Test: Playfield test

src/main.rs

@@ -3,9 +3,13 @@ use clap::{Parser, Subcommand};
 #[derive(Parser)]
 #[command(version, about, long_about = None)]
 struct Cli {
-    // The sudoku field given as a 1x81 string from left to right, top to bottom, 0 denotes value
+    // The sudoku field given as a space separated string from left to right, top to bottom, 0 denotes value
     // absense
     field: String,
+
+    // Size of one size of the field. For standard 3x3 input 3 (default)
+    #[arg(short, long)]
+    field_size: u16,
 }
 
 struct Playfield {
@@ -21,14 +25,22 @@ struct Field {
 fn main() {
     let cli = Cli::parse();
 
-    let playfield = parse_field(&cli.field);
+    let playfield = parse_playfield(&cli.field, cli.field_size);
 
     println!("Hello, world!");
 }
 
-fn parse_field(field: &String) -> Playfield {}
+fn parse_playfield(field: &String, field_size: u16) -> Playfield {}
 
+#[cfg(test)]
 mod tests {
+    use super::*;
+
     #[test]
-    fn test_parse_field() {}
+    fn test_parse_field() {
+        let input = "1 2 3 0 0 0 1 2 3";
+        let field_size = 2;
+
+        let playfield = parse_playfield(&input.to_string(), field_size);
+    }
 }