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test.py
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#!/usr/bin/env python3
# coding=utf-8
# ly2video - generate performances video from LilyPond source files
# Copyright (C) 2012 Jiri "FireTight" Szabo
# Copyright (C) 2012 Adam Spiers
# Copyright (C) 2014 Emmanuel Leguy
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
# For more information about this program, please visit
# <https://github.com/aspiers/ly2video/>.
import unittest
from ly2video.video import *
from ly2video.synchro import *
from PIL import Image
class TimeCodeTest (unittest.TestCase):
def setUp(self):
self.timecode = TimeCode([0,384,768,1152],[(0,60.0)], 384, 30.0)
def testTicksToSecs_withNullInterval (self):
for tempo in range (1,300):
self.timecode.tempo = float(tempo)
secsSinceStartIndex = self.timecode.ticksToSecs(0, 0)
self.assertEqual(secsSinceStartIndex, 0.0, "")
def testTicksToSecs_withOneSecInterval (self):
secsSinceStartIndex = self.timecode.ticksToSecs(0, 384)
self.assertEqual(secsSinceStartIndex, 1.0, "")
def testTicksToSecs_withTwoSecInterval (self):
secsSinceStartIndex = self.timecode.ticksToSecs(0, 768)
self.assertEqual(secsSinceStartIndex, 2.0, "")
def testTicksToSecs_withOtherTempo (self):
self.timecode.tempo = 90.0
secsSinceStartIndex = self.timecode.ticksToSecs(0, 1152)
self.assertEqual(secsSinceStartIndex, 2.0, "")
def testSecsElapsedForTempoChanges (self):
self.timecode.temposList = [(0, 60.0),(1152, 90.0),(3456, 60.0)]
result = self.timecode.secsElapsedForTempoChanges(startTick = 0, endTick = 1152)
self.assertEqual(result,3.0,"")
result = self.timecode.secsElapsedForTempoChanges(startTick = 0, endTick = 3456)
self.assertEqual(result,6.0,"")
result = self.timecode.secsElapsedForTempoChanges(startTick = 1152, endTick = 3456)
self.assertEqual(result,4.0,"")
result = self.timecode.secsElapsedForTempoChanges(startTick = 3456, endTick = 4608)
self.assertEqual(result,3.0,"")
result = self.timecode.secsElapsedForTempoChanges(startTick = 0, endTick = 4608)
self.assertEqual(result,12.0,"")
def testNbFramesToNextNote(self):
self.assertEqual(self.timecode.nbFramesToNextNote(), 30, "")
def testNbFramesToNextNote_withApprox_plus(self):
self.timecode = TimeCode([0,380,768,1152],[(0,60.0)], 384, 30.0)
self.assertEqual(self.timecode.nbFramesToNextNote(), 30, "")
def testNbFramesToNextNote_withApprox_minus(self):
self.timecode = TimeCode([0,390,768,1152],[(0,60.0)], 384, 30.0)
self.assertEqual(self.timecode.nbFramesToNextNote(), 30, "")
def testNbFramesToNextNote_withApprox_correction(self):
self.timecode = TimeCode([0,370,768,1152],[(0,60.0)], 384, 30.0)
self.assertEqual(self.timecode.nbFramesToNextNote(), 29, "")
self.timecode.goToNextNote()
self.assertEqual(self.timecode.nbFramesToNextNote(), 31, "")
def testNbFramesToNextNote_withTempoChange(self):
self.timecode = TimeCode([0,384,768,1152],[(0,60.0),(384,90.0),(768,60.0)], 384, 30.0)
self.assertEqual(self.timecode.nbFramesToNextNote(), 30, "")
self.timecode.goToNextNote()
self.assertEqual(self.timecode.nbFramesToNextNote(), 20, "")
self.timecode.goToNextNote()
self.assertEqual(self.timecode.nbFramesToNextNote(), 30, "")
def testNbFramesToNextNote_withTempoChange_withApproxCorrection(self):
self.timecode = TimeCode([0,370,768,1152],[(0,60.0),(370,90.0),(768,60.0)], 384, 30.0)
self.assertEqual(self.timecode.nbFramesToNextNote(), 29, "")
self.timecode.goToNextNote()
