Fixing some of the failing test cases

Still more to finish, however...

src/lib.rs

@@ -21,6 +21,6 @@ mod token;
 mod usage;
 mod vars;
 
-pub use matches::{Matches, MatchesTrait, matches};
+pub use matches::{Matches, Match, matches};
 pub use vars::{Vars, vars};
 pub use usage::usage;

src/matches.rs

@@ -76,17 +76,20 @@ pub fn matches(vars: &mut Vars, env_args: &[String]) -> Result<Matches, Error> {
     }
 }
 
-pub trait MatchesTrait {
-    fn get(&self, arg: &str) -> Option<&String>;
+pub trait Match {
+    fn get(&self, arg: &str) -> Option<String>;
 
     fn has_match(&self, arg: &str) -> bool;
 
     fn matches(&self) -> Keys<String, String>;
 }
 
-impl MatchesTrait for Matches {
-    fn get(&self, arg: &str) -> Option<&String> {
-        self.get(arg)
+impl Match for Matches {
+    fn get(&self, arg: &str) -> Option<String> {
+        match self.get(arg) {
+            Some(s) => Some(s.clone()),
+            None => None
+        }
     }
 
     fn has_match(&self, arg: &str) -> bool {
@@ -101,20 +104,20 @@ impl MatchesTrait for Matches {
 
 #[cfg(test)]
 mod tests {
-    use super::Matches;
-    use super::super::errors::{Error, ErrorKind};
-    use super::super::vars::Vars;
+    use super::matches;
+    use super::super::vars::vars;
     
     #[test]
     fn test_matches() {
-        let opts = vec!["o/opt(An option)", "a(Argument):"];
+        let opts = vec!["o/opt(An option)", "a(An argument):"];
         let env_args = vec![String::from("test"), String::from("-a"), String::from("Test")];
-        let mut vars = Vars::new("Test", &opts).unwrap();
-        let matches = match Matches::new(&mut vars, &env_args) {
+        let mut vars = vars("Test", &opts).unwrap();
+        let matches = match matches(&mut vars, &env_args) {
             Ok(m) => m,
             Err(why) => panic!("An error occurred: {}", why)
         };
         
-        assert_eq!(matches.get("opt").unwrap(), &String::from("opt"));
+        let argument = matches.get("a").unwrap();
+        assert_eq!(argument, String::from("Test"));
     }
 }

src/token.rs

@@ -191,12 +191,12 @@ enum AnalysisStage {
 
 #[cfg(test)]
 mod tests {
-    use super::Token;
+    use super::{Token, token};
 
     #[test]
     fn test_new_token() {
         let opt = "h/help(Display the program usage)";
-        let token = match Token::new(opt) {
+        let token = match token(opt) {
             Ok(t) => t,
             Err(why) => panic!("Received error: {}", why)
         };
@@ -216,7 +216,7 @@ mod tests {
     #[test]
     fn test_new_group() {
         let opt = "(This is a group)";
-        let token = match Token::new(opt) {
+        let token = match token(opt) {
             Ok(t) => t,
             Err(why) => panic!("Received error: {}", why)
         };
@@ -236,7 +236,7 @@ mod tests {
     #[test]
     fn test_new_token_with_arg() {
         let opt = "o/option(An option with an argument):";
-        let token = match Token::new(opt) {
+        let token = match token(opt) {
             Ok(t) => t,
             Err(why) => panic!("Received error: {}", why)
         };
@@ -256,7 +256,7 @@ mod tests {
     #[test]
     fn test_new_token_as_arg() {
         let opt = ":a/arg(An argument)";
-        let token = match Token::new(opt) {
+        let token = match token(opt) {
             Ok(t) => t,
             Err(why) => panic!("Received error: {}", why)
         };
@@ -277,7 +277,7 @@ mod tests {
     #[should_panic]
     fn test_invalid_token_format() {
         let input = ":w/wrong(Wrong format):";
-        match Token::new(input) {
+        match token(input) {
             Ok(t) => t,
             Err(why) => panic!("Received error: {}", why)
         };
@@ -289,12 +289,12 @@ mod tests {
         let long_name = "o/out";
         let group = "(Output)";
         
-        let short_token = Token::new(short_name).unwrap();
-        let long_token = Token::new(long_name).unwrap();
-        let group_token = Token::new(group).unwrap();
+        let short_token = token(short_name).unwrap();
+        let long_token = token(long_name).unwrap();
+        let group_token = token(group).unwrap();
         
         assert_eq!(short_token.name(), "o");
         assert_eq!(long_token.name(), "out");
-        assert_eq!(group_token.name(), "");
+        assert_eq!(group_token.name(), "Output");
     }
 }

tests/main.rs

@@ -1,33 +1,38 @@
 extern crate pirate;
 
-use std::env;
-
-use pirate::{Matches, MatchesTrait, matches, usage, vars};
+use pirate::{Matches, Match, matches, usage, vars};
 
+#[test]
 fn main() {
-    let env_args: Vec<String> = env::args().collect();
-    let opts = vec!["o/opt(An option)", "a(An Argument):"];
+    let env_args: Vec<String> = vec![String::from("test"), String::from("-a"), String::from("2"), String::from("3")];
+    let opts = vec!["a/addend(The right side of the addition equation; default=1):", "(Required Arguments)",
+                                                                        ":augend(The left side of an addition equation)"];
     let mut vars = vars("test", &opts).unwrap();
     
     let matches: Matches = match matches(&mut vars, &env_args) {
         Ok(m) => m,
-        Err(why) => panic!("An error occurred: {}", why)
+        Err(why) => {
+            println!("Error: {}", why);
+            usage(&vars);
+            return;
+        }
     };
     
     if matches.has_match("help") {
         usage(&vars);
         return;
     }
-
-    let arg = match matches.get("a") {
-        Some(a) => a.clone(),
-        None => String::from("Pickle")
-    };
-
-    match matches.get("opt") {
-        Some(_) => println!("Opt was passed to the program"),
-        None => println!("Opt was not passed to the program")
-    }
     
-    println!("{}", arg);
+    let augend: i32 = matches.get("augend").unwrap().parse::<i32>().unwrap();
+
+    let addend: i32 = match matches.get("addend") {
+        Some(a) => a.parse::<i32>().unwrap(),
+        None => 1
+    };
+    
+    let sum = augend + addend;
+    
+    assert_eq!(augend, 3);
+    assert_eq!(addend, 2);
+    assert_eq!(sum, 5);
 }