Merge pull request #214 from slarosa/master

Added tests to Geometry test

tests/src/python/test_qgsgeometry.py

@@ -1,13 +1,15 @@
 import unittest
 
 from qgis.core import (QgsGeometry,
+                       QgsVectorLayer,
+                       QgsFeature,
                        QgsPoint,
                        QGis)
 
 # Convenience instances in case you may need them
 # not used in this test
-#from utilities import getQgisTestApp
-#QGISAPP, CANVAS, IFACE, PARENT = getQgisTestApp()
+from utilities import getQgisTestApp
+QGISAPP, CANVAS, IFACE, PARENT = getQgisTestApp()
 
 class TestQgsGeometry(unittest.TestCase):
 
@@ -55,6 +57,95 @@ class TestQgsGeometry(unittest.TestCase):
                       (QGis.WKBMultiPolygon, myMultiPolygon.type()))
         assert myMultiPolygon.wkbType() == QGis.WKBMultiPolygon, myMessage
 
+    def testIntersection(self):
+        myLine = QgsGeometry.fromPolyline([QgsPoint(0, 0),QgsPoint(1, 1),QgsPoint(2, 2)])
+        myPoint = QgsGeometry.fromPoint(QgsPoint(1, 1))
+        intersectionGeom = QgsGeometry.intersection(myLine, myPoint)
+        myMessage = ('Expected:\n%s\nGot:\n%s\n' %
+                      (QGis.Point, intersectionGeom.type()))
+        assert intersectionGeom.wkbType() == QGis.WKBPoint, myMessage
+        
+        layer = QgsVectorLayer("Point", "intersection", "memory")
+        assert layer.isValid(), "Failed to create valid point memory layer"
+        
+        provider = layer.dataProvider()
+                
+        ft = QgsFeature()
+        ft.setGeometry(intersectionGeom)
+        provider.addFeatures([ft])
+        
+        myMessage = ('Expected:\n%s\nGot:\n%s\n' %
+                      (1, layer.featureCount()))
+        assert layer.featureCount() == 1, myMessage
+        
+    def testBuffer(self):
+        myPoint = QgsGeometry.fromPoint(QgsPoint(1, 1))
+        bufferGeom = myPoint.buffer(10, 5)
+        myMessage = ('Expected:\n%s\nGot:\n%s\n' %
+                      (QGis.Polygon, bufferGeom.type()))
+        assert bufferGeom.wkbType() == QGis.WKBPolygon, myMessage
+        
+        layer = QgsVectorLayer("Polygon", "buffer", "memory")
+        assert layer.isValid(), "Failed to create valid polygon memory layer"
+        
+        provider = layer.dataProvider()
+                
+        ft = QgsFeature()
+        ft.setGeometry(bufferGeom)
+        provider.addFeatures([ft])
+        
+        myMessage = ('Expected:\n%s\nGot:\n%s\n' %
+                      (1, layer.featureCount()))
+        assert layer.featureCount() == 1, myMessage
+
+    def testContains(self):
+        myPoly = QgsGeometry.fromPolygon([[QgsPoint(0, 0),QgsPoint(2, 0),QgsPoint(2, 2),QgsPoint(0, 2), QgsPoint(0, 0)]])
+        myPoint = QgsGeometry.fromPoint(QgsPoint(1, 1))
+        containsGeom = QgsGeometry.contains(myPoly, myPoint)
+        myMessage = ('Expected:\n%s\nGot:\n%s\n' %
+                      ("True", containsGeom))
+        assert containsGeom == True, myMessage
+               
+    def testTouches(self):
+        myLine = QgsGeometry.fromPolyline([QgsPoint(0, 0),QgsPoint(1, 1),QgsPoint(2, 2)])
+        myPoly = QgsGeometry.fromPolygon([[QgsPoint(0, 0),QgsPoint(1, 1),QgsPoint(2, 0),QgsPoint(0, 0)]])
+        touchesGeom = QgsGeometry.touches(myLine, myPoly)
+        myMessage = ('Expected:\n%s\nGot:\n%s\n' %
+                      ("True", touchesGeom))
+        assert touchesGeom == True, myMessage
+        
+    def testOverlaps(self):
+        myPolyA = QgsGeometry.fromPolygon([[QgsPoint(0, 0),QgsPoint(1, 3),QgsPoint(2, 0),QgsPoint(0, 0)]])
+        myPolyB = QgsGeometry.fromPolygon([[QgsPoint(0, 0),QgsPoint(2, 0),QgsPoint(2, 2),QgsPoint(0, 2), QgsPoint(0, 0)]])
+        overlapsGeom = QgsGeometry.overlaps(myPolyA, myPolyB)
+        myMessage = ('Expected:\n%s\nGot:\n%s\n' %
+                      ("True", overlapsGeom))
+        assert overlapsGeom == True, myMessage
+    
+    def testWithin(self):
+        myLine = QgsGeometry.fromPolyline([QgsPoint(0.5, 0.5),QgsPoint(1, 1),QgsPoint(1.5, 1.5)])
+        myPoly = QgsGeometry.fromPolygon([[QgsPoint(0, 0),QgsPoint(2, 0),QgsPoint(2, 2),QgsPoint(0, 2), QgsPoint(0, 0)]])
+        withinGeom = QgsGeometry.within(myLine, myPoly)
+        myMessage = ('Expected:\n%s\nGot:\n%s\n' %
+                      ("True", withinGeom))
+        assert withinGeom == True, myMessage
+        
+    def testEquals(self):
+        myPointA = QgsGeometry.fromPoint(QgsPoint(1, 1))
+        myPointB = QgsGeometry.fromPoint(QgsPoint(1, 1))
+        equalsGeom = QgsGeometry.equals(myPointA, myPointB)
+        myMessage = ('Expected:\n%s\nGot:\n%s\n' %
+                      ("True", equalsGeom))
+        assert equalsGeom == True, myMessage
+        
+    def testCrosses(self):
+        myLine = QgsGeometry.fromPolyline([QgsPoint(0, 0),QgsPoint(1, 1),QgsPoint(3, 3)])
+        myPoly = QgsGeometry.fromPolygon([[QgsPoint(1, 0),QgsPoint(2, 0),QgsPoint(2, 2),QgsPoint(1, 2), QgsPoint(1, 0)]])
+        crossesGeom = QgsGeometry.crosses(myLine, myPoly)
+        myMessage = ('Expected:\n%s\nGot:\n%s\n' %
+                      ("True", crossesGeom))
+        assert crossesGeom == True, myMessage
+
 
 if __name__ == '__main__':
     unittest.main()