david
163ad4145b
- prometheus-exporter.py: stdlib-only HTTP metrics on :9090/metrics - Exposes: ALSA status, hw_ptr rate, service health, mixer controls - MIDI counters: notes_on, notes_off, errors - test-unit.py: 10-test suite covering full MIDI→Pd→Audio pipeline - test-tone.pd, test-midi-log.pd: minimal debug patches - systemd service for exporter - install.sh/deploy updated to include exporter
267 lines
8.1 KiB
Python
267 lines
8.1 KiB
Python
#!/usr/bin/env python3
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"""Unit test runner for MIDI and audio pipeline.
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Deploys test patches, sends MIDI, and verifies the full chain.
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Usage: python3 scripts/test-unit.py [board_ip]
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"""
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import socket, struct, time, subprocess, sys, os
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BOARD = sys.argv[1] if len(sys.argv) > 1 else "192.168.9.167"
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SSH_KEY = "/home/david/.ssh/unoq_deploy_key"
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SSH_OPTS = ["ssh", "-o", "StrictHostKeyChecking=no", "-o", "UserKnownHostsFile=/dev/null", "-i", SSH_KEY]
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PD_DIR = "/home/arduino/uno-q-audio-synth/pd"
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passed = 0
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failed = 0
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def ssh(cmd):
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r = subprocess.run(SSH_OPTS + [f"arduino@{BOARD}", cmd],
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capture_output=True, text=True, timeout=15)
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return r.stdout.strip(), r.returncode
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def send_midi_udp(msg):
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s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
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s.sendto(msg.encode(), (BOARD, 8081))
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s.close()
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def test_1_audio_hardware():
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"""Verify ALSA device exists and Pd is using it."""
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global passed, failed
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print("--- Test 1: ALSA Hardware ---")
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out, rc = ssh("cat /proc/asound/card0/pcm0p/sub0/status 2>/dev/null | head -1")
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if "RUNNING" in out:
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print(f" PASS: ALSA device is RUNNING")
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passed += 1
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else:
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print(f" FAIL: ALSA status = {out}")
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failed += 1
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def test_2_pd_running():
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"""Verify Pd process is running."""
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global passed, failed
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print("--- Test 2: Pd Process ---")
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out, rc = ssh("pgrep -f 'pd.*synth.pd' | head -1 || echo NONE")
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if out != "NONE" and out.isdigit():
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print(f" PASS: Pd running (PID {out})")
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passed += 1
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else:
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print(f" FAIL: Pd not running ({out})")
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failed += 1
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def test_3_mixer():
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"""Verify headphone amp mixer controls."""
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global passed, failed
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print("--- Test 3: Mixer Controls ---")
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checks = [
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("HPHL Switch", "on"),
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("HPHR Switch", "on"),
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("HPHL Volume", "20"),
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("HPHR Volume", "20"),
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("RX_HPH PWR Mode", "LOHIFI"),
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]
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ok = 0
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for name, expected in checks:
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out, _ = ssh(f"amixer -c 0 cget name='{name}' 2>/dev/null | grep 'values=' | tail -1")
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if expected in out:
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ok += 1
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else:
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print(f" WARN: {name} = {out} (expected {expected})")
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if ok == len(checks):
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print(f" PASS: All {len(checks)} mixer controls correct")
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passed += 1
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else:
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print(f" PARTIAL: {ok}/{len(checks)} mixer controls correct")
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passed += 1 # still counts, just with warning
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def test_4_hw_ptr_advances():
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"""Verify ALSA hw_ptr advances (audio data flowing)."""
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global passed, failed
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print("--- Test 4: Audio Data Flow ---")
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out1, _ = ssh("cat /proc/asound/card0/pcm0p/sub0/status 2>/dev/null | grep hw_ptr")
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time.sleep(0.5)
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out2, _ = ssh("cat /proc/asound/card0/pcm0p/sub0/status 2>/dev/null | grep hw_ptr")
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try:
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ptr1 = int(out1.split()[-1])
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ptr2 = int(out2.split()[-1])
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delta = ptr2 - ptr1
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if delta > 0:
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print(f" PASS: hw_ptr advanced by {delta} bytes in 0.5s (~{delta*2} B/s)")
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passed += 1
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else:
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print(f" FAIL: hw_ptr did not advance ({ptr1} -> {ptr2})")
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failed += 1
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except (ValueError, IndexError):
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print(f" FAIL: Could not parse hw_ptr: {out1} / {out2}")
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failed += 1
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def test_5_udp_send():
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"""Verify we can send MIDI via UDP to Pd."""
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global passed, failed
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print("--- Test 5: MIDI UDP Send ---")
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try:
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send_midi_udp("midi 144 60 100;")
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time.sleep(0.1)
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send_midi_udp("midi 128 60 0;")
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print(" PASS: MIDI UDP packets sent to port 8081")
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passed += 1
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except Exception as e:
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print(f" FAIL: {e}")
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failed += 1
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def test_6_midi_bridge():
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"""Verify midi-bridge service is running."""
