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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
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