dev-lang/elixir-1.16.1: Fix tests without erlang docs

Closes: https://bugs.gentoo.org/925670
Signed-off-by: Haelwenn (lanodan) Monnier <contact@hacktivis.me>

dev-lang/elixir/files/elixir-1.16.1-fix-test-without-erlang-docs.patch

@@ -0,0 +1,90 @@
+Upstream-Commit: https://github.com/elixir-lang/elixir/commit/c50863615c0e8ac957e22ae01a6f9af23978c3f9
+
+From c50863615c0e8ac957e22ae01a6f9af23978c3f9 Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Jos=C3=A9=20Valim?= <jose.valim@dashbit.co>
+Date: Thu, 8 Feb 2024 08:08:03 +0100
+Subject: [PATCH] Skip tests if Erlang was compiled without docs, closes #13322
+
+---
+ lib/iex/test/iex/helpers_test.exs | 12 +++++++++---
+ lib/iex/test/test_helper.exs      | 10 +++++++++-
+ 2 files changed, 18 insertions(+), 4 deletions(-)
+
+diff --git a/lib/iex/test/iex/helpers_test.exs b/lib/iex/test/iex/helpers_test.exs
+index 54f946516ce..171acc72abc 100644
+--- a/lib/iex/test/iex/helpers_test.exs
++++ b/lib/iex/test/iex/helpers_test.exs
+@@ -332,17 +332,20 @@ defmodule IEx.HelpersTest do
+       assert help =~ "Welcome to Interactive Elixir"
+     end
+
++    @tag :erlang_doc
+     test "prints Erlang module documentation" do
+       captured = capture_io(fn -> h(:timer) end)
+       assert captured =~ "This module provides useful functions related to time."
+     end
+
++    @tag :erlang_doc
+     test "prints Erlang module function specs" do
+       captured = capture_io(fn -> h(:timer.sleep() / 1) end)
+       assert captured =~ ":timer.sleep/1"
+       assert captured =~ "-spec sleep(Time) -> ok when Time :: timeout()."
+     end
+
++    @tag :erlang_doc
+     test "handles non-existing Erlang module function" do
+       captured = capture_io(fn -> h(:timer.baz() / 1) end)
+       assert captured =~ "No documentation for :timer.baz was found"
+@@ -1008,13 +1011,15 @@ defmodule IEx.HelpersTest do
+       cleanup_modules([TypeSample])
+     end
+
+-    test "prints all types in erlang module" do
++    @tag :erlang_doc
++    test "prints all types in Erlang module" do
+       captured = capture_io(fn -> t(:queue) end)
+       assert captured =~ "-type queue() :: queue(_)"
+       assert captured =~ "-opaque queue(Item)"
+     end
+
+-    test "prints single type from erlang module" do
++    @tag :erlang_doc
++    test "prints single type from Erlang module" do
+       captured = capture_io(fn -> t(:erlang.iovec()) end)
+       assert captured =~ "-type iovec() :: [binary()]"
+       assert captured =~ "A list of binaries."
+@@ -1024,7 +1029,8 @@ defmodule IEx.HelpersTest do
+       assert captured =~ "A list of binaries."
+     end
+
+-    test "handles non-existing types from erlang module" do
++    @tag :erlang_doc
++    test "handles non-existing types from Erlang module" do
+       captured = capture_io(fn -> t(:erlang.foo()) end)
+       assert captured =~ "No type information for :erlang.foo was found or :erlang.foo is private"
+
+diff --git a/lib/iex/test/test_helper.exs b/lib/iex/test/test_helper.exs
+index f5a55f0aa80..b32c8be4e91 100644
+--- a/lib/iex/test/test_helper.exs
++++ b/lib/iex/test/test_helper.exs
+@@ -7,11 +7,19 @@ IEx.configure(colors: [enabled: false])
+ {line_exclude, line_include} =
+   if line = System.get_env("LINE"), do: {[:test], [line: line]}, else: {[], []}
+
++erlang_doc_exclude =
++  if match?({:docs_v1, _, _, _, _, _, _}, Code.fetch_docs(:array)) do
++    []
++  else
++    IO.puts("Erlang/OTP compiled without docs, some tests are excluded...")
++    [:erlang_doc]
++  end
++
+ ExUnit.start(
+   assert_receive_timeout: assert_timeout,
+   trace: !!System.get_env("TRACE"),
+   include: line_include,
+-  exclude: line_exclude
++  exclude: line_exclude ++ erlang_doc_exclude
+ )
+
+ defmodule IEx.Case do