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from maya import cmds as MayaCmds
import os
import unittest
import util

class AnimPointPrimitiveTest(unittest.TestCase):

    def setUp(self):
        MayaCmds.file(new=True, force=True)
        self.__files = []


    def tearDown(self):
        for f in self.__files:
            os.remove(f)

    def testAnimPointPrimitiveReadWrite(self):

        # Creates a point emitter.
        MayaCmds.emitter(dx=1, dy=0, dz=0, sp=0.33, pos=(1, 1, 1),
            n='myEmitter')

        MayaCmds.particle(n='emittedParticles')
        MayaCmds.setAttr('emittedParticles.lfm', 2)
        MayaCmds.setAttr('emittedParticles.lifespan', 50)
        MayaCmds.setAttr('emittedParticles.lifespanRandom', 2)
        MayaCmds.connectDynamic('emittedParticles', em='myEmitter')

        self.__files.append(util.expandFileName('testAnimParticleReadWrite.abc'))
        MayaCmds.AbcExport(j='-fr 1 24 -root emittedParticles -file ' + self.__files[-1])

        # reading test
        MayaCmds.AbcImport(self.__files[-1], mode='open')

        # reading animated point clouds into Maya aren't fully supported
        # yet which is why we don't have any checks on the data here