Files
pi-multifx-pedal/tests/test_web.py
T

457 lines
16 KiB
Python

"""Tests for the web UI server — REST API, WebSocket, and HTML pages.
Run with:
pytest tests/test_web.py -v
"""
from __future__ import annotations
import json
import sys
from pathlib import Path
from unittest.mock import MagicMock, PropertyMock
import pytest
from fastapi.testclient import TestClient
# Ensure src is on sys.path
SRC = Path(__file__).resolve().parent.parent / "src"
if str(SRC) not in sys.path:
sys.path.insert(0, str(SRC))
from src.web.server import WebServer, WebServerDeps
# ── Fixtures ─────────────────────────────────────────────────────────────────
@pytest.fixture
def mock_presets():
"""A mock PresetManager with a real Preset returned on load."""
from src.presets.types import Preset
pm = MagicMock()
pm.current_bank = 0
pm.current_program = 0
pm._current_snapshot = 0
pm.load.return_value = Preset(name="Default", bank=0, program=0)
return pm
@pytest.fixture
def mock_pipeline():
pl = MagicMock()
pl._bypassed = False
pl._tuner_enabled = False
pl._tuner_frequency = 0.0
pl._tuner_note = '--'
pl._tuner_cents = 0
pl._tuner_string = -1
pl._tuner_confidence = 0.0
pl._master_volume = 0.8
pl.routing_mode = "mono"
pl.routing_breakpoint = 7
def _set_routing(mode, breakpoint=7):
pl.routing_mode = mode
pl.routing_breakpoint = breakpoint
pl.set_routing = MagicMock(side_effect=_set_routing)
return pl
@pytest.fixture
def mock_nam():
nam = MagicMock()
nam.is_loaded = False
nam.current_model = None
nam._models_dir = Path("/tmp/pedal-test/nam")
return nam
@pytest.fixture
def mock_ir():
ir = MagicMock()
ir.is_loaded = False
ir.current_ir = None
ir._ir_dir = Path("/tmp/pedal-test/irs")
return ir
@pytest.fixture
def deps(mock_presets, mock_pipeline, mock_nam, mock_ir):
return WebServerDeps(
presets=mock_presets,
pipeline=mock_pipeline,
nam_host=mock_nam,
ir_loader=mock_ir,
)
@pytest.fixture
def client(deps, monkeypatch):
"""TestClient with a fresh server per test."""
# Mock hardware-dependent gathers so tests don't hang on bluetoothctl/nmcli
monkeypatch.setattr(WebServer, "_gather_wifi_state", lambda self: {
"connected": False, "ssid": None, "ip": None, "signal": 0,
"hotspot_active": False, "hotspot_ssid": None,
"hotspot_password": None, "hotspot_clients": 0,
})
monkeypatch.setattr(WebServer, "_gather_bt_state", lambda self: {
"available": False, "powered": False, "name": None,
"address": None, "discoverable": False,
"midi_enabled": False, "midi_running": False,
})
server = WebServer(deps)
from fastapi.testclient import TestClient
test_client = TestClient(server._app)
return test_client
@pytest.fixture
def client_no_deps():
"""Server with no pedal dependencies connected (disconnected state)."""
server = WebServer(WebServerDeps())
test_client = TestClient(server._app)
return test_client
# ── HTML page tests ──────────────────────────────────────────────────────────
class TestPages:
"""Verify all HTML pages are served with correct status and content type."""
def test_dashboard(self, client):
res = client.get("/")
assert res.status_code == 200
assert "text/html" in res.headers["content-type"]
def test_presets_page(self, client):
res = client.get("/presets")
assert res.status_code == 200
assert "text/html" in res.headers["content-type"]
def test_models_page(self, client):
res = client.get("/models")
assert res.status_code == 200
assert "text/html" in res.headers["content-type"]
def test_irs_page(self, client):
res = client.get("/irs")
assert res.status_code == 200
assert "text/html" in res.headers["content-type"]
def test_settings_page(self, client):
res = client.get("/settings")
assert res.status_code == 200
assert "text/html" in res.headers["content-type"]
def test_404_page(self, client):
res = client.get("/nonexistent")
assert res.status_code == 404
def test_static_css(self, client):
res = client.get("/static/style.css")
assert res.status_code == 200
assert "text/css" in res.headers["content-type"]
# ── REST API tests ───────────────────────────────────────────────────────────
class TestAPIState:
"""GET /api/state — pedal state snapshot."""
