diff --git a/tests/test_wholefile.py b/tests/test_wholefile.py
index 0237515cf..7f2dfe385 100644
--- a/tests/test_wholefile.py
+++ b/tests/test_wholefile.py
@@ -3,8 +3,10 @@ import shutil
 import tempfile
 import unittest
 from pathlib import Path
+from unittest.mock import MagicMock, patch
 
 from aider import models
+from aider.coders import Coder
 from aider.coders.wholefile_coder import WholeFileCoder
 from aider.io import InputOutput
 
@@ -15,10 +17,16 @@ class TestWholeFileCoder(unittest.TestCase):
         self.tempdir = tempfile.mkdtemp()
         os.chdir(self.tempdir)
 
+        self.patcher = patch("aider.coders.base_coder.check_model_availability")
+        self.mock_check = self.patcher.start()
+        self.mock_check.return_value = True
+
     def tearDown(self):
         os.chdir(self.original_cwd)
         shutil.rmtree(self.tempdir, ignore_errors=True)
 
+        self.patcher.stop()
+
     def test_update_files(self):
         # Create a sample file in the temporary directory
         sample_file = "sample.txt"
@@ -198,6 +206,45 @@ after b
         self.assertEqual(fname_a.read_text(), "after a\n")
         self.assertEqual(fname_b.read_text(), "after b\n")
 
+    def test_full_edit(self):
+        # Create a few temporary files
+        _, file1 = tempfile.mkstemp()
+
+        with open(file1, "w", encoding="utf-8") as f:
+            f.write("one\ntwo\nthree\n")
+
+        files = [file1]
+
+        # Initialize the Coder object with the mocked IO and mocked repo
+        coder = Coder.create(
+            models.GPT4, "whole", io=InputOutput(), openai_api_key="fake_key", fnames=files
+        )
+
+        # no trailing newline so the response content below doesn't add ANOTHER newline
+        new_content = "new\ntwo\nthree"
+
+        def mock_send(*args, **kwargs):
+            coder.partial_response_content = f"""
+Do this:
+
+{Path(file1).name}
+```
+{new_content}
+```
+
+"""
+            coder.partial_response_function_call = dict()
+
+        coder.send = MagicMock(side_effect=mock_send)
+
+        # Call the run method with a message
+        coder.run(with_message="hi")
+
+        content = open(file1, encoding="utf-8").read()
+
+        # check for one trailing newline
+        self.assertEqual(content, new_content + "\n")
+
 
 if __name__ == "__main__":
     unittest.main()