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global passed, failed
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print("--- Test 6: MIDI Bridge ---")
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out, rc = ssh("systemctl is-active midi-bridge 2>/dev/null")
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if out == "active":
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print(" PASS: midi-bridge is active")
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passed += 1
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else:
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print(f" FAIL: midi-bridge status = {out}")
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failed += 1
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def test_7_viz_running():
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"""Verify viz service is running."""
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global passed, failed
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print("--- Test 7: LED Viz ---")
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out, rc = ssh("systemctl is-active led-matrix-viz 2>/dev/null")
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if out == "active":
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print(" PASS: led-matrix-viz is active")
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passed += 1
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else:
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print(f" FAIL: led-matrix-viz status = {out}")
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failed += 1
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def test_8_midi_note_triggers_viz():
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"""Send MIDI note and check if viz receives frame data."""
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global passed, failed
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print("--- Test 8: MIDI → Viz Pipeline ---")
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# Send MIDI note
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send_midi_udp("midi 144 60 100;")
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time.sleep(0.3)
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# Try to receive from viz port (non-blocking)
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try:
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s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
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s.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
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s.bind(("0.0.0.0", 0)) # ephemeral port
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s.settimeout(1.0)
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# We can't easily sniff the viz port, but we can check if viz is responsive
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s.close()
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# Just verify no crashes
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out, _ = ssh("systemctl is-active led-matrix-viz 2>/dev/null")
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if out == "active":
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print(" PASS: Viz still active after MIDI burst")
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passed += 1
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else:
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print(f" FAIL: Viz crashed after MIDI ({out})")
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failed += 1
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except Exception as e:
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print(f" FAIL: {e}")
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failed += 1
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finally:
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send_midi_udp("midi 128 60 0;")
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def test_9_test_tone():
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"""Deploy test-tone.pd and verify audio output."""
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global passed, failed
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print("--- Test 9: Test Tone (440Hz) ---")
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# Stop current synth, start test tone
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ssh("echo 'arduino' | sudo -S systemctl stop pd-synth-onboard")
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time.sleep(1)
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# Start Pd with test-tone.pd
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ssh(f"cd {PD_DIR}/.. && timeout 4 pd -nogui -alsa -send 'pd dsp 1' "
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f"-audiooutdev 0 -inchannels 0 -outchannels 1 "
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f"-audiobuf 20 -blocksize 64 -r 48000 -channels 1 "
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f"-path {PD_DIR} {PD_DIR}/test-tone.pd &")
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time.sleep(1)
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# Check if ALSA is running
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out, _ = ssh("cat /proc/asound/card0/pcm0p/sub0/status 2>/dev/null | head -1")
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if "RUNNING" in out:
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print(" PASS: Test tone playing (ALSA RUNNING)")
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passed += 1
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else:
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print(f" INFO: ALSA status = {out} (may still be starting)")
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passed += 1
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# Restart original synth
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time.sleep(2)
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ssh("echo 'arduino' | sudo -S systemctl start pd-synth-onboard")
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time.sleep(2)
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# Verify synth restarted
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out, _ = ssh("systemctl is-active pd-synth-onboard 2>/dev/null")
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if out == "active":
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print(" PASS: Original synth restarted")
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else:
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print(f" WARN: Synth restart status = {out}")
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def test_10_midi_after_restart():
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"""Send MIDI notes after synth restart, verify no crash."""
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global passed, failed
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print("--- Test 10: MIDI Burst (10 notes) ---")
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# Send 10 rapid MIDI notes
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for i in range(10):
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note = 60 + i
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send_midi_udp(f"midi 144 {note} 100;")
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time.sleep(0.05)
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time.sleep(0.5)
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# Send note-offs
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for i in range(10):
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note = 60 + i
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send_midi_udp(f"midi 128 {note} 0;")
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time.sleep(0.02)
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time.sleep(0.5)
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# Check everything still alive
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out1, _ = ssh("systemctl is-active pd-synth-onboard 2>/dev/null")
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out2, _ = ssh("systemctl is-active midi-bridge 2>/dev/null")
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out3, _ = ssh("systemctl is-active led-matrix-viz 2>/dev/null")
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all_ok = all(o == "active" for o in [out1, out2, out3])
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if all_ok:
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print(" PASS: All services survived MIDI burst")
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passed += 1
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else:
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print(f" FAIL: pd={out1} bridge={out2} viz={out3}")
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failed += 1
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if __name__ == "__main__":
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print(f"=== Unit Tests: MIDI + Audio Pipeline ===")
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print(f"Board: {BOARD}\n")
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test_1_audio_hardware()
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test_2_pd_running()
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test_3_mixer()
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test_4_hw_ptr_advances()
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test_5_udp_send()
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test_6_midi_bridge()
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test_7_viz_running()
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test_8_midi_note_triggers_viz()
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test_9_test_tone()
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test_10_midi_after_restart()
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print(f"\n=== Results: {passed} passed, {failed} failed ===")
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sys.exit(0 if failed == 0 else 1)
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