Simple line test

qgis · Nov 17, 2020 · d90c540 · d90c540
1 parent b159365
commit d90c540
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Showing 2 changed files with 36 additions and 2 deletions.
diff --git a/tests/src/python/test_qgssimplelinesymbollayer.py b/tests/src/python/test_qgssimplelinesymbollayer.py
@@ -23,13 +23,16 @@
 
 import qgis  # NOQA
 
+import os
+
 from utilities import unitTestDataPath
 
-from qgis.PyQt.QtCore import QDir, Qt
+from qgis.PyQt.QtCore import QDir, Qt, QSize
 from qgis.PyQt.QtGui import QImage, QColor, QPainter
 from qgis.PyQt.QtXml import QDomDocument
 
 from qgis.core import (QgsGeometry,
+                       QgsRectangle,
                        QgsFillSymbol,
                        QgsRenderContext,
                        QgsFeature,
@@ -42,8 +45,11 @@
                        QgsLineSymbol,
                        QgsUnitTypes,
                        QgsMapUnitScale,
+                       QgsVectorLayer,
                        QgsSymbolLayer,
-                       QgsProperty
+                       QgsMultiRenderChecker,
+                       QgsProperty,
+                       QgsSingleSymbolRenderer
                        )
 
 from qgis.testing import unittest, start_app
@@ -219,6 +225,34 @@ def testRingFilter(self):
         rendered_image = self.renderGeometry(s3, g)
         assert self.imageCheck('simpleline_interioronly', 'simpleline_interioronly', rendered_image)
 
+    def testOpacityWithDataDefinedColor(self):
+        line_shp = os.path.join(TEST_DATA_DIR, 'lines.shp')
+        line_layer = QgsVectorLayer(line_shp, 'Lines', 'ogr')
+        self.assertTrue(line_layer.isValid())
+
+        s = QgsLineSymbol.createSimple({'outline_color': '#ff0000', 'outline_width': '2'})
+        s.symbolLayer(0).setDataDefinedProperty(QgsSymbolLayer.PropertyStrokeColor, QgsProperty.fromExpression(
+            "if(Name='Arterial', 'red', 'green')"))
+
+        s.setOpacity(0.5)
+
+        line_layer.setRenderer(QgsSingleSymbolRenderer(s))
+
+        ms = QgsMapSettings()
+        ms.setOutputSize(QSize(400, 400))
+        ms.setOutputDpi(96)
+        ms.setExtent(QgsRectangle(-118.5, 19.0, -81.4, 50.4))
+        ms.setLayers([line_layer])
+
+        # Test rendering
+        renderchecker = QgsMultiRenderChecker()
+        renderchecker.setMapSettings(ms)
+        renderchecker.setControlPathPrefix('symbol_simpleline')
+        renderchecker.setControlName('expected_simpleline_opacityddcolor')
+        res = renderchecker.runTest('expected_simpleline_opacityddcolor')
+        self.report += renderchecker.report()
+        self.assertTrue(res)
+
     def renderGeometry(self, symbol, geom):
         f = QgsFeature()
         f.setGeometry(geom)

diff --git a/...eline/expected_simpleline_opacityddcolor/expected_simpleline_opacityddcolor.png b/...eline/expected_simpleline_opacityddcolor/expected_simpleline_opacityddcolor.png