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tests/src/python/test_qgsgeometrygeneratorsymbollayerv2.py
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# -*- coding: utf-8 -*- | ||
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""" | ||
*************************************************************************** | ||
test_qgsgeometrygeneratorsymbollayerv2.py | ||
--------------------- | ||
Date : December 2015 | ||
Copyright : (C) 2015 by Matthias Kuhn | ||
Email : matthias at opengis dot ch | ||
*************************************************************************** | ||
* * | ||
* 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. * | ||
* * | ||
*************************************************************************** | ||
""" | ||
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__author__ = 'Matthias Kuhn' | ||
__date__ = 'December 2015' | ||
__copyright__ = '(C) 2015, Matthias Kuhn' | ||
# This will get replaced with a git SHA1 when you do a git archive | ||
__revision__ = '$Format:%H$' | ||
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import qgis | ||
import os | ||
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from PyQt.QtCore import QSize | ||
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from qgis.core import (QgsVectorLayer, | ||
QgsSingleSymbolRendererV2, | ||
QgsFillSymbolV2, | ||
QgsMarkerSymbolV2, | ||
QgsMapLayerRegistry, | ||
QgsRectangle, | ||
QgsGeometryGeneratorSymbolLayerV2, | ||
QgsSymbolV2, | ||
QgsMultiRenderChecker | ||
) | ||
from utilities import (unitTestDataPath, | ||
getQgisTestApp, | ||
TestCase, | ||
unittest | ||
) | ||
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# Convenience instances in case you may need them | ||
# not used in this test | ||
QGISAPP, CANVAS, IFACE, PARENT = getQgisTestApp() | ||
TEST_DATA_DIR = unitTestDataPath() | ||
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class TestQgsGeometryGeneratorSymbolLayerV2(TestCase): | ||
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def setUp(self): | ||
myShpFile = os.path.join(TEST_DATA_DIR, 'polys_overlapping.shp') | ||
layer = QgsVectorLayer(myShpFile, 'Polygons', 'ogr') | ||
QgsMapLayerRegistry.instance().addMapLayer(layer) | ||
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# Create style | ||
sym1 = QgsFillSymbolV2.createSimple({'color': '#fdbf6f'}) | ||
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self.renderer = QgsSingleSymbolRendererV2(sym1) | ||
layer.setRendererV2(self.renderer) | ||
self.mapsettings = CANVAS.mapSettings() | ||
self.mapsettings.setOutputSize(QSize(400, 400)) | ||
self.mapsettings.setOutputDpi(96) | ||
self.mapsettings.setExtent(QgsRectangle(-133, 22, -70, 52)) | ||
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rendered_layers = [layer.id()] | ||
self.mapsettings.setLayers(rendered_layers) | ||
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def tearDown(self): | ||
QgsMapLayerRegistry.instance().removeAllMapLayers() | ||
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def test_marker(self): | ||
sym = self.renderer.symbol() | ||
sym_layer = QgsGeometryGeneratorSymbolLayerV2.create({'geometryModifier': 'centroid($geometry)'}) | ||
sym_layer.setSymbolType(QgsSymbolV2.Marker) | ||
sym.changeSymbolLayer(0, sym_layer) | ||
renderchecker = QgsMultiRenderChecker() | ||
renderchecker.setMapSettings(self.mapsettings) | ||
renderchecker.setControlName('expected_geometrygenerator_marker') | ||
self.assertTrue(renderchecker.runTest('geometrygenerator_marker')) | ||
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def test_mixed(self): | ||
sym = self.renderer.symbol() | ||
buffer_layer = QgsGeometryGeneratorSymbolLayerV2.create({'geometryModifier': 'buffer($geometry, "value"/15)'}) | ||
buffer_layer.setSymbolType(QgsSymbolV2.Fill) | ||
buffer_layer.subSymbol() | ||
sym.appendSymbolLayer(buffer_layer) | ||
marker_layer = QgsGeometryGeneratorSymbolLayerV2.create({'geometryModifier': 'centroid($geometry)'}) | ||
marker_layer.setSymbolType(QgsSymbolV2.Marker) | ||
sym.appendSymbolLayer(marker_layer) | ||
renderchecker = QgsMultiRenderChecker() | ||
renderchecker.setMapSettings(self.mapsettings) | ||
renderchecker.setControlName('expected_geometrygenerator_mixed') | ||
self.assertTrue(renderchecker.runTest('geometrygenerator_mixed')) | ||
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if __name__ == '__main__': | ||
unittest.main() |
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