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Code Issues 32 Releases Wiki Activity

Fixed #25869 -- Added trim and precision properties to WKTWriter.

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This commit is contained in:
Sergey Fedoseev
2015-12-05 19:05:52 +05:00
committed by Claude Paroz
parent cd3c042b04
commit c984e2bc15
4 changed files with 108 additions and 3 deletions
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41
tests/gis_tests/geos_tests/test_io.py
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@@ -1,17 +1,17 @@
from __future__ import unicode_literals
import binascii
import unittest
from unittest import skipUnless
from django.contrib.gis.geos import (
HAS_GEOS, GEOSGeometry, WKBReader, WKBWriter, WKTReader, WKTWriter,
HAS_GEOS, GEOSGeometry, Point, WKBReader, WKBWriter, WKTReader, WKTWriter,
)
from django.test import SimpleTestCase
from django.utils.six import memoryview
@skipUnless(HAS_GEOS, "Geos is required.")
class GEOSIOTest(unittest.TestCase):
class GEOSIOTest(SimpleTestCase):
def test01_wktreader(self):
# Creating a WKTReader instance
@@ -109,3 +109,38 @@ class GEOSIOTest(unittest.TestCase):
wkb_w.srid = True
self.assertEqual(hex3d_srid, wkb_w.write_hex(g))
self.assertEqual(wkb3d_srid, wkb_w.write(g))
def test_wkt_writer_trim(self):
wkt_w = WKTWriter()
self.assertFalse(wkt_w.trim)
self.assertEqual(wkt_w.write(Point(1, 1)), b'POINT (1.0000000000000000 1.0000000000000000)')
wkt_w.trim = True
self.assertTrue(wkt_w.trim)
self.assertEqual(wkt_w.write(Point(1, 1)), b'POINT (1 1)')
self.assertEqual(wkt_w.write(Point(1.1, 1)), b'POINT (1.1 1)')
self.assertEqual(wkt_w.write(Point(1. / 3, 1)), b'POINT (0.3333333333333333 1)')
wkt_w.trim = False
self.assertFalse(wkt_w.trim)
self.assertEqual(wkt_w.write(Point(1, 1)), b'POINT (1.0000000000000000 1.0000000000000000)')
def test_wkt_writer_precision(self):
wkt_w = WKTWriter()
self.assertEqual(wkt_w.precision, None)
self.assertEqual(wkt_w.write(Point(1. / 3, 2. / 3)), b'POINT (0.3333333333333333 0.6666666666666666)')
wkt_w.precision = 1
self.assertEqual(wkt_w.precision, 1)
self.assertEqual(wkt_w.write(Point(1. / 3, 2. / 3)), b'POINT (0.3 0.7)')
wkt_w.precision = 0
self.assertEqual(wkt_w.precision, 0)
self.assertEqual(wkt_w.write(Point(1. / 3, 2. / 3)), b'POINT (0 1)')
wkt_w.precision = None
self.assertEqual(wkt_w.precision, None)
self.assertEqual(wkt_w.write(Point(1. / 3, 2. / 3)), b'POINT (0.3333333333333333 0.6666666666666666)')
with self.assertRaisesMessage(AttributeError, 'WKT output rounding precision must be '):
wkt_w.precision = 'potato'