Make web tests no longer mutate original files

server/tests/test_util/mod.rs

@@ -1,5 +1,11 @@
+use std::fs::{create_dir, copy};
+use std::path::Path;
+use std::io;
+
 use rouille::Request;
 
+use walkdir::WalkDir;
+
 use librojo::web::Server;
 
 pub trait HttpTestUtil {
@@ -20,3 +26,29 @@ impl HttpTestUtil for Server {
         body
     }
 }
+
+pub fn copy_recursive(from: &Path, to: &Path) -> io::Result<()> {
+    for entry in WalkDir::new(from) {
+        let entry = entry?;
+        let path = entry.path();
+        let new_path = to.join(path.strip_prefix(from).unwrap());
+
+        let file_type = entry.file_type();
+
+        if file_type.is_dir() {
+            match create_dir(new_path) {
+                Ok(_) => {},
+                Err(err) => match err.kind() {
+                    io::ErrorKind::AlreadyExists => {},
+                    _ => panic!(err),
+                }
+            }
+        } else if file_type.is_file() {
+            copy(path, new_path)?;
+        } else {
+            unimplemented!("no symlinks please");
+        }
+    }
+
+    Ok(())
+}

server/tests/web.rs

@@ -1,6 +1,8 @@
 extern crate rouille;
 extern crate serde_json;
 extern crate serde;
+extern crate tempfile;
+extern crate walkdir;
 
 extern crate librojo;
 
@@ -21,12 +23,17 @@ use librojo::{
 
 #[test]
 fn empty() {
-    let project_path = {
+    let original_project_path = {
         let mut path = PathBuf::from(env!("CARGO_MANIFEST_DIR"));
         path.push("test-projects/empty");
         path
     };
 
+    let project_tempdir = tempfile::tempdir().unwrap();
+    let project_path = project_tempdir.path();
+
+    copy_recursive(&original_project_path, &project_path).unwrap();
+
     let project = Project::load(&project_path).unwrap();
     let mut session = Session::new(project.clone());
     session.start();
@@ -64,12 +71,17 @@ fn empty() {
 
 #[test]
 fn one_partition() {
-    let project_path = {
+    let original_project_path = {
         let mut path = PathBuf::from(env!("CARGO_MANIFEST_DIR"));
         path.push("test-projects/one-partition");
         path
     };
 
+    let project_tempdir = tempfile::tempdir().unwrap();
+    let project_path = project_tempdir.path();
+
+    copy_recursive(&original_project_path, &project_path).unwrap();
+
     let project = Project::load(&project_path).unwrap();
     let mut session = Session::new(project.clone());
     session.start();
@@ -202,11 +214,7 @@ fn one_partition() {
     };
 
     {
-        let temp_name = {
-            let mut path = project_path.clone();
-            path.push("lib/c.client.lua");
-            path
-        };
+        let temp_name = project_path.join("lib/c.client.lua");
 
         {
             let mut file = File::create(&temp_name).unwrap();