add boilerplate for tests + move template to a new file

Author: oriongonza

cargo-aoc/src/app.rs

@@ -7,9 +7,9 @@ use reqwest::{
     header::{HeaderMap, COOKIE, USER_AGENT},
     StatusCode,
 };
+use std::io::Write;
 use std::path::Path;
 use std::process;
-use std::{io::Write};
 use std::{error, sync::Arc};
 use std::{
     error::Error,
@@ -136,34 +136,7 @@ fn codegen(day: u32) -> Result<(), Box<dyn Error>> {
         eprintln!("{filename:?} already exists. Skipping...");
         return Ok(());
     }
-    let code = r#"use aoc_runner_derive::{aoc, aoc_generator};
-#[aoc_generator(REP)]
-fn parse(input: &str) -> String {
-    todo!()
-}
-
-#[aoc(REP, part1)]
-fn part1(input: &str) -> String {
-    todo!()
-}
-
-#[aoc(REP, part2)]
-fn part2(input: &str) -> String {
-    todo!()
-}
-
-
-#[cfg(test)]
-mod tests {
-    use super::*;
-
-    #[test]
-    fn part1_example() {}
-
-    #[test]
-    fn part2_example() {}
-}
-"#;
+    let code = include_str!("../template/codegen.rs");
     let code = code.replace("REP", &format!("day{day}"));
     std::fs::write(filename, code)?;
     Ok(())

cargo-aoc/template/codegen.rs

@@ -0,0 +1,38 @@
+use aoc_runner_derive::{aoc, aoc_generator};
+#[aoc_generator(REP)]
+fn parse(input: &str) -> String {
+    todo!()
+}
+
+#[aoc(REP, part1)]
+fn part1(input: &str) -> String {
+    todo!()
+}
+
+#[aoc(REP, part2)]
+fn part2(input: &str) -> String {
+    todo!()
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn part1_example() {
+        let input = "";
+        let output = "";
+
+        let input = parse(input);
+        let assert_eq!(part1(input), output);
+    }
+
+    #[test]
+    fn part2_example() {
+        let input = "";
+        let output = "";
+
+        let input = parse(input);
+        let assert_eq!(part2(input), output);
+    }
+}