1 files changed, 259 insertions, 0 deletions
diff --git a/tests/testdata/compile/npm_fs/main.ts b/tests/testdata/compile/npm_fs/main.ts
new file mode 100644
index 000000000..6361610a9
--- /dev/null
+++ b/tests/testdata/compile/npm_fs/main.ts
@@ -0,0 +1,259 @@
+import { url } from "npm:@denotest/esm-basic";
+import { fileURLToPath } from "node:url";
+import path from "node:path";
+import assert from "node:assert/strict";
+
+// will be at node_modules\.deno\@denotest+esm-basic@1.0.0\node_modules\@denotest\esm-basic
+const dirPath = path.dirname(fileURLToPath(url));
+const nodeModulesPath = path.join(dirPath, "../../../../../");
+const packageJsonText = `{
+  "name": "@denotest/esm-basic",
+  "version": "1.0.0",
+  "type": "module",
+  "main": "main.mjs",
+  "types": "main.d.mts"
+}
+`;
+const vfsPackageJsonPath = path.join(dirPath, "package.json");
+
+// reading a file in vfs
+{
+  const text = Deno.readTextFileSync(vfsPackageJsonPath);
+  assert.equal(text, packageJsonText);
+}
+
+// reading a file async in vfs
+{
+  const text = await Deno.readTextFile(vfsPackageJsonPath);
+  assert.equal(text, packageJsonText);
+}
+
+// copy file from vfs to real fs
+{
+  Deno.copyFileSync(vfsPackageJsonPath, "package.json");
+  assert.equal(Deno.readTextFileSync("package.json"), packageJsonText);
+}
+
+// copy to vfs
+assert.throws(
+  () => Deno.copyFileSync("package.json", vfsPackageJsonPath),
+  Deno.errors.NotSupported,
+);
+Deno.removeSync("package.json");
+
+// copy file async from vfs to real fs
+{
+  await Deno.copyFile(vfsPackageJsonPath, "package.json");
+  assert.equal(Deno.readTextFileSync("package.json"), packageJsonText);
+}
+
+// copy to vfs async
+await assert.rejects(
+  () => Deno.copyFile("package.json", vfsPackageJsonPath),
+  Deno.errors.NotSupported,
+);
+Deno.removeSync("package.json");
+
+// open
+{
+  const file = Deno.openSync(vfsPackageJsonPath);
+  const bytes = new Uint8Array(10);
+  file.seekSync(2, Deno.SeekMode.Start);
+  assert.equal(file.readSync(bytes), 10);
+  const text = new TextDecoder().decode(bytes);
+  assert.equal(text, packageJsonText.slice(2, 12));
+}
+{
+  const file = await Deno.open(vfsPackageJsonPath);
+  const bytes = new Uint8Array(10);
+  await file.seek(2, Deno.SeekMode.Start);
+  assert.equal(await file.read(bytes), 10);
+  const text = new TextDecoder().decode(bytes);
+  assert.equal(text, packageJsonText.slice(2, 12));
+}
+
+// chdir
+assert.throws(() => Deno.chdir(dirPath), Deno.errors.NotSupported);
+
+// mkdir
+assert.throws(
+  () => Deno.mkdirSync(path.join(dirPath, "subDir")),
+  Deno.errors.NotSupported,
+);
+await assert.rejects(
+  () => Deno.mkdir(path.join(dirPath, "subDir")),
+  Deno.errors.NotSupported,
+);
+
+// chmod
+assert.throws(
+  () => Deno.chmodSync(vfsPackageJsonPath, 0o777),
+  Deno.errors.NotSupported,
+);
+await assert.rejects(
+  () => Deno.chmod(vfsPackageJsonPath, 0o777),
+  Deno.errors.NotSupported,
+);
+
+// chown
+assert.throws(
+  () => Deno.chownSync(vfsPackageJsonPath, 1000, 1000),
+  Deno.errors.NotSupported,
+);
+await assert.rejects(
+  () => Deno.chown(vfsPackageJsonPath, 1000, 1000),
+  Deno.errors.NotSupported,
+);
+
+// remove
+assert.throws(
+  () => Deno.removeSync(vfsPackageJsonPath),
+  Deno.errors.NotSupported,
+);
+await assert.rejects(
+  () => Deno.remove(vfsPackageJsonPath),
+  Deno.errors.NotSupported,
