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

internal/input/intent_test.go

@@ -0,0 +1,85 @@
+// Copyright (c) 2026 Storm Dragon
+// Authors: Storm Dragon, Angus Kola
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+package input
+
+import (
+	"testing"
+	"time"
+)
+
+func TestIntentTracksModifiersAndExpires(t *testing.T) {
+	tracker := &IntentTracker{}
+	for _, step := range []struct {
+		name    string
+		pressed bool
+		want    Intent
+	}{
+		{"Down", true, LineIntent}, {"Down", false, LineIntent},
+		{"Right", true, CharacterIntent}, {"Control_L", true, OtherIntent},
+		{"Right", true, WordIntent}, {"Control_R", true, OtherIntent},
+		{"Control_L", false, OtherIntent}, {"Left", true, WordIntent},
+		{"Control_R", false, WordIntent}, {"Left", true, CharacterIntent},
+		{"s", true, TypingIntent}, {"period", true, TypingIntent},
+		{"BackSpace", true, DeleteIntent}, {"Return", true, OtherIntent},
+		{"Alt_L", true, OtherIntent}, {"Down", true, OtherIntent},
+	} {
+		tracker.Observe(NewKeyEvent(0, step.pressed, step.name))
+		if got := tracker.RecentIntent(); got != step.want {
+			t.Fatalf("%s pressed=%v: %v, want %v", step.name, step.pressed, got, step.want)
+		}
+	}
+	tracker.at = time.Now().Add(-2 * time.Second)
+	if tracker.RecentIntent() != NoIntent {
+		t.Fatal("stale input reused")
+	}
+}
+
+func TestIntentTracksClipboardChords(t *testing.T) {
+	tracker := &IntentTracker{}
+	press := func(name string) Activity {
+		tracker.Observe(NewKeyEvent(0, true, name))
+		return tracker.RecentInput()
+	}
+	press("Shift_L")
+	if got := press("Right"); got.Intent != CharacterIntent || !got.Selecting {
+		t.Fatalf("Shift+Right = %+v", got)
+	}
+	press("Control_L")
+	if got := press("Left"); got.Intent != WordIntent || !got.Selecting {
+		t.Fatalf("Ctrl+Shift+Left = %+v", got)
+	}
+	tracker.Observe(NewKeyEvent(0, false, "Shift_L"))
+	for _, tc := range []struct {
+		key  string
+		want ClipboardAction
+	}{
+		{"c", CopyAction}, {"x", CutAction}, {"v", PasteAction},
+	} {
+		if got := press(tc.key); got.Clipboard != tc.want {
+			t.Fatalf("Ctrl+%s = %+v", tc.key, got)
+		}
+	}
+	if got := press("Right"); got.Clipboard != NoClipboardAction {
+		t.Fatalf("next key retained clipboard action: %+v", got)
+	}
+	tracker.Observe(NewKeyEvent(0, false, "Control_L"))
+	if got := press("v"); got.Clipboard != NoClipboardAction {
+		t.Fatalf("plain v = %+v", got)
+	}
+}
+
+func TestSelectionIntentEndsWithPlainNavigation(t *testing.T) {
+	tracker := &IntentTracker{}
+	tracker.Observe(NewKeyEvent(0, true, "Shift_L"))
+	tracker.Observe(NewKeyEvent(0, true, "Down"))
+	if got := tracker.RecentInput(); !got.Selecting || got.Intent != LineIntent {
+		t.Fatalf("Shift+Down = %+v", got)
+	}
+	tracker.Observe(NewKeyEvent(0, false, "Shift_L"))
+	tracker.Observe(NewKeyEvent(0, true, "Right"))
+	if got := tracker.RecentInput(); got.Selecting || got.Intent != CharacterIntent {
+		t.Fatalf("Right = %+v", got)
+	}
+}