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test_qgsrectangle.py
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test_qgsrectangle.py
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# -*- coding: utf-8 -*-
"""QGIS Unit tests for QgsComposition.
.. 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__ = 'Tim Sutton'
__date__ = '20/08/2012'
__copyright__ = 'Copyright 2012, The QGIS Project'
# This will get replaced with a git SHA1 when you do a git archive
__revision__ = '$Format:%H$'
import qgis
from qgis.core import QgsRectangle, QgsPoint
from utilities import (getQgisTestApp,
compareWkt,
TestCase,
unittest,
expectedFailure
)
QGISAPP, CANVAS, IFACE, PARENT = getQgisTestApp()
class TestQgsRectangle(TestCase):
# Because isEmpty() is not returning expected result in 9b0fee3
@expectedFailure
def testCtor(self):
rect = QgsRectangle(5.0, 5.0, 10.0, 10.0)
myExpectedResult = True
myResult = rect.isEmpty()
myMessage = ('Expected: %s Got: %s' % (myExpectedResult, myResult))
assert rect.isEmpty(), myMessage
myMessage = ('Expected: %s\nGot: %s\n' %
(5.0, rect.xMinimum()))
assert rect.xMinimum() == 5.0, myMessage
myMessage = ('Expected: %s\nGot: %s\n' %
(5.0, rect.yMinimum()))
assert rect.yMinimum() == 5.0, myMessage
myMessage = ('Expected: %s\nGot: %s\n' %
(10.0, rect.xMaximum()))
assert rect.xMaximum() == 10.0, myMessage
myMessage = ('Expected: %s\nGot: %s\n' %
(10.0, rect.yMaximum()))
assert rect.yMaximum() == 10.0, myMessage
def testDimensions(self):
rect = QgsRectangle(0.0, 0.0, 10.0, 10.0)
myMessage = ('Expected: %s\nGot: %s\n' %
(10.0, rect.width()))
assert rect.width() == 10.0, myMessage
myMessage = ('Expected: %s\nGot: %s\n' %
(10.0, rect.height()))
assert rect.height() == 10.0, myMessage
myMessage = ('Expected: %s\nGot: %s\n' %
("5.0, 5.0", rect.center().toString()))
assert rect.center() == QgsPoint(5.0, 5.0), myMessage
rect.scale(2.0)
myMessage = ('Expected: %s\nGot: %s\n' %
(20.0, rect.width()))
assert rect.width() == 20.0, myMessage
myMessage = ('Expected: %s\nGot: %s\n' %
(20.0, rect.height()))
assert rect.height() == 20.0, myMessage
def testIntersection(self):
rect1 = QgsRectangle(0.0, 0.0, 5.0, 5.0)
rect2 = QgsRectangle(2.0, 2.0, 7.0, 7.0)
myMessage = ('Expected: %s\nGot: %s\n' %
(True, rect1.intersects(rect2)))
assert rect1.intersects(rect2), myMessage
rect3 = rect1.intersect(rect2)
self.assertFalse(rect3.isEmpty(), "Empty rectangle returned")
myMessage = ('Expected: %s\nGot: %s\n' %
(3.0, rect3.width()))
assert rect3.width() == 3.0, myMessage
myMessage = ('Expected: %s\nGot: %s\n' %
(3.0, rect3.height()))
assert rect3.height() == 3.0, myMessage
def testContains(self):
rect1 = QgsRectangle(0.0, 0.0, 5.0, 5.0)
rect2 = QgsRectangle(2.0, 2.0, 7.0, 7.0)
pnt1 = QgsPoint(4.0, 4.0)
pnt2 = QgsPoint(6.0, 2.0)
rect3 = rect1.intersect(rect2)
myMessage = ('Expected: %s\nGot: %s\n' %
(True, rect1.contains(rect3)))
assert rect1.contains(rect3), myMessage
myMessage = ('Expected: %s\nGot: %s\n' %
(True, rect2.contains(rect3)))
assert rect2.contains(rect3), myMessage
# test for point
myMessage = ('Expected: %s\nGot: %s\n' %
(True, rect1.contains(pnt1)))
assert rect1.contains(pnt1), myMessage
myMessage = ('Expected: %s\nGot: %s\n' %
(True, rect2.contains(pnt1)))
assert rect2.contains(pnt1), myMessage
myMessage = ('Expected: %s\nGot: %s\n' %
(True, rect3.contains(pnt1)))
assert rect3.contains(pnt1), myMessage
myMessage = ('Expected: %s\nGot: %s\n' %
(False, rect1.contains(pnt2)))
self.assertFalse(rect1.contains(pnt2), myMessage)
myMessage = ('Expected: %s\nGot: %s\n' %
(True, rect2.contains(pnt2)))
assert rect2.contains(pnt2), myMessage
myMessage = ('Expected: %s\nGot: %s\n' %
(False, rect3.contains(pnt2)))
self.assertFalse(rect3.contains(pnt2), myMessage)
myMessage = ('Expected: %s\nGot: %s\n' %
(True, rect3.contains(pnt1)))
self.assertTrue(rect3.contains(pnt1), myMessage)
def testUnion(self):
rect1 = QgsRectangle(0.0, 0.0, 5.0, 5.0)
rect2 = QgsRectangle(2.0, 2.0, 7.0, 7.0)
pnt1 = QgsPoint(6.0, 2.0)
rect1.combineExtentWith(rect2)
myMessage = ('Expected: %s\nGot: %s\n' %
(True, rect1.contains(rect2)))
assert rect1.contains(rect2), myMessage
print rect1.toString()
assert rect1 == QgsRectangle(0.0, 0.0, 7.0, 7.0), 'Wrong combine with rectangle result'
rect1 = QgsRectangle(0.0, 0.0, 5.0, 5.0)
rect1.combineExtentWith(6.0, 2.0)
myMessage = ('Expected: %s\nGot: %s\n' %
(True, rect1.contains(pnt1)))
assert rect1.contains(pnt1), myMessage
myExpectedResult = QgsRectangle(0.0, 0.0, 6.0, 5.0).toString()
myResult = rect1.toString()
myMessage = ('Expected: %s\nGot: %s\n' %
(myExpectedResult, myResult))
self.assertEquals(myResult, myExpectedResult, myMessage)
rect1 = QgsRectangle(0.0, 0.0, 5.0, 5.0)
rect1.unionRect(rect2)
myMessage = ('Expected: %s\nGot: %s\n' %
(True, rect1.contains(rect2)))
assert rect1.contains(rect2), myMessage
assert rect1 == QgsRectangle(0.0, 0.0, 7.0, 7.0), "Wrong union result"
def testAsWktCoordinates(self):
"""Test that we can get a proper wkt representation fo the rect"""
rect1 = QgsRectangle(0.0, 0.0, 5.0, 5.0)
myExpectedWkt = ('0 0, '
'5 5')
myWkt = rect1.asWktCoordinates()
myMessage = ('Expected: %s\nGot: %s\n' %
(myExpectedWkt, myWkt))
assert compareWkt(myWkt, myExpectedWkt), myMessage
def testAsWktPolygon(self):
"""Test that we can get a proper rect wkt polygon representation for rect"""
rect1 = QgsRectangle(0.0, 0.0, 5.0, 5.0)
myExpectedWkt = ('POLYGON((0 0, '
'5 0, '
'5 5, '
'0 5, '
'0 0))')
myWkt = rect1.asWktPolygon()
myMessage = ('Expected: %s\nGot: %s\n' %
(myExpectedWkt, myWkt))
assert compareWkt(myWkt, myExpectedWkt), myMessage
if __name__ == '__main__':
unittest.main()