_return_back(position_provider) do
    get_dom(driver, server_connector, logger)
  end
end

#get_dom(driver, server_connector, logger) ⇒ Object 



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# File 'lib/applitools/selenium/dom_capture/dom_capture.rb', line 15

def get_dom(driver, server_connector, logger)
  original_frame_chain = driver.frame_chain
  dom = get_frame_dom(driver, server_connector, logger)
  unless original_frame_chain.empty?
    driver.switch_to.default_content
    driver.switch_to.frames(frame_chain: original_frame_chain)
  end
  # CSS processing
  dom
end

#get_frame_dom(driver, server_connector, logger) ⇒ Object 



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# File 'lib/applitools/selenium/dom_capture/dom_capture.rb', line 26

def get_frame_dom(driver, server_connector, logger)
  logger.info 'Trying to get DOM from driver'
  start_time = Time.now
  script_response = nil
  loop do
    result_as_string = driver.execute_script(CAPTURE_FRAME_SCRIPT + ' return __captureDomAndPoll();')
    script_response = Oj.load(result_as_string)
    status = script_response['status']
    break if status == 'SUCCESS'
    raise Applitools::EyesError, 'DOM extraction timeout!' if Time.now - start_time > DOM_EXTRACTION_TIMEOUT
    raise Applitools::EyesError, "DOM extraction error: #{script_response['error']}" if script_response['error']
    sleep(0.2)
  end
  response_lines = script_response['value'].split(/\r?\n/)
  separators = Oj.load(response_lines.shift)
  missing_css_list = []
  missing_frame_list = []
  data = []

  blocks = DomParts.new(missing_css_list, missing_frame_list, data)
  collector = blocks.collectors.next
  response_lines.each do |line|
    if line == separators['separator']
      collector = blocks.collectors.next
    else
      collector << line
    end
  end
  logger.info "Missing CSS: #{missing_css_list.count}"
  logger.info "Missing frames: #{missing_frame_list.count}"

  frame_data = recurse_frames(driver, server_connector, logger, missing_frame_list)
  result = replace(separators['iframeStartToken'], separators['iframeEndToken'], data.first, frame_data)
  css_data = fetch_css_files(missing_css_list, server_connector)
  replace(separators['cssStartToken'], separators['cssEndToken'], result, css_data)
rescue StandardError => e
  logger.error(e.class)
  logger.error(e.message)
  return ''
end

#recurse_frames(driver, server_connector, logger, missing_frame_list) ⇒ Object 



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# File 'lib/applitools/selenium/dom_capture/dom_capture.rb', line 100

def recurse_frames(driver, server_connector, logger, missing_frame_list)
  return if missing_frame_list.empty?
  frame_data = {}
  frame_chain = driver.frame_chain
  origin_location = driver.execute_script('return document.location.href')
  missing_frame_list.each do |missing_frame_line|
    logger.info "Switching to frame line: #{missing_frame_line}"
    missing_frame_line.split(/,/).each do |xpath|
      logger.info "switching to specific frame: #{xpath}"
      begin
        frame_element = driver.find_element(:xpath, xpath)
        frame_src = frame_element.attribute('src')
        driver.switch_to.frame(frame_element)
        logger.info "Switched to frame ( #{xpath} ) with src( #{frame_src} )"
      ensure
        location_after_switch = driver.execute_script('return document.location.href')

        if origin_location == location_after_switch
          logger.info "Switch to frame (#{missing_frame_line}) failed"
          frame_data[missing_frame_line] = ''
        else
          result = get_frame_dom(driver, server_connector, logger)
          frame_data[missing_frame_line] = result
        end

        driver.switch_to.default_content
        driver.switch_to.frames(frame_chain: frame_chain)
      end
    end
  end
  frame_data
end

#replace(open_token, close_token, input, replacements) ⇒ Object 



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# File 'lib/applitools/selenium/dom_capture/dom_capture.rb', line 142

def replace(open_token, close_token, input, replacements)
  pattern = /#{open_token}(?<key>.+?)#{close_token}/
  input.gsub(pattern) { |_m| replacements[Regexp.last_match(1)] }
end

#scroll_top_and_return_back(position_provider) ⇒ Object 



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# File 'lib/applitools/selenium/dom_capture/dom_capture.rb', line 133

def scroll_top_and_return_back(position_provider)
  original_position = position_provider.current_position
  return yield if block_given? && original_position.nil?
  position_provider.scroll_to Applitools::Location.new(0, 0)
  result = yield if block_given?
  position_provider.scroll_to original_position
  result
end