Revert "Merge branch 'rewrite/integration-test-websocket-client' into 'develop'"

This reverts merge request !3649

1 files changed, 27 insertions, 166 deletions

diff --git a/test/support/websocket_client.ex b/test/support/websocket_client.ex
index 43f2854de..d149b324e 100644
--- a/test/support/websocket_client.ex
+++ b/test/support/websocket_client.ex
@@ -3,199 +3,60 @@
 # SPDX-License-Identifier: AGPL-3.0-only
 
 defmodule Pleroma.Integration.WebsocketClient do
-  @moduledoc """
-  A WebSocket client used to test Mastodon API streaming
-
-  Based on Phoenix Framework's WebsocketClient
-  https://github.com/phoenixframework/phoenix/blob/master/test/support/websocket_client.exs
-  """
-
-  use GenServer
-  import Kernel, except: [send: 2]
-
-  defstruct [
-    :conn,
-    :request_ref,
-    :websocket,
-    :caller,
-    :status,
-    :resp_headers,
-    :sender,
-    closing?: false
-  ]
+  # https://github.com/phoenixframework/phoenix/blob/master/test/support/websocket_client.exs
 
   @doc """
-  Starts the WebSocket client for given ws URL. `Phoenix.Socket.Message`s
-  received from the server are forwarded to the sender pid.
+  Starts the WebSocket server for given ws URL. Received Socket.Message's
+  are forwarded to the sender pid
   """
-  def connect(sender, url, headers \\ []) do
-    with {:ok, socket} <- GenServer.start_link(__MODULE__, {sender}),
-         {:ok, :connected} <- GenServer.call(socket, {:connect, url, headers}) do
-      {:ok, socket}
-    end
+  def start_link(sender, url, headers \\ []) do
+    :crypto.start()
+    :ssl.start()
+
+    :websocket_client.start_link(
+      String.to_charlist(url),
+      __MODULE__,
+      [sender],
+      extra_headers: headers
+    )
   end
 
   @doc """
   Closes the socket
   """
   def close(socket) do
-    GenServer.cast(socket, :close)
+    send(socket, :close)
   end
 
   @doc """
   Sends a low-level text message to the client.
   """
   def send_text(server_pid, msg) do
-    GenServer.call(server_pid, {:text, msg})
+    send(server_pid, {:text, msg})
   end
 
   @doc false
-  def init({sender}) do
-    state = %__MODULE__{sender: sender}
-
-    {:ok, state}
+  def init([sender], _conn_state) do
+    {:ok, %{sender: sender}}
   end
 
   @doc false
-  def handle_call({:connect, url, headers}, from, state) do
-    uri = URI.parse(url)
-
-    http_scheme =
-      case uri.scheme do
-        "ws" -> :http
-        "wss" -> :https
-      end
-
-    ws_scheme =
-      case uri.scheme do
-        "ws" -> :ws
-        "wss" -> :wss
-      end
-
-    path =
-      case uri.query do
-        nil -> uri.path
-        query -> uri.path <> "?" <> query
-      end
-
-    with {:ok, conn} <- Mint.HTTP.connect(http_scheme, uri.host, uri.port),
-         {:ok, conn, ref} <- Mint.WebSocket.upgrade(ws_scheme, conn, path, headers) do
-      state = %{state | conn: conn, request_ref: ref, caller: from}
-      {:noreply, state}
-    else
-      {:error, reason} ->
-        {:reply, {:error, reason}, state}
-
-      {:error, conn, reason} ->
-        {:reply, {:error, reason}, put_in(state.conn, conn)}
-    end
+  def websocket_handle(frame, _conn_state, state) do
+    send(state.sender, frame)
+    {:ok, state}
   end
 
