#!/usr/bin/env pytest
###############################################################################
# $Id$
#
# Project:  GDAL/OGR Test Suite
# Purpose:  gdal_fillnodata.py testing
# Author:   Even Rouault <even dot rouault @ spatialys.com>
#
###############################################################################
# Copyright (c) 2010, Even Rouault <even dot rouault at spatialys.com>
#
# Permission is hereby granted, free of charge, to any person obtaining a
# copy of this software and associated documentation files (the "Software"),
# to deal in the Software without restriction, including without limitation
# the rights to use, copy, modify, fillnodata, publish, distribute, sublicense,
# and/or sell copies of the Software, and to permit persons to whom the
# Software is furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included
# in all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
# OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
# THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
# DEALINGS IN THE SOFTWARE.
###############################################################################


import os


from osgeo import gdal
import test_py_scripts
import pytest

###############################################################################
# Dummy test : there is no nodata value in the source dataset !


def test_gdal_fillnodata_1():

    script_path = test_py_scripts.get_py_script('gdal_fillnodata')
    if script_path is None:
        pytest.skip()

    test_py_scripts.run_py_script(script_path, 'gdal_fillnodata', '../gcore/data/byte.tif tmp/test_gdal_fillnodata_1.tif')

    ds = gdal.Open('tmp/test_gdal_fillnodata_1.tif')
    assert ds.GetRasterBand(1).Checksum() == 4672
    ds = None

###############################################################################
# Make sure we copy the no data value to the dst when created
# No data value for nodata_byte.tif is 0.


def test_gdal_fillnodata_2():

    script_path = test_py_scripts.get_py_script('gdal_fillnodata')
    if script_path is None:
        pytest.skip()

    test_py_scripts.run_py_script(script_path, 'gdal_fillnodata', '../gcore/data/nodata_byte.tif tmp/test_gdal_fillnodata_2.tif')

    ds = gdal.Open('tmp/test_gdal_fillnodata_2.tif')
    assert ds.GetRasterBand(1).GetNoDataValue() == 0, \
        'Failed to copy No Data Value to dst dataset.'
    ds = None


###############################################################################
# Cleanup

def test_gdal_fillnodata_cleanup():

    lst = ['tmp/test_gdal_fillnodata_1.tif', 'tmp/test_gdal_fillnodata_2.tif']
    for filename in lst:
        try:
            os.remove(filename)
        except OSError:
            pass

    



