added basic test coverage for find_diffs

tests/test_udiff.py

@@ -1,43 +1,73 @@
 import unittest
-from unittest.mock import MagicMock, patch
-from pathlib import Path
-from aider.coders.udiff_coder import UnifiedDiffCoder, do_replace, apply_hunk, find_diffs
-from aider.io import InputOutput
+
+from aider.coders.udiff_coder import find_diffs
+from aider.dump import dump  # noqa: F401
+
 
 class TestUnifiedDiffCoder(unittest.TestCase):
-    def setUp(self):
-        self.coder = UnifiedDiffCoder(io=InputOutput())
-
-    def test_do_replace_new_file(self):
-        # Test do_replace when it should create a new file
-        hunk = [
-            "--- /dev/null",
-            "+++ newfile.txt",
-            "@@ -0,0 +1 @@",
-            "+New content\n"
-        ]
-        result = do_replace('newfile.txt', None, hunk)
-        self.assertEqual(result, 'New content\n')
-
-    def test_apply_hunk_with_changes(self):
-        # Test apply_hunk with actual changes
-        content = "Original line 1\nOriginal line 2\n"
-        hunk = [
-            "@@ -1,2 +1,2 @@",
-            " Original line 1",
-            "-Original line 2",
-            "+Modified line 2"
-        ]
-        result = apply_hunk(content, hunk)
-        self.assertEqual(result, "Original line 1\nModified line 2\n")
-
     def test_find_diffs_single_hunk(self):
         # Test find_diffs with a single hunk
-        content = "```diff\n--- a/file.txt\n+++ b/file.txt\n@@ -1,2 +1,2 @@\n-Original\n+Modified\n```\n"
-        result = find_diffs(content)
-        self.assertEqual(len(result), 1)
-        self.assertEqual(result[0][0], 'b/file.txt')
-        self.assertEqual(result[0][1], ['@@ -1,2 +1,2 @@\n', '-Original\n', '+Modified\n'])
+        content = """
+Some text...
 
-if __name__ == '__main__':
+```diff
+--- file.txt
++++ file.txt
+@@ ... @@
+-Original
++Modified
+```
+"""
+        edits = find_diffs(content)
+        dump(edits)
+        self.assertEqual(len(edits), 1)
+
+        edit = edits[0]
+        self.assertEqual(edit[0], "file.txt")
+        self.assertEqual(edit[1], ["-Original\n", "+Modified\n"])
+
+    def test_find_diffs_dev_null(self):
+        # Test find_diffs with a single hunk
+        content = """
+Some text...
+
+```diff
+--- /dev/null
++++ file.txt
+@@ ... @@
+-Original
++Modified
+```
+"""
+        edits = find_diffs(content)
+        dump(edits)
+        self.assertEqual(len(edits), 1)
+
+        edit = edits[0]
+        self.assertEqual(edit[0], "file.txt")
+        self.assertEqual(edit[1], ["-Original\n", "+Modified\n"])
+
+    def test_find_diffs_dirname_with_spaces(self):
+        # Test find_diffs with a single hunk
+        content = """
+Some text...
+
+```diff
+--- dir name with spaces/file.txt
++++ dir name with spaces/file.txt
+@@ ... @@
+-Original
++Modified
+```
+"""
+        edits = find_diffs(content)
+        dump(edits)
+        self.assertEqual(len(edits), 1)
+
+        edit = edits[0]
+        self.assertEqual(edit[0], "dir name with spaces/file.txt")
+        self.assertEqual(edit[1], ["-Original\n", "+Modified\n"])
+
+
+if __name__ == "__main__":
     unittest.main()