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from django.contrib.gis.measure import D
from django.test import TestCase
from haystack import connections
from haystack.exceptions import SpatialError
from haystack.query import SearchQuerySet
from haystack.utils.geo import (
ensure_distance,
ensure_geometry,
ensure_point,
ensure_wgs84,
generate_bounding_box,
)
from .models import Checkin
class SpatialUtilitiesTestCase(TestCase):
def test_ensure_geometry(self):
from django.contrib.gis.geos import GEOSGeometry, Point
self.assertRaises(
SpatialError, ensure_geometry, [38.97127105172941, -95.23592948913574]
)
ensure_geometry(GEOSGeometry("POLYGON((-95 38, -96 40, -97 42, -95 38))"))
ensure_geometry(GEOSGeometry("POINT(-95.23592948913574 38.97127105172941)"))
ensure_geometry(Point(-95.23592948913574, 38.97127105172941))
def test_ensure_point(self):
from django.contrib.gis.geos import GEOSGeometry, Point
self.assertRaises(
SpatialError, ensure_point, [38.97127105172941, -95.23592948913574]
)
self.assertRaises(
SpatialError,
ensure_point,
GEOSGeometry("POLYGON((-95 38, -96 40, -97 42, -95 38))"),
)
ensure_point(Point(-95.23592948913574, 38.97127105172941))
def test_ensure_wgs84(self):
from django.contrib.gis.geos import GEOSGeometry, Point
self.assertRaises(
SpatialError,
ensure_wgs84,
GEOSGeometry("POLYGON((-95 38, -96 40, -97 42, -95 38))"),
)
orig_pnt = Point(-95.23592948913574, 38.97127105172941)
std_pnt = ensure_wgs84(orig_pnt)
self.assertEqual(orig_pnt.srid, None)
self.assertEqual(std_pnt.srid, 4326)
self.assertEqual(std_pnt.x, -95.23592948913574)
self.assertEqual(std_pnt.y, 38.97127105172941)
orig_pnt = Point(-95.23592948913574, 38.97127105172941)
orig_pnt.srid = 2805
std_pnt = ensure_wgs84(orig_pnt)
self.assertEqual(orig_pnt.srid, 2805)
self.assertEqual(std_pnt.srid, 4326)
# These should be different, since it got transformed.
self.assertNotEqual(std_pnt.x, -95.23592948913574)
self.assertNotEqual(std_pnt.y, 38.97127105172941)
def test_ensure_distance(self):
self.assertRaises(
SpatialError, ensure_distance, [38.97127105172941, -95.23592948913574]
)
ensure_distance(D(mi=5))
def test_generate_bounding_box(self):
from django.contrib.gis.geos import Point
downtown_bottom_left = Point(-95.23947, 38.9637903)
downtown_top_right = Point(-95.23362278938293, 38.973081081164715)
((min_lat, min_lng), (max_lat, max_lng)) = generate_bounding_box(
downtown_bottom_left, downtown_top_right
)
self.assertEqual(min_lat, 38.9637903)
self.assertEqual(min_lng, -95.23947)
self.assertEqual(max_lat, 38.973081081164715)
self.assertEqual(max_lng, -95.23362278938293)
def test_generate_bounding_box_crossing_line_date(self):
from django.contrib.gis.geos import Point
downtown_bottom_left = Point(95.23947, 38.9637903)
downtown_top_right = Point(-95.23362278938293, 38.973081081164715)
((south, west), (north, east)) = generate_bounding_box(
downtown_bottom_left, downtown_top_right
)
self.assertEqual(south, 38.9637903)
self.assertEqual(west, 95.23947)
self.assertEqual(north, 38.973081081164715)
self.assertEqual(east, -95.23362278938293)
class SpatialSolrTestCase(TestCase):
fixtures = ["sample_spatial_data.json"]
using = "solr"
def setUp(self):
from django.contrib.gis.geos import Point
super().setUp()
self.ui = connections[self.using].get_unified_index()
self.ui.reset()
self.checkindex = self.ui.get_index(Checkin)
self.checkindex.reindex(using=self.using)
self.sqs = SearchQuerySet().using(self.using)
self.downtown_pnt = Point(-95.23592948913574, 38.97127105172941)
self.downtown_bottom_left = Point(-95.23947, 38.9637903)
self.downtown_top_right = Point(-95.23362278938293, 38.973081081164715)
self.lawrence_bottom_left = Point(-95.345535, 39.002643)
self.lawrence_top_right = Point(-95.202713, 38.923626)
def tearDown(self):
self.checkindex.clear(using=self.using)
super().setUp()
def test_indexing(self):
# Make sure the indexed data looks correct.
first = Checkin.objects.get(pk=1)
sqs = self.sqs.models(Checkin).filter(django_id=first.pk)
self.assertEqual(sqs.count(), 1)
self.assertEqual(sqs[0].username, first.username)
# Make sure we've got a proper ``Point`` object.
self.assertAlmostEqual(sqs[0].location.coords[0], first.longitude)
self.assertAlmostEqual(sqs[0].location.coords[1], first.latitude)
