chore: fix flaky test_include_dir_recursive (#19291)

Maybe fixes this on main.

cli/standalone/binary.rs

@@ -536,7 +536,7 @@ impl<'a> DenoCompileBinaryWriter<'a> {
 
   fn build_vfs(&self) -> Result<VfsBuilder, AnyError> {
     if let Some(node_modules_path) = self.npm_resolver.node_modules_path() {
-      let mut builder = VfsBuilder::new(node_modules_path.clone());
+      let mut builder = VfsBuilder::new(node_modules_path.clone())?;
       builder.add_dir_recursive(&node_modules_path)?;
       Ok(builder)
     } else {
@@ -544,7 +544,7 @@ impl<'a> DenoCompileBinaryWriter<'a> {
       // but also don't make this dependent on the registry url
       let registry_url = self.npm_api.base_url();
       let root_path = self.npm_cache.registry_folder(registry_url);
-      let mut builder = VfsBuilder::new(root_path);
+      let mut builder = VfsBuilder::new(root_path)?;
       for package in self
         .npm_resolution
         .all_system_packages(&self.npm_system_info)

cli/standalone/virtual_fs.rs

@@ -27,6 +27,7 @@ use serde::Serialize;
 use thiserror::Error;
 
 use crate::util;
+use crate::util::fs::canonicalize_path;
 
 #[derive(Error, Debug)]
 #[error(
@@ -46,9 +47,10 @@ pub struct VfsBuilder {
 }
 
 impl VfsBuilder {
-  pub fn new(root_path: PathBuf) -> Self {
+  pub fn new(root_path: PathBuf) -> Result<Self, AnyError> {
+    let root_path = canonicalize_path(&root_path)?;
     log::debug!("Building vfs with root '{}'", root_path.display());
-    Self {
+    Ok(Self {
       root_dir: VirtualDirectory {
         name: root_path
           .file_stem()
@@ -61,7 +63,7 @@ impl VfsBuilder {
       files: Vec::new(),
       current_offset: 0,
       file_offsets: Default::default(),
-    }
+    })
   }
 
   pub fn set_root_dir_name(&mut self, name: String) {
@@ -69,6 +71,14 @@ impl VfsBuilder {
   }
 
   pub fn add_dir_recursive(&mut self, path: &Path) -> Result<(), AnyError> {
+    let path = canonicalize_path(path)?;
+    self.add_dir_recursive_internal(&path)
+  }
+
+  fn add_dir_recursive_internal(
+    &mut self,
+    path: &Path,
+  ) -> Result<(), AnyError> {
     self.add_dir(path)?;
     let read_dir = std::fs::read_dir(path)
       .with_context(|| format!("Reading {}", path.display()))?;
@@ -79,7 +89,7 @@ impl VfsBuilder {
       let path = entry.path();
 
       if file_type.is_dir() {
-        self.add_dir_recursive(&path)?;
+        self.add_dir_recursive_internal(&path)?;
       } else if file_type.is_file() {
         let file_bytes = std::fs::read(&path)
           .with_context(|| format!("Reading {}", path.display()))?;
@@ -115,7 +125,7 @@ impl VfsBuilder {
     Ok(())
   }
 
-  pub fn add_dir(
+  fn add_dir(
     &mut self,
     path: &Path,
   ) -> Result<&mut VirtualDirectory, StripRootError> {
@@ -152,11 +162,7 @@ impl VfsBuilder {
     Ok(current_dir)
   }
 
-  pub fn add_file(
-    &mut self,
-    path: &Path,
-    data: Vec<u8>,
-  ) -> Result<(), AnyError> {
+  fn add_file(&mut self, path: &Path, data: Vec<u8>) -> Result<(), AnyError> {
     log::debug!("Adding file '{}'", path.display());
     let checksum = util::checksum::gen(&[&data]);
     let offset = if let Some(offset) = self.file_offsets.get(&checksum) {
@@ -193,7 +199,7 @@ impl VfsBuilder {
     Ok(())
   }
 
-  pub fn add_symlink(
+  fn add_symlink(
     &mut self,
     path: &Path,
     target: &Path,
@@ -833,6 +839,7 @@ mod test {
 
   use super::*;
 
+  #[track_caller]
   fn read_file(vfs: &FileBackedVfs, path: &Path) -> String {
     let file = vfs.file_entry(path).unwrap();
     String::from_utf8(vfs.read_file_all(file).unwrap()).unwrap()
@@ -842,7 +849,8 @@ mod test {
   fn builds_and_uses_virtual_fs() {
     let temp_dir = TempDir::new();
     let src_path = temp_dir.path().join("src");
-    let mut builder = VfsBuilder::new(src_path.clone());
+    temp_dir.create_dir_all(&src_path);
+    let mut builder = VfsBuilder::new(src_path.clone()).unwrap();
     builder
       .add_file(&src_path.join("a.txt"), "data".into())
       .unwrap();
@@ -923,7 +931,7 @@ mod test {
 
     // build and create the virtual fs
     let src_path = temp_dir.path().join("src");
-    let mut builder = VfsBuilder::new(src_path.clone());
+    let mut builder = VfsBuilder::new(src_path.clone()).unwrap();
     builder.add_dir_recursive(&src_path).unwrap();
     let (dest_path, virtual_fs) = into_virtual_fs(builder, &temp_dir);
 
@@ -987,7 +995,8 @@ mod test {
   fn circular_symlink() {
     let temp_dir = TempDir::new();
     let src_path = temp_dir.path().join("src");
-    let mut builder = VfsBuilder::new(src_path.clone());
+    temp_dir.create_dir_all(&src_path);
+    let mut builder = VfsBuilder::new(src_path.clone()).unwrap();
     builder
       .add_symlink(&src_path.join("a.txt"), &src_path.join("b.txt"))
       .unwrap();
@@ -1020,7 +1029,7 @@ mod test {
   async fn test_open_file() {
     let temp_dir = TempDir::new();
     let temp_path = temp_dir.path();
-    let mut builder = VfsBuilder::new(temp_path.to_path_buf());
+    let mut builder = VfsBuilder::new(temp_path.to_path_buf()).unwrap();
     builder
       .add_file(
         &temp_path.join("a.txt"),