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django/tests/gis_tests/geoapp/test_regress.py
2022-02-07 20:37:05 +01:00

102 lines
3.8 KiB
Python

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 .models import City, PennsylvaniaCity, State, Truth
class GeoRegressionTests(TestCase):
fixtures = ["initial"]
def test_update(self):
"Testing QuerySet.update() (#10411)."
pueblo = City.objects.get(name="Pueblo")
bak = pueblo.point.clone()
pueblo.point.y += 0.005
pueblo.point.x += 0.005
City.objects.filter(name="Pueblo").update(point=pueblo.point)
pueblo.refresh_from_db()
self.assertAlmostEqual(bak.y + 0.005, pueblo.point.y, 6)
self.assertAlmostEqual(bak.x + 0.005, pueblo.point.x, 6)
City.objects.filter(name="Pueblo").update(point=bak)
pueblo.refresh_from_db()
self.assertAlmostEqual(bak.y, pueblo.point.y, 6)
self.assertAlmostEqual(bak.x, pueblo.point.x, 6)
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)
@skipUnlessDBFeature("allows_group_by_lob")
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.assertIs(val1, True)
self.assertIs(val2, False)