feat: add CountEntries to skip decryption for list --detail (#562)

* feat: add CountEntries to skip decryption for list --detail (#549)
* test: add CountEntries and countCategory tests at browser level
* fix: address review feedback on CountRows and countLocalStorage
* test: add CountRows unit tests

browser/firefox/extract_bookmark_test.go

@@ -7,14 +7,18 @@ import (
 	"github.com/stretchr/testify/require"
 )
 
-func TestExtractBookmarks(t *testing.T) {
-	// Bookmarks require JOIN: moz_bookmarks.fk = moz_places.id
-	path := createTestDB(t, "places.sqlite", []string{mozPlacesSchema, mozBookmarksSchema},
+func setupMozBookmarkDB(t *testing.T) string {
+	t.Helper()
+	return createTestDB(t, "places.sqlite", []string{mozPlacesSchema, mozBookmarksSchema},
 		insertMozPlace(1, "https://go.dev", "Go", 0, 0),
 		insertMozPlace(2, "https://github.com", "GitHub", 0, 0),
 		insertMozBookmark(1, 1, 1, "Go Website", 1700000000000000),
 		insertMozBookmark(2, 2, 1, "GitHub", 1710000000000000),
 	)
+}
+
+func TestExtractBookmarks(t *testing.T) {
+	path := setupMozBookmarkDB(t)
 
 	got, err := extractBookmarks(path)
 	require.NoError(t, err)
@@ -29,3 +33,19 @@ func TestExtractBookmarks(t *testing.T) {
 	assert.Equal(t, "url", got[0].Folder) // type=1 → "url"
 	assert.False(t, got[0].CreatedAt.IsZero())
 }
+
+func TestCountBookmarks(t *testing.T) {
+	path := setupMozBookmarkDB(t)
+
+	count, err := countBookmarks(path)
+	require.NoError(t, err)
+	assert.Equal(t, 2, count)
+}
+
+func TestCountBookmarks_Empty(t *testing.T) {
+	path := createTestDB(t, "places.sqlite", []string{mozPlacesSchema, mozBookmarksSchema})
+
+	count, err := countBookmarks(path)
+	require.NoError(t, err)
+	assert.Equal(t, 0, count)
+}