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P2-R1: ALSA + JACK2 low-latency config (scripts, quirks, tuning) P2-R2: Carla integration (build scripts, 8ch rack config, NAM LV2 support) P2-R3: Plugin manager, categories, blacklist, NAM model support P3-R1: Mixer DSP engine (channel strip, routing matrix, bus mgr, automation) P4-R1: MIDI engine (learn mode, clock sync, HID discovery, mapping store) P4-R2: Network API (OSC server, FastAPI REST, WebSocket, auth, rate limiter) P5-R1: Touchscreen UI evaluation + main entry point docs: Audio stack, Carla integration, MIDI support, UI evaluation tests: Full test suite (292 passing)
224 lines
6.8 KiB
Python
224 lines
6.8 KiB
Python
"""Tests for MIDI types and message handling."""
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import pytest
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from src.midi.types import (
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MIDIMessage,
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MIDIMessageType,
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MIDIMapping,
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MixerParameter,
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ParameterCategory,
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ParameterType,
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MIDISystemMessage,
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)
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class TestMIDIMessageType:
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def test_from_status_cc(self):
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assert MIDIMessageType.from_status(0xB0) == MIDIMessageType.CONTROL_CHANGE
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assert MIDIMessageType.from_status(0xB3) == MIDIMessageType.CONTROL_CHANGE
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def test_from_status_note_on(self):
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assert MIDIMessageType.from_status(0x90) == MIDIMessageType.NOTE_ON
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assert MIDIMessageType.from_status(0x9F) == MIDIMessageType.NOTE_ON
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def test_from_status_note_off(self):
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assert MIDIMessageType.from_status(0x80) == MIDIMessageType.NOTE_OFF
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def test_channel(self):
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assert MIDIMessageType.channel(0xB0) == 0
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assert MIDIMessageType.channel(0xB3) == 3
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assert MIDIMessageType.channel(0xBF) == 15
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class TestMIDIMessage:
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def test_cc_message(self):
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msg = MIDIMessage(
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msg_type=MIDIMessageType.CONTROL_CHANGE,
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channel=0,
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controller=7,
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value=100,
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)
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assert msg.is_cc
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assert not msg.is_nrpn
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assert msg.controller == 7
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assert msg.value == 100
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assert msg.value_normalised == pytest.approx(100 / 127, abs=0.01)
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def test_note_on_message(self):
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msg = MIDIMessage(
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msg_type=MIDIMessageType.NOTE_ON,
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channel=1,
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controller=60,
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value=127,
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)
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assert not msg.is_cc
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assert msg.channel == 1
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def test_pitch_bend_message(self):
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msg = MIDIMessage(
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msg_type=MIDIMessageType.PITCH_BEND,
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channel=0,
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value=8192, # Centre
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)
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assert msg.value_normalised == pytest.approx(0.0, abs=0.01)
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msg2 = MIDIMessage(
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msg_type=MIDIMessageType.PITCH_BEND,
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channel=0,
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value=16383,
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)
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assert msg2.value_normalised == pytest.approx(1.0, abs=0.02)
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def test_nrpn_message(self):
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msg = MIDIMessage(
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msg_type=MIDIMessageType.CONTROL_CHANGE,
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channel=0,
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is_nrpn=True,
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nrpn_msb=0,
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nrpn_lsb=1,
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value=1000,
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)
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assert msg.is_nrpn
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assert msg.nrpn_number == 1 # (0 << 7) | 1
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def test_nrpn_number_14bit(self):
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msg = MIDIMessage(
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msg_type=MIDIMessageType.CONTROL_CHANGE,
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channel=0,
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is_nrpn=True,
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nrpn_msb=0x01,
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nrpn_lsb=0x02,
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)
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assert msg.nrpn_number == (0x01 << 7) | 0x02
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def test_repr(self):
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msg = MIDIMessage(
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msg_type=MIDIMessageType.CONTROL_CHANGE,
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channel=0,
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controller=7,
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value=100,
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source_device="TestDevice",
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)
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r = repr(msg)
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assert "CONTROL_CHANGE" in r
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assert "CC=7" in r
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assert "val=100" in r
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assert "TestDevice" in r
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class TestMIDIMapping:
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def test_cc_mapping_match(self):
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m = MIDIMapping(
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msg_type=MIDIMessageType.CONTROL_CHANGE,
