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phoenix_test_playwright

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Execute PhoenixTest cases in an actual browser via Playwright.

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phoenix_test_playwright lib phoenix_test playwright page.ex
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lib/phoenix_test/playwright/page.ex 

defmodule PhoenixTest.Playwright.Page do

  @moduledoc """

  Interact with a Playwright `Page`.



  There is no official documentation, since this is considered Playwright internal.



  References:

  - https://github.com/microsoft/playwright/blob/main/packages/playwright-core/src/client/page.ts

  """



  import PhoenixTest.Playwright.Connection, only: [post: 1]



  def update_subscription(page_id, opts \\ []) do

    post(guid: page_id, method: :update_subscription, params: Map.new(opts))

  end



  def screenshot(page_id, opts \\ []) do

    # Playwright options: https://playwright.dev/docs/api/class-page#page-screenshot

    params =

      opts

      |> Keyword.validate!(full_page: true, omit_background: false)

      |> Map.new()



    [guid: page_id, method: :screenshot, params: params]

    |> post()

    |> unwrap_response(& &1.result.binary)

  end



  defp unwrap_response(response, fun) do

    case response do

      %{error: _} = error -> {:error, error}

      _ -> {:ok, fun.(response)}

    end

  end

end