   @doc false
-  def handle_info(message, state) do
-    case Mint.WebSocket.stream(state.conn, message) do
-      {:ok, conn, responses} ->
-        state = put_in(state.conn, conn) |> handle_responses(responses)
-        if state.closing?, do: do_close(state), else: {:noreply, state}
-
-      {:error, conn, reason, _responses} ->
-        state = put_in(state.conn, conn) |> reply({:error, reason})
-        {:noreply, state}
-
-      :unknown ->
-        {:noreply, state}
-    end
-  end
-
-  defp do_close(state) do
-    # Streaming a close frame may fail if the server has already closed
-    # for writing.
-    _ = stream_frame(state, :close)
-    Mint.HTTP.close(state.conn)
-    {:stop, :normal, state}
-  end
-
-  defp handle_responses(state, responses)
-
-  defp handle_responses(%{request_ref: ref} = state, [{:status, ref, status} | rest]) do
-    put_in(state.status, status)
-    |> handle_responses(rest)
-  end
-
-  defp handle_responses(%{request_ref: ref} = state, [{:headers, ref, resp_headers} | rest]) do
-    put_in(state.resp_headers, resp_headers)
-    |> handle_responses(rest)
-  end
-
-  defp handle_responses(%{request_ref: ref} = state, [{:done, ref} | rest]) do
-    case Mint.WebSocket.new(state.conn, ref, state.status, state.resp_headers) do
-      {:ok, conn, websocket} ->
-        %{state | conn: conn, websocket: websocket, status: nil, resp_headers: nil}
-        |> reply({:ok, :connected})
-        |> handle_responses(rest)
-
-      {:error, conn, reason} ->
-        put_in(state.conn, conn)
-        |> reply({:error, reason})
-    end
+  def websocket_info({:text, msg}, _conn_state, state) do
+    {:reply, {:text, msg}, state}
   end
 
-  defp handle_responses(%{request_ref: ref, websocket: websocket} = state, [
-         {:data, ref, data} | rest
-       ])
-       when websocket != nil do
-    case Mint.WebSocket.decode(websocket, data) do
-      {:ok, websocket, frames} ->
-        put_in(state.websocket, websocket)
-        |> handle_frames(frames)
-        |> handle_responses(rest)
-
-      {:error, websocket, reason} ->
-        put_in(state.websocket, websocket)
-        |> reply({:error, reason})
-    end
+  def websocket_info(:close, _conn_state, _state) do
+    {:close, <<>>, "done"}
   end
 
-  defp handle_responses(state, [_response | rest]) do
-    handle_responses(state, rest)
-  end
-
-  defp handle_responses(state, []), do: state
-
-  defp handle_frames(state, frames) do
-    {frames, state} =
-      Enum.flat_map_reduce(frames, state, fn
-        # prepare to close the connection when a close frame is received
-        {:close, _code, _data}, state ->
-          {[], put_in(state.closing?, true)}
-
-        frame, state ->
-          {[frame], state}
-      end)
-
-    Enum.each(frames, &Kernel.send(state.sender, &1))
-
-    state
-  end
-
-  defp reply(state, response) do
-    if state.caller, do: GenServer.reply(state.caller, response)
-    put_in(state.caller, nil)
-  end
-
-  # Encodes a frame as a binary and sends it along the wire, keeping `conn`
-  # and `websocket` up to date in `state`.
-  defp stream_frame(state, frame) do
-    with {:ok, websocket, data} <- Mint.WebSocket.encode(state.websocket, frame),
-         state = put_in(state.websocket, websocket),
-         {:ok, conn} <- Mint.WebSocket.stream_request_body(state.conn, state.request_ref, data) do
-      {:ok, put_in(state.conn, conn)}
-    else
-      {:error, %Mint.WebSocket{} = websocket, reason} ->
-        {:error, put_in(state.websocket, websocket), reason}
-
-      {:error, conn, reason} ->
-        {:error, put_in(state.conn, conn), reason}
-    end
+  @doc false
+  def websocket_terminate(_reason, _conn_state, _state) do
+    :ok
   end
 end