REAPER MCP Server

import pytest import pytest_asyncio from .test_utils import ( ensure_clean_project, create_track_with_verification, assert_response_contains, assert_response_success, extract_number_from_response ) @pytest.mark.asyncio async def test_track_send_creation(reaper_mcp_client): """Test creating sends between tracks""" # Ensure clean project state await ensure_clean_project(reaper_mcp_client) # Create source and destination tracks source_track_index = await create_track_with_verification(reaper_mcp_client, 0) dest_track_index = await create_track_with_verification(reaper_mcp_client, 1) # Name the tracks for clarity await reaper_mcp_client.call_tool( "set_track_name", {"track_index": source_track_index, "name": "Source Track"} ) await reaper_mcp_client.call_tool( "set_track_name", {"track_index": dest_track_index, "name": "Destination Track"} ) # Create send from source to destination track result = await reaper_mcp_client.call_tool( "create_track_send", {"source_track_index": source_track_index, "dest_track_index": dest_track_index} ) print(f"Create send result: {result}") assert_response_contains(result, "created send") assert_response_contains(result, "send index") # Check number of sends on source track result = await reaper_mcp_client.call_tool( "get_track_num_sends", {"track_index": source_track_index} ) print(f"Number of sends: {result}") # Extract number from response num_sends = extract_number_from_response(result.content[0].text, r'(\d+) sends?') or 0 assert num_sends == 1 @pytest.mark.asyncio async def test_track_send_volume(reaper_mcp_client): """Test setting and getting send volume""" # Ensure clean project state await ensure_clean_project(reaper_mcp_client) # Create tracks source_track_index = await create_track_with_verification(reaper_mcp_client, 0) dest_track_index = await create_track_with_verification(reaper_mcp_client, 1) await reaper_mcp_client.call_tool( "create_track_send", {"source_track_index": 0, "dest_track_index": 1} ) # Set send volume to 0.5 result = await reaper_mcp_client.call_tool( "set_track_send_volume", {"track_index": 0, "send_index": 0, "volume": 0.5} ) print(f"Set send volume result: {result}") assert "set send" in result.content[0].text.lower() assert "0.500" in result.content[0].text # Get send info result = await reaper_mcp_client.call_tool( "get_track_send_info", {"track_index": 0, "send_index": 0} ) print(f"Get send info result: {result}") assert "volume=0.5" in result.content[0].text # Set to different volume await reaper_mcp_client.call_tool( "set_track_send_volume", {"track_index": 0, "send_index": 0, "volume": 0.75} ) # Verify new volume result = await reaper_mcp_client.call_tool( "get_track_send_info", {"track_index": 0, "send_index": 0} ) assert "volume=0.75" in result.content[0].text @pytest.mark.asyncio async def test_multiple_sends(reaper_mcp_client): """Test creating multiple sends from one track""" # Create one source and three destination tracks for i in range(4): await reaper_mcp_client.call_tool( "insert_track", {"index": i, "use_defaults": True} ) # Create sends from track 0 to tracks 1, 2, and 3 for dest in range(1, 4): result = await reaper_mcp_client.call_tool( "create_track_send", {"source_track_index": 0, "dest_track_index": dest} ) print(f"Create send to track {dest}: {result}") assert "created send" in result.content[0].text.lower() # Check number of sends result = await reaper_mcp_client.call_tool( "get_track_num_sends", {"track_index": 0} ) assert "3 sends" in result.content[0].text # Set different volumes for each send volumes = [0.3, 0.5, 0.7] for i, vol in enumerate(volumes): await reaper_mcp_client.call_tool( "set_track_send_volume", {"track_index": 0, "send_index": i, "volume": vol} ) @pytest.mark.asyncio async def test_remove_send(reaper_mcp_client): """Test removing sends""" # Create tracks and multiple sends for i in range(3): await reaper_mcp_client.call_tool( "insert_track", {"index": i, "use_defaults": True} ) # Create two sends from track 0 await reaper_mcp_client.call_tool( "create_track_send", {"source_track_index": 0, "dest_track_index": 1} ) await reaper_mcp_client.call_tool( "create_track_send", {"source_track_index": 0, "dest_track_index": 2} ) # Verify 2 sends result = await reaper_mcp_client.call_tool( "get_track_num_sends", {"track_index": 0} ) assert "2 sends" in result.content[0].text # Remove first send (index 0) result = await reaper_mcp_client.call_tool( "remove_track_send", {"track_index": 0, "send_index": 0} ) print(f"Remove send result: {result}") assert "removed send" in result.content[0].text.lower() # Verify 1 send remaining result = await reaper_mcp_client.call_tool( "get_track_num_sends", {"track_index": 0} ) assert "1 sends" in result.content[0].text or "1 send" in result.content[0].text @pytest.mark.asyncio async def test_send_routing_chain(reaper_mcp_client): """Test creating a routing chain: Track 0 -> Track 1 -> Track 2""" # Create three tracks for i in range(3): await reaper_mcp_client.call_tool( "insert_track", {"index": i, "use_defaults": True} ) await reaper_mcp_client.call_tool( "set_track_name", {"track_index": i, "name": f"Track {i}"} ) # Create send chain result = await reaper_mcp_client.call_tool( "create_track_send", {"source_track_index": 0, "dest_track_index": 1} ) assert "created send" in result.content[0].text.lower() result = await reaper_mcp_client.call_tool( "create_track_send", {"source_track_index": 1, "dest_track_index": 2} ) assert "created send" in result.content[0].text.lower() # Verify sends for track in [0, 1]: result = await reaper_mcp_client.call_tool( "get_track_num_sends", {"track_index": track} ) assert "1 sends" in result.content[0].text or "1 send" in result.content[0].text @pytest.mark.asyncio async def test_send_error_handling(reaper_mcp_client): """Test error handling for send operations""" # Try to create send with non-existent tracks result = await reaper_mcp_client.call_tool( "create_track_send", {"source_track_index": 999, "dest_track_index": 0} ) assert "failed" in result.content[0].text.lower() # Create one track await reaper_mcp_client.call_tool( "insert_track", {"index": 0, "use_defaults": True} ) # Try to create send to non-existent destination result = await reaper_mcp_client.call_tool( "create_track_send", {"source_track_index": 0, "dest_track_index": 999} ) assert "failed" in result.content[0].text.lower() # Try to get send info for non-existent send result = await reaper_mcp_client.call_tool( "get_track_send_info", {"track_index": 0, "send_index": 999} ) assert "failed" in result.content[0].text.lower() or "error" in result.content[0].text.lower()