101 lines
2.6 KiB
Elixir
101 lines
2.6 KiB
Elixir
# Pleroma: A lightweight social networking server
|
|
# Copyright © 2017-2021 Pleroma Authors <https://pleroma.social/>
|
|
# SPDX-License-Identifier: AGPL-3.0-only
|
|
|
|
defmodule Pleroma.Gun.ConnectionPoolTest do
|
|
use Pleroma.DataCase
|
|
|
|
import Mox
|
|
import ExUnit.CaptureLog
|
|
alias Pleroma.Config
|
|
alias Pleroma.Gun.ConnectionPool
|
|
|
|
defp gun_mock(_) do
|
|
Pleroma.GunMock
|
|
|> stub(:open, fn _, _, _ -> Task.start_link(fn -> Process.sleep(100) end) end)
|
|
|> stub(:await_up, fn _, _ -> {:ok, :http} end)
|
|
|> stub(:set_owner, fn _, _ -> :ok end)
|
|
|
|
:ok
|
|
end
|
|
|
|
setup :gun_mock
|
|
|
|
test "gives the same connection to 2 concurrent requests" do
|
|
Enum.map(
|
|
[
|
|
"http://www.korean-books.com.kp/KBMbooks/en/periodic/pictorial/20200530163914.pdf",
|
|
"http://www.korean-books.com.kp/KBMbooks/en/periodic/pictorial/20200528183427.pdf"
|
|
],
|
|
fn uri ->
|
|
uri = URI.parse(uri)
|
|
task_parent = self()
|
|
|
|
Task.start_link(fn ->
|
|
{:ok, conn} = ConnectionPool.get_conn(uri, [])
|
|
ConnectionPool.release_conn(conn)
|
|
send(task_parent, conn)
|
|
end)
|
|
end
|
|
)
|
|
|
|
[pid, pid] =
|
|
for _ <- 1..2 do
|
|
receive do
|
|
pid -> pid
|
|
end
|
|
end
|
|
end
|
|
|
|
test "connection limit is respected with concurrent requests" do
|
|
clear_config([:connections_pool, :max_connections]) do
|
|
Config.put([:connections_pool, :max_connections], 1)
|
|
# The supervisor needs a reboot to apply the new config setting
|
|
Process.exit(Process.whereis(Pleroma.Gun.ConnectionPool.WorkerSupervisor), :kill)
|
|
|
|
on_exit(fn ->
|
|
Process.exit(Process.whereis(Pleroma.Gun.ConnectionPool.WorkerSupervisor), :kill)
|
|
end)
|
|
end
|
|
|
|
capture_log(fn ->
|
|
Enum.map(
|
|
[
|
|
"https://ninenines.eu/",
|
|
"https://youtu.be/PFGwMiDJKNY"
|
|
],
|
|
fn uri ->
|
|
uri = URI.parse(uri)
|
|
task_parent = self()
|
|
|
|
Task.start_link(fn ->
|
|
result = ConnectionPool.get_conn(uri, [])
|
|
# Sleep so that we don't end up with a situation,
|
|
# where request from the second process gets processed
|
|
# only after the first process already released the connection
|
|
Process.sleep(50)
|
|
|
|
case result do
|
|
{:ok, pid} ->
|
|
ConnectionPool.release_conn(pid)
|
|
|
|
_ ->
|
|
nil
|
|
end
|
|
|
|
send(task_parent, result)
|
|
end)
|
|
end
|
|
)
|
|
|
|
[{:error, :pool_full}, {:ok, _pid}] =
|
|
for _ <- 1..2 do
|
|
receive do
|
|
result -> result
|
|
end
|
|
end
|
|
|> Enum.sort()
|
|
end)
|
|
end
|
|
end
|