Make serde-tests a standalone crate

.gitignore

@@ -1,2 +1,2 @@
-/target
-/Cargo.lock
+target
+Cargo.lock

.travis.yml

@@ -11,6 +11,7 @@ script:
   - cargo build --verbose --no-default-features
   - cargo build --verbose --features serde --no-default-features
   - cargo test --verbose --features serde
+  - cargo test --verbose --manifest-path serde-tests/Cargo.toml
   - rustdoc --test README.md -L target
   - cargo doc --no-deps
 after_success:

Cargo.toml

@@ -17,11 +17,10 @@ facilitate deserializing and serializing Rust structures.
 
 [dependencies]
 rustc-serialize = { optional = true, version = "0.3.0" }
-serde = { optional = true }
+serde = { optional = true, version = "0.5" }
 
 [features]
 default = ["rustc-serialize"]
 
 [dev-dependencies]
 rustc-serialize = "0.3"
-serde_macros = "*"

serde-tests/Cargo.toml

@@ -0,0 +1,21 @@
+[package]
+name = "serde-tests"
+version = "0.1.0"
+authors = ["Alex Crichton <alex@alexcrichton.com>"]
+build = "build.rs"
+
+[dependencies]
+serde = "0.5"
+toml = { path = "..", features = ["serde"] }
+
+[build-dependencies]
+syntex = "0.7"
+serde_codegen = "0.5"
+
+[lib]
+name = "serde_tests"
+path = "lib.rs"
+
+[[test]]
+name = "serde"
+path = "test.rs"

serde-tests/build.rs

@@ -0,0 +1,17 @@
+extern crate syntex;
+extern crate serde_codegen;
+
+use std::env;
+use std::path::Path;
+
+fn main() {
+    let out_dir = env::var_os("OUT_DIR").unwrap();
+
+    let src = Path::new("test.rs.in");
+    let dst = Path::new(&out_dir).join("test.rs");
+
+    let mut registry = syntex::Registry::new();
+
+    serde_codegen::register(&mut registry);
+    registry.expand("", &src, &dst).unwrap();
+}

serde-tests/lib.rs

@@ -0,0 +1 @@
+// intentionally blank

serde-tests/test.rs

@@ -0,0 +1 @@
+include!(concat!(env!("OUT_DIR"), "/test.rs"));

tests/serde.rs → serde-tests/test.rs.in

@@ -1,8 +1,3 @@
-#![cfg(feature = "serde")]
-#![feature(custom_derive, plugin)]
-#![plugin(serde_macros)]
-
-
 extern crate serde;
 extern crate toml;
 
@@ -308,8 +303,8 @@ fn parse_enum() {
     }
 
     let v = Foo { a: E::Bar(10) };
-    // technically serde is correct here. a single element tuple still is a tuple and therefor
-    // a sequence
+    // technically serde is correct here. a single element tuple still is a
+    // tuple and therefor a sequence
     assert_eq!(
         encode!(v),
         map! { a, Integer(10) }