87 lines
2.6 KiB
Elixir
87 lines
2.6 KiB
Elixir
defmodule BDS.TranslationCompletenessTest do
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use ExUnit.Case, async: true
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@translated_locales ~w(de fr it es)
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@doc """
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Counts empty msgstr entries per non-English locale .po file and ensures
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the count never increases. When a new msgid is added to the codebase its
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translations MUST be provided for all supported locales; an empty msgstr
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in de/fr/it/es causes this test to fail.
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English files are excluded — gettext treats empty msgstr as "return msgid
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unchanged" for the source language, which is the intended fallback.
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The expected counts below represent current untranslated legacy entries
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that must decrease over time, never increase. When the count decreases
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because translations were added, update the expected count in this test.
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"""
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test "empty msgstr counts do not increase in non-English locale .po files" do
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expected = %{
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"de/default.po" => 0,
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"de/render.po" => 0,
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"de/ui.po" => 153,
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"fr/default.po" => 0,
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"fr/render.po" => 0,
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"fr/ui.po" => 153,
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"it/default.po" => 0,
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"it/render.po" => 0,
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"it/ui.po" => 153,
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"es/default.po" => 0,
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"es/render.po" => 0,
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"es/ui.po" => 153
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}
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actual =
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for locale <- @translated_locales,
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domain <- ~w(ui default render) do
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file = "priv/gettext/#{locale}/LC_MESSAGES/#{domain}.po"
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if File.exists?(file) do
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count = empty_msgstr_count(file)
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key = "#{locale}/#{domain}.po"
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{key, count}
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end
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end
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|> Enum.reject(&is_nil/1)
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|> Map.new()
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for {file, expected_count} <- expected do
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actual_count = Map.get(actual, file, 0)
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assert actual_count <= expected_count,
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"#{file}: empty msgstr count increased from #{expected_count} to #{actual_count}. " <>
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"All new msgid entries MUST have translations for every supported locale (de, fr, it, es). " <>
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"When the count decreases because translations were added, update the expected count in this test."
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end
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end
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defp empty_msgstr_count(file) do
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file
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|> File.read!()
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|> String.split("\n")
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|> Enum.reduce({nil, 0}, fn line, {current_msgid, count} ->
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trimmed = String.trim(line)
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case {trimmed, current_msgid} do
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{"msgstr \"\"", nil} ->
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{nil, count}
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{"msgstr \"\"", msgid} ->
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if msgid == "" do
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{nil, count}
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else
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{nil, count + 1}
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end
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{"msgid \"" <> rest, _} ->
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{String.trim_trailing(rest, "\""), count}
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_ ->
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{current_msgid, count}
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end
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end)
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|> elem(1)
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end
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end
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