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#!/usr/bin/env python3
# -*- coding: utf-8 -*-
# Copyright (C) 2005-2007 Carabos Coop. V. All rights reserved
# Copyright (C) 2008-2019 Vicent Mas. All rights reserved
#
# 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/>.
#
# Author: Vicent Mas - vmas@vitables.org
"""Test class for filenode nodes."""
import os.path
import pytest
import vitables.filenodeutils as fnutils
import vitables.vttables.filenodebuffer as fnbuffer
@pytest.mark.usefixtures('launcher', 'h5file')
class TestFilenode(object):
"""Test class for modules filenodutils and filenodebuffer."""
@pytest.fixture()
def fnode(self, h5file):
return h5file.get_node('/filenode')
def test_isFilenode(self, fnode, h5file):
# Filenode node
assert fnutils.isFilenode(fnode)
# No filenode node
node = h5file.get_node('/tables/Particles')
assert not fnutils.isFilenode(node)
def test_filenodeToFile(self, launcher, fnode):
file = fnutils.filenodeToFile(fnode)
assert os.path.isfile(file)
with open(file, 'r') as f:
lines = f.readlines()
assert lines[-1] == 'This is the last line.\n'
# We have to do this by hand because the VTApp.nodeOpen method is
# not being called
launcher.vtapp_object.filenodes_map[fnode] = file, len(lines)
def test_filenodeTotalRows(self, fnode):
assert fnutils.filenodeTotalRows(fnode) == 11
def test_fnbTotalNRows(self, fnode):
# The filenode buffer
fnb = fnbuffer.FilenodeBuffer(fnode)
assert fnb.total_nrows() == 11
def test_fnbReadBuffer(self, fnode):
# The filenode buffer
fnb = fnbuffer.FilenodeBuffer(fnode)
fnb.readBuffer(0, 100)
assert fnb.chunk[0] == ('This is a line inserted programmatically '
'at position 0\n')
assert fnb.chunk[-1] == 'This is the last line.\n'
def test_fnbGetCell(self, fnode):
# The filenode buffer
fnb = fnbuffer.FilenodeBuffer(fnode)
fnb.readBuffer(0, 100)
assert fnb.getCell(2, 5) == ('This is a line inserted '
'programmatically at position 2\n')
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