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   1 # Pleroma: A lightweight social networking server
   2 # Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
   3 # SPDX-License-Identifier: AGPL-3.0-only
   4
   5 defmodule Pleroma.FlakeIdTest do
   6   use Pleroma.DataCase
   7   import Kernel, except: [to_string: 1]
   8   import Pleroma.FlakeId
   9
  10   describe "fake flakes (compatibility with older serial integers)" do
  11     test "from_string/1" do
  12       fake_flake = <<0::integer-size(64), 42::integer-size(64)>>
  13       assert from_string("42") == fake_flake
  14     end
  15
  16     test "zero or -1 is a null flake" do
  17       fake_flake = <<0::integer-size(128)>>
  18       assert from_string("0") == fake_flake
  19       assert from_string("-1") == fake_flake
  20     end
  21
  22     test "to_string/1" do
  23       fake_flake = <<0::integer-size(64), 42::integer-size(64)>>
  24       assert to_string(fake_flake) == "42"
  25     end
  26   end
  27
  28   test "ecto type behaviour" do
  29     flake = <<0, 0, 1, 104, 80, 229, 2, 235, 140, 22, 69, 201, 53, 210, 0, 0>>
  30     flake_s = "9eoozpwTul5mjSEDRI"
  31
  32     assert cast(flake) == {:ok, flake_s}
  33     assert cast(flake_s) == {:ok, flake_s}
  34
  35     assert load(flake) == {:ok, flake_s}
  36     assert load(flake_s) == {:ok, flake_s}
  37
  38     assert dump(flake_s) == {:ok, flake}
  39     assert dump(flake) == {:ok, flake}
  40   end
  41 end