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/chromium/extract_history_test.go

@@ -7,12 +7,17 @@ import (
 	"github.com/stretchr/testify/require"
 )
 
-func TestExtractHistories(t *testing.T) {
-	path := createTestDB(t, "History", urlsSchema,
+func setupHistoryDB(t *testing.T) string {
+	t.Helper()
+	return createTestDB(t, "History", urlsSchema,
 		insertURL("https://github.com", "GitHub", 100, 13370000000000000),
 		insertURL("https://go.dev", "Go Dev", 50, 13360000000000000),
 		insertURL("https://example.com", "Example", 200, 13350000000000000),
 	)
+}
+
+func TestExtractHistories(t *testing.T) {
+	path := setupHistoryDB(t)
 
 	got, err := extractHistories(path)
 	require.NoError(t, err)
@@ -29,6 +34,22 @@ func TestExtractHistories(t *testing.T) {
 	assert.False(t, got[0].LastVisit.IsZero())
 }
 
+func TestCountHistories(t *testing.T) {
+	path := setupHistoryDB(t)
+
+	count, err := countHistories(path)
+	require.NoError(t, err)
+	assert.Equal(t, 3, count)
+}
+
+func TestCountHistories_Empty(t *testing.T) {
+	path := createTestDB(t, "History", urlsSchema)
+
+	count, err := countHistories(path)
+	require.NoError(t, err)
+	assert.Equal(t, 0, count)
+}
+
 func TestExtractHistories_FileNotFound(t *testing.T) {
 	_, err := extractHistories("/nonexistent/History")
 	require.Error(t, err)