def test_state_connected(self, client, mock_presets, mock_pipeline, mock_nam, mock_ir):
res = client.get("/api/state")
assert res.status_code == 200
data = res.json()
assert data["connected"] is True
assert "current_preset" in data
assert "bypass" in data
assert "tuner_enabled" in data
assert "master_volume" in data
assert data["master_volume"] == 0.8
def test_state_disconnected(self, client_no_deps):
res = client_no_deps.get("/api/state")
assert res.status_code == 200
data = res.json()
assert data["connected"] is False
class TestAPIPresets:
"""Preset CRUD endpoints."""
def test_list_presets(self, client):
res = client.get("/api/presets")
assert res.status_code == 200
data = res.json()
assert "banks" in data
def test_list_presets_no_deps(self, client_no_deps):
res = client_no_deps.get("/api/presets")
assert res.status_code == 503
def test_get_preset_not_found(self, client, mock_presets):
mock_presets.load.side_effect = FileNotFoundError("No preset")
res = client.get("/api/presets/99/0")
assert res.status_code == 404
def test_activate_preset(self, client, mock_presets):
from src.presets.types import Preset
fake_preset = Preset(name="Test", bank=0, program=0)
mock_presets.select.return_value = fake_preset
res = client.post("/api/presets/0/0/activate")
assert res.status_code == 200
data = res.json()
assert data["ok"] is True
mock_presets.select.assert_called_with(0, 0)
def test_save_preset(self, client, mock_presets):
payload = {
"name": "My Tone",
"master_volume": 0.7,
"chain": [
{"fx_type": "overdrive", "enabled": True, "bypass": False, "params": {"drive": 0.5}}
],
}
res = client.put("/api/presets/1/2", json=payload)
assert res.status_code == 200
assert res.json()["name"] == "My Tone"
mock_presets.save.assert_called_once()
def test_delete_preset(self, client, mock_presets):
res = client.delete("/api/presets/0/0")
assert res.status_code == 200
mock_presets.delete.assert_called_with(0, 0)
class TestAPIBypass:
"""Bypass toggle endpoint."""
def test_bypass_toggle_on(self, client):
res = client.post("/api/bypass", json={"bypass": True})
assert res.status_code == 200
assert res.json()["bypass"] is True
def test_bypass_toggle_off(self, client):
res = client.post("/api/bypass", json={"bypass": False})
assert res.status_code == 200
assert res.json()["bypass"] is False
def test_bypass_no_deps(self, client_no_deps):
res = client_no_deps.post("/api/bypass")
assert res.status_code == 503
class TestAPIVolume:
"""Volume control endpoint."""
def test_set_volume(self, client, mock_pipeline):
res = client.put("/api/volume", json={"volume": 0.5})
assert res.status_code == 200
assert res.json()["volume"] == 0.5
assert mock_pipeline._master_volume == 0.5
def test_set_volume_clamp(self, client, mock_pipeline):
res = client.put("/api/volume", json={"volume": 2.5})
assert res.status_code == 200
assert res.json()["volume"] == 1.0 # clamped
class TestAPIModels:
"""NAM model listing and loading."""
def test_list_models(self, client, mock_nam):
mock_nam.list_available_models.return_value = []
res = client.get("/api/models")
assert res.status_code == 200
data = res.json()
assert "models" in data
assert "current" in data
def test_load_model(self, client, mock_nam):
mock_nam.load_model.return_value = True
res = client.post("/api/models/load", json={"path": "/tmp/test.nam"})
assert res.status_code == 200
assert res.json()["ok"] is True
def test_load_model_fail(self, client, mock_nam):
mock_nam.load_model.return_value = False
res = client.post("/api/models/load", json={"path": "/tmp/bad.nam"})
assert res.status_code == 500
def test_unload_model(self, client, mock_nam):
res = client.post("/api/models/unload")
assert res.status_code == 200
mock_nam.unload.assert_called_once()
class TestAPIIRs:
"""IR listing and loading."""
def test_list_irs(self, client, mock_ir):
mock_ir.get_irs.return_value = []
res = client.get("/api/irs")
assert res.status_code == 200
data = res.json()
assert "irs" in data
def test_load_ir(self, client, mock_ir):
mock_ir.load_ir.return_value = True
res = client.post("/api/irs/load", json={"path": "/tmp/test.wav"})
assert res.status_code == 200
assert res.json()["ok"] is True
def test_unload_ir(self, client, mock_ir):
res = client.post("/api/irs/unload")
assert res.status_code == 200
mock_ir.unload.assert_called_once()
class TestAPIBlockParams:
"""FX block parameter schemas."""
