Cthulhu is no longer a fork. Now it is a screen reader written in Golang.

internal/config/patch_contract_test.go

@@ -0,0 +1,69 @@
+// Copyright (c) 2026 Storm Dragon
+// Authors: Storm Dragon, Angus Kola
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+package config
+
+import "testing"
+
+func TestLoadExplicitZeroAndEmptyOverridesAcrossSchemas(t *testing.T) {
+	for name, contents := range map[string]string{
+		"legacy profile overrides general": `
+[general]
+enableSpeech = true
+enableBraille = true
+soundVolume = 0.8
+cthulhuModifierKeys = ["Insert"]
+echoSpeechServerInfo = ["server", "test-module"]
+[general.voices.default]
+rate = 75
+[profiles.default]
+enableSpeech = false
+enableBraille = false
+soundVolume = 0.0
+playSoundForRole = false
+cthulhuModifierKeys = []
+echoSpeechServerInfo = ["server", ""]
+[profiles.default.reading]
+speakBlankLines = false
+[profiles.default.voices.default]
+rate = 0
+`,
+		"versioned patch overrides defaults": `
+schema-version = 2
+active-profile = "default"
+[profiles.default.speech]
+enabled = false
+[profiles.default.speech.default-voice]
+rate = 0
+[profiles.default.braille]
+enabled = false
+[profiles.default.sound]
+volume = 0.0
+play-for-role = false
+[profiles.default.keyboard]
+screen-reader-keys = []
+[profiles.default.key-echo]
+speech-server = ""
+[profiles.default.presentation.reading]
+speak-blank-lines = false
+`,
+	} {
+		t.Run(name, func(t *testing.T) {
+			settings, err := Load(writeConfig(t, contents))
+			if err != nil {
+				t.Fatal(err)
+			}
+			if settings.EnableSpeech || settings.EnableBraille || settings.SoundVolume != 0 ||
+				settings.PlaySoundForRole || settings.Reading.SpeakBlankLines ||
+				len(settings.CthulhuModifierKeys) != 0 || settings.EchoSpeechServer != "" ||
+				settings.DefaultVoice.Rate == nil || *settings.DefaultVoice.Rate != 0 {
+				t.Fatalf("explicit false/zero/empty values were lost: %+v", settings)
+			}
+			if !settings.EnableSound || !settings.PlaySoundForState || !settings.EnableKeyEcho ||
+				!settings.Reading.ReadFullRowInGUITable || settings.DefaultVoice.Gain != nil {
+				t.Fatalf("omitted fields changed their defaults: %+v", settings)
+			}
+		})
+	}
+}