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   1 # Pleroma: A lightweight social networking server
   2 # Copyright © 2017-2021 Pleroma Authors <https://pleroma.social/>
   3 # SPDX-License-Identifier: AGPL-3.0-only
   4
   5 defmodule Pleroma.Tests.Helpers do
   6   @moduledoc """
   7   Helpers for use in tests.
   8   """
   9   alias Pleroma.Config
  10
  11   require Logger
  12
  13   defmacro clear_config(config_path) do
  14     quote do
  15       clear_config(unquote(config_path)) do
  16       end
  17     end
  18   end
  19
  20   defmacro clear_config(config_path, do: yield) do
  21     quote do
  22       initial_setting = Config.fetch(unquote(config_path))
  23
  24       unquote(yield)
  25
  26       on_exit(fn ->
  27         case initial_setting do
  28           :error ->
  29             Config.delete(unquote(config_path))
  30
  31           {:ok, value} ->
  32             Config.put(unquote(config_path), value)
  33         end
  34       end)
  35
  36       :ok
  37     end
  38   end
  39
  40   defmacro clear_config(config_path, temp_setting) do
  41     # NOTE: `clear_config([section, key], value)` != `clear_config([section], key: value)` (!)
  42     # Displaying a warning to prevent unintentional clearing of all but one keys in section
  43     if Keyword.keyword?(temp_setting) and length(temp_setting) == 1 do
  44       Logger.warn(
  45         "Please change `clear_config([section], key: value)` to `clear_config([section, key], value)`"
  46       )
  47     end
  48
  49     quote do
  50       clear_config(unquote(config_path)) do
  51         Config.put(unquote(config_path), unquote(temp_setting))
  52       end
  53     end
  54   end
  55
  56   def require_migration(migration_name) do
  57     [{module, _}] = Code.require_file("#{migration_name}.exs", "priv/repo/migrations")
  58     {:ok, %{migration: module}}
  59   end
  60
  61   defmacro __using__(_opts) do
  62     quote do
  63       import Pleroma.Tests.Helpers,
  64         only: [
  65           clear_config: 1,
  66           clear_config: 2
  67         ]
  68
  69       def time_travel(entity, seconds) do
  70         new_time = NaiveDateTime.add(entity.inserted_at, seconds)
  71
  72         entity
  73         |> Ecto.Changeset.change(%{inserted_at: new_time, updated_at: new_time})
  74         |> Pleroma.Repo.update()
  75       end
  76
  77       def to_datetime(%NaiveDateTime{} = naive_datetime) do
  78         naive_datetime
  79         |> DateTime.from_naive!("Etc/UTC")
  80         |> DateTime.truncate(:second)
  81       end
  82
  83       def to_datetime(datetime) when is_binary(datetime) do
  84         datetime
  85         |> NaiveDateTime.from_iso8601!()
  86         |> to_datetime()
  87       end
  88
  89       def collect_ids(collection) do
  90         collection
  91         |> Enum.map(& &1.id)
  92         |> Enum.sort()
  93       end
  94
  95       def refresh_record(%{id: id, __struct__: model} = _),
  96         do: refresh_record(model, %{id: id})
  97
  98       def refresh_record(model, %{id: id} = _) do
  99         Pleroma.Repo.get_by(model, id: id)
 100       end
 101
 102       # Used for comparing json rendering during tests.
 103       def render_json(view, template, assigns) do
 104         assigns = Map.new(assigns)
 105
 106         view.render(template, assigns)
 107         |> Jason.encode!()
 108         |> Jason.decode!()
 109       end
 110
 111       def stringify_keys(nil), do: nil
 112
 113       def stringify_keys(key) when key in [true, false], do: key
 114       def stringify_keys(key) when is_atom(key), do: Atom.to_string(key)
 115
 116       def stringify_keys(map) when is_map(map) do
 117         map
 118         |> Enum.map(fn {k, v} -> {stringify_keys(k), stringify_keys(v)} end)
 119         |> Enum.into(%{})
 120       end
 121
 122       def stringify_keys([head | rest] = list) when is_list(list) do
 123         [stringify_keys(head) | stringify_keys(rest)]
 124       end
 125
 126       def stringify_keys(key), do: key
 127
 128       defmacro guards_config(config_path) do
 129         quote do
 130           initial_setting = Config.get(config_path)
 131
 132           Config.put(config_path, true)
 133           on_exit(fn -> Config.put(config_path, initial_setting) end)
 134         end
 135       end
 136     end
 137   end
 138 end