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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
LED_RED = 3
LED_YELLOW = 126
LED_GREEN = 124
LED_OFF = 0
class MidiWrapperMock:
def __init__(self):
self.callback = None
self.connectedDevice = None
self.sentMessages = list()
def setCallback(self, callback):
self.callback = callback
def connect(self, deviceName):
self.connectedDevice = deviceName
def sendMessage(self, note, velocity, channel):
self.sentMessages.append((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)
def getLatestMessage(self):
return self.sentMessages[-1]
@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
msg = midiWrapperMock.getLatestMessage()
assert msg == (playPauseButton, MidiController.LED_GREEN, 0)
midiWrapperMock.simulateInput(stopButton)
assert playerMock.state == PlayerMock.STOPPED
assert midiWrapperMock.getLatestMessage() == (playPauseButton, MidiController.LED_YELLOW, 0)
midiWrapperMock.simulateInput(playPauseButton)
assert midiWrapperMock.getLatestMessage() == (playPauseButton, MidiController.LED_GREEN, 0)
midiWrapperMock.simulateInput(playPauseButton)
assert midiWrapperMock.getLatestMessage() == (playPauseButton, MidiController.LED_YELLOW, 0)
assert playerMock.state == PlayerMock.PAUSED
midiWrapperMock.simulateInput(playPauseButton)
assert midiWrapperMock.getLatestMessage() == (playPauseButton, MidiController.LED_GREEN, 0)
assert playerMock.state == PlayerMock.PLAYING
midiWrapperMock.simulateInput(playPauseButton)
assert midiWrapperMock.getLatestMessage() == (playPauseButton, MidiController.LED_YELLOW, 0)
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, [LED_YELLOW] * 1 + [LED_OFF] * 7),
17 : (0.6, [LED_YELLOW] * 2 + [LED_OFF] * 6),
18 : (0.7, [LED_YELLOW] * 3 + [LED_OFF] * 5),
19 : (0.8, [LED_YELLOW] * 4 + [LED_OFF] * 4),
20 : (0.9, [LED_YELLOW] * 5 + [LED_OFF] * 3),
21 : (1.0, [LED_YELLOW] * 6 + [LED_OFF] * 2),
22 : (1.1, [LED_YELLOW] * 7 + [LED_OFF] * 1),
23 : (1.2, [LED_YELLOW] * 8)
}
uut.connect()
assert playerMock.rate == 1.0
for t, button in enumerate(playbackRateOptions):
midiWrapperMock.sentMessages.clear()
midiWrapperMock.simulateInput(button)
assert playerMock.rate == playbackRateOptions[button][0]
for i, colour in enumerate(playbackRateOptions[button][1]):
assert midiWrapperMock.sentMessages[i] == (16 + i, colour, 0)
def test_playbackVolumeButtons(uut, midiWrapperMock, soloTool, playerMock):
playbackVolumeOptions = {
0 : (0.125, [LED_GREEN] * 1 + [LED_OFF] * 7),
1 : (0.250, [LED_GREEN] * 2 + [LED_OFF] * 6),
2 : (0.375, [LED_GREEN] * 3 + [LED_OFF] * 5),
3 : (0.500, [LED_GREEN] * 4 + [LED_OFF] * 4),
4 : (0.625, [LED_GREEN] * 5 + [LED_OFF] * 3),
5 : (0.750, [LED_GREEN] * 6 + [LED_OFF] * 2),
6 : (0.875, [LED_GREEN] * 7 + [LED_OFF] * 1),
7 : (1.000, [LED_GREEN] * 8)
}
uut.connect()
assert playerMock.volume == 1.0
for t, button in enumerate(playbackVolumeOptions):
midiWrapperMock.sentMessages.clear()
midiWrapperMock.simulateInput(button)
assert playerMock.volume == playbackVolumeOptions[button][0]
for i, colour in enumerate(playbackVolumeOptions[button][1]):
assert midiWrapperMock.sentMessages[i] == (i, colour, 0)
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):
expectedMessages = set(
[(int(i / 8) * 16 + (i % 8), LED_OFF, 0) for i in range(0, 64)] + # clear all
[(i, LED_GREEN, 0) for i in range(0, 8)] + # volume row
[(i, LED_YELLOW, 0) for i in range(16, 22)] + # playback rate row
[
(96, LED_RED, 0),
(101, LED_YELLOW, 0),
(102, LED_RED, 0),
(103, LED_GREEN, 0),
(112, LED_YELLOW, 0),
(118, LED_RED, 0),
(119, LED_GREEN, 0)
]
)
uut.connect()
sentMessagesSet = set(midiWrapperMock.sentMessages)
assert sentMessagesSet == expectedMessages
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