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

internal/atspi/document_text_lines_test.go

@@ -0,0 +1,46 @@
+// Copyright (c) 2026 Storm Dragon
+// Authors: Storm Dragon, Angus Kola
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+package atspi
+
+import (
+	"context"
+	"errors"
+	"testing"
+)
+
+func TestDocumentLinesAreTokens(t *testing.T) {
+	for _, test := range []struct {
+		name, text string
+		lines      []TextRange
+		want       bool
+	}{
+		{"words", "What's on your mind?", []TextRange{{Start: 0, End: 7, Text: "What's "}, {Start: 7, End: 10, Text: "on "}, {Start: 10, End: 15, Text: "your "}, {Start: 15, End: 20, Text: "mind?"}}, true},
+		{"unicode characters", "é 文", []TextRange{{Start: 0, End: 1, Text: "é"}, {Start: 1, End: 2, Text: " "}, {Start: 2, End: 3, Text: "文"}}, true},
+		{"ordinary lines", "First line\nSecond line", []TextRange{{Start: 0, End: 11, Text: "First line\n"}, {Start: 11, End: 22, Text: "Second line"}}, false},
+		{"one word", "autocomplete", []TextRange{{Start: 0, End: 12, Text: "autocomplete"}}, false},
+		{"embedded objects", "\ufffc\ufffc\ufffc hello", nil, false},
+		{"non advancing provider", "one two", []TextRange{{Start: 0, End: 0, Text: "one"}}, false},
+	} {
+		t.Run(test.name, func(t *testing.T) {
+			source := fakeReviewText{lines: make(map[int]TextRange)}
+			for _, line := range test.lines {
+				source.lines[line.Start] = line
+			}
+			got, err := documentLinesAreTokens(context.Background(), source, test.text)
+			if err != nil || got != test.want {
+				t.Fatalf("repair = %v, %v; want %v", got, err, test.want)
+			}
+		})
+	}
+}
+
+func TestDocumentLinesProbeHonorsCancellation(t *testing.T) {
+	ctx, cancel := context.WithCancel(context.Background())
+	source := fakeReviewText{cancel: cancel, lines: map[int]TextRange{0: {Start: 0, End: 2, Text: "a "}, 2: {Start: 2, End: 3, Text: "b"}}}
+	_, err := documentLinesAreTokens(ctx, source, "a b")
+	if !errors.Is(err, context.Canceled) {
+		t.Fatalf("probe error = %v", err)
+	}
+}