Extract exercise struct to encapsulate path logic

src/verify.rs

@@ -1,86 +1,71 @@
-use crate::util;
+use crate::exercise::{Exercise, Mode};
 use console::{style, Emoji};
 use indicatif::ProgressBar;
-use std::fs;
-use toml::Value;
 
-pub fn verify(start_at: Option<&str>) -> Result<(), ()> {
-    let toml: Value = fs::read_to_string("info.toml").unwrap().parse().unwrap();
-    let tomlvec: &Vec<Value> = toml.get("exercises").unwrap().as_array().unwrap();
-    let mut hit_start_at = false;
-
-    for i in tomlvec {
-        let path = i.get("path").unwrap().as_str().unwrap();
-
-        if let Some(start_at) = start_at {
-            if start_at.ends_with(path) {
-                hit_start_at = true;
-            } else if !hit_start_at {
-                continue;
-            }
-        }
-
-        match i.get("mode").unwrap().as_str().unwrap() {
-            "test" => test(path)?,
-            "compile" => compile_only(path)?,
-            _ => (),
+pub fn verify<'a>(start_at: impl IntoIterator<Item=&'a Exercise>) -> Result<(), ()> {
+    for exercise in start_at {
+        match exercise.mode {
+            Mode::Test => test(&exercise)?,
+            Mode::Compile => compile_only(&exercise)?,
         }
     }
     Ok(())
 }
 
-fn compile_only(filename: &str) -> Result<(), ()> {
+fn compile_only(exercise: &Exercise) -> Result<(), ()> {
     let progress_bar = ProgressBar::new_spinner();
-    progress_bar.set_message(format!("Compiling {}...", filename).as_str());
+    progress_bar.set_message(format!("Compiling {}...", exercise).as_str());
     progress_bar.enable_steady_tick(100);
-    let compilecmd = util::compile_cmd(filename);
+    let compile_output = exercise.compile();
     progress_bar.finish_and_clear();
-    if compilecmd.status.success() {
+    if compile_output.status.success() {
         let formatstr = format!(
             "{} Successfully compiled {}!",
             Emoji("✅", "✓"),
-            filename
+            exercise
         );
         println!("{}", style(formatstr).green());
-        util::clean();
+        exercise.clean();
         Ok(())
     } else {
         let formatstr = format!(
             "{} Compilation of {} failed! Compiler error message:\n",
             Emoji("⚠️ ", "!"),
-            filename
+            exercise
         );
         println!("{}", style(formatstr).red());
-        println!("{}", String::from_utf8_lossy(&compilecmd.stderr));
-        util::clean();
+        println!("{}", String::from_utf8_lossy(&compile_output.stderr));
+        exercise.clean();
         Err(())
     }
 }
 
-pub fn test(filename: &str) -> Result<(), ()> {
+pub fn test(exercise: &Exercise) -> Result<(), ()> {
     let progress_bar = ProgressBar::new_spinner();
-    progress_bar.set_message(format!("Testing {}...", filename).as_str());
+    progress_bar.set_message(format!("Testing {}...", exercise).as_str());
     progress_bar.enable_steady_tick(100);
-    let testcmd = util::compile_test_cmd(filename);
-    if testcmd.status.success() {
-        progress_bar.set_message(format!("Running {}...", filename).as_str());
-        let runcmd = util::run_cmd();
+
+    let compile_output = exercise.compile();
+    if compile_output.status.success() {
+        progress_bar.set_message(format!("Running {}...", exercise).as_str());
+
+        let runcmd = exercise.run();
         progress_bar.finish_and_clear();
 
         if runcmd.status.success() {
-            let formatstr = format!("{} Successfully tested {}!", Emoji("✅", "✓"), filename);
+            let formatstr = format!("{} Successfully tested {}!", Emoji("✅", "✓"), exercise);
             println!("{}", style(formatstr).green());
-            util::clean();
+            exercise.clean();
             Ok(())
         } else {
             let formatstr = format!(
                 "{} Testing of {} failed! Please try again. Here's the output:",
                 Emoji("⚠️ ", "!"),
-                filename
+                exercise
             );
             println!("{}", style(formatstr).red());
             println!("{}", String::from_utf8_lossy(&runcmd.stdout));
-            util::clean();
+            exercise.clean();
             Err(())
         }
     } else {
@@ -88,11 +73,11 @@ pub fn test(filename: &str) -> Result<(), ()> {
         let formatstr = format!(
             "{} Compiling of {} failed! Please try again. Here's the output:",
             Emoji("⚠️ ", "!"),
-            filename
+            exercise
         );
         println!("{}", style(formatstr).red());
-        println!("{}", String::from_utf8_lossy(&testcmd.stderr));
-        util::clean();
+        println!("{}", String::from_utf8_lossy(&compile_output.stderr));
+        exercise.clean();
         Err(())
     }
 }