test: updating unit test to cover undefined case (aws-amplify#1392)

dpilch · Feb 23, 2022 · 1f5e696 · 1f5e696
1 parent b390fdc
commit 1f5e696
Showing 1 changed file with 13 additions and 0 deletions.
diff --git a/packages/react/src/hooks/__tests__/useDeprecationWarning.test.tsx b/packages/react/src/hooks/__tests__/useDeprecationWarning.test.tsx
@@ -29,4 +29,17 @@ describe('useDeprecationWarning', () => {
     expect(console.warn).toHaveBeenCalledTimes(0);
     expect(console.warn).not.toHaveBeenCalledWith(message);
   });
+
+  it('should not throw reference error if process is not defined', async () => {
+    const message = 'This component is deprecated, use X instead';
+
+    const originalProcess = global.process;
+    delete global.process;
+
+    renderHook(() => useDeprecationWarning({ message }));
+    expect(console.warn).toHaveBeenCalledTimes(1);
+    expect(console.warn).toHaveBeenCalledWith(message);
+
+    global.process = originalProcess;
+  });
 });