REAPER MCP Server

import pytest import pytest_asyncio from .test_utils import ( ensure_clean_project, create_track_with_verification, get_track_envelope_with_verification, assert_response_contains, assert_response_success, extract_number_from_response ) def assert_tools_available(available_tools, required_tools): """Assert that all required tools are available, failing with clear message if not""" for tool in required_tools: assert tool in available_tools, f"MISSING IMPLEMENTATION: Tool '{tool}' is not implemented in the server but is required for envelope functionality" @pytest.mark.asyncio async def test_envelope_basic_operations(reaper_mcp_client): """Test basic envelope operations""" # Ensure clean project state await ensure_clean_project(reaper_mcp_client) # Create a track and get its actual index track_index = await create_track_with_verification(reaper_mcp_client) print(f"Created track with index: {track_index} (type: {type(track_index)})") # Verify track exists track_result = await reaper_mcp_client.call_tool( "get_track", {"track_index": track_index} ) print(f"Get track result: {track_result}") # Small delay to ensure REAPER has processed the track import asyncio await asyncio.sleep(0.1) # Check track count count_result = await reaper_mcp_client.call_tool("get_track_count", {}) print(f"Track count after creation: {count_result}") # Get volume envelope # Force track_index to be passed as a simple value result = await reaper_mcp_client.call_tool( "get_track_envelope_by_name", {"track_index": int(track_index), "envelope_name": "Volume"} ) print(f"Get volume envelope result: {result}") assert_response_contains(result, "Found envelope") assert_response_contains(result, "Volume") # Count initial points (should be 0 or minimal) result = await reaper_mcp_client.call_tool( "count_envelope_points", {"track_index": track_index, "envelope_name": "Volume"} ) print(f"Count points result: {result}") initial_count = extract_number_from_response(result.content[0].text, r'has (\d+) points') or 0 # Insert a point at 0s with full volume result = await reaper_mcp_client.call_tool( "insert_envelope_point", { "track_index": track_index, "envelope_name": "Volume", "time": 0.0, "value": 1.0, "shape": 0 } ) print(f"Insert point result: {result}") assert_response_contains(result, "Inserted point at") # Insert another point at 2s with half volume result = await reaper_mcp_client.call_tool( "insert_envelope_point", { "track_index": track_index, "envelope_name": "Volume", "time": 2.0, "value": 0.5, "shape": 0 } ) assert_response_contains(result, "Inserted point at") # Count points again result = await reaper_mcp_client.call_tool( "count_envelope_points", {"track_index": track_index, "envelope_name": "Volume"} ) new_count = extract_number_from_response(result.content[0].text, r'has (\d+) points') or 0 assert new_count >= initial_count + 2 @pytest.mark.asyncio async def test_envelope_point_manipulation(reaper_mcp_client): """Test getting and setting envelope points""" # Ensure clean project state await ensure_clean_project(reaper_mcp_client) # Create track and get its actual index track_index = await create_track_with_verification(reaper_mcp_client) # Insert a point await reaper_mcp_client.call_tool( "insert_envelope_point", { "track_index": track_index, "envelope_name": "Volume", "time": 1.0, "value": 0.8, "shape": 0 } ) # Get point info result = await reaper_mcp_client.call_tool( "get_envelope_point", { "track_index": track_index, "envelope_name": "Volume", "point_index": 0 } ) print(f"Get point info result: {result}") assert "time=" in result.content[0].text and "value=" in result.content[0].text # Set point value result = await reaper_mcp_client.call_tool( "set_envelope_point_value", { "track_index": 0, "envelope_name": "Volume", "point_index": 0, "value": 0.6 } ) print(f"Set point value result: {result}") assert "updated point" in