gdal/autotest/pyscripts/gdal2tiles/test_reproject_dataset.py

87 строки
3.4 KiB
Python

#!/usr/bin/env pytest
# -*- coding: utf-8 -*-
###############################################################################
# $Id$
#
# Project: GDAL/OGR Test Suite
# Purpose: gdal2tiles.py testing
# Author: Gregory Bataille <gregory.bataille@gmail.com>
#
###############################################################################
# Copyright (c) 2017, Gregory Bataille <gregory.bataille@gmail.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, 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.
###############################################################################
from unittest import TestCase, mock
from osgeo import gdal, osr
from osgeo_utils import gdal2tiles
class AttrDict(dict):
def __init__(self, *args, **kwargs):
super(AttrDict, self).__init__(*args, **kwargs)
self.__dict__ = self
class ReprojectDatasetTest(TestCase):
def setUp(self):
self.DEFAULT_OPTIONS = {
"verbose": True,
"resampling": "near",
"title": "",
"url": "",
}
self.DEFAULT_ATTRDICT_OPTIONS = AttrDict(self.DEFAULT_OPTIONS)
self.mercator_srs = osr.SpatialReference()
self.mercator_srs.ImportFromEPSG(3857)
self.geodetic_srs = osr.SpatialReference()
self.geodetic_srs.ImportFromEPSG(4326)
def test_raises_if_no_from_or_to_srs(self):
with self.assertRaises(gdal2tiles.GDALError):
gdal2tiles.reproject_dataset(None, None, self.mercator_srs)
with self.assertRaises(gdal2tiles.GDALError):
gdal2tiles.reproject_dataset(None, self.mercator_srs, None)
def test_returns_dataset_unchanged_if_in_destination_srs_and_no_gcps(self):
from_ds = mock.MagicMock()
from_ds.GetGCPCount = mock.MagicMock(return_value=0)
to_ds = gdal2tiles.reproject_dataset(
from_ds, self.mercator_srs, self.mercator_srs
)
self.assertEqual(from_ds, to_ds)
@mock.patch("osgeo_utils.gdal2tiles.gdal", spec=gdal)
def test_returns_warped_vrt_dataset_when_from_srs_different_from_to_srs(
self, mock_gdal
):
mock_gdal.AutoCreateWarpedVRT = mock.MagicMock(spec=gdal.Dataset)
from_ds = mock.MagicMock(spec=gdal.Dataset)
from_ds.GetGCPCount = mock.MagicMock(return_value=0)
gdal2tiles.reproject_dataset(from_ds, self.mercator_srs, self.geodetic_srs)
mock_gdal.AutoCreateWarpedVRT.assert_called_with(
from_ds, self.mercator_srs.ExportToWkt(), self.geodetic_srs.ExportToWkt()
)