diff options
Diffstat (limited to 'lib/python2.7/site-packages/django/contrib/gis/tests/geoapp/tests.py')
| -rw-r--r-- | lib/python2.7/site-packages/django/contrib/gis/tests/geoapp/tests.py | 788 |
1 files changed, 0 insertions, 788 deletions
diff --git a/lib/python2.7/site-packages/django/contrib/gis/tests/geoapp/tests.py b/lib/python2.7/site-packages/django/contrib/gis/tests/geoapp/tests.py deleted file mode 100644 index 617d92b..0000000 --- a/lib/python2.7/site-packages/django/contrib/gis/tests/geoapp/tests.py +++ /dev/null @@ -1,788 +0,0 @@ -from __future__ import absolute_import - -import re - -from django.db import connection -from django.contrib.gis import gdal -from django.contrib.gis.geos import HAS_GEOS -from django.contrib.gis.tests.utils import ( - HAS_SPATIAL_DB, no_mysql, no_oracle, no_spatialite, - mysql, oracle, postgis, spatialite) -from django.test import TestCase -from django.utils import six, unittest -from django.utils.unittest import skipUnless - -if HAS_GEOS: - from django.contrib.gis.geos import (fromstr, GEOSGeometry, - Point, LineString, LinearRing, Polygon, GeometryCollection) - - from .models import Country, City, PennsylvaniaCity, State, Track - -if HAS_GEOS and not spatialite: - from .models import Feature, MinusOneSRID - - -def postgis_bug_version(): - spatial_version = getattr(connection.ops, "spatial_version", (0,0,0)) - return spatial_version and (2, 0, 0) <= spatial_version <= (2, 0, 1) - - -@skipUnless(HAS_GEOS and HAS_SPATIAL_DB, "Geos and spatial db are required.") -class GeoModelTest(TestCase): - - def test_fixtures(self): - "Testing geographic model initialization from fixtures." - # Ensuring that data was loaded from initial data fixtures. - self.assertEqual(2, Country.objects.count()) - self.assertEqual(8, City.objects.count()) - self.assertEqual(2, State.objects.count()) - - def test_proxy(self): - "Testing Lazy-Geometry support (using the GeometryProxy)." - ## Testing on a Point - pnt = Point(0, 0) - nullcity = City(name='NullCity', point=pnt) - nullcity.save() - - # Making sure TypeError is thrown when trying to set with an - # incompatible type. - for bad in [5, 2.0, LineString((0, 0), (1, 1))]: - try: - nullcity.point = bad - except TypeError: - pass - else: - self.fail('Should throw a TypeError') - - # Now setting with a compatible GEOS Geometry, saving, and ensuring - # the save took, notice no SRID is explicitly set. - new = Point(5, 23) - nullcity.point = new - - # Ensuring that the SRID is automatically set to that of the - # field after assignment, but before saving. - self.assertEqual(4326, nullcity.point.srid) - nullcity.save() - - # Ensuring the point was saved correctly after saving - self.assertEqual(new, City.objects.get(name='NullCity').point) - - # Setting the X and Y of the Point - nullcity.point.x = 23 - nullcity.point.y = 5 - # Checking assignments pre & post-save. - self.assertNotEqual(Point(23, 5), City.objects.get(name='NullCity').point) - nullcity.save() - self.assertEqual(Point(23, 5), City.objects.get(name='NullCity').point) - nullcity.delete() - - ## Testing on a Polygon - shell = LinearRing((0, 0), (0, 100), (100, 100), (100, 0), (0, 0)) - inner = LinearRing((40, 40), (40, 60), (60, 60), (60, 40), (40, 40)) - - # Creating a State object using a built Polygon - ply = Polygon(shell, inner) - nullstate = State(name='NullState', poly=ply) - self.assertEqual(4326, nullstate.poly.srid) # SRID auto-set from None - nullstate.save() - - ns = State.objects.get(name='NullState') - self.assertEqual(ply, ns.poly) - - # Testing the `ogr` and `srs` lazy-geometry properties. - if gdal.HAS_GDAL: - self.assertEqual(True, isinstance(ns.poly.ogr, gdal.OGRGeometry)) - self.assertEqual(ns.poly.wkb, ns.poly.ogr.wkb) - self.assertEqual(True, isinstance(ns.poly.srs, gdal.SpatialReference)) - self.assertEqual('WGS 84', ns.poly.srs.name) - - # Changing