BIG BIG BIG BIG BIG UPDATES

Co-authored-by: Copilot <[email protected]>

backend/tests/services/test_python_lsp.py

@@ -0,0 +1,30 @@
+from services.editor import python_lsp
+
+
+def test_encode_message():
+    message = '{"jsonrpc":"2.0"}'
+
+    payload = python_lsp.encode_message(message)
+
+    assert payload.endswith(message.encode("utf-8"))
+    assert payload.startswith(
+        f"Content-Length: {len(message.encode('utf-8'))}\r\n\r\n".encode("ascii")
+    )
+
+
+def test_frame_buffer_reads_split_messages():
+    buffer = python_lsp.LspFrameBuffer()
+    first = python_lsp.encode_message('{"id":1}')
+    second = python_lsp.encode_message('{"id":2}')
+
+    parts = [
+        first[:12],
+        first[12:] + second[:10],
+        second[10:],
+    ]
+
+    messages: list[str] = []
+    for part in parts:
+        messages.extend(buffer.feed(part))
+
+    assert messages == ['{"id":1}', '{"id":2}']