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import pytest
from midi_controller_launchpad_mini import MidiController
from solo_tool import SoloTool
from player_mock import Player as PlayerMock
class MidiWrapperMock:
def __init__(self):
from queue import SimpleQueue
self.callback = None
self.connectedDevice = None
self.sentMessages = SimpleQueue()
def setCallback(self, callback):
self.callback = callback
def connect(self, deviceName):
self.connectedDevice = deviceName
def sendMessage(self, note, velocity, channel):
self.sentMessages.put((note, velocity, channel))
def simulateInput(self, note, velocity=127, channel=0):
if self.callback is not None:
from mido import Message
msg = Message("note_on", note=note, velocity=velocity, channel=channel)
self.callback(msg)
@pytest.fixture
def playerMock():
return PlayerMock()
@pytest.fixture
def soloTool(playerMock):
return SoloTool(playerMock)
@pytest.fixture
def midiWrapperMock():
return MidiWrapperMock()
@pytest.fixture
def uut(soloTool, midiWrapperMock):
return MidiController(soloTool, midiWrapperMock)
def test_connect(uut, midiWrapperMock):
expectedDevice = "Launchpad Mini MIDI 1"
uut.connect()
assert midiWrapperMock.connectedDevice == expectedDevice
def test_startStopAndPauseButtons(uut, midiWrapperMock, playerMock):
playPauseButton = 112
stopButton = 96
uut.connect()
assert playerMock.state == PlayerMock.STOPPED
midiWrapperMock.simulateInput(playPauseButton)
assert playerMock.state == PlayerMock.PLAYING
midiWrapperMock.simulateInput(stopButton)
assert playerMock.state == PlayerMock.STOPPED
midiWrapperMock.simulateInput(playPauseButton)
midiWrapperMock.simulateInput(playPauseButton)
assert playerMock.state == PlayerMock.PAUSED
midiWrapperMock.simulateInput(playPauseButton)
assert playerMock.state == PlayerMock.PLAYING
midiWrapperMock.simulateInput(playPauseButton)
midiWrapperMock.simulateInput(stopButton)
assert playerMock.state == PlayerMock.STOPPED
def test_jumpToAButton(uut, midiWrapperMock, soloTool, playerMock):
ab = (0.5, 0.6)
uut.connect()
soloTool.setAbLimits(ab[0], ab[1])
assert playerMock.position == 0.0
midiWrapperMock.simulateInput(101)
assert playerMock.position == ab[0]
def test_previousAndNextSongButtons(uut, midiWrapperMock, soloTool, playerMock):
nextSongButton = 119
previousSongButton = 118
songs = [
"test.flac",
"test.mp3"
]
for s in songs:
soloTool.addSong(s)
uut.connect()
assert playerMock.currentSong == None
midiWrapperMock.simulateInput(nextSongButton)
assert playerMock.currentSong == songs[0]
midiWrapperMock.simulateInput(nextSongButton)
assert playerMock.currentSong == songs[1]
midiWrapperMock.simulateInput(previousSongButton)
assert playerMock.currentSong == songs[0]
midiWrapperMock.simulateInput(previousSongButton)
assert playerMock.currentSong == songs[0]
def test_previousAndNextAbButtons(uut, midiWrapperMock, soloTool, playerMock):
nextLimitButton = 103
previousLimitButton = 102
song = "test.flac"
abLimits = [
[0.2, 0.4],
[0.1, 0.3]
]
soloTool.addSong(song)
soloTool.setSong(0)
soloTool.setAbLimitEnable(True)
for ab in abLimits:
soloTool.storeAbLimits(ab[0], ab[1])
uut.connect()
def checkLimit(aLimit, bLimit):
playerMock.position = bLimit - 0.1
soloTool.tick()
assert playerMock.position == bLimit - 0.1
playerMock.position = bLimit + 0.1
soloTool.tick()
assert playerMock.position == aLimit
checkLimit(0.0, 0.0)
midiWrapperMock.simulateInput(nextLimitButton)
checkLimit(abLimits[0][0], abLimits[0][1])
midiWrapperMock.simulateInput(nextLimitButton)
checkLimit(abLimits[1][0], abLimits[1][1])
midiWrapperMock.simulateInput(nextLimitButton)
checkLimit(abLimits[1][0], abLimits[1][1])
midiWrapperMock.simulateInput(previousLimitButton)
checkLimit(abLimits[0][0], abLimits[0][1])
midiWrapperMock.simulateInput(previousLimitButton)
checkLimit(abLimits[0][0], abLimits[0][1])
def test_playbackRateButtons(uut, midiWrapperMock, soloTool, playerMock):
playbackRateOptions = {
16 : 0.5,
17 : 0.6,
18 : 0.7,
19 : 0.8,
20 : 0.9,
21 : 1.0,
22 : 1.1,
23 : 1.2
}
uut.connect()
assert playerMock.rate == 1.0
for button in playbackRateOptions:
midiWrapperMock.simulateInput(button)
assert playerMock.rate == playbackRateOptions[button]
def test_playbackVolumeButtons(uut, midiWrapperMock, soloTool, playerMock):
playbackVolumeOptions = {
0 : 0.125,
1 : 0.250,
2 : 0.375,
3 : 0.500,
4 : 0.625,
5 : 0.750,
6 : 0.875,
7 : 1.000
}
uut.connect()
assert playerMock.volume == 1.0
for button in playbackVolumeOptions:
midiWrapperMock.simulateInput(button)
assert playerMock.volume == playbackVolumeOptions[button]
def test_unassignedButton(uut, midiWrapperMock):
unassignedButton = 48
uut.connect()
# expect no crash
midiWrapperMock.simulateInput(unassignedButton)
# XXX would be better to assert that nothing changed in the solo tool
def test_initializationMessages(uut, midiWrapperMock):
green = 124
yellow = 126
red = 3
off = 0
expectedMessages = set(
[(int(i / 8) * 16 + (i % 8), off, 0) for i in range(0, 64)] + # clear all
[(i, green, 0) for i in range(0, 8)] + # volume row
[(i, yellow, 0) for i in range(16, 22)] + # playback rate row
[
(96, red, 0),
(101, yellow, 0),
(102, red, 0),
(103, green, 0),
(112, green, 0),
(118, red, 0),
(119, green, 0)
]
)
uut.connect()
sentMessages = set()
while (not midiWrapperMock.sentMessages.empty()):
sentMessages.add(midiWrapperMock.sentMessages.get())
assert sentMessages == expectedMessages
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