Global temporary directory

Author: jdub

libbindgen/tests/tests.rs

@@ -1,6 +1,8 @@
+extern crate diff;
+#[macro_use]
+extern crate lazy_static;
 extern crate libbindgen;
 extern crate tempdir;
-extern crate diff;
 
 use std::env;
 use std::fs;
@@ -9,18 +11,21 @@ use std::path::{Path, PathBuf};
 use std::process::Command;
 use tempdir::TempDir;
 
-fn test_generated_bindings(header: &PathBuf, output: &str) -> Result<(), ()> {
-    let temp_dir = TempDir::new("bindgen-tests")
-        .expect("Couldn't create temp dir");
+lazy_static! {
+    static ref TEMP_DIR: PathBuf = TempDir::new("libbindgen-tests")
+        .expect("Couldn't create temporary directory")
+        .into_path();
+}
 
+fn test_generated_bindings(header: &PathBuf, output: &str) -> Result<(), ()> {
     let file_name = header.file_name()
         .expect("test_generated_bindings expects a file");
 
-    let mut source = temp_dir.path().to_owned();
+    let mut source = TEMP_DIR.to_path_buf();
     source.push(file_name);
     source.set_extension("rs");
 
-    let mut binary = temp_dir.path().to_owned();
+    let mut binary = TEMP_DIR.to_path_buf();
     binary.push(file_name);
     binary.set_extension("bin");
 
@@ -168,6 +173,10 @@ fn run_bindgen_tests() {
 
     let num_failures = failures.len();
 
+    let temp_dir = TEMP_DIR.as_path();
+    fs::remove_dir_all(temp_dir)
+        .expect(format!("Couldn't clean up temporary directory: {:?}", temp_dir).as_str());
+
     if num_failures > 0 {
         panic!("{} test failures!", num_failures);
     }