3 files changed, 58 insertions, 1 deletions
diff --git a/cli/tests/testdata/workers/env_read_check_worker.js b/cli/tests/testdata/workers/env_read_check_worker.js
new file mode 100644
index 000000000..72ad31df2
--- /dev/null
+++ b/cli/tests/testdata/workers/env_read_check_worker.js
@@ -0,0 +1,14 @@
+onmessage = async ({ data }) => {
+  const permissions = [];
+  for (const name of data.names) {
+    const { state } = await Deno.permissions.query({
+      name: "env",
+      variable: name,
+    });
+    permissions.push(state === "granted");
+  }
+
+  postMessage({
+    permissions,
+  });
+};
diff --git a/cli/tests/unit/worker_permissions_test.ts b/cli/tests/unit/worker_permissions_test.ts
new file mode 100644
index 000000000..35cb2d04d
--- /dev/null
+++ b/cli/tests/unit/worker_permissions_test.ts
@@ -0,0 +1,43 @@
+// Copyright 2018-2021 the Deno authors. All rights reserved. MIT license.
+import { assertEquals, deferred, unitTest } from "./test_util.ts";
+
+unitTest(
+  { permissions: { env: true, read: true } },
+  async function workerEnvArrayPermissions() {
+    const promise = deferred<boolean[]>();
+
+    const worker = new Worker(
+      new URL(
+        "../testdata/workers/env_read_check_worker.js",
+        import.meta.url,
+      ).href,
+      {
+        type: "module",
+        deno: {
+          namespace: true,
+          permissions: {
+            env: ["test", "OTHER"],
+          },
+        },
+      },
+    );
+
+    worker.onmessage = ({ data }) => {
+      promise.resolve(data.permissions);
+    };
+
+    worker.postMessage({
+      names: ["test", "TEST", "asdf", "OTHER"],
+    });
+
+    const permissions = await promise;
+    worker.terminate();
+
+    if (Deno.build.os === "windows") {
+      // windows ignores case
+      assertEquals(permissions, [true, true, false, true]);
+    } else {
+      assertEquals(permissions, [true, false, false, true]);
+    }
+  },
+);
diff --git a/cli/tests/unit/worker_types.ts b/cli/tests/unit/worker_types.ts
index 0fd2c3248..0f99e15df 100644
--- a/cli/tests/unit/worker_types.ts
+++ b/cli/tests/unit/worker_types.ts
@@ -5,7 +5,7 @@ unitTest(
   { permissions: { read: true } },
   function utimeSyncFileSuccess() {
     const w = new Worker(
-      new URL("../workers/worker_types.ts", import.meta.url).href,
+      new URL("../testdata/workers/worker_types.ts", import.meta.url).href,
       { type: "module" },
     );
     assert(w);