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django/tests/gis_tests/geoapp/test_regress.py
2015-04-24 20:30:23 +02:00

90 lines
3.8 KiB
Python

# -*- encoding: utf-8 -*-
from __future__ import unicode_literals
from datetime import datetime
from django.contrib.gis.db.models import Extent
from django.contrib.gis.shortcuts import render_to_kmz
from django.db.models import Count, Min
from django.test import TestCase, skipUnlessDBFeature
from ..utils import no_oracle
from .models import City, PennsylvaniaCity, State, Truth
@skipUnlessDBFeature("gis_enabled")
class GeoRegressionTests(TestCase):
fixtures = ['initial']
def test_update(self):
"Testing GeoQuerySet.update(). See #10411."
pnt = City.objects.get(name='Pueblo').point
bak = pnt.clone()
pnt.y += 0.005
pnt.x += 0.005
City.objects.filter(name='Pueblo').update(point=pnt)
self.assertEqual(pnt, City.objects.get(name='Pueblo').point)
City.objects.filter(name='Pueblo').update(point=bak)
self.assertEqual(bak, City.objects.get(name='Pueblo').point)
def test_kmz(self):
"Testing `render_to_kmz` with non-ASCII data. See #11624."
name = "Åland Islands"
places = [{
'name': name,
'description': name,
'kml': '<Point><coordinates>5.0,23.0</coordinates></Point>'
}]
render_to_kmz('gis/kml/placemarks.kml', {'places': places})
@skipUnlessDBFeature("supports_extent_aggr")
def test_extent(self):
"Testing `extent` on a table with a single point. See #11827."
pnt = City.objects.get(name='Pueblo').point
ref_ext = (pnt.x, pnt.y, pnt.x, pnt.y)
extent = City.objects.filter(name='Pueblo').aggregate(Extent('point'))['point__extent']
for ref_val, val in zip(ref_ext, extent):
self.assertAlmostEqual(ref_val, val, 4)
def test_unicode_date(self):
"Testing dates are converted properly, even on SpatiaLite. See #16408."
founded = datetime(1857, 5, 23)
PennsylvaniaCity.objects.create(name='Mansfield', county='Tioga', point='POINT(-77.071445 41.823881)',
founded=founded)
self.assertEqual(founded, PennsylvaniaCity.objects.datetimes('founded', 'day')[0])
self.assertEqual(founded, PennsylvaniaCity.objects.aggregate(Min('founded'))['founded__min'])
def test_empty_count(self):
"Testing that PostGISAdapter.__eq__ does check empty strings. See #13670."
# contrived example, but need a geo lookup paired with an id__in lookup
pueblo = City.objects.get(name='Pueblo')
state = State.objects.filter(poly__contains=pueblo.point)
cities_within_state = City.objects.filter(id__in=state)
# .count() should not throw TypeError in __eq__
self.assertEqual(cities_within_state.count(), 1)
# TODO: fix on Oracle -- get the following error because the SQL is ordered
# by a geometry object, which Oracle apparently doesn't like:
# ORA-22901: cannot compare nested table or VARRAY or LOB attributes of an object type
@no_oracle
def test_defer_or_only_with_annotate(self):
"Regression for #16409. Make sure defer() and only() work with annotate()"
self.assertIsInstance(list(City.objects.annotate(Count('point')).defer('name')), list)
self.assertIsInstance(list(City.objects.annotate(Count('point')).only('name')), list)
def test_boolean_conversion(self):
"Testing Boolean value conversion with the spatial backend, see #15169."
t1 = Truth.objects.create(val=True)
t2 = Truth.objects.create(val=False)
val1 = Truth.objects.get(pk=t1.pk).val
val2 = Truth.objects.get(pk=t2.pk).val
# verify types -- shouldn't be 0/1
self.assertIsInstance(val1, bool)
self.assertIsInstance(val2, bool)
# verify values
self.assertEqual(val1, True)
self.assertEqual(val2, False)