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channel=0,
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controller=7,
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param_type=ParameterType.VOLUME,
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param_channel=0,
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)
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msg = MIDIMessage(
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msg_type=MIDIMessageType.CONTROL_CHANGE,
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channel=0,
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controller=7,
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value=100,
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)
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assert m.matches(msg)
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def test_cc_mapping_no_match_wrong_channel(self):
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m = MIDIMapping(
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msg_type=MIDIMessageType.CONTROL_CHANGE,
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channel=0,
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controller=7,
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)
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msg = MIDIMessage(
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msg_type=MIDIMessageType.CONTROL_CHANGE,
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channel=1,
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controller=7,
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value=100,
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)
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assert not m.matches(msg)
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def test_cc_mapping_no_match_wrong_controller(self):
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m = MIDIMapping(
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msg_type=MIDIMessageType.CONTROL_CHANGE,
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channel=0,
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controller=7,
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)
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msg = MIDIMessage(
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msg_type=MIDIMessageType.CONTROL_CHANGE,
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channel=0,
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controller=10,
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value=100,
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)
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assert not m.matches(msg)
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def test_device_filter(self):
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m = MIDIMapping(
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msg_type=MIDIMessageType.CONTROL_CHANGE,
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channel=0,
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controller=7,
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source_device="X-Touch",
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)
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msg_match = MIDIMessage(
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msg_type=MIDIMessageType.CONTROL_CHANGE,
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channel=0,
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controller=7,
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value=100,
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source_device="X-Touch",
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)
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msg_no_match = MIDIMessage(
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msg_type=MIDIMessageType.CONTROL_CHANGE,
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channel=0,
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controller=7,
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value=100,
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source_device="MIDImix",
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)
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assert m.matches(msg_match)
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assert not m.matches(msg_no_match)
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def test_nrpn_mapping_match(self):
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m = MIDIMapping(
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msg_type=MIDIMessageType.CONTROL_CHANGE,
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channel=0,
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is_nrpn=True,
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nrpn_number=258, # (2 << 7) | 2
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)
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msg = MIDIMessage(
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msg_type=MIDIMessageType.CONTROL_CHANGE,
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channel=0,
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is_nrpn=True,
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nrpn_msb=2,
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nrpn_lsb=2,
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value=8192,
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)
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assert m.matches(msg)
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def test_scale_value_linear(self):
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m = MIDIMapping(midi_min=0, midi_max=127, param_min=0.0, param_max=1.0)
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assert m.scale_value(0) == pytest.approx(0.0)
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assert m.scale_value(127) == pytest.approx(1.0)
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assert m.scale_value(63) == pytest.approx(0.5, abs=0.02)
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def test_scale_value_invert(self):
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m = MIDIMapping(midi_min=0, midi_max=127, param_min=0.0, param_max=1.0, invert=True)
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assert m.scale_value(0) == pytest.approx(1.0)
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assert m.scale_value(127) == pytest.approx(0.0)
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def test_scale_value_db_range(self):
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m = MIDIMapping(midi_min=0, midi_max=127, param_min=-60.0, param_max=12.0)
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assert m.scale_value(0) == pytest.approx(-60.0)
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assert m.scale_value(127) == pytest.approx(12.0)
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def test_scale_value_exponential(self):
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m = MIDIMapping(midi_min=0, midi_max=127, param_min=0.0, param_max=1.0, curve="exponential")
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assert m.scale_value(0) == pytest.approx(0.0)
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assert m.scale_value(127) == pytest.approx(1.0)
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# Should be non-linear (value at 50% is < 50%)
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assert m.scale_value(63) < 0.5
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def test_disabled_mapping(self):
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m = MIDIMapping(controller=7, enabled=False)
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msg = MIDIMessage(MIDIMessageType.CONTROL_CHANGE, 0, 7, 100)
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# The engine skips disabled mappings; matches() still works but caller checks enabled
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assert m.matches(msg)
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assert not m.enabled
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