Extracted `mdbook test` and `mdbook init` to separate files/modules

src/bin/init.rs

@@ -1,9 +1,11 @@
+use std::io;
+use std::io::Write;
 use std::error::Error;
 
 use clap::{ArgMatches, SubCommand, App};
 use mdbook::MDBook;
 
-use {get_book_dir, confirm};
+use get_book_dir;
 
 // Init command implementation
 pub fn init(args: &ArgMatches) -> Result<(), Box<Error>> {
@@ -57,6 +59,17 @@ pub fn init(args: &ArgMatches) -> Result<(), Box<Error>> {
     Ok(())
 }
 
+// Simple function that user comfirmation
+fn confirm() -> bool {
+    io::stdout().flush().unwrap();
+    let mut s = String::new();
+    io::stdin().read_line(&mut s).ok();
+    match &*s.trim() {
+        "Y" | "y" | "yes" | "Yes" => true,
+        _ => false,
+    }
+}
+
 pub fn make_subcommand<'a, 'b>() -> App<'a, 'b> {
     SubCommand::with_name("init")
         .about("Create boilerplate structure and files in the directory")

src/bin/mdbook.rs

@@ -6,22 +6,20 @@ extern crate env_logger;
 extern crate open;
 
 use std::env;
-use std::error::Error;
 use std::ffi::OsStr;
 use std::io::{self, Write};
 use std::path::{Path, PathBuf};
 
-use clap::{App, ArgMatches, SubCommand, AppSettings};
+use clap::{App, ArgMatches, AppSettings};
 
 pub mod build;
 pub mod init;
+pub mod test;
 #[cfg(feature = "serve")]
 pub mod serve;
 #[cfg(feature = "watch")]
 pub mod watch;
 
-use mdbook::MDBook;
-
 const NAME: &'static str = "mdbook";
 
 fn main() {
@@ -37,8 +35,7 @@ fn main() {
                 .after_help("For more information about a specific command, try `mdbook <command> --help`\nSource code for mdbook available at: https://github.com/azerupi/mdBook")
                 .subcommand(init::make_subcommand())
                 .subcommand(build::make_subcommand())
-                    .subcommand(SubCommand::with_name("test")
-                        .about("Test that code samples compile"));
+                .subcommand(test::make_subcommand());
 
     #[cfg(feature = "watch")]
     let app = app.subcommand(watch::make_subcommand());
@@ -53,7 +50,7 @@ fn main() {
         ("watch", Some(sub_matches)) => watch::watch(sub_matches),
         #[cfg(feature = "serve")]
         ("serve", Some(sub_matches)) => serve::serve(sub_matches),
-        ("test", Some(sub_matches)) => test(sub_matches),
+        ("test", Some(sub_matches)) => test::test(sub_matches),
         (_, _) => unreachable!(),
     };
 
@@ -63,29 +60,6 @@ fn main() {
     }
 }
 
-
-// Simple function that user comfirmation
-fn confirm() -> bool {
-    io::stdout().flush().unwrap();
-    let mut s = String::new();
-    io::stdin().read_line(&mut s).ok();
-    match &*s.trim() {
-        "Y" | "y" | "yes" | "Yes" => true,
-        _ => false,
-    }
-}
-
-
-fn test(args: &ArgMatches) -> Result<(), Box<Error>> {
-    let book_dir = get_book_dir(args);
-    let mut book = MDBook::new(&book_dir).read_config()?;
-
-    book.test()?;
-
-    Ok(())
-}
-
-
 fn get_book_dir(args: &ArgMatches) -> PathBuf {
     if let Some(dir) = args.value_of("dir") {
         // Check if path is relative from current dir, or absolute...

src/bin/test.rs

@@ -0,0 +1,20 @@
+use std::error::Error;
+
+use clap::{ArgMatches, SubCommand, App};
+use mdbook::MDBook;
+
+use get_book_dir;
+
+// test command implementation
+pub fn test(args: &ArgMatches) -> Result<(), Box<Error>> {
+    let book_dir = get_book_dir(args);
+    let mut book = MDBook::new(&book_dir).read_config()?;
+
+    book.test()?;
+
+    Ok(())
+}
+
+pub fn make_subcommand<'a, 'b>() -> App<'a, 'b> {
+    SubCommand::with_name("test").about("Test that code samples compile")
+}