standardize exercise running via an external toml file

Author: komaeda

Cargo.toml

@@ -10,3 +10,4 @@ indicatif = "0.9.0"
 console = "0.6.2"
 syntect = "3.0.2"
 notify = "4.0.0"
+toml = "0.4.10"

info.toml

@@ -0,0 +1,199 @@
+# VARIABLES
+
+[[exercises]]
+path = "exercises/variables/variables1.rs"
+mode = "compile"
+
+[[exercises]]
+path = "exercises/variables/variables2.rs"
+mode = "compile"
+
+[[exercises]]
+path = "exercises/variables/variables3.rs"
+mode = "compile"
+
+[[exercises]]
+path = "exercises/variables/variables4.rs"
+mode = "compile"
+
+# IF
+
+[[exercises]]
+path = "exercises/if/if1.rs"
+mode = "test"
+
+# FUNCTIONS
+
+[[exercises]]
+path = "exercises/functions/functions1.rs"
+mode = "compile"
+
+[[exercises]]
+path = "exercises/functions/functions2.rs"
+mode = "compile"
+
+[[exercises]]
+path = "exercises/functions/functions3.rs"
+mode = "compile"
+
+[[exercises]]
+path = "exercises/functions/functions4.rs"
+mode = "compile"
+
+[[exercises]]
+path = "exercises/functions/functions5.rs"
+mode = "compile"
+
+# TEST 1
+
+[[exercises]]
+path = "exercises/test1.rs"
+mode = "test"
+
+# PRIMITIVE TYPES
+
+[[exercises]]
+path = "exercises/primitive_types/primitive_types1.rs"
+mode = "compile"
+
+[[exercises]]
+path = "exercises/primitive_types/primitive_types2.rs"
+mode = "compile"
+
+[[exercises]]
+path = "exercises/primitive_types/primitive_types3.rs"
+mode = "compile"
+
+[[exercises]]
+path = "exercises/primitive_types/primitive_types4.rs"
+mode = "compile"
+
+[[exercises]]
+path = "exercises/primitive_types/primitive_types5.rs"
+mode = "compile"
+
+[[exercises]]
+path = "exercises/primitive_types/primitive_types6.rs"
+mode = "compile"
+
+# TESTS
+
+[[exercises]]
+path = "exercises/tests/tests1.rs"
+mode = "test"
+
+[[exercises]]
+path = "exercises/tests/tests2.rs"
+mode = "test"
+
+[[exercises]]
+path = "exercises/tests/tests3.rs"
+mode = "test"
+
+# TEST 2
+
+[[exercises]]
+path = "exercises/test2.rs"
+mode = "test"
+
+# STRINGS
+
+[[exercises]]
+path = "exercises/strings/strings1.rs"
+mode = "compile"
+
+[[exercises]]
+path = "exercises/strings/strings2.rs"
+mode = "compile"
+
+# TEST 3
+
+[[exercises]]
+path = "exercises/test3.rs"
+mode = "compile"
+
+# MODULES
+
+[[exercises]]
+path = "exercises/modules/modules1.rs"
+mode = "compile"
+
+[[exercises]]
+path = "exercises/modules/modules2.rs"
+mode = "compile"
+
+# MACROS
+
+[[exercises]]
+path = "exercises/macros/macros1.rs"
+mode = "compile"
+
+[[exercises]]
+path = "exercises/macros/macros2.rs"
+mode = "compile"
+
+[[exercises]]
+path = "exercises/macros/macros3.rs"
+mode = "compile"
+
+[[exercises]]
+path = "exercises/macros/macros4.rs"
+mode = "compile"
+
+# TEST 4
+
+[[exercises]]
+path = "exercises/test4.rs"
+mode = "compile"
+
+# MOVE SEMANTICS
+
+[[exercises]]
+path = "exercises/move_semantics/move_semantics1.rs"
+mode = "compile"
+
+[[exercises]]
+path = "exercises/move_semantics/move_semantics2.rs"
+mode = "compile"
+
+[[exercises]]
+path = "exercises/move_semantics/move_semantics3.rs"
+mode = "compile"
+
+[[exercises]]
+path = "exercises/move_semantics/move_semantics4.rs"
+mode = "compile"
+
+# ERROR HANDLING
+
+[[exercises]]
+path = "exercises/error_handling/errors1.rs"
+mode = "test"
+
+[[exercises]]
+path = "exercises/error_handling/errors2.rs"
+mode = "test"
+
+[[exercises]]
+path = "exercises/error_handling/errors3.rs"
+mode = "test"
+
+[[exercises]]
+path = "exercises/error_handling/errorsn.rs"
+mode = "test"
+
+# OPTIONS / RESULTS
+
+[[exercises]]
+path = "exercises/error_handling/option1.rs"
+mode = "compile"
+
+[[exercises]]
+path = "exercises/error_handling/result1.rs"
+mode = "test"
+
+# THREADS
+
+[[exercises]]
+path = "exercises/threads/threads1.rs"
+mode = "compile"

