1 files changed, 23 insertions, 0 deletions
diff --git a/src/tests/pages/CallbackPage.test.tsx b/src/tests/pages/CallbackPage.test.tsx
new file mode 100644
index 0000000..e878577
--- /dev/null
+++ b/src/tests/pages/CallbackPage.test.tsx
@@ -0,0 +1,23 @@
+import React from 'react';
+import { render } from '@testing-library/react';
+
+import CallbackPage from '../../pages/CallbackPage';
+
+test('callback page renders provided code', () => {
+    global.opener = {
+        postMessage: jest.fn()
+    }
+
+    let mockLocation = new URL("https://forms.pythondiscord.com/authorize?code=abcdef");
+
+    Object.defineProperty(global, "location", {value: mockLocation})
+
+    let comp = <CallbackPage />;
+
+    const { getByText } = render(comp);
+
+
+    let codeText = getByText(/Code is abcdef/);
+    expect(codeText).toBeInTheDocument();
+    expect(global.opener.postMessage).toBeCalledTimes(1)
+});