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SLD parsing: handling ogc:Literal within CssParameter

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jgrocha committed Jan 17, 2017
1 parent 2de18c9 commit 5c2fec325a849935ead8d1abef0c25405bcd2bf8
@@ -104,6 +104,7 @@ ADD_PYTHON_TEST(PyQgsSQLStatement test_qgssqlstatement.py)
ADD_PYTHON_TEST(PyQgsStringStatisticalSummary test_qgsstringstatisticalsummary.py)
ADD_PYTHON_TEST(PyQgsSymbolLayer test_qgssymbollayer.py)
ADD_PYTHON_TEST(PyQgsSymbolLayerCreateSld test_qgssymbollayer_createsld.py)
ADD_PYTHON_TEST(PyQgsSymbolLayerReadSld test_qgssymbollayer_readsld.py)
ADD_PYTHON_TEST(PyQgsArrowSymbolLayer test_qgsarrowsymbollayer.py)
ADD_PYTHON_TEST(PyQgsSymbolExpressionVariables test_qgssymbolexpressionvariables.py)
ADD_PYTHON_TEST(PyQgsSyntacticSugar test_syntactic_sugar.py)
@@ -0,0 +1,75 @@
# -*- coding: utf-8 -*-

"""
***************************************************************************
test_qgssymbollayer_readsld.py
---------------------
Date : January 2017
Copyright : (C) 2017, Jorge Gustavo Rocha
Email : jgr at di dot uminho dot pt
***************************************************************************
* *
* 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 2 of the License, or *
* (at your option) any later version. *
* *
***************************************************************************
"""

__author__ = 'Jorge Gustavo Rocha'
__date__ = 'January 2017'
__copyright__ = '(C) 2017, Jorge Gustavo Rocha'
# This will get replaced with a git SHA1 when you do a git archive
__revision__ = '$Format:%H$'

import qgis # NOQA

import os
from qgis.testing import start_app, unittest
from qgis.core import (QgsVectorLayer,
QgsProject,
QgsRectangle,
QgsMultiRenderChecker,
QgsSingleSymbolRenderer,
QgsFillSymbol,
QgsFeatureRequest
)
from qgis.testing import unittest
from qgis.testing.mocked import get_iface
from utilities import unitTestDataPath

start_app()

TEST_DATA_DIR = unitTestDataPath()

class TestQgsSymbolLayerReadSld(unittest.TestCase):

"""
This class loads an SLD style and checks if the styling was properly applied
"""

def setUp(self):
self.iface = get_iface()
myShpFile = os.path.join(TEST_DATA_DIR, 'streams.shp')
self.layer = QgsVectorLayer(myShpFile, 'streams', 'ogr')
mFilePath = os.path.join(TEST_DATA_DIR, 'symbol_layer/external_sld/simple_streams.sld')
self.layer.loadSldStyle(mFilePath)
self.props = self.layer.renderer().symbol().symbolLayers()[0].properties()

def testLineColor(self):
# stroke CSSParameter within ogc:Literal
# expected color is #003EBA, RGB 0,62,186
self.assertEqual(self.layer.renderer().symbol().symbolLayers()[0].color().name(), '#003eba')

def testLineWidth(self):
# stroke-width CSSParameter within ogc:Literal
self.assertEqual(self.props['line_width'], '2')

def testLineOpacity(self):
# stroke-opacity CSSParameter NOT within ogc:Literal
# stroke-opacity=0.1
self.assertEqual(self.props['line_color'], '0,62,186,25')

if __name__ == '__main__':
unittest.main()
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PROJCS["NAD27 / UTM zone 13N", GEOGCS["NAD27", DATUM["North American Datum 1927", SPHEROID["Clarke 1866", 6378206.4, 294.9786982138982, AUTHORITY["EPSG","7008"]], TOWGS84[-4.2, 135.4, 181.9, 0.0, 0.0, 0.0, 0.0], AUTHORITY["EPSG","6267"]], PRIMEM["Greenwich", 0.0, AUTHORITY["EPSG","8901"]], UNIT["degree", 0.017453292519943295], AXIS["Geodetic longitude", EAST], AXIS["Geodetic latitude", NORTH], AUTHORITY["EPSG","4267"]], PROJECTION["Transverse Mercator", AUTHORITY["EPSG","9807"]], PARAMETER["central_meridian", -105.0], PARAMETER["latitude_of_origin", 0.0], PARAMETER["scale_factor", 0.9996], PARAMETER["false_easting", 500000.0], PARAMETER["false_northing", 0.0], UNIT["m", 1.0], AXIS["Easting", EAST], AXIS["Northing", NORTH], AUTHORITY["EPSG","26713"]]
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@@ -0,0 +1,30 @@
<?xml version="1.0" encoding="UTF-8"?>
<StyledLayerDescriptor version="1.0.0" xmlns="http://www.opengis.net/sld" xmlns:ogc="http://www.opengis.net/ogc"
xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://www.opengis.net/sld http://schemas.opengis.net/sld/1.0.0/StyledLayerDescriptor.xsd">
<NamedLayer>
<Name>Simple Streams</Name>
<UserStyle>

<Title>Default Styler for streams segments</Title>
<Abstract>Blue lines, 2px wide</Abstract>
<FeatureTypeStyle>
<FeatureTypeName>Feature</FeatureTypeName>
<Rule>
<Title>Streams</Title>
<LineSymbolizer>
<Stroke>
<CssParameter name="stroke">
<ogc:Literal>#003EBA</ogc:Literal>
</CssParameter>
<CssParameter name="stroke-width">
<ogc:Literal>2</ogc:Literal>
</CssParameter>
<CssParameter name="stroke-opacity">0.1</CssParameter>
</Stroke>
</LineSymbolizer>
</Rule>
</FeatureTypeStyle>
</UserStyle>
</NamedLayer>
</StyledLayerDescriptor>

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