Fix windows tests

Author: e-nomem

src/module_writer.rs

@@ -213,16 +213,22 @@ impl ModuleWriter for PathWriter {
                 .with_context(|| format!("Failed to create directory {}", parent_dir.display()))?;
         }
 
-        let mut options = OpenOptions::new();
-        options.create(true).write(true).truncate(true);
-        #[cfg(unix)]
-        {
-            options.mode(default_permission(executable));
+        let mut file = {
+            #[cfg(target_family = "unix")]
+            {
+                OpenOptions::new()
+                    .create(true)
+                    .write(true)
+                    .truncate(true)
+                    .mode(default_permission(executable))
+                    .open(&path)
+            }
+            #[cfg(target_os = "windows")]
+            {
+                File::create(&path)
+            }
         }
-
-        let mut file = options
-            .open(&path)
-            .with_context(|| format!("Failed to create a file at {}", path.display()))?;
+        .with_context(|| format!("Failed to create a file at {}", path.display()))?;
         let mut writer = StreamSha256::new(&mut file);
 
         io::copy(&mut data, &mut writer)