From 46a4bd5178f5aed22041422c431b5ab6f697865d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Bartek=20Iwa=C5=84czuk?= <biwanczuk@gmail.com>
Date: Wed, 27 Sep 2023 02:21:06 +0200
Subject: feat(unstable): add `Deno.jupyter.broadcast` API (#20656)

Closes https://github.com/denoland/deno/issues/20591

---------

Co-authored-by: Kyle Kelley <rgbkrk@gmail.com>
---
 cli/tests/integration/js_unit_tests.rs            |  1 +
 cli/tests/testdata/jupyter/integration_test.ipynb | 51 ++++++++++++++++++++++-
 cli/tests/unit/jupyter_test.ts                    |  9 ++++
 3 files changed, 60 insertions(+), 1 deletion(-)
 create mode 100644 cli/tests/unit/jupyter_test.ts

(limited to 'cli/tests')

diff --git a/cli/tests/integration/js_unit_tests.rs b/cli/tests/integration/js_unit_tests.rs
index 4bb2ef73b..a13db02d7 100644
--- a/cli/tests/integration/js_unit_tests.rs
+++ b/cli/tests/integration/js_unit_tests.rs
@@ -45,6 +45,7 @@ util::unit_test_factory!(
     internals_test,
     intl_test,
     io_test,
+    jupyter_test,
     kv_test,
     kv_queue_test_no_db_close,
     kv_queue_undelivered_test,
diff --git a/cli/tests/testdata/jupyter/integration_test.ipynb b/cli/tests/testdata/jupyter/integration_test.ipynb
index e9347750d..1d48c8fc9 100644
--- a/cli/tests/testdata/jupyter/integration_test.ipynb
+++ b/cli/tests/testdata/jupyter/integration_test.ipynb
@@ -665,9 +665,58 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 1,
    "id": "8e93df23-06eb-414b-98d4-51fbebb53d1f",
    "metadata": {},
+   "outputs": [
+    {
+     "ename": "TypeError",
+     "evalue": "Cannot read properties of undefined (reading 'broadcast')",
+     "output_type": "error",
+     "traceback": [
+      "Stack trace:",
+      "TypeError: Cannot read properties of undefined (reading 'broadcast')",
+      "    at <anonymous>:2:20"
+     ]
+    }
+   ],
+   "source": [
+    "await Deno.jupyter.broadcast(\"display_data\", {\n",
+    "    data: { \"text/html\": \"<b>Processing.</b>\" },\n",
+    "    metadata: {},\n",
+    "    transient: { display_id: \"progress\" }\n",
+    "});\n",
+    "\n",
+    "await new Promise((resolve) => setTimeout(resolve, 500));\n",
+    "\n",
+    "await Deno.jupyter.broadcast(\"update_display_data\", {\n",
+    "    data: { \"text/html\": \"<b>Processing..</b>\" },\n",
+    "    metadata: {},\n",
+    "    transient: { display_id: \"progress\" }\n",
+    "});\n",
+    "\n",
+    "await new Promise((resolve) => setTimeout(resolve, 500));\n",
+    "\n",
+    "await Deno.jupyter.broadcast(\"update_display_data\", {\n",
+    "    data: { \"text/html\": \"<b>Processing...</b>\" },\n",
+    "    metadata: {},\n",
+    "    transient: { display_id: \"progress\" }\n",
+    "});\n",
+    "\n",
+    "await new Promise((resolve) => setTimeout(resolve, 500));\n",
+    "\n",
+    "await Deno.jupyter.broadcast(\"update_display_data\", {\n",
+    "    data: { \"text/html\": \"<b>Complete ✅</b>\" },\n",
+    "    metadata: {},\n",
+    "    transient: { display_id: \"progress\" }\n",
+    "});"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "0181f28e",
+   "metadata": {},
    "outputs": [],
    "source": []
   }
diff --git a/cli/tests/unit/jupyter_test.ts b/cli/tests/unit/jupyter_test.ts
new file mode 100644
index 000000000..40eaf4623
--- /dev/null
+++ b/cli/tests/unit/jupyter_test.ts
@@ -0,0 +1,9 @@
+// Copyright 2018-2023 the Deno authors. All rights reserved. MIT license.
+import { assertThrows } from "./test_util.ts";
+
+Deno.test("Deno.jupyter is not available", () => {
+  assertThrows(
+    () => Deno.jupyter,
+    "Deno.jupyter is only available in `deno jupyter` subcommand.",
+  );
+});
-- 
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