self.assertEqual(self.timecode.nbFramesToNextNote(), 21, "")
self.timecode.goToNextNote()
self.assertEqual(self.timecode.nbFramesToNextNote(), 30, "")
def testGotToNextNote (self):
self.assertEqual(self.timecode.currentOffset, 0, "")
self.assertEqual(self.timecode.nextOffset, 1, "")
self.timecode.goToNextNote()
self.assertEqual(self.timecode.currentOffset, 1, "")
self.assertEqual(self.timecode.nextOffset, 2, "")
def testGotToNextNote_withScoreImageNotification (self):
image = ScoreImage(16,16,Image.new("RGB",(16,16),(0,0,0)), [0,1,2,3], [])
self.timecode.registerObserver(image)
self.timecode.goToNextNote()
self.assertEqual(image.currentXposition,1,"")
def testGotToNextNote_withSlideShowNotification (self):
image = Image.new("RGB",(16,16),(0,0,0))
image.save("test0000.0000.png")
slideshow = SlideShow("test")
self.timecode.registerObserver(slideshow)
self.timecode.goToNextNote()
self.assertEqual(slideshow.startOffset,1.0,"")
os.remove("test0000.0000.png")
def testCompleteFollowing (self):
scoreimage = ScoreImage(16,16,Image.new("RGB",(16,16),(0,0,0)), [0,1,2,3], [])
image = Image.new("RGB",(16,16),(0,0,0))
image.save("test0000.0000.png")
slideshow = SlideShow("test")
self.timecode.registerObserver(scoreimage)
self.timecode.registerObserver(slideshow)
memPos = scoreimage.currentXposition
memOffset = slideshow.startOffset
while not self.timecode.atEnd():
self.timecode.goToNextNote()
# has the scoreImage position changed?
self.assertNotEqual(scoreimage.currentXposition, memPos, "")
memPos = scoreimage.currentXposition
# has the slideshow current offset changed?
self.assertNotEqual(slideshow.startOffset, memOffset, "")
memOffset = slideshow.startOffset
os.remove("test0000.0000.png")
def testNotAtEnd(self):
self.assertFalse(self.timecode.atEnd(), "")
def testAtEnd(self):
self.timecode.goToNextNote()
self.timecode.goToNextNote()
self.assertTrue(self.timecode.atEnd(), "")
class ScoreImageTest (unittest.TestCase):
def setUp(self):
image = Image.new("RGB",(1000,200),(255,255,255))
self.blankImage = ScoreImage(1000,200,image, [], [])
image = Image.new("RGB",(1000,200),(255,255,255))
image.putpixel((500,50),(0,0,0))
image.putpixel((500,149),(0,0,0))
self.pointsImage = ScoreImage(1000,200,image, [], [])
# PRIVATE METHODS
# __isLineBlank
def test__IsLineBlank (self):
image = Image.new("RGB",(16,16),(255,255,255))
for x in range(16) : image.putpixel((x,8),(0,0,0))
pixels = image.load()
w, h = image.size
self.assertTrue(self.blankImage._ScoreImage__isLineBlank(pixels, w, 0), "Line should be blank")
self.assertFalse(self.blankImage._ScoreImage__isLineBlank(pixels, w, 8), "Line should not be blank")
def test__IsLineBlank_withLineAlmostBlack (self):
image = Image.new("RGB",(16,16),(255,255,255))
for x in range(15) : image.putpixel((x,10),(0,0,0))
w, h = image.size
pixels = image.load()
self.assertFalse(self.blankImage._ScoreImage__isLineBlank(pixels, w, 10), "Line should not be blank")
def test__IsLineBlank_withLineAlmostBlank (self):
image = Image.new("RGB",(16,16),(255,255,255))
image.putpixel((4,4),(0,0,0))
w, h = image.size
pixels = image.load()
self.assertFalse(self.blankImage._ScoreImage__isLineBlank(pixels, w, 4), "Line should not be blank")
# __setCropTopAndBottom
def test__setCropTopAndBottom_withBlackImage(self):
blackImage = ScoreImage(16,16,Image.new("RGB",(16,16),(0,0,0)), [], [])
blackImage._ScoreImage__setCropTopAndBottom()
self.assertEqual(blackImage._ScoreImage__cropTop, 0, "Bad cropTop!")
