From ae610dcbb713bb08d60346b3b5e03a4e7541b74d Mon Sep 17 00:00:00 2001
From: Stefan Haller <stefan@haller-berlin.de>
Date: Wed, 9 Oct 2024 15:08:01 +0200
Subject: [PATCH] Extract helper function for easier testing

---
 pkg/utils/io.go | 13 +++++++++----
 1 file changed, 9 insertions(+), 4 deletions(-)

diff --git a/pkg/utils/io.go b/pkg/utils/io.go
index d31c5fc07..98d026429 100644
--- a/pkg/utils/io.go
+++ b/pkg/utils/io.go
@@ -2,6 +2,7 @@ package utils
 
 import (
 	"bufio"
+	"io"
 	"os"
 )
 
@@ -12,14 +13,18 @@ func ForEachLineInFile(path string, f func(string, int)) error {
 	}
 	defer file.Close()
 
-	reader := bufio.NewReader(file)
+	forEachLineInStream(file, f)
+
+	return nil
+}
+
+func forEachLineInStream(reader io.Reader, f func(string, int)) {
+	bufferedReader := bufio.NewReader(reader)
 	for i := 0; true; i++ {
-		line, err := reader.ReadString('\n')
+		line, err := bufferedReader.ReadString('\n')
 		if err != nil {
 			break
 		}
 		f(line, i)
 	}
-
-	return nil
 }