From c9984e4b840b86210696effaebec029acf422556 Mon Sep 17 00:00:00 2001
From: Alex Freska <alex.freska@gmail.com>
Date: Tue, 20 Feb 2024 10:34:02 -0500
Subject: [PATCH] chore: renterd jest config

---
 apps/renterd/jest.config.ts    |  1 +
 apps/renterd/jest.polyfills.js | 31 +++++++++++++++++++++++++++++++
 apps/renterd/mock/mock.tsx     | 31 +++++++++++++++++++++++++++++++
 3 files changed, 63 insertions(+)
 create mode 100644 apps/renterd/jest.polyfills.js
 create mode 100644 apps/renterd/mock/mock.tsx

diff --git a/apps/renterd/jest.config.ts b/apps/renterd/jest.config.ts
index 5c308af23..79a400a97 100644
--- a/apps/renterd/jest.config.ts
+++ b/apps/renterd/jest.config.ts
@@ -16,4 +16,5 @@ export default {
       'next/dist/build/jest/__mocks__/nextFontMock.js'
     ),
   },
+  setupFiles: ['./jest.polyfills.js'],
 }
diff --git a/apps/renterd/jest.polyfills.js b/apps/renterd/jest.polyfills.js
new file mode 100644
index 000000000..5cc3a0873
--- /dev/null
+++ b/apps/renterd/jest.polyfills.js
@@ -0,0 +1,31 @@
+// jest.polyfills.js
+/**
+ * @note The block below contains polyfills for Node.js globals
+ * required for Jest to function when running JSDOM tests.
+ * These HAVE to be require's and HAVE to be in this exact
+ * order, since "undici" depends on the "TextEncoder" global API.
+ *
+ * Consider migrating to a more modern test runner if
+ * you don't want to deal with this.
+ */
+
+const { TextDecoder, TextEncoder, ReadableStream } = require('node:util')
+
+Object.defineProperties(globalThis, {
+  TextDecoder: { value: TextDecoder },
+  TextEncoder: { value: TextEncoder },
+  ReadableStream: { value: ReadableStream },
+})
+
+const { Blob, File } = require('node:buffer')
+const { fetch, Headers, FormData, Request, Response } = require('undici')
+
+Object.defineProperties(globalThis, {
+  fetch: { value: fetch, writable: true },
+  Blob: { value: Blob },
+  File: { value: File },
+  Headers: { value: Headers },
+  FormData: { value: FormData },
+  Request: { value: Request },
+  Response: { value: Response },
+})
diff --git a/apps/renterd/mock/mock.tsx b/apps/renterd/mock/mock.tsx
new file mode 100644
index 000000000..90bef6e72
--- /dev/null
+++ b/apps/renterd/mock/mock.tsx
@@ -0,0 +1,31 @@
+import { SetupServer } from 'msw/node'
+import { HttpResponse, http } from 'msw'
+import { Bucket } from '@siafoundation/react-renterd'
+
+export function mockApiBusBuckets(server: SetupServer) {
+  server.use(
+    http.get('/api/bus/buckets', () => {
+      return HttpResponse.json([
+        {
+          name: 'foo',
+          policy: {
+            publicReadAccess: true,
+          },
+        },
+      ] as Bucket[])
+    })
+  )
+}
+
+export function mockMatchMedia() {
+  window.matchMedia = jest.fn().mockImplementation((query) => ({
+    matches: false,
+    media: query,
+    onchange: null,
+    addListener: jest.fn(),
+    removeListener: jest.fn(),
+    addEventListener: jest.fn(),
+    removeEventListener: jest.fn(),
+    dispatchEvent: jest.fn(),
+  }))
+}