src/main.rs

@@ -48,7 +48,7 @@ fn main() {
     }
 
     if let Some(matches) = matches.subcommand_matches("run") {
-        run(matches.clone());
+        run(matches.clone()).unwrap();
     }
 
     if let Some(_) = matches.subcommand_matches("verify") {

src/run.rs

@@ -2,54 +2,71 @@ use crate::util::clean;
 use crate::verify::test;
 use console::{style, Emoji};
 use indicatif::ProgressBar;
+use std::fs;
 use std::process::Command;
+use toml::Value;
 
-pub fn run(matches: clap::ArgMatches) {
+pub fn run(matches: clap::ArgMatches) -> Result<(), ()> {
     if let Some(filename) = matches.value_of("file") {
-        if matches.is_present("test") {
-            match test(filename) {
-                Ok(_) => (),
-                Err(_) => (),
-            }
-            std::process::exit(0);
+        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 exercises = tomlvec.clone();
+        exercises.retain(|i| i.get("path").unwrap().as_str().unwrap() == filename);
+        if exercises.is_empty() {
+            println!("No exercise found for your filename!");
+            std::process::exit(1);
         }
-        let bar = ProgressBar::new_spinner();
-        bar.set_message(format!("Compiling {}...", filename).as_str());
-        bar.enable_steady_tick(100);
-        let compilecmd = Command::new("rustc")
-            .args(&[filename, "-o", "temp", "--color", "always"])
-            .output()
-            .expect("fail");
-        bar.set_message(format!("Running {}...", filename).as_str());
-        if compilecmd.status.success() {
-            let runcmd = Command::new("./temp").output().expect("fail");
-            bar.finish_and_clear();
 
-            if runcmd.status.success() {
-                println!("{}", String::from_utf8_lossy(&runcmd.stdout));
-                let formatstr = format!("{} Successfully ran {}", Emoji("✅", "✓"), filename);
-                println!("{}", style(formatstr).green());
-                clean();
-            } else {
-                println!("{}", String::from_utf8_lossy(&runcmd.stdout));
-                println!("{}", String::from_utf8_lossy(&runcmd.stderr));
+        let exercise: &Value = &exercises[0];
+        match exercise.get("mode").unwrap().as_str().unwrap() {
+            "test" => test(exercise.get("path").unwrap().as_str().unwrap())?,
+            "compile" => compile_and_run(exercise.get("path").unwrap().as_str().unwrap())?,
+            _ => (),
+        }
+        Ok(())
+    } else {
+        panic!("Please supply a filename!");
+    }
+}
 
-                let formatstr = format!("{} Ran {} with errors", Emoji("⚠️ ", "!"), filename);
-                println!("{}", style(formatstr).red());
-                clean();
-            }
+pub fn compile_and_run(filename: &str) -> Result<(), ()> {
+    let bar = ProgressBar::new_spinner();
+    bar.set_message(format!("Compiling {}...", filename).as_str());
+    bar.enable_steady_tick(100);
+    let compilecmd = Command::new("rustc")
+        .args(&[filename, "-o", "temp", "--color", "always"])
+        .output()
+        .expect("fail");
+    bar.set_message(format!("Running {}...", filename).as_str());
+    if compilecmd.status.success() {
+        let runcmd = Command::new("./temp").output().expect("fail");
+        bar.finish_and_clear();
+
+        if runcmd.status.success() {
+            println!("{}", String::from_utf8_lossy(&runcmd.stdout));
+            let formatstr = format!("{} Successfully ran {}", Emoji("✅", "✓"), filename);
+            println!("{}", style(formatstr).green());
+            clean();
+            Ok(())
         } else {
-            bar.finish_and_clear();
-            let formatstr = format!(
-                "{} Compilation of {} failed! Compiler error message:\n",
-                Emoji("⚠️ ", "!"),
-                filename
-            );
+            println!("{}", String::from_utf8_lossy(&runcmd.stdout));
+            println!("{}", String::from_utf8_lossy(&runcmd.stderr));
+
+            let formatstr = format!("{} Ran {} with errors", Emoji("⚠️ ", "!"), filename);
             println!("{}", style(formatstr).red());
-            println!("{}", String::from_utf8_lossy(&compilecmd.stderr));
             clean();
+            Err(())
         }
     } else {
-        panic!("Please supply a filename!");
+        bar.finish_and_clear();
+        let formatstr = format!(
+            "{} Compilation of {} failed! Compiler error message:\n",
+            Emoji("⚠️ ", "!"),
+            filename
+        );
+        println!("{}", style(formatstr).red());
+        println!("{}", String::from_utf8_lossy(&compilecmd.stderr));
+        clean();
+        Err(())
     }
 }

