Add helper function to create test log lines

Author: FastAlien

src/auth_file_watcher.test.rs

@@ -1,9 +1,7 @@
 use std::env::temp_dir;
 
-use chrono::Local;
-
 use crate::auth_file_watcher::AuthFileWatcher;
-use crate::test_utils::test_file::{rename_file, TestFile};
+use crate::test_utils::test_file::{create_log_line, rename_file, TestFile};
 
 const TEST_MESSAGES: [&str; 6] = [
     "workstation sudo: pam_unix(sudo:auth): authentication failure; logname=john uid=1000 euid=0 tty=/dev/pts/7 ruser=john rhost=  user=john",
@@ -47,11 +45,6 @@ fn expect_update_callback_is_called_when_file_is_modified(
     }
 }
 
-fn create_log_line(message: &str) -> String {
-    let date_time = Local::now().format("%+");
-    return format!("{} {}\n", date_time, message);
-}
-
 #[test]
 fn when_more_than_one_line_is_added_then_update_callback_is_called_for_each_line() {
     let mut file = TestFile::new("auth-monitor-test");

src/test_utils/test_file.rs

@@ -62,3 +62,8 @@ pub fn rename_file(filepath: &str, new_filename: &str) {
     let new_filepath = new_path.to_str().expect("Unable to build file path");
     rename(filepath, new_filepath).expect("Unable to rename test file");
 }
+
+pub fn create_log_line(message: &str) -> String {
+    let date_time = Local::now().format("%+");
+    return format!("{} {}\n", date_time, message);
+}