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   1 # Pleroma: A lightweight social networking server
   2 # Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
   3 # SPDX-License-Identifier: AGPL-3.0-only
   4
   5 defmodule Pleroma.Web.Plugs.PlugHelperTest do
   6   @moduledoc "Tests for the functionality added via `use Pleroma.Web, :plug`"
   7
   8   alias Pleroma.Web.Plugs.ExpectAuthenticatedCheckPlug
   9   alias Pleroma.Web.Plugs.ExpectPublicOrAuthenticatedCheckPlug
  10   alias Pleroma.Web.Plugs.PlugHelper
  11
  12   import Mock
  13
  14   use Pleroma.Web.ConnCase
  15
  16   describe "when plug is skipped, " do
  17     setup_with_mocks(
  18       [
  19         {ExpectPublicOrAuthenticatedCheckPlug, [:passthrough], []}
  20       ],
  21       %{conn: conn}
  22     ) do
  23       conn = ExpectPublicOrAuthenticatedCheckPlug.skip_plug(conn)
  24       %{conn: conn}
  25     end
  26
  27     test "it neither adds plug to called plugs list nor calls `perform/2`, " <>
  28            "regardless of :if_func / :unless_func options",
  29          %{conn: conn} do
  30       for opts <- [%{}, %{if_func: fn _ -> true end}, %{unless_func: fn _ -> false end}] do
  31         ret_conn = ExpectPublicOrAuthenticatedCheckPlug.call(conn, opts)
  32
  33         refute called(ExpectPublicOrAuthenticatedCheckPlug.perform(:_, :_))
  34         refute PlugHelper.plug_called?(ret_conn, ExpectPublicOrAuthenticatedCheckPlug)
  35       end
  36     end
  37   end
  38
  39   describe "when plug is NOT skipped, " do
  40     setup_with_mocks([{ExpectAuthenticatedCheckPlug, [:passthrough], []}]) do
  41       :ok
  42     end
  43
  44     test "with no pre-run checks, adds plug to called plugs list and calls `perform/2`", %{
  45       conn: conn
  46     } do
  47       ret_conn = ExpectAuthenticatedCheckPlug.call(conn, %{})
  48
  49       assert called(ExpectAuthenticatedCheckPlug.perform(ret_conn, :_))
  50       assert PlugHelper.plug_called?(ret_conn, ExpectAuthenticatedCheckPlug)
  51     end
  52
  53     test "when :if_func option is given, calls the plug only if provided function evals tru-ish",
  54          %{conn: conn} do
  55       ret_conn = ExpectAuthenticatedCheckPlug.call(conn, %{if_func: fn _ -> false end})
  56
  57       refute called(ExpectAuthenticatedCheckPlug.perform(:_, :_))
  58       refute PlugHelper.plug_called?(ret_conn, ExpectAuthenticatedCheckPlug)
  59
  60       ret_conn = ExpectAuthenticatedCheckPlug.call(conn, %{if_func: fn _ -> true end})
  61
  62       assert called(ExpectAuthenticatedCheckPlug.perform(ret_conn, :_))
  63       assert PlugHelper.plug_called?(ret_conn, ExpectAuthenticatedCheckPlug)
  64     end
  65
  66     test "if :unless_func option is given, calls the plug only if provided function evals falsy",
  67          %{conn: conn} do
  68       ret_conn = ExpectAuthenticatedCheckPlug.call(conn, %{unless_func: fn _ -> true end})
  69
  70       refute called(ExpectAuthenticatedCheckPlug.perform(:_, :_))
  71       refute PlugHelper.plug_called?(ret_conn, ExpectAuthenticatedCheckPlug)
  72
  73       ret_conn = ExpectAuthenticatedCheckPlug.call(conn, %{unless_func: fn _ -> false end})
  74
  75       assert called(ExpectAuthenticatedCheckPlug.perform(ret_conn, :_))
  76       assert PlugHelper.plug_called?(ret_conn, ExpectAuthenticatedCheckPlug)
  77     end
  78
  79     test "allows a plug to be called multiple times (even if it's in called plugs list)", %{
  80       conn: conn
  81     } do
  82       conn = ExpectAuthenticatedCheckPlug.call(conn, %{an_option: :value1})
  83       assert called(ExpectAuthenticatedCheckPlug.perform(conn, %{an_option: :value1}))
  84
  85       assert PlugHelper.plug_called?(conn, ExpectAuthenticatedCheckPlug)
  86
  87       conn = ExpectAuthenticatedCheckPlug.call(conn, %{an_option: :value2})
  88       assert called(ExpectAuthenticatedCheckPlug.perform(conn, %{an_option: :value2}))
  89     end
  90   end
  91 end