src/verify.rs

@@ -1,51 +1,20 @@
 use crate::util::clean;
 use console::{style, Emoji};
 use indicatif::ProgressBar;
+use std::fs;
 use std::process::Command;
+use toml::Value;
 
 pub fn verify() -> Result<(), ()> {
-    compile_only("exercises/variables/variables1.rs")?;
-    compile_only("exercises/variables/variables2.rs")?;
-    compile_only("exercises/variables/variables3.rs")?;
-    compile_only("exercises/variables/variables4.rs")?;
-    test("exercises/if/if1.rs")?;
-    compile_only("exercises/functions/functions1.rs")?;
-    compile_only("exercises/functions/functions2.rs")?;
-    compile_only("exercises/functions/functions3.rs")?;
-    compile_only("exercises/functions/functions4.rs")?;
-    compile_only("exercises/functions/functions5.rs")?;
-    test("exercises/test1.rs")?;
-    compile_only("exercises/primitive_types/primitive_types1.rs")?;
-    compile_only("exercises/primitive_types/primitive_types2.rs")?;
-    compile_only("exercises/primitive_types/primitive_types3.rs")?;
-    compile_only("exercises/primitive_types/primitive_types4.rs")?;
-    compile_only("exercises/primitive_types/primitive_types5.rs")?;
-    compile_only("exercises/primitive_types/primitive_types6.rs")?;
-    test("exercises/tests/tests1.rs")?;
-    test("exercises/tests/tests2.rs")?;
-    test("exercises/tests/tests3.rs")?;
-    test("exercises/test2.rs")?;
-    compile_only("exercises/strings/strings1.rs")?;
-    compile_only("exercises/strings/strings2.rs")?;
-    compile_only("exercises/test3.rs")?;
-    compile_only("exercises/modules/modules1.rs")?;
-    compile_only("exercises/modules/modules2.rs")?;
-    compile_only("exercises/macros/macros1.rs")?;
-    compile_only("exercises/macros/macros2.rs")?;
-    compile_only("exercises/macros/macros3.rs")?;
-    compile_only("exercises/macros/macros4.rs")?;
-    compile_only("exercises/test4.rs")?;
-    compile_only("exercises/move_semantics/move_semantics1.rs")?;
-    compile_only("exercises/move_semantics/move_semantics2.rs")?;
-    compile_only("exercises/move_semantics/move_semantics3.rs")?;
-    compile_only("exercises/move_semantics/move_semantics4.rs")?;
-    test("exercises/error_handling/errors1.rs")?;
-    test("exercises/error_handling/errors2.rs")?;
-    test("exercises/error_handling/errors3.rs")?;
-    test("exercises/error_handling/errorsn.rs")?;
-    compile_only("exercises/error_handling/option1.rs")?;
-    test("exercises/error_handling/result1.rs")?;
-    compile_only("exercises/threads/threads1.rs")?;
+    let toml: Value = fs::read_to_string("info.toml").unwrap().parse().unwrap();
+    let tomlvec: &Vec<Value> = toml.get("exercises").unwrap().as_array().unwrap();
+    for i in tomlvec {
+        match i.get("mode").unwrap().as_str().unwrap() {
+            "test" => test(i.get("path").unwrap().as_str().unwrap())?,
+            "compile" => compile_only(i.get("path").unwrap().as_str().unwrap())?,
+            _ => (),
+        }
+    }
     Ok(())
 }