self.assertEqual(blackImage._ScoreImage__cropBottom, 16, "Bad cropBottom!")
def test__setCropTopAndBottom_withBlackImageTooSmall(self):
blackImage = ScoreImage(16,17,Image.new("RGB",(16,16),(0,0,0)), [], [])
with self.assertRaises(SystemExit) as cm:
blackImage._ScoreImage__setCropTopAndBottom()
self.assertEqual(cm.exception.code, 1)
def test__setCropTopAndBottom_withBlackImageTooBig(self):
blackImage = ScoreImage(16,17,Image.new("RGB",(16,16),(0,0,0)), [], [])
with self.assertRaises(SystemExit) as cm:
blackImage._ScoreImage__setCropTopAndBottom()
self.assertEqual(cm.exception.code, 1)
def test__setCropTopAndBottom_withBlackPoint(self):
image = Image.new("RGB",(16,16),(255,255,255))
image.putpixel((8,8),(0,0,0))
blackPointImage = ScoreImage(16,9,image, [], [])
#blackPointImage.areaHeight = 9
blackPointImage._ScoreImage__setCropTopAndBottom()
self.assertEqual(blackPointImage._ScoreImage__cropTop, 4, "Bad cropTop!")
self.assertEqual(blackPointImage._ScoreImage__cropBottom, 13, "Bad cropBottom!")
def test__setCropTopAndBottom_withNonCenteredContent(self):
image = Image.new("RGB",(30,30),(255,255,255))
image.putpixel((8,4),(0,0,0))
image.putpixel((8,12),(0,0,0))
scoreImage = ScoreImage(16,20,Image.new("RGB",(16,16),(0,0,0)), [], [])
with self.assertRaises(SystemExit) as cm:
scoreImage._ScoreImage__setCropTopAndBottom()
self.assertEqual(cm.exception.code, 1)
def test__setCropTopAndBottom_withVideoHeightTooSmall(self):
image = Image.new("RGB",(16,16),(255,255,255))
image.putpixel((8,4),(0,0,0))
image.putpixel((8,12),(0,0,0))
scoreImage = ScoreImage(16,8,Image.new("RGB",(16,16),(0,0,0)), [], [])
with self.assertRaises(SystemExit) as cm:
scoreImage._ScoreImage__setCropTopAndBottom()
self.assertEqual(cm.exception.code, 1)
# __cropFrame
def test__cropFrame(self):
image = Image.new("RGB",(1000,200),(255,255,255))
ox=20
for x in range(51) : image.putpixel((x+ox,20),(0,0,0))
scoreImage = ScoreImage(200,40,image, [], [])
index = 70
areaFrame, cursorX = scoreImage._ScoreImage__cropFrame(index)
w,h = areaFrame.size
self.assertEqual(w, 200, "")
self.assertEqual(h, 40, "")
self.assertEqual(cursorX, 97 , "")
def test__cropFrame_withIndexHigherThanWidth (self):
image = Image.new("RGB",(1000,200),(255,255,255))
ox=20
for x in range(51) : image.putpixel((x+ox,20),(0,0,0))
scoreImage = ScoreImage(200,40,image, [], [])
index = 200
areaFrame, cursorX = scoreImage._ScoreImage__cropFrame(index)
w,h = areaFrame.size
self.assertEqual(w, 200, "")
self.assertEqual(h, 40, "")
self.assertEqual(cursorX, 50 , "")
def test__cropFrame_changeCropping (self):
image = Image.new("RGB",(1000,200),(255,255,255))
ox=20
for x in range(51) : image.putpixel((x+ox,20),(0,0,0))
scoreImage = ScoreImage(500,40,image, [], [], 50, 200)
areaFrame, cursorX = scoreImage._ScoreImage__cropFrame(index = 300)
# must be tequal to left margin
self.assertEqual(cursorX, 50 , "")
def test__cropFrame_lastCropping (self):
image = Image.new("RGB",(1000,200),(255,255,255))
ox=20
for x in range(51) : image.putpixel((x+ox,20),(0,0,0))
scoreImage = ScoreImage(500,40,image, [], [], 50, 200)
