Class: Specbook::ViewerController

Inherits:
ApplicationController show all
Defined in:
app/controllers/specbook/viewer_controller.rb

Instance Method Summary collapse

Instance Method Details

#screenshot ⇒ Object 



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# File 'app/controllers/specbook/viewer_controller.rb', line 14

def screenshot
  filename = params[:filename]
  return head(:bad_request) unless filename.match?(/\Astep_\d{4}_\d{3}\.png\z/)

  path = screenshot_dir.join(filename)
  return head(:not_found) unless File.exist?(path)

  send_file path, type: "image/png", disposition: "inline"
end

#show ⇒ Object 



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# File 'app/controllers/specbook/viewer_controller.rb', line 6

def show
  @manifest = load_manifest
  @traces = load_traces
  @features = load_features
  @specbook_js_config = build_js_config
  render "specbook/viewer/show", layout: false
end

#trace ⇒ Object 



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# File 'app/controllers/specbook/viewer_controller.rb', line 24

def trace
  filename = params[:filename]
  return head(:bad_request) unless filename.match?(/\A[\w\-]+\.zip\z/)

  path = Specbook.config.trace_root.join(filename)
  return head(:not_found) unless File.exist?(path)

  send_file path, type: "application/zip", disposition: "attachment"
end

#view_trace ⇒ Object 



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# File 'app/controllers/specbook/viewer_controller.rb', line 34

def view_trace
  filename = params[:filename]
  return head(:bad_request) unless filename.match?(/\A[\w\-]+\.zip\z/)

  path = Specbook.config.trace_root.join(filename)
  return head(:not_found) unless File.exist?(path)

  port = Specbook.config.trace_viewer_port

  # Kill any existing trace viewer on this port
  system("lsof -ti:#{port} | xargs kill -9 2>/dev/null")
  sleep 0.2

  # Launch Playwright trace viewer on fixed port (headless — no browser open)
  spawn(
    "npx playwright show-trace --port #{port} --host 127.0.0.1 #{path}",
    [:out, :err] => "/dev/null"
  )

  # Wait for server to be ready
  5.times do
    sleep 0.3
    break if port_open?(port)
  end

  render json: { url: "http://127.0.0.1:#{port}" }
end