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+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
+defmodule Pleroma.HTTP.AdapterHelper.GunTest do
+ use ExUnit.Case, async: true
+ use Pleroma.Tests.Helpers
+
+ import Mox
+
+ alias Pleroma.Config
+ alias Pleroma.Gun.Conn
+ alias Pleroma.HTTP.AdapterHelper.Gun
+ alias Pleroma.Pool.Connections
+
+ setup :verify_on_exit!
+
+ defp gun_mock(_) do
+ gun_mock()
+ :ok
+ end
+
+ defp gun_mock do
+ Pleroma.GunMock
+ |> stub(:open, fn _, _, _ -> Task.start_link(fn -> Process.sleep(1000) end) end)
+ |> stub(:await_up, fn _, _ -> {:ok, :http} end)
+ |> stub(:set_owner, fn _, _ -> :ok end)
+ end
+
+ describe "options/1" do
+ setup do: clear_config([:http, :adapter], a: 1, b: 2)
+
+ test "https url with default port" do
+ uri = URI.parse("https://example.com")
+
+ opts = Gun.options([receive_conn: false], uri)
+ assert opts[:certificates_verification]
+ assert opts[:tls_opts][:log_level] == :warning
+ end
+
+ test "https ipv4 with default port" do
+ uri = URI.parse("https://127.0.0.1")
+
+ opts = Gun.options([receive_conn: false], uri)
+ assert opts[:certificates_verification]
+ assert opts[:tls_opts][:log_level] == :warning
+ end
+
+ test "https ipv6 with default port" do
+ uri = URI.parse("https://[2a03:2880:f10c:83:face:b00c:0:25de]")
+
+ opts = Gun.options([receive_conn: false], uri)
+ assert opts[:certificates_verification]
+ assert opts[:tls_opts][:log_level] == :warning
+ end
+
+ test "https url with non standart port" do
+ uri = URI.parse("https://example.com:115")
+
+ opts = Gun.options([receive_conn: false], uri)
+
+ assert opts[:certificates_verification]
+ end
+
+ test "get conn on next request" do
+ gun_mock()
+ level = Application.get_env(:logger, :level)
+ Logger.configure(level: :debug)
+ on_exit(fn -> Logger.configure(level: level) end)
+ uri = URI.parse("http://some-domain2.com")
+
+ opts = Gun.options(uri)
+
+ assert opts[:conn] == nil
+ assert opts[:close_conn] == nil
+
+ Process.sleep(50)
+ opts = Gun.options(uri)
+
+ assert is_pid(opts[:conn])
+ assert opts[:close_conn] == false
+ end
+
+ test "merges with defaul http adapter config" do
+ defaults = Gun.options([receive_conn: false], URI.parse("https://example.com"))
+ assert Keyword.has_key?(defaults, :a)
+ assert Keyword.has_key?(defaults, :b)
+ end
+
+ test "default ssl adapter opts with connection" do
+ gun_mock()
+ uri = URI.parse("https://some-domain.com")
+
+ :ok = Conn.open(uri, :gun_connections)
+
+ opts = Gun.options(uri)
+
+ assert opts[:certificates_verification]
+ refute opts[:tls_opts] == []
+
+ assert opts[:close_conn] == false
+ assert is_pid(opts[:conn])
+ end
+
+ test "parses string proxy host & port" do
+ proxy = Config.get([:http, :proxy_url])
+ Config.put([:http, :proxy_url], "localhost:8123")
+ on_exit(fn -> Config.put([:http, :proxy_url], proxy) end)
+
+ uri = URI.parse("https://some-domain.com")
+ opts = Gun.options([receive_conn: false], uri)
+ assert opts[:proxy] == {'localhost', 8123}
+ end
+
+ test "parses tuple proxy scheme host and port" do
+ proxy = Config.get([:http, :proxy_url])
+ Config.put([:http, :proxy_url], {:socks, 'localhost', 1234})
+ on_exit(fn -> Config.put([:http, :proxy_url], proxy) end)
+
+ uri = URI.parse("https://some-domain.com")
+ opts = Gun.options([receive_conn: false], uri)
