Isolate the compiletest dependencies

test_suite/tests/compiletest.rs

@@ -0,0 +1,26 @@
+extern crate compiletest_rs as compiletest;
+
+use std::env;
+
+fn run_mode(mode: &'static str) {
+    let mut config = compiletest::default_config();
+
+    config.mode = mode.parse().expect("invalid mode");
+    config.target_rustcflags = Some("-L deps/target/debug/deps".to_owned());
+    if let Ok(name) = env::var("TESTNAME") {
+        config.filter = Some(name);
+    }
+    config.src_base = format!("tests/{}", mode).into();
+
+    compiletest::run_tests(&config);
+}
+
+#[test]
+fn compile_fail() {
+    run_mode("compile-fail");
+}
+
+#[test]
+fn run_pass() {
+    run_mode("run-pass");
+}