# # first picture cropping
# areaFrame = scoreImage._ScoreImage__cropFrame(index = 100)
# self.assertEqual(areaFrame.cursorX, 127 , "")
# areaFrame = scoreImage._ScoreImage__cropFrame(index = 200)
# self.assertEqual(areaFrame.cursorX, 227 , "")
# # second picture cropping
# areaFrame = scoreImage._ScoreImage__cropFrame(index = 300)
# self.assertEqual(areaFrame.cursorX, 50 , "")
# areaFrame = scoreImage._ScoreImage__cropFrame(index = 400)
# self.assertEqual(areaFrame.cursorX, 150 , "")
# areaFrame = scoreImage._ScoreImage__cropFrame(index = 500)
# self.assertEqual(areaFrame.cursorX, 250 , "")
# third (last) picture cropping
areaFrame, cursorX = scoreImage._ScoreImage__cropFrame(index = 600)
self.assertEqual(cursorX, 50 , "")
areaFrame, cursorX = scoreImage._ScoreImage__cropFrame(index = 700)
self.assertEqual(cursorX, 200 , "")
areaFrame, cursorX = scoreImage._ScoreImage__cropFrame(index = 800)
self.assertEqual(cursorX, 300 , "")
areaFrame, cursorX = scoreImage._ScoreImage__cropFrame(index = 900)
self.assertEqual(cursorX, 400 , "")
# Must overflow of the right margin for the last cropping.
self.assertGreater(cursorX, 300, "")
# No new cropping. For a new cropping the cursor position is equals to left margin.
self.assertNotEqual(cursorX, 50, "")
def test__init__Xposition(self):
image = Image.new("RGB",(1000,200),(255,255,255))
scoreImage = ScoreImage(500,40,image, [1,2,3], [], 50, 200)
self.assertEqual(scoreImage.currentXposition, 1, "")
def testMoveToNextNote(self):
image = Image.new("RGB",(1000,200),(255,255,255))
scoreImage = ScoreImage(500,40,image, [1,2,3], [], 50, 200)
scoreImage.moveToNextNote()
self.assertEqual(scoreImage.currentXposition, 2, "")
def testTravelToNextNote (self):
image = Image.new("RGB",(1000,200),(255,255,255))
scoreImage = ScoreImage(500,40,image, [10,20,30], [], 50, 200)
self.assertEqual(scoreImage.travelToNextNote, 10, "")
# PUBLIC METHODS
# topCroppable
def testTopCroppable_withBlackImage (self):
blackImage = ScoreImage(16,16,Image.new("RGB",(16,16),(0,0,0)), [], [])
self.assertEqual(blackImage.topCroppable, 0, "Bad topMarginSize")
def testTopCroppable_withBlankImage (self):
def testTopCroppable(image):
return image.topCroppable
blankImage = ScoreImage(16,16,Image.new("RGB",(16,16),(255,255,255)), [], [])
self.assertRaises(BlankScoreImageError,testTopCroppable,blankImage)
def testTopCroppable_withHorizontalBlackLine (self):
image = Image.new("RGB",(16,16),(255,255,255))
for x in range(16) : image.putpixel((x,8),(0,0,0))
blackImage = ScoreImage(16,16,image, [], [])
self.assertEqual(blackImage.topCroppable, 8, "Bad topMarginSize")
def testTopCroppable_withBlackPoint (self):
image = Image.new("RGB",(16,16),(255,255,255))
image.putpixel((8,8),(0,0,0))
blackImage = ScoreImage(16,16,image, [], [])
self.assertEqual(blackImage.topCroppable, 8, "Bad topMarginSize")
# bottomCroppable
def testBottomCroppable_withBlackImage (self):
blackImage = ScoreImage(16, 16, Image.new("RGB",(16,16),(0,0,0)), [], [])
self.assertEqual(blackImage.bottomCroppable, 0, "Bad bottomMarginSize")
