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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.PaginationTest do
   6   use Pleroma.DataCase
   7
   8   import Pleroma.Factory
   9
  10   alias Pleroma.Object
  11   alias Pleroma.Pagination
  12
  13   describe "keyset" do
  14     setup do
  15       notes = insert_list(5, :note)
  16
  17       %{notes: notes}
  18     end
  19
  20     test "paginates by min_id", %{notes: notes} do
  21       id = Enum.at(notes, 2).id |> Integer.to_string()
  22       %{total: total, items: paginated} = Pagination.fetch_paginated(Object, %{"min_id" => id})
  23
  24       assert length(paginated) == 2
  25       assert total == 5
  26     end
  27
  28     test "paginates by since_id", %{notes: notes} do
  29       id = Enum.at(notes, 2).id |> Integer.to_string()
  30       %{total: total, items: paginated} = Pagination.fetch_paginated(Object, %{"since_id" => id})
  31
  32       assert length(paginated) == 2
  33       assert total == 5
  34     end
  35
  36     test "paginates by max_id", %{notes: notes} do
  37       id = Enum.at(notes, 1).id |> Integer.to_string()
  38       %{total: total, items: paginated} = Pagination.fetch_paginated(Object, %{"max_id" => id})
  39
  40       assert length(paginated) == 1
  41       assert total == 5
  42     end
  43
  44     test "paginates by min_id & limit", %{notes: notes} do
  45       id = Enum.at(notes, 2).id |> Integer.to_string()
  46
  47       %{total: total, items: paginated} =
  48         Pagination.fetch_paginated(Object, %{"min_id" => id, "limit" => 1})
  49
  50       assert length(paginated) == 1
  51       assert total == 5
  52     end
  53   end
  54
  55   describe "offset" do
  56     setup do
  57       notes = insert_list(5, :note)
  58
  59       %{notes: notes}
  60     end
  61
  62     test "paginates by limit" do
  63       %{total: total, items: paginated} =
  64         Pagination.fetch_paginated(Object, %{"limit" => 2}, :offset)
  65
  66       assert length(paginated) == 2
  67       assert total == 5
  68     end
  69
  70     test "paginates by limit & offset" do
  71       %{total: total, items: paginated} =
  72         Pagination.fetch_paginated(Object, %{"limit" => 2, "offset" => 4}, :offset)
  73
  74       assert length(paginated) == 1
  75       assert total == 5
  76     end
  77   end
  78 end