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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.PaginationTest do
+ use Pleroma.DataCase
+
+ import Pleroma.Factory
+
+ alias Pleroma.Object
+ alias Pleroma.Pagination
+
+ describe "keyset" do
+ setup do
+ notes = insert_list(5, :note)
+
+ %{notes: notes}
+ end
+
+ test "paginates by min_id", %{notes: notes} do
+ id = Enum.at(notes, 2).id |> Integer.to_string()
+
+ %{total: total, items: paginated} =
+ Pagination.fetch_paginated(Object, %{min_id: id, total: true})
+
+ assert length(paginated) == 2
+ assert total == 5
+ end
+
+ test "paginates by since_id", %{notes: notes} do
+ id = Enum.at(notes, 2).id |> Integer.to_string()
+
+ %{total: total, items: paginated} =
+ Pagination.fetch_paginated(Object, %{since_id: id, total: true})
+
+ assert length(paginated) == 2
+ assert total == 5
+ end
+
+ test "paginates by max_id", %{notes: notes} do
+ id = Enum.at(notes, 1).id |> Integer.to_string()
+
+ %{total: total, items: paginated} =
+ Pagination.fetch_paginated(Object, %{max_id: id, total: true})
+
+ assert length(paginated) == 1
+ assert total == 5
+ end
+
+ test "paginates by min_id & limit", %{notes: notes} do
+ id = Enum.at(notes, 2).id |> Integer.to_string()
+
+ paginated = Pagination.fetch_paginated(Object, %{min_id: id, limit: 1})
+
+ assert length(paginated) == 1
+ end
+
+ test "handles id gracefully", %{notes: notes} do
+ id = Enum.at(notes, 1).id |> Integer.to_string()
+
+ paginated =
+ Pagination.fetch_paginated(Object, %{
+ id: "9s99Hq44Cnv8PKBwWG",
+ max_id: id,
+ limit: 20,
+ offset: 0
+ })
+
+ assert length(paginated) == 1
+ end
+ end
+
+ describe "offset" do
+ setup do
+ notes = insert_list(5, :note)
+
+ %{notes: notes}
+ end
+
+ test "paginates by limit" do
+ paginated = Pagination.fetch_paginated(Object, %{limit: 2}, :offset)
+
+ assert length(paginated) == 2
+ end
+
+ test "paginates by limit & offset" do
+ paginated = Pagination.fetch_paginated(Object, %{limit: 2, offset: 4}, :offset)
+
+ assert length(paginated) == 1
+ end
+ end
+end