+);
+
+// stat
+{
+  const result = Deno.statSync(vfsPackageJsonPath);
+  assert(result.isFile);
+}
+{
+  const result = await Deno.stat(vfsPackageJsonPath);
+  assert(result.isFile);
+}
+
+// lstat
+{
+  const result = Deno.lstatSync(
+    path.join(nodeModulesPath, "@denotest", "esm-basic"),
+  );
+  assert(result.isSymlink);
+}
+{
+  const result = await Deno.lstat(
+    path.join(nodeModulesPath, "@denotest", "esm-basic"),
+  );
+  assert(result.isSymlink);
+}
+
+// realpath
+{
+  const result = Deno.realPathSync(
+    path.join(nodeModulesPath, "@denotest", "esm-basic", "package.json"),
+  );
+  assert.equal(result, vfsPackageJsonPath);
+}
+{
+  const result = await Deno.realPath(
+    path.join(nodeModulesPath, "@denotest", "esm-basic", "package.json"),
+  );
+  assert.equal(result, vfsPackageJsonPath);
+}
+
+// read dir
+const readDirNames = ["main.d.mts", "main.mjs", "other.mjs", "package.json"];
+{
+  const names = Array.from(Deno.readDirSync(dirPath))
+    .map((e) => e.name);
+  assert.deepEqual(readDirNames, names);
+}
+{
+  const names = [];
+  for await (const entry of Deno.readDir(dirPath)) {
+    names.push(entry.name);
+  }
+  assert.deepEqual(readDirNames, names);
+}
+
+// rename
+assert.throws(
+  () => Deno.renameSync("package.json", vfsPackageJsonPath),
+  Deno.errors.NotSupported,
+);
+assert.throws(
+  () => Deno.renameSync(vfsPackageJsonPath, "package.json"),
+  Deno.errors.NotSupported,
+);
+await assert.rejects(
+  () => Deno.rename("package.json", vfsPackageJsonPath),
+  Deno.errors.NotSupported,
+);
+await assert.rejects(
+  () => Deno.rename(vfsPackageJsonPath, "package.json"),
+  Deno.errors.NotSupported,
+);
+
+// link
+assert.throws(
+  () => Deno.linkSync("package.json", vfsPackageJsonPath),
+  Deno.errors.NotSupported,
+);
+assert.throws(
+  () => Deno.linkSync(vfsPackageJsonPath, "package.json"),
+  Deno.errors.NotSupported,
+);
+await assert.rejects(
+  () => Deno.link("package.json", vfsPackageJsonPath),
+  Deno.errors.NotSupported,
+);
+await assert.rejects(
+  () => Deno.link(vfsPackageJsonPath, "package.json"),
+  Deno.errors.NotSupported,
+);
+
+// symlink
+assert.throws(
+  () => Deno.symlinkSync("package.json", vfsPackageJsonPath),
+  Deno.errors.NotSupported,
+);
+assert.throws(
+  () => Deno.symlinkSync(vfsPackageJsonPath, "package.json"),
+  Deno.errors.NotSupported,
+);
+await assert.rejects(
+  () => Deno.symlink("package.json", vfsPackageJsonPath),
+  Deno.errors.NotSupported,
+);
+await assert.rejects(
+  () => Deno.symlink(vfsPackageJsonPath, "package.json"),
+  Deno.errors.NotSupported,
+);
+
+// read link
+{
+  const result = Deno.readLinkSync(
+    path.join(nodeModulesPath, "@denotest", "esm-basic"),
+  );
+  assert.equal(result, dirPath);
+}
+{
+  const result = await Deno.readLink(
+    path.join(nodeModulesPath, "@denotest", "esm-basic"),
+  );
+  assert.equal(result, dirPath);
+}
+
+// truncate
+assert.throws(
+  () => Deno.truncateSync(vfsPackageJsonPath, 0),
+  Deno.errors.NotSupported,
+);
+await assert.rejects(
+  () => Deno.truncate(vfsPackageJsonPath, 0),
+  Deno.errors.NotSupported,
+);
+
+// utime
+assert.throws(
+  () => Deno.utimeSync(vfsPackageJsonPath, 0, 0),
+  Deno.errors.NotSupported,
+);
+await assert.rejects(
+  () => Deno.utime(vfsPackageJsonPath, 0, 0),
+  Deno.errors.NotSupported,
+);
+
+console.log("success");