gdal/autotest/ogr/ogr_style.py

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#!/usr/bin/env pytest
# -*- coding: utf-8 -*-
###############################################################################
# $Id$
#
# Project: GDAL/OGR Test Suite
# Purpose: Style testing.
# Author: Even Rouault <even dot rouault at spatialys.com>
#
###############################################################################
# Copyright (c) 2014, 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, 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 gdaltest
import pytest
from osgeo import gdal, ogr
###############################################################################
#
#
def test_ogr_style_styletable():
style_table = ogr.StyleTable()
style_table.AddStyle(
"style1_normal", 'SYMBOL(id:"http://style1_normal",c:#67452301)'
)
with pytest.raises(Exception):
style_table.SaveStyleTable("/nonexistingdir/nonexistingfile")
assert style_table.SaveStyleTable("/vsimem/out.txt") == 1
style_table = None
style_table = ogr.StyleTable()
with pytest.raises(Exception):
style_table.LoadStyleTable("/nonexistent")
assert style_table.LoadStyleTable("/vsimem/out.txt") == 1
gdal.Unlink("/vsimem/out.txt")
with gdaltest.error_handler():
ret = style_table.Find("non_existing_style")
assert ret is None
assert (
style_table.Find("style1_normal")
== 'SYMBOL(id:"http://style1_normal",c:#67452301)'
)
style = style_table.GetNextStyle()
assert style == 'SYMBOL(id:"http://style1_normal",c:#67452301)'
style_name = style_table.GetLastStyleName()
assert style_name == "style1_normal"
style = style_table.GetNextStyle()
assert style is None
style_table.ResetStyleStringReading()
style = style_table.GetNextStyle()
assert style is not None
# GetStyleTable()/SetStyleTable() on data source
ds = ogr.GetDriverByName("Memory").CreateDataSource("")
assert ds.GetStyleTable() is None
ds.SetStyleTable(None)
assert ds.GetStyleTable() is None
ds.SetStyleTable(style_table)
style_table2 = ds.GetStyleTable()
style = style_table2.GetNextStyle()
assert style == 'SYMBOL(id:"http://style1_normal",c:#67452301)'
# GetStyleTable()/SetStyleTable() on layer
lyr = ds.CreateLayer("foo")
assert lyr.GetStyleTable() is None
lyr.SetStyleTable(None)
assert lyr.GetStyleTable() is None
lyr.SetStyleTable(style_table)
style_table2 = lyr.GetStyleTable()
style = style_table2.GetNextStyle()
assert style == 'SYMBOL(id:"http://style1_normal",c:#67452301)'
ds = None