result.content[0].text.lower() # Verify the value was changed result = await reaper_mcp_client.call_tool( "get_envelope_point", { "track_index": 0, "envelope_name": "Volume", "point_index": 0 } ) assert "value=0.6" in result.content[0].text @pytest.mark.asyncio async def test_envelope_pan_automation(reaper_mcp_client): """Test pan envelope automation""" # Create track await reaper_mcp_client.call_tool( "insert_track", {"index": 0, "use_defaults": True} ) # Create pan automation - pan from left to right times_and_values = [ (0.0, -1.0), # Hard left (1.0, 0.0), # Center (2.0, 1.0), # Hard right (3.0, 0.0) # Back to center ] for time, value in times_and_values: result = await reaper_mcp_client.call_tool( "insert_envelope_point", { "track_index": 0, "envelope_name": "Pan", "time": time, "value": value, "shape": 0 } ) print(f"Insert pan point at {time}s: {result}") assert "Inserted point at" in result.content[0].text # Count pan envelope points result = await reaper_mcp_client.call_tool( "count_envelope_points", {"track_index": 0, "envelope_name": "Pan"} ) assert "4" in result.content[0].text @pytest.mark.asyncio async def test_envelope_delete_points(reaper_mcp_client): """Test deleting envelope points""" # Create track await reaper_mcp_client.call_tool( "insert_track", {"index": 0, "use_defaults": True} ) # Insert multiple points for i in range(3): await reaper_mcp_client.call_tool( "insert_envelope_point", { "track_index": 0, "envelope_name": "Volume", "time": float(i), "value": 1.0 - (i * 0.3), "shape": 0 } ) # Count points result = await reaper_mcp_client.call_tool( "count_envelope_points", {"track_index": 0, "envelope_name": "Volume"} ) count_before = int(''.join(filter(str.isdigit, result.content[0].text)) or "0") # Delete middle point (index 1) result = await reaper_mcp_client.call_tool( "delete_envelope_point", { "track_index": 0, "envelope_name": "Volume", "point_index": 1 } ) print(f"Delete point result: {result}") assert "deleted point" in result.content[0].text.lower() # Count again result = await reaper_mcp_client.call_tool( "count_envelope_points", {"track_index": 0, "envelope_name": "Volume"} ) count_after = int(''.join(filter(str.isdigit, result.content[0].text)) or "0") assert count_after == count_before - 1 @pytest.mark.asyncio async def test_envelope_shapes(reaper_mcp_client): """Test different envelope point shapes""" # Create track await reaper_mcp_client.call_tool( "insert_track", {"index": 0, "use_defaults": True} ) # Test different shapes shapes = [ (0, "linear"), (1, "square"), (2, "slow start/end"), (3, "fast start"), (4, "fast end"), (5, "bezier") ] for i, (shape_id, shape_name) in enumerate(shapes): result = await reaper_mcp_client.call_tool( "insert_envelope_point", { "track_index": 0, "envelope_name": "Volume", "time": float(i), "value": 0.8, "shape": shape_id } ) print(f"Insert {shape_name} point: {result}") assert "Inserted point at" in result.content[0].text @pytest.mark.asyncio async def test_envelope_error_handling(reaper_mcp_client): """Test error handling for envelope operations""" # Try to get envelope on non-existent track result = await reaper_mcp_client.call_tool( "get_track_envelope_by_name", {"track_index": 999, "envelope_name": "Volume"} ) assert "failed" in result.content[0].text.lower() # Create track await reaper_mcp_client.call_tool( "insert_track", {"index": 0, "use_defaults": True} ) # Try to get non-existent envelope result = await reaper_mcp_client.call_tool( "get_track_envelope_by_name", {"track_index": 0, "envelope_name": "NonExistentEnvelope"} ) assert "not found" in result.content[0].text.lower() # Try to get non-existent point result = await reaper_mcp_client.call_tool( "get_envelope_point", { "track_index": 0, "envelope_name": "Volume", "point_index": 999 } ) assert "not found" in result.content[0].text.lower() or "failed" in result.content[0].text.lower()