Reset master to testing content

internal/tentacle/page_store_test.go

@@ -0,0 +1,73 @@
+// Copyright (c) 2026 Storm Dragon
+// SPDX-License-Identifier: GPL-3.0-or-later
+package tentacle
+
+import (
+	"git.stormux.org/storm/cthulhu/internal/interaction"
+	"os"
+	"path/filepath"
+	"reflect"
+	"testing"
+)
+
+func TestPageStoreAtomicPersistenceAndExternalEdits(t *testing.T) {
+	path := filepath.Join(t.TempDir(), "preferences.json")
+	store := &PageStore{Path: path}
+	values, err := store.Load()
+	if err != nil || len(values) != 0 {
+		t.Fatal(values, err)
+	}
+	if _, err := os.Stat(path); !os.IsNotExist(err) {
+		t.Fatal("load created a file")
+	}
+	values["probe"] = map[string]map[string]interaction.Value{"page": {"name": {Text: "Example"}}}
+	if err := store.Save(values); err != nil {
+		t.Fatal(err)
+	}
+	info, _ := os.Stat(path)
+	if info.Mode().Perm() != 0600 {
+		t.Fatal(info.Mode())
+	}
+	other := &PageStore{Path: path}
+	loaded, err := other.Load()
+	if err != nil || !reflect.DeepEqual(loaded, values) {
+		t.Fatal(loaded, err)
+	}
+	loaded["probe"]["page"]["name"] = interaction.Value{Text: "Changed"}
+	if err := other.Save(loaded); err != nil {
+		t.Fatal(err)
+	}
+	if err := store.Save(values); err == nil {
+		t.Fatal("overwrote another editor")
+	}
+	after, err := (&PageStore{Path: path}).Load()
+	if err != nil || after["probe"]["page"]["name"].Text != "Changed" {
+		t.Fatal(after, err)
+	}
+}
+func TestPageStoreRejectsSymlinksMalformedAndUnloadedWrites(t *testing.T) {
+	directory := t.TempDir()
+	path := filepath.Join(directory, "preferences.json")
+	store := &PageStore{Path: path}
+	if store.Save(PageValues{}) == nil {
+		t.Fatal("saved without loading")
+	}
+	for _, data := range []string{`null`, `{"probe":{},"probe":{}}`, `{"probe":`, `[]`} {
+		if err := os.WriteFile(path, []byte(data), 0600); err != nil {
+			t.Fatal(err)
+		}
+		if _, err := store.Load(); err == nil {
+			t.Fatal("accepted", data)
+		}
+		if store.Save(PageValues{}) == nil {
+			t.Fatal("saved after a failed load")
+		}
+	}
+	link := filepath.Join(directory, "link")
+	if err := os.Symlink(path, link); err != nil {
+		t.Fatal(err)
+	}
+	if _, err := (&PageStore{Path: link}).Load(); err == nil {
+		t.Fatal("followed a symlink")
+	}
+}