def test_overdrive_params(self, client):
res = client.get("/api/block-params/overdrive")
assert res.status_code == 200
data = res.json()
assert data["fx_type"] == "overdrive"
assert len(data["params"]) > 0
keys = [p["key"] for p in data["params"]]
assert "drive" in keys
def test_unknown_fx_type(self, client):
res = client.get("/api/block-params/unknown_fx")
assert res.status_code == 200
assert res.json()["params"] == []
class TestAPITuner:
"""Tuner toggle."""
def test_tuner_toggle_on(self, client):
res = client.post("/api/tuner", json={"enabled": True})
assert res.status_code == 200
assert res.json()["tuner_enabled"] is True
def test_tuner_toggle_off(self, client):
res = client.post("/api/tuner", json={"enabled": False})
assert res.status_code == 200
assert res.json()["tuner_enabled"] is False
# ── WebSocket tests ──────────────────────────────────────────────────────────
class TestWebSocket:
"""WebSocket connection and message handling."""
def test_ws_connect_receives_state(self, client, mock_presets):
"""On connect, server sends 'connected' message with state."""
from src.presets.types import Preset
mock_presets.load.return_value = Preset(name="Default", bank=0, program=0)
with client.websocket_connect("/ws") as ws:
data = ws.receive_text()
msg = json.loads(data)
assert msg["type"] == "connected"
assert "state" in msg
def test_ws_ping_pong(self, client):
"""Ping message gets pong response."""
with client.websocket_connect("/ws") as ws:
# Consume the initial connected message
ws.receive_text()
ws.send_text(json.dumps({"type": "ping"}))
data = ws.receive_text()
msg = json.loads(data)
assert msg["type"] == "pong"
def test_ws_get_state(self, client, mock_presets):
"""Requesting state returns full state object."""
from src.presets.types import Preset
mock_presets.load.return_value = Preset(name="Test", bank=1, program=2)
with client.websocket_connect("/ws") as ws:
ws.receive_text() # initial connected
ws.send_text(json.dumps({"type": "get_state"}))
data = ws.receive_text()
msg = json.loads(data)
assert msg["type"] == "state"
assert "state" in msg
# ── Error handling ───────────────────────────────────────────────────────────
class TestErrors:
"""Edge cases and error responses."""
def test_missing_volume_key(self, client):
"""PUT /api/volume with no 'volume' key defaults."""
res = client.put("/api/volume", json={})
assert res.status_code == 200
assert res.json()["volume"] == 0.8 # default
def test_empty_model_load_path(self, client):
res = client.post("/api/models/load", json={"path": ""})
assert res.status_code == 400
class TestAPIRouting:
"""4CM routing mode and breakpoint endpoints."""
def test_get_routing_default(self, client, mock_pipeline):
"""GET /api/routing returns current routing config."""
res = client.get("/api/routing")
assert res.status_code == 200
data = res.json()
assert data["routing_mode"] == "mono"
assert data["routing_breakpoint"] == 7
def test_get_routing_no_deps(self, client_no_deps):
"""GET /api/routing returns 503 when pipeline not connected."""
res = client_no_deps.get("/api/routing")
assert res.status_code == 503
def test_set_routing_mode_4cm(self, client, mock_pipeline):
"""POST /api/routing switches to 4CM mode."""
res = client.post("/api/routing", json={"routing_mode": "4cm"})
assert res.status_code == 200
data = res.json()
assert data["routing_mode"] == "4cm"
mock_pipeline.set_routing.assert_called_with("4cm", 7)
def test_set_routing_mode_mono(self, client, mock_pipeline):
"""POST /api/routing switches back to mono."""
res = client.post("/api/routing", json={"routing_mode": "mono"})
assert res.status_code == 200
data = res.json()
assert data["routing_mode"] == "mono"
mock_pipeline.set_routing.assert_called_with("mono", 7)
def test_set_routing_breakpoint(self, client, mock_pipeline):
"""POST /api/routing sets breakpoint position."""
res = client.post("/api/routing", json={"routing_breakpoint": 3})
assert res.status_code == 200
data = res.json()
assert data["routing_breakpoint"] == 3
mock_pipeline.set_routing.assert_called_with("mono", 3)
def test_set_routing_both(self, client, mock_pipeline):
"""POST /api/routing sets both mode and breakpoint."""
res = client.post("/api/routing", json={
"routing_mode": "4cm",
"routing_breakpoint": 5,
})
assert res.status_code == 200
data = res.json()
assert data["routing_mode"] == "4cm"
assert data["routing_breakpoint"] == 5
mock_pipeline.set_routing.assert_called_with("4cm", 5)
def test_set_routing_no_deps(self, client_no_deps):
"""POST /api/routing returns 503 when pipeline not connected."""
res = client_no_deps.post("/api/routing", json={"routing_mode": "4cm"})
assert res.status_code == 503