src/rustbook/test.rs

   1 // Copyright 2014 The Rust Project Developers. See the COPYRIGHT
   2 // file at the top-level directory of this distribution and at
   3 // http://rust-lang.org/COPYRIGHT.
   4 //
   5 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
   6 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
   7 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
   8 // option. This file may not be copied, modified, or distributed
   9 // except according to those terms.
  10
  11 //! Implementation of the `test` subcommand. Just a stub for now.
  12
  13 use subcommand::Subcommand;
  14 use error::{err, CliResult, CommandResult};
  15 use term::Term;
  16 use book;
  17
  18 use std::fs::File;
  19 use std::env;
  20 use std::process::Command;
  21
  22 struct Test;
  23
  24 pub fn parse_cmd(name: &str) -> Option<Box<Subcommand>> {
  25     if name == "test" {
  26         Some(Box::new(Test))
  27     } else {
  28         None
  29     }
  30 }
  31
  32 impl Subcommand for Test {
  33     fn parse_args(&mut self, _: &[String]) -> CliResult<()> {
  34         Ok(())
  35     }
  36     fn usage(&self) {}
  37     fn execute(&mut self, term: &mut Term) -> CommandResult<()> {
  38         let cwd = env::current_dir().unwrap();
  39         let src = cwd.clone();
  40
  41         let mut summary = try!(File::open(&src.join("SUMMARY.md")));
  42         match book::parse_summary(&mut summary, &src) {
  43             Ok(book) => {
  44                 for (_, item) in book.iter() {
  45                     let output_result = Command::new("rustdoc")
  46                         .arg(&item.path)
  47                         .arg("--test")
  48                         .output();
  49                     match output_result {
  50                         Ok(output) => {
  51                             if !output.status.success() {
  52                                 term.err(&format!("{}\n{}",
  53                                          String::from_utf8_lossy(&output.stdout),
  54                                          String::from_utf8_lossy(&output.stderr)));
  55                                 return Err(err("some tests failed"));
  56                             }
  57
  58                         }
  59                         Err(e) => {
  60                             let message = format!("could not execute `rustdoc`: {}", e);
  61                             return Err(err(&message))
  62                         }
  63                     }
  64                 }
  65             }
  66             Err(errors) => {
  67                 for err in errors {
  68                     term.err(&err[..]);
  69                 }
  70                 return Err(err("there was an error"))
  71             }
  72         }
  73         Ok(()) // lol
  74     }
  75 }