the interior ring on the poly attribute. - new_inner = LinearRing((30, 30), (30, 70), (70, 70), (70, 30), (30, 30)) - ns.poly[1] = new_inner - ply[1] = new_inner - self.assertEqual(4326, ns.poly.srid) - ns.save() - self.assertEqual(ply, State.objects.get(name='NullState').poly) - ns.delete() - - @no_mysql - def test_lookup_insert_transform(self): - "Testing automatic transform for lookups and inserts." - # San Antonio in 'WGS84' (SRID 4326) - sa_4326 = 'POINT (-98.493183 29.424170)' - wgs_pnt = fromstr(sa_4326, srid=4326) # Our reference point in WGS84 - - # Oracle doesn't have SRID 3084, using 41157. - if oracle: - # San Antonio in 'Texas 4205, Southern Zone (1983, meters)' (SRID 41157) - # Used the following Oracle SQL to get this value: - # SELECT SDO_UTIL.TO_WKTGEOMETRY(SDO_CS.TRANSFORM(SDO_GEOMETRY('POINT (-98.493183 29.424170)', 4326), 41157)) FROM DUAL; - nad_wkt = 'POINT (300662.034646583 5416427.45974934)' - nad_srid = 41157 - else: - # San Antonio in 'NAD83(HARN) / Texas Centric Lambert Conformal' (SRID 3084) - nad_wkt = 'POINT (1645978.362408288754523 6276356.025927528738976)' # Used ogr.py in gdal 1.4.1 for this transform - nad_srid = 3084 - - # Constructing & querying with a point from a different SRID. Oracle - # `SDO_OVERLAPBDYINTERSECT` operates differently from - # `ST_Intersects`, so contains is used instead. - nad_pnt = fromstr(nad_wkt, srid=nad_srid) - if oracle: - tx = Country.objects.get(mpoly__contains=nad_pnt) - else: - tx = Country.objects.get(mpoly__intersects=nad_pnt) - self.assertEqual('Texas', tx.name) - - # Creating San Antonio. Remember the Alamo. - sa = City.objects.create(name='San Antonio', point=nad_pnt) - - # Now verifying that San Antonio was transformed correctly - sa = City.objects.get(name='San Antonio') - self.assertAlmostEqual(wgs_pnt.x, sa.point.x, 6) - self.assertAlmostEqual(wgs_pnt.y, sa.point.y, 6) - - # If the GeometryField SRID is -1, then we shouldn't perform any - # transformation if the SRID of the input geometry is different. - # SpatiaLite does not support missing SRID values. - if not spatialite: - m1 = MinusOneSRID(geom=Point(17, 23, srid=4326)) - m1.save() - self.assertEqual(-1, m1.geom.srid) - - def test_createnull(self): - "Testing creating a model instance and the geometry being None" - c = City() - self.assertEqual(c.point, None) - - @no_spatialite # SpatiaLite does not support abstract geometry columns - def test_geometryfield(self): - "Testing the general GeometryField." - Feature(name='Point', geom=Point(1, 1)).save() - Feature(name='LineString', geom=LineString((0, 0), (1, 1), (5, 5))).save() - Feature(name='Polygon', geom=Polygon(LinearRing((0, 0), (0, 5), (5, 5), (5, 0), (0, 0)))).save() - Feature(name='GeometryCollection', - geom=GeometryCollection(Point(2, 2), LineString((0, 0), (2, 2)), - Polygon(LinearRing((0, 0), (0, 5), (5, 5), (5, 0), (0, 0))))).save() - - f_1 = Feature.objects.get(name='Point') - self.assertEqual(True, isinstance(f_1.geom, Point)) - self.assertEqual((1.0, 1.0), f_1.geom.tuple) - f_2 = Feature.objects.get(name='LineString') - self.assertEqual(True, isinstance(f_2.geom, LineString)) - self.assertEqual(((0.0, 0.0), (1.0, 1.0), (5.0, 5.0)), f_2.geom.tuple) - - f_3 = Feature.objects.get(name='Polygon') - self.assertEqual(True, isinstance(f_3.geom, Polygon)) - f_4 = Feature.objects.get(name='GeometryCollection') - self.assertEqual(True, isinstance(f_4.geom, GeometryCollection)) - self.assertEqual(f_3.geom, f_4.geom[2]) - - @no_mysql - def test_inherited_geofields(self): - "Test GeoQuerySet methods on inherited Geometry fields." - # Creating a Pennsylvanian city. - mansfield = PennsylvaniaCity.objects.create(name='Mansfield', county='Tioga', point='POINT(-77.071445 41.823881)') - - # All transformation SQL will need to be performed on the - # _parent_ table. - qs = PennsylvaniaCity.objects.transform(32128) - - self.assertEqual(1, qs.count()) - for pc in qs: self.assertEqual(32128, pc.point.srid) - - def test_raw_sql_query(self): - "Testing raw SQL query." - cities1 = City.objects.all() - # Only PostGIS would support a 'select *' query because of its recognized - # HEXEWKB format for geometry fields - as_text = 'ST_AsText' if postgis else 'asText' - cities2 = City.objects.raw('select id, name, %s(point) from geoapp_city' % as_text) - self.assertEqual(len(cities1), len(list(cities2))) - self.assertTrue(isinstance(cities2[0].point, Point)) - - -@skipUnless(HAS_GEOS and HAS_SPATIAL_DB, "Geos and spatial db are required.") -class GeoLookupTest(TestCase): - - @no_mysql - def test_disjoint_lookup(self): - "Testing the `disjoint` lookup type." - ptown = City.objects.get(name='Pueblo') - qs1 = City.objects.filter(point__disjoint=ptown.point) - self.assertEqual(7, qs1.count()) - - qs2 = State.objects.filter(poly__disjoint=ptown.point) - self.assertEqual(1, qs2.count()) - self.assertEqual('Kansas', qs2[0].name) - - def test_contains_contained_lookups(self): - "Testing the 'contained', 'contains', and 'bbcontains' lookup types." - # Getting Texas, yes we were a country -- once ;) - texas = Country.objects.get(name='Texas') - - # Seeing what cities are in Texas, should get Houston and Dallas, - # and Oklahoma City because 'contained' only checks on the - # _bounding box_ of the Geometries. - if not oracle: - qs = City.objects.filter(point__contained=texas.mpoly) - self.assertEqual(3, qs.count()) - cities = ['Houston', 'Dallas', 'Oklahoma City'] - for c in qs: self.assertEqual(True, c.name in cities) - - # Pulling out some cities. - houston = City.objects.get(name='Houston') - wellington = City.objects.get(name='Wellington') - pueblo = City.objects.get(name='Pueblo') - okcity = City.objects.get(name='Oklahoma City') - lawrence = City.objects.get(name='Lawrence') - - # Now testing contains on the countries using the points for - # Houston and Wellington. - tx = Country.objects.get(mpoly__contains=houston.point) # Query w/GEOSGeometry - nz = Country.objects.get(mpoly__contains=wellington.point.hex) # Query w/EWKBHEX - self.assertEqual('Texas', tx.name) - self.assertEqual('New Zealand', nz.name) - - # Spatialite 2.3 thinks that Lawrence is in Puerto Rico (a NULL geometry). - if not spatialite: - ks = State.objects.get(poly__contains=lawrence.point) - self.assertEqual('Kansas', ks.name) - - # Pueblo and Oklahoma City (even though OK City is within the bounding box of Texas) - # are not contained in Texas or New Zealand. - self.assertEqual(0, len(Country.objects.filter(mpoly__contains=pueblo.point))) # Query w/GEOSGeometry object - self.assertEqual((mysql and 1) or 0, - len(Country.objects.filter(mpoly__contains=okcity.point.wkt))) # Qeury w/WKT - - # OK City is contained w/in bounding box of Texas. - if not oracle: - qs = Country.objects.filter(mpoly__bbcontains=okcity.point) - self.assertEqual(1, len(qs)) - self.assertEqual('Texas', qs[0].name) - - # Only PostGIS has `left` and `right` lookup types. - @no_mysql - @no_oracle - @no_spatialite - def test_left_right_lookups(self): - "Testing the 'left' and 'right' lookup types." - # Left: A << B => true if xmax(A) < xmin(B) - # Right: A >> B => true if xmin(A) > xmax(B) - # See: BOX2D_left() and BOX2D_right() in lwgeom_box2dfloat4.c in PostGIS source. - - # Getting the borders for Colorado & Kansas - co_border = State.objects.get(name='Colorado').poly - ks_border = State.objects.get(name='Kansas').poly - - # Note: Wellington has an 'X' value of 174, so it will not be considered - # to the left of CO. - - # These cities should be strictly to the right of the CO border. - cities = ['Houston', 'Dallas', 'Oklahoma City', - 'Lawrence', 'Chicago', 'Wellington'] - qs = City.objects.filter(point__right=co_border) - self.assertEqual(6, len(qs)) - for c in