def testBottomCroppable_withBlankImage (self):
def testBottomCroppable(image):
return image.bottomCroppable
blankImage = ScoreImage(16, 16, Image.new("RGB",(16,16),(255,255,255)), [], [])
self.assertRaises(BlankScoreImageError,testBottomCroppable,blankImage)
def testBottomCroppable_withHorizontalBlackLine (self):
image = Image.new("RGB",(16,16),(255,255,255))
for x in range(16) : image.putpixel((x,8),(0,0,0))
blackImage = ScoreImage(16, 16, image, [], [])
self.assertEqual(blackImage.bottomCroppable, 7, "Bad topMarginSize")
def testBottomCroppable_withBlackPoint (self):
image = Image.new("RGB",(16,16),(255,255,255))
image.putpixel((8,8),(0,0,0))
blackImage = ScoreImage(16, 16, image, [], [])
self.assertEqual(blackImage.bottomCroppable, 7, "Bad topMarginSize")
# makeFrame
def testMakeFrame (self):
image = Image.new("RGB",(1000,200),(255,255,255))
ox=20
for x in range(51) : image.putpixel((x+ox,20),(0,0,0))
scoreImage = ScoreImage(200, 40, image, [70, 100], [])
scoreImage.areaWidth = 200
scoreImage.areaHeight = 40
areaFrame = scoreImage.makeFrame(numFrame = 10, among = 30)
w,h = areaFrame.size
self.assertEqual(w, 200, "")
self.assertEqual(h, 40, "")
class CursorsTest (unittest.TestCase):
def testWriteCursorLine (self):
frame = Image.new("RGB",(16,16),(255,255,255))
writeCursorLine(frame, 10, (255,0,0))
for i in range (16):
self.assertEqual(frame.getpixel((10,i)), (255,0,0), "")
def testWriteCursorLineOut (self):
frame = Image.new("RGB",(16,16),(255,255,255))
self.assertRaises(Exception, writeCursorLine, frame, 20)
def testWriteMeasureCursor (self):
frame = Image.new("RGB",(16,16),(255,255,255))
writeMeasureCursor(frame, 5, 10, (255,0,0))
for i in range (5):
self.assertEqual(frame.getpixel((5+i,14)), (255,0,0), "")
def testWriteMeasureCursorOut (self):
frame = Image.new("RGB",(16,16),(255,255,255))
self.assertRaises(Exception, writeMeasureCursor, frame, 20, 30, (255,0,0))
class VideoFrameWriterTest(unittest.TestCase):
def setUp(self):
self.frameWriter = VideoFrameWriter(
fps = 30.0,
cursorLineColor = (255,0,0),
midiResolution = 384,
midiTicks = [0, 384, 768, 1152, 1536],
temposList = [(0, 60.0)]
)
self.image = Image.new("RGB",(16,16),(255,255,255))
for x in range(16) : self.image.putpixel((x,8),(0,0,0))
def testPush (self):
frameWriter = VideoFrameWriter(30.0,(255,0,0),384.0,[0,384,768,1152],[(0,60.0)])
frameWriter.scoreImage = Media(1000,200)
frameWriter.push(Media(100, 100))
self.assertEqual(frameWriter.height, 300)
def testScoreImageSetter (self):
frameWriter = VideoFrameWriter(30.0,(255,0,0),384.0,[0,384,768,1152],[(0,60.0)])
frameWriter.scoreImage = ScoreImage(1000,200,Image.new("RGB",(1000,200),(255,255,255)), [], [])
self.assertEqual(frameWriter.width, 1000)
self.assertEqual(frameWriter.height, 200)
def testFindStaffLinesInImage (self):
image = Image.new("RGB",(1000,200),(255,255,255))
for x in range(51) : image.putpixel((x+20,20),(0,0,0))
staffX, staffYs = findStaffLinesInImage(image, 50)
self.assertEqual(staffX, 23, "")
self.assertEqual(staffYs[0], 20, "")
if __name__ == "__main__":
unittest.main()