diff --git a/test/pleroma/docs/translator/compiler_test.exs b/test/pleroma/docs/translator/compiler_test.exs
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+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2022 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
+defmodule Pleroma.Docs.Translator.CompilerTest do
+  use ExUnit.Case, async: true
+
+  alias Pleroma.Docs.Translator.Compiler
+
+  @descriptions [
+    %{
+      label: "1",
+      description: "2",
+      children: [
+        %{
+          label: "3",
+          description: "4"
+        },
+        %{
+          label: "5",
+          description: "6"
+        }
+      ]
+    },
+    %{
+      label: "7",
+      description: "8",
+      children: [
+        %{
+          description: "9",
+          children: [
+            %{
+              description: "10",
+              children: [
+                %{description: "11"},
+                %{description: "12"}
+              ]
+            }
+          ]
+        },
+        %{
+          label: "13"
+        }
+      ]
+    }
+  ]
+
+  describe "extract_strings/1" do
+    test "it extracts all labels and descriptions" do
+      strings = Compiler.extract_strings(@descriptions)
+      assert length(strings) == 13
+      assert Enum.all?(1..13, &(to_string(&1) in strings))
+    end
+  end
+end