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excessibility

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Library for accessibility snapshot testing in Phoenix applications using axe-core and Playwright.

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excessibility lib browser_behavior.ex
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lib/browser_behavior.ex 

defmodule Excessibility.BrowserBehaviour do

  @moduledoc """

  Behaviour for browser page source extraction.



  This behaviour defines the interface for extracting HTML from Wallaby

  browser sessions.



  ## Mocking



  Implement this behaviour to mock browser operations in tests:



      Mox.defmock(Excessibility.BrowserMock, for: Excessibility.BrowserBehaviour)

      Application.put_env(:excessibility, :browser_mod, Excessibility.BrowserMock)



  The default implementation uses `Wallaby.Browser.page_source/1`.

  """



  @doc """

  Extracts the page source HTML from a Wallaby session.



  ## Parameters



  - `session` - A `Wallaby.Session` struct



  ## Returns



  The page HTML as a string.

  """

  @callback page_source(Wallaby.Session.t()) :: String.t()

end