After commit c018f5fd29 Fenrir is being switched over to go. If you do not want to be part of the testing process, please switch to master.

internal/reader/progress_test.go

@@ -0,0 +1,119 @@
+// Fenrir console screen reader.
+// Copyright (c) 2026 Storm Dragon
+// SPDX-License-Identifier: GPL-3.0-or-later
+//
+// This program is free software: you can redistribute it and/or modify it
+// under the terms of the GNU General Public License as published by the Free
+// Software Foundation, either version 3 of the License, or (at your option)
+// any later version.
+//
+// This program is distributed in the hope that it will be useful, but WITHOUT
+// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+// FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+// more details.
+//
+// You should have received a copy of the GNU General Public License along with
+// this program. If not, see <https://www.gnu.org/licenses/gpl-3.0.html>.
+
+package reader
+
+import (
+	"reflect"
+	"testing"
+	"time"
+
+	"git.stormux.org/storm/fenrir/internal/presentation"
+)
+
+func TestProgressIndependentOfAutomaticReadingAndTypingEcho(t *testing.T) {
+	r := New()
+	r.Configure_progress(true)
+	r.Configure(false, false)
+	before, after := fixture("Download 20%", ""), fixture("Download 30%", "")
+	r.Update(before)
+	if _, ok := r.Next_progress(time.Now()); ok {
+		t.Fatal("initial screen")
+	}
+	if output := r.Update(after); len(output) != 0 {
+		t.Fatal("enabled autoread")
+	}
+	if value, ok := r.Next_progress(time.Now()); !ok || value != 30 {
+		t.Fatal(value, ok)
+	}
+	r.Configure_progress(false)
+	r.Update(fixture("Download 40%", ""))
+	if _, ok := r.Next_progress(time.Now().Add(time.Second)); ok {
+		t.Fatal("disabled progress")
+	}
+	r.Configure_progress(true)
+	// Typing a percentage must stay silent even when key echo is disabled.
+	r.Configure_echo(false, false, false)
+	before, after = fixture("50", ""), fixture("50%", "")
+	before.X, after.X = 2, 3
+	r.Update(before)
+	r.Note_input(true, true, false)
+	r.Update(after)
+	if _, ok := r.Next_progress(time.Now().Add(2 * time.Second)); ok || r.Progress_active() {
+		t.Fatal("typing recognized as progress")
+	}
+}
+
+func TestProgressIgnoresDeletionButKeepsOtherRows(t *testing.T) {
+	for _, mode := range []string{"backspace", "delete", "word deletion", "background together", "background before edit", "passive change", "expired"} {
+		t.Run(mode, func(t *testing.T) {
+			r := New()
+			r.Configure_progress(true)
+			r.Configure_echo(false, false, false)
+			before, after := fixture("type 2% abc", "Download 20%"), fixture("type 2% ab", "Download 20%")
+			before.X, after.X = 11, 10
+			if mode == "delete" {
+				before.X, after.X = 10, 10
+			}
+			if mode == "word deletion" {
+				after = fixture("type 2% ", "Download 20%")
+				after.X = 8
+			}
+			if mode == "background together" {
+				after = fixture("type 2% ab", "Download 30%")
+				after.X = 10
+			}
+			r.Update(before)
+			if mode != "passive change" {
+				r.Note_input(true, false, false)
+				r.Note_deletion()
+				if mode == "expired" {
+					r.progressDeletionAt = time.Now().Add(-time.Second)
+				}
+			}
+			if mode == "background before edit" {
+				update := fixture("type 2% abc", "Download 30%")
+				update.X = 11
+				r.Update(update)
+				if value, ok := r.Next_progress(time.Now()); !ok || value != 30 {
+					t.Fatal("lost background output", value, ok)
+				}
+				after = fixture("type 2% ab", "Download 30%")
+				after.X = 10
+			}
+			output := r.Update(after)
+			value, ok := r.Next_progress(time.Now().Add(time.Second))
+			switch mode {
+			case "background together":
+				if !ok || value != 30 {
+					t.Fatal("concurrent progress lost", value, ok)
+				}
+			case "passive change", "expired":
+				if !ok || value != 2 {
+					t.Fatal("passive output suppressed", value, ok)
+				}
+			default:
+				if ok {
+					t.Fatal("deletion produced progress", value)
+				}
+			}
+			if mode == "backspace" && !reflect.DeepEqual(output, []presentation.Message{presentation.Character_message('c')}) {
+				t.Fatal("lost deletion speech", output)
+			}
+		})
+	}
+}