Auto merge of #359 - kbknapp:appveyor_test, r=Vinatorul

Added appveyor

for windows build tests.

**Do not merge, yet**

README.md

@@ -1,6 +1,8 @@
 # clap
 
-[![Build Status](https://travis-ci.org/kbknapp/clap-rs.svg?branch=master)](https://travis-ci.org/kbknapp/clap-rs) [![](http://meritbadge.herokuapp.com/clap)](https://crates.io/crates/clap) [![license](http://img.shields.io/badge/license-MIT-blue.svg)](https://github.com/kbknapp/clap-rs/blob/master/LICENSE-MIT) [![Coverage Status](https://coveralls.io/repos/kbknapp/clap-rs/badge.svg?branch=master&service=github)](https://coveralls.io/github/kbknapp/clap-rs?branch=master) [![Join the chat at https://gitter.im/kbknapp/clap-rs](https://badges.gitter.im/Join%20Chat.svg)](https://gitter.im/kbknapp/clap-rs?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge)
+[![Build Status](https://travis-ci.org/kbknapp/clap-rs.svg?branch=master)](https://travis-ci.org/kbknapp/clap-rs)
+[![Build status](https://ci.appveyor.com/api/projects/status/ejg8c33dn31nhv36/branch/master?svg=true)](https://ci.appveyor.com/project/kbknapp/clap-rs/branch/master)
+[![](http://meritbadge.herokuapp.com/clap)](https://crates.io/crates/clap) [![license](http://img.shields.io/badge/license-MIT-blue.svg)](https://github.com/kbknapp/clap-rs/blob/master/LICENSE-MIT) [![Coverage Status](https://coveralls.io/repos/kbknapp/clap-rs/badge.svg?branch=master&service=github)](https://coveralls.io/github/kbknapp/clap-rs?branch=master) [![Join the chat at https://gitter.im/kbknapp/clap-rs](https://badges.gitter.im/Join%20Chat.svg)](https://gitter.im/kbknapp/clap-rs?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge)
 
 Command Line Argument Parser for Rust
 

appveyor.yml

@@ -0,0 +1,12 @@
+install:
+  - ps: Start-FileDownload 'https://static.rust-lang.org/dist/rust-nightly-i686-pc-windows-gnu.exe'
+  - rust-nightly-i686-pc-windows-gnu.exe /VERYSILENT /NORESTART /DIR="C:\Program Files (x86)\Rust"
+  - SET PATH=%PATH%;C:\Program Files (x86)\Rust\bin
+  - rustc -V
+  - cargo -V
+
+build: false
+
+test_script:
+  - cargo build --features yaml
+  - cargo test --no-default-features --features yaml 

src/errors.rs

@@ -497,10 +497,11 @@ pub enum ClapErrorType {
     UnexpectedMultipleUsage,
     /// Error occurs when argument contains invalid unicode characters
     ///
+    /// **Note:** Non-Windows OS only
     ///
     /// # Examples
     ///
-    /// ```no_run
+    /// ```ignore
     /// # use clap::{App, Arg};
     /// # use std::os::unix::ffi::OsStringExt;
     /// # use std::ffi::OsString;

src/fmt.rs

@@ -55,7 +55,7 @@ impl<T: fmt::Display> fmt::Display for Format<T> {
     }
 }
 
-#[cfg(test)]
+#[cfg(all(test, feature = "color", not(target_os = "windows")))]
 mod test {
     use super::Format;
     use ansi_term::Colour::{Green, Red, Yellow};

src/suggestions.rs

@@ -72,7 +72,7 @@ pub enum DidYouMeanMessageStyle {
     EnumValue,
 }
 
-#[cfg(test)]
+#[cfg(all(test, features = "suggestions"))]
 mod test {
     use super::*;
 
@@ -81,6 +81,5 @@ mod test {
         let p_vals = ["test", "possible", "values"];
         assert_eq!(did_you_mean("tst", p_vals.iter()), Some("test"));
         assert!(did_you_mean("hahaahahah", p_vals.iter()).is_none());
-
     }
 }

tests/unicode.rs

@@ -1,10 +1,12 @@
 extern crate clap;
 
 use std::ffi::OsString;
+#[cfg(not(windows))]
 use std::os::unix::ffi::OsStringExt;
 use clap::{App, Arg, ClapErrorType};
 
-#[test]
+#[cfg_attr(not(windows), test)]
+#[cfg(not(windows))]
 fn invalid_unicode_safe() {
     let m = App::new("bad_unicode")
         .arg(Arg::from_usage("<arg> 'some arg'"))
@@ -16,7 +18,8 @@ fn invalid_unicode_safe() {
     }
 }
 
-#[test]
+#[cfg_attr(not(windows), test)]
+#[cfg(not(windows))]
 fn invalid_unicode_lossy() {
     if let Ok(m) = App::new("bad_unicode")
         .arg(Arg::from_usage("<arg> 'some arg'"))