#!/usr/bin/env python
###############################################################################
# $Id$
#
# Project:  GDAL/OGR Test Suite
# Purpose:  GRASS Testing.
# Author:   Even Rouault <even dot rouault at mines dash paris dot org>
# 
###############################################################################
# Copyright (c) 2008, Even Rouault <even dot rouault at mines dash paris dot org>
# 
# 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, merge, 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
import sys
import gdal

sys.path.append( '../pymod' )

import gdaltest


###############################################################################
# Test if GRASS driver is present

def grass_1():

    try:
        gdaltest.grass_drv = gdal.GetDriverByName( 'GRASS' )
    except:
        gdaltest.grass_drv = None
        return 'skip'

    return 'success'

###############################################################################
# Read existing simple 1 band GRASS dataset.

def grass_2():

    if gdaltest.grass_drv is None:
        return 'skip'

    tst = gdaltest.GDALTest( 'GRASS', 'small_grass_dataset/demomapset/cellhd/elevation', 1, 41487 )

    srs = """PROJCS["UTM Zone 18, Northern Hemisphere",
    GEOGCS["grs80",
        DATUM["North_American_Datum_1983",
            SPHEROID["Geodetic_Reference_System_1980",6378137,298.257222101],
            TOWGS84[0.000,0.000,0.000]],
        PRIMEM["Greenwich",0],
        UNIT["degree",0.0174532925199433]],
    PROJECTION["Transverse_Mercator"],
    PARAMETER["latitude_of_origin",0],
    PARAMETER["central_meridian",-75],
    PARAMETER["scale_factor",0.9996],
    PARAMETER["false_easting",500000],
    PARAMETER["false_northing",0],
    UNIT["meter",1]]"""

    ret = tst.testOpen( check_prj = srs)
    if ret != 'success':
       gdaltest.post_reason('If that test fails, checks that the GISBASE environment variable point to the root of your GRASS install. For example GIS_BASE=/usr/local/grass-6.4.svn')
    return ret


gdaltest_list = [
    grass_1,
    grass_2
    ]


if __name__ == '__main__':

    gdaltest.setup_run( 'GRASS' )

    gdaltest.run_tests( gdaltest_list )

    gdaltest.summarize()