+ assert opts[:proxy] == {:socks, 'localhost', 1234}
+ end
+
+ test "passed opts have more weight than defaults" do
+ proxy = Config.get([:http, :proxy_url])
+ Config.put([:http, :proxy_url], {:socks5, 'localhost', 1234})
+ on_exit(fn -> Config.put([:http, :proxy_url], proxy) end)
+ uri = URI.parse("https://some-domain.com")
+ opts = Gun.options([receive_conn: false, proxy: {'example.com', 4321}], uri)
+
+ assert opts[:proxy] == {'example.com', 4321}
+ end
+ end
+
+ describe "options/1 with receive_conn parameter" do
+ setup :gun_mock
+
+ test "receive conn by default" do
+ uri = URI.parse("http://another-domain.com")
+ :ok = Conn.open(uri, :gun_connections)
+
+ received_opts = Gun.options(uri)
+ assert received_opts[:close_conn] == false
+ assert is_pid(received_opts[:conn])
+ end
+
+ test "don't receive conn if receive_conn is false" do
+ uri = URI.parse("http://another-domain.com")
+ :ok = Conn.open(uri, :gun_connections)
+
+ opts = [receive_conn: false]
+ received_opts = Gun.options(opts, uri)
+ assert received_opts[:close_conn] == nil
+ assert received_opts[:conn] == nil
+ end
+ end
+
+ describe "after_request/1" do
+ setup :gun_mock
+
+ test "body_as not chunks" do
+ uri = URI.parse("http://some-domain.com")
+ :ok = Conn.open(uri, :gun_connections)
+ opts = Gun.options(uri)
+ :ok = Gun.after_request(opts)
+ conn = opts[:conn]
+
+ assert %Connections{
+ conns: %{
+ "http:some-domain.com:80" => %Pleroma.Gun.Conn{
+ conn: ^conn,
+ conn_state: :idle,
+ used_by: []
+ }
+ }
+ } = Connections.get_state(:gun_connections)
+ end
+
+ test "body_as chunks" do
+ uri = URI.parse("http://some-domain.com")
+ :ok = Conn.open(uri, :gun_connections)
+ opts = Gun.options([body_as: :chunks], uri)
+ :ok = Gun.after_request(opts)
+ conn = opts[:conn]
+ self = self()
+
+ assert %Connections{
+ conns: %{
+ "http:some-domain.com:80" => %Pleroma.Gun.Conn{
+ conn: ^conn,
+ conn_state: :active,
+ used_by: [{^self, _}]
+ }
+ }
+ } = Connections.get_state(:gun_connections)
+ end
+
+ test "with no connection" do
+ uri = URI.parse("http://uniq-domain.com")
+
+ :ok = Conn.open(uri, :gun_connections)
+
+ opts = Gun.options([body_as: :chunks], uri)
+ conn = opts[:conn]
+ opts = Keyword.delete(opts, :conn)
+ self = self()
+
+ :ok = Gun.after_request(opts)
+
+ assert %Connections{
+ conns: %{
+ "http:uniq-domain.com:80" => %Pleroma.Gun.Conn{
+ conn: ^conn,
+ conn_state: :active,
+ used_by: [{^self, _}]
+ }
+ }
+ } = Connections.get_state(:gun_connections)
+ end
+
+ test "with ipv4" do
+ uri = URI.parse("http://127.0.0.1")
+ :ok = Conn.open(uri, :gun_connections)
+ opts = Gun.options(uri)
+ :ok = Gun.after_request(opts)
+ conn = opts[:conn]
+
+ assert %Connections{
+ conns: %{
+ "http:127.0.0.1:80" => %Pleroma.Gun.Conn{
+ conn: ^conn,
+ conn_state: :idle,
+ used_by: []
+ }
+ }
+ } = Connections.get_state(:gun_connections)
+ end
+
+ test "with ipv6" do
+ uri = URI.parse("http://[2a03:2880:f10c:83:face:b00c:0:25de]")
+ :ok = Conn.open(uri, :gun_connections)
+ opts = Gun.options(uri)
+ :ok = Gun.after_request(opts)
+ conn = opts[:conn]
+
+ assert %Connections{
+ conns: %{
+ "http:2a03:2880:f10c:83:face:b00c:0:25de:80" => %Pleroma.Gun.Conn{
+ conn: ^conn,
+ conn_state: :idle,
+ used_by: []
+ }
+ }
+ } = Connections.get_state(:gun_connections)
+ end
+ end
+end
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