fix(unstable/worker): ensure import permissions are passed (#26101)

We only had integration tests for this and not an integration test.

Closes #26074

runtime/js/10_permissions.js

@@ -269,7 +269,13 @@ function serializePermissions(permissions) {
   if (typeof permissions == "object" && permissions != null) {
     const serializedPermissions = { __proto__: null };
     for (
-      const key of new SafeArrayIterator(["read", "write", "run", "ffi"])
+      const key of new SafeArrayIterator([
+        "read",
+        "write",
+        "run",
+        "ffi",
+        "import",
+      ])
     ) {
       if (ArrayIsArray(permissions[key])) {
         serializedPermissions[key] = ArrayPrototypeMap(

tests/specs/permission/allow_import_worker/__test__.jsonc

@@ -0,0 +1,13 @@
+{
+  "tests": {
+    "allowed": {
+      "args": "run -A --unstable-worker-options --quiet main.ts",
+      "output": "1\n"
+    },
+    "denied": {
+      "args": "run -A --unstable-worker-options --quiet main_denied.ts",
+      "output": "denied.out",
+      "exitCode": 1
+    }
+  }
+}

tests/specs/permission/allow_import_worker/denied.out

@@ -0,0 +1,7 @@
+error: Uncaught (in worker "") (in promise) TypeError: JSR package manifest for '@std/assert' failed to load. Requires import access to "127.0.0.1:4250", run again with the --allow-import flag
+await import(specifier);
+^
+    at async file:///[WILDLINE]
+error: Uncaught (in promise) Error: Unhandled error in child worker.
+    at [WILDLINE]
+    at [WILDLINE]

tests/specs/permission/allow_import_worker/main.ts

@@ -0,0 +1,8 @@
+new Worker(import.meta.resolve("./worker.ts"), {
+  type: "module",
+  deno: {
+    permissions: {
+      import: ["127.0.0.1:4250"],
+    },
+  },
+});

tests/specs/permission/allow_import_worker/main_denied.ts

@@ -0,0 +1,8 @@
+new Worker(import.meta.resolve("./worker.ts"), {
+  type: "module",
+  deno: {
+    permissions: {
+      import: [],
+    },
+  },
+});

tests/specs/permission/allow_import_worker/worker.ts

@@ -0,0 +1,4 @@
+const specifier = "jsr:@std/assert/assert";
+await import(specifier);
+console.log(1);
+close();