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102 lines
2.6 KiB
Elixir
102 lines
2.6 KiB
Elixir
# Pleroma: A lightweight social networking server
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# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
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# SPDX-License-Identifier: AGPL-3.0-only
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defmodule Pleroma.Gun.ConnectionPoolTest do
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use Pleroma.DataCase
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import Mox
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import ExUnit.CaptureLog
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alias Pleroma.Config
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alias Pleroma.Gun.ConnectionPool
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defp gun_mock(_) do
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Pleroma.GunMock
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|> stub(:open, fn _, _, _ -> Task.start_link(fn -> Process.sleep(100) end) end)
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|> stub(:await_up, fn _, _ -> {:ok, :http} end)
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|> stub(:set_owner, fn _, _ -> :ok end)
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:ok
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end
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setup :set_mox_from_context
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setup :gun_mock
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test "gives the same connection to 2 concurrent requests" do
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Enum.map(
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[
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"http://www.korean-books.com.kp/KBMbooks/en/periodic/pictorial/20200530163914.pdf",
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"http://www.korean-books.com.kp/KBMbooks/en/periodic/pictorial/20200528183427.pdf"
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],
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fn uri ->
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uri = URI.parse(uri)
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task_parent = self()
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Task.start_link(fn ->
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{:ok, conn} = ConnectionPool.get_conn(uri, [])
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ConnectionPool.release_conn(conn)
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send(task_parent, conn)
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end)
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end
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)
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[pid, pid] =
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for _ <- 1..2 do
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receive do
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pid -> pid
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end
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end
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end
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test "connection limit is respected with concurrent requests" do
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clear_config([:connections_pool, :max_connections]) do
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Config.put([:connections_pool, :max_connections], 1)
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# The supervisor needs a reboot to apply the new config setting
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Process.exit(Process.whereis(Pleroma.Gun.ConnectionPool.WorkerSupervisor), :kill)
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on_exit(fn ->
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Process.exit(Process.whereis(Pleroma.Gun.ConnectionPool.WorkerSupervisor), :kill)
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end)
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end
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capture_log(fn ->
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Enum.map(
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[
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"https://ninenines.eu/",
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"https://youtu.be/PFGwMiDJKNY"
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],
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fn uri ->
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uri = URI.parse(uri)
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task_parent = self()
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Task.start_link(fn ->
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result = ConnectionPool.get_conn(uri, [])
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# Sleep so that we don't end up with a situation,
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# where request from the second process gets processed
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# only after the first process already released the connection
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Process.sleep(50)
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case result do
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{:ok, pid} ->
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ConnectionPool.release_conn(pid)
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_ ->
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nil
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end
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send(task_parent, result)
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end)
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end
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)
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[{:error, :pool_full}, {:ok, _pid}] =
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for _ <- 1..2 do
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receive do
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result -> result
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end
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end
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|> Enum.sort()
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end)
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end
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end
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