feat(ui): Implement manual skeleton context injection

tests/test_skeleton_injection.py

@@ -0,0 +1,63 @@
+import os
+import pytest
+from src.app_controller import AppController
+from pathlib import Path
+
+def test_skeleton_injection_state_variables():
+ ctrl = AppController()
+ assert hasattr(ctrl, "_inject_file_path")
+ assert hasattr(ctrl, "_inject_mode")
+ assert hasattr(ctrl, "_inject_preview")
+ assert hasattr(ctrl, "_show_inject_modal")
+ assert ctrl._inject_mode == "skeleton"
+ assert ctrl._inject_preview == ""
+ assert ctrl._show_inject_modal is False
+
+def test_update_inject_preview_skeleton(tmp_path):
+ ctrl = AppController()
+ mock_file = tmp_path / "mock.py"
+ # Use 1-space indent in the mock content too for consistency
+ content = '"""Module docstring"""\ndef foo():\n """Foo docstring"""\n print("hello")\n\nclass Bar:\n """Bar docstring"""\n def baz(self):\n  pass\n'
+ mock_file.write_text(content)
+ 
+ ctrl._inject_file_path = str(mock_file)
+ ctrl._inject_mode = "skeleton"
+ ctrl._update_inject_preview()
+ 
+ # Skeleton should contain signatures and docstrings but not bodies
+ assert "def foo():" in ctrl._inject_preview
+ assert "class Bar:" in ctrl._inject_preview
+ assert 'print("hello")' not in ctrl._inject_preview
+ assert "pass" not in ctrl._inject_preview
+ assert '"""Foo docstring"""' in ctrl._inject_preview
+
+def test_update_inject_preview_full(tmp_path):
+ ctrl = AppController()
+ mock_file = tmp_path / "mock.py"
+ content = "line 1\n" * 10
+ mock_file.write_text(content)
+ 
+ ctrl._inject_file_path = str(mock_file)
+ ctrl._inject_mode = "full"
+ ctrl._update_inject_preview()
+ 
+ assert ctrl._inject_preview.strip() == content.strip()
+
+def test_update_inject_preview_truncation(tmp_path):
+ ctrl = AppController()
+ mock_file = tmp_path / "large.py"
+ content = "\n".join([f"line {i}" for i in range(1000)])
+ mock_file.write_text(content)
+ 
+ ctrl._inject_file_path = str(mock_file)
+ ctrl._inject_mode = "full"
+ ctrl._update_inject_preview()
+ 
+ lines = ctrl._inject_preview.splitlines()
+ # It should be 500 lines + 1 for truncated message
+ assert len(lines) == 501
+ assert "... (truncated)" in lines[-1]
+ # The 500th line is "line 499" (starting from 0)
+ assert "line 499" in lines[499]
+ # The 501st line should be "line 500", but it should be replaced by truncation msg
+ assert "line 500" not in ctrl._inject_preview