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from maya import cmds as MayaCmds

import os
import unittest
import util

class emptyMeshTest(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 testEmptyMeshFlag(self):

        MayaCmds.createNode('mesh', name='mesh')
        MayaCmds.rename('|polySurface1', 'trans')

        self.__files.append(util.expandFileName('emptyMeshTest.abc'))

        MayaCmds.AbcExport(j='-root trans -file ' + self.__files[-1])

        MayaCmds.AbcImport(self.__files[-1], m='open')

        self.failUnless(MayaCmds.objExists("trans"))
        self.failIf(MayaCmds.objExists("head"))