Add mdx to node-file-trace test

crates/turbopack/tests/node-file-trace.rs

@@ -110,6 +110,7 @@ static ALLOC: turbo_malloc::TurboMalloc = turbo_malloc::TurboMalloc;
 #[case::mailgun("integration/mailgun.js")]
 #[case::mariadb("integration/mariadb.js")]
 #[case::memcached("integration/memcached.js")]
+#[case::mdx("integration/mdx/index.js")]
 #[case::mongoose("integration/mongoose.js")]
 #[case::mysql("integration/mysql.js")]
 #[case::npm("integration/npm.js")]

crates/turbopack/tests/node-file-trace/integration/mdx/index.js

@@ -1 +1,14 @@
-import Example from "./example.mdx";
+const moduleAlias = require("module-alias");
+const os = require("os");
+
+require("./empty");
+
+moduleAlias.addAlias("./example.mdx", __dirname + "/empty.js");
+
+const Example = require("./example.mdx");
+
+const { existsSync } = eval("require")("fs");
+
+if (__dirname.startsWith(os.tmpdir()) && existsSync("./snowfall.jsx")) {
+  throw new Error("snowfall.jsx should not exist");
+}

crates/turbopack/tests/node-file-trace/package.json

@@ -68,6 +68,7 @@
     "mailgun": "^0.5.0",
     "mariadb": "^2.0.5",
     "memcached": "^2.2.2",
+    "module-alias": "^2.2.2",
     "mongoose": "^5.7.5",
     "mysql": "^2.17.1",
     "npm": "^6.14.6",