test: add test case.

uiwjs · Oct 4, 2023 · e3fb47e · e3fb47e
1 parent 3b58c49
commit e3fb47e
Showing 1 changed file with 13 additions and 1 deletion.
diff --git a/test/main.test.js b/test/main.test.js
@@ -1,5 +1,17 @@
 import copyTextToClipboard from '../src/main';
 
+it('should handle document not available', () => {
+  const text = 'Hello, world!';
+  const mockCb = jest.fn();
+  // Create a spy to replace the document object
+  const documentSpy = jest.spyOn(global, 'document', 'get');
+  documentSpy.mockImplementation(() => undefined);
+  copyTextToClipboard(text, mockCb);
+  expect(mockCb).not.toHaveBeenCalled();
+  // Restore the original document object
+  documentSpy.mockRestore();
+});
+
 test('copyTextToClipboard should copy the text to the clipboard and return true', () => {
   const text = 'Hello, world!';
   const copied = jest.fn();
@@ -66,4 +78,4 @@ it('should copy text to clipboard', () => {
   expect(document.execCommand).toHaveBeenCalledWith('copy');
   expect(document.body.removeChild).toHaveBeenCalled();
   expect(mockCb).toHaveBeenCalledWith(true);
-});
+});