# Double-check, to make sure there was nothing accidentally copied
# between instances.
second = Checkin.objects.get(pk=2)
self.assertNotEqual(second.latitude, first.latitude)
sqs = self.sqs.models(Checkin).filter(django_id=second.pk)
self.assertEqual(sqs.count(), 1)
self.assertEqual(sqs[0].username, second.username)
self.assertAlmostEqual(sqs[0].location.coords[0], second.longitude)
self.assertAlmostEqual(sqs[0].location.coords[1], second.latitude)
def test_within(self):
self.assertEqual(self.sqs.all().count(), 10)
sqs = self.sqs.within(
"location", self.downtown_bottom_left, self.downtown_top_right
)
self.assertEqual(sqs.count(), 7)
sqs = self.sqs.within(
"location", self.lawrence_bottom_left, self.lawrence_top_right
)
self.assertEqual(sqs.count(), 9)
def test_dwithin(self):
self.assertEqual(self.sqs.all().count(), 10)
sqs = self.sqs.dwithin("location", self.downtown_pnt, D(mi=0.1))
self.assertEqual(sqs.count(), 5)
sqs = self.sqs.dwithin("location", self.downtown_pnt, D(mi=0.5))
self.assertEqual(sqs.count(), 7)
sqs = self.sqs.dwithin("location", self.downtown_pnt, D(mi=100))
self.assertEqual(sqs.count(), 10)
def test_distance_added(self):
sqs = self.sqs.within(
"location", self.downtown_bottom_left, self.downtown_top_right
).distance("location", self.downtown_pnt)
self.assertEqual(sqs.count(), 7)
self.assertAlmostEqual(sqs[0].distance.mi, 0.01985226)
self.assertAlmostEqual(sqs[1].distance.mi, 0.03385863)
self.assertAlmostEqual(sqs[2].distance.mi, 0.04539100)
self.assertAlmostEqual(sqs[3].distance.mi, 0.04831436)
self.assertAlmostEqual(sqs[4].distance.mi, 0.41116546)
self.assertAlmostEqual(sqs[5].distance.mi, 0.25098114)
self.assertAlmostEqual(sqs[6].distance.mi, 0.04831436)
sqs = self.sqs.dwithin("location", self.downtown_pnt, D(mi=0.1)).distance(
"location", self.downtown_pnt
)
self.assertEqual(sqs.count(), 5)
self.assertAlmostEqual(sqs[0].distance.mi, 0.01985226)
self.assertAlmostEqual(sqs[1].distance.mi, 0.03385863)
self.assertAlmostEqual(sqs[2].distance.mi, 0.04539100)
self.assertAlmostEqual(sqs[3].distance.mi, 0.04831436)
self.assertAlmostEqual(sqs[4].distance.mi, 0.04831436)
def test_order_by_distance(self):
sqs = (
self.sqs.within(
"location", self.downtown_bottom_left, self.downtown_top_right
)
.distance("location", self.downtown_pnt)
.order_by("distance")
)
self.assertEqual(sqs.count(), 7)
self.assertEqual(
[result.pk for result in sqs], ["8", "9", "6", "3", "1", "2", "5"]
)
self.assertEqual(
["%0.04f" % result.distance.mi for result in sqs],
["0.0199", "0.0339", "0.0454", "0.0483", "0.0483", "0.2510", "0.4112"],
)
sqs = (
self.sqs.dwithin("location", self.downtown_pnt, D(mi=0.1))
.distance("location", self.downtown_pnt)
.order_by("distance")
)
self.assertEqual(sqs.count(), 5)
self.assertEqual([result.pk for result in sqs], ["8", "9", "6", "3", "1"])
self.assertEqual(
["%0.04f" % result.distance.mi for result in sqs],
["0.0199", "0.0339", "0.0454", "0.0483", "0.0483"],
)
sqs = (
self.sqs.dwithin("location", self.downtown_pnt, D(mi=0.1))
.distance("location", self.downtown_pnt)
.order_by("-distance")
)
self.assertEqual(sqs.count(), 5)
self.assertEqual([result.pk for result in sqs], ["3", "1", "6", "9", "8"])
self.assertEqual(
["%0.04f" % result.distance.mi for result in sqs],
["0.0483", "0.0483", "0.0454", "0.0339", "0.0199"],
)
def test_complex(self):
sqs = (
self.sqs.auto_query("coffee")
.within("location", self.downtown_bottom_left, self.downtown_top_right)
.distance("location", self.downtown_pnt)
.order_by("distance")
)
self.assertEqual(sqs.count(), 5)
self.assertEqual([result.pk for result in sqs], ["8", "6", "3", "1", "2"])
self.assertEqual(
["%0.04f" % result.distance.mi for result in sqs],
["0.0199", "0.0454", "0.0483", "0.0483", "0.2510"],
)
sqs = (
self.sqs.auto_query("coffee")
.dwithin("location", self.downtown_pnt, D(mi=0.1))
.distance("location", self.downtown_pnt)
.order_by("distance")
)
self.assertEqual(sqs.count(), 4)
self.assertEqual([result.pk for result in sqs], ["8", "6", "3", "1"])
self.assertEqual(
["%0.04f" % result.distance.mi for result in sqs],
["0.0199", "0.0454", "0.0483", "0.0483"],
)
sqs = (
self.sqs.auto_query("coffee")
.dwithin("location", self.downtown_pnt, D(mi=0.1))
.distance("location", self.downtown_pnt)
.order_by("-distance")
)
self.assertEqual(sqs.count(), 4)
self.assertEqual([result.pk for result in sqs], ["3", "1", "6", "8"])
self.assertEqual(
["%0.04f" % result.distance.mi for result in sqs],
["0.0483", "0.0483", "0.0454", "0.0199"],
)
sqs = (
self.sqs.auto_query("coffee")
.within("location", self.downtown_bottom_left, self.downtown_top_right)
.distance("location", self.downtown_pnt)
.order_by("-created")
)
self.assertEqual(sqs.count(), 5)
self.assertEqual([result.pk for result in sqs], ["8", "6", "3", "2", "1"])
sqs = (
self.sqs.auto_query("coffee")
.dwithin("location", self.downtown_pnt, D(mi=0.1))
.distance("location", self.downtown_pnt)
.order_by("-created")
)
self.assertEqual(sqs.count(), 4)
self.assertEqual([result.pk for result in sqs], ["8", "6", "3", "1"])
|
