Add smoke test for QgsHighlight

tests/src/python/CMakeLists.txt

@@ -72,6 +72,7 @@ ADD_PYTHON_TEST(PyQgsGeometryGeneratorSymbolLayer test_qgsgeometrygeneratorsymbo
 ADD_PYTHON_TEST(PyQgsGeometryTest test_qgsgeometry.py)
 ADD_PYTHON_TEST(PyQgsGeometryValidator test_qgsgeometryvalidator.py)
 ADD_PYTHON_TEST(PyQgsGraduatedSymbolRenderer test_qgsgraduatedsymbolrenderer.py)
+ADD_PYTHON_TEST(PyQgsHighlight test_qgshighlight.py)
 ADD_PYTHON_TEST(PyQgsInterval test_qgsinterval.py)
 ADD_PYTHON_TEST(PyQgsJsonUtils test_qgsjsonutils.py)
 ADD_PYTHON_TEST(PyQgsLayerMetadata test_qgslayermetadata.py)

tests/src/python/test_qgshighlight.py

@@ -0,0 +1,99 @@
+# -*- coding: utf-8 -*-
+"""QGIS Unit tests for QgsHighlight.
+
+.. note:: 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__ = 'Matthias Kuhn'
+__date__ = '8.11.2017'
+__copyright__ = 'Copyright 2017, The QGIS Project'
+# This will get replaced with a git SHA1 when you do a git archive
+__revision__ = '$Format:%H$'
+
+import qgis  # NOQA
+import os
+
+from qgis.PyQt.QtCore import (
+    QSize,
+    Qt
+)
+from qgis.PyQt.QtGui import (
+    QColor,
+    QImage,
+    QPainter
+)
+from qgis.core import (
+    QgsVectorLayer,
+    QgsProject,
+    QgsRectangle,
+    QgsMultiRenderChecker
+)
+from qgis.gui import QgsHighlight
+from qgis.testing import start_app, unittest
+from qgis.testing.mocked import get_iface
+from utilities import unitTestDataPath
+
+start_app()
+TEST_DATA_DIR = unitTestDataPath()
+
+
+class TestQgsHighlight(unittest.TestCase):
+
+    def setUp(self):
+        self.iface = get_iface()
+
+        lines_shp = os.path.join(TEST_DATA_DIR, 'lines.shp')
+        self.lines_layer = QgsVectorLayer(lines_shp, 'Lines', 'ogr')
+        QgsProject.instance().addMapLayer(self.lines_layer)
+        polys_shp = os.path.join(TEST_DATA_DIR, 'polys.shp')
+        self.polys_layer = QgsVectorLayer(polys_shp, 'Polygons', 'ogr')
+        QgsProject.instance().addMapLayer(self.polys_layer)
+
+        self.iface.mapCanvas().resize(QSize(400, 400))
+
+        self.iface.mapCanvas().setExtent(QgsRectangle(-113, 28, -91, 40))
+
+        self.mapsettings = self.iface.mapCanvas().mapSettings()
+        self.mapsettings.setOutputSize(QSize(400, 400))
+        self.mapsettings.setOutputDpi(96)
+        self.mapsettings.setExtent(QgsRectangle(-113, 28, -91, 40))
+        self.mapsettings.setBackgroundColor(QColor("white"))
+
+    def tearDown(self):
+        QgsProject.instance().removeAllMapLayers()
+
+    def testLine(self):
+        line = next(self.lines_layer.getFeatures()).geometry()
+        highlight = QgsHighlight(self.iface.mapCanvas(), line, self.lines_layer)
+        color = QColor(Qt.red)
+        highlight.setColor(color)
+        color.setAlpha(50)
+        highlight.setFillColor(color)
+        highlight.show()
+        image = QImage(QSize(400, 400), QImage.Format_ARGB32)
+        painter = QPainter()
+        painter.begin(image)
+        self.iface.mapCanvas().render(painter)
+        painter.end()
+
+    def testPolygon(self):
+        poly = next(self.polys_layer.getFeatures()).geometry()
+        self.iface.mapCanvas().setExtent(self.polys_layer.extent())
+        highlight = QgsHighlight(self.iface.mapCanvas(), poly, self.polys_layer)
+        color = QColor(Qt.red)
+        highlight.setColor(color)
+        color.setAlpha(50)
+        highlight.setFillColor(color)
+        highlight.show()
+        image = QImage(QSize(400, 400), QImage.Format_ARGB32)
+        painter = QPainter()
+        painter.begin(image)
+        self.iface.mapCanvas().render(painter)
+        painter.end()
+
+
+
+if __name__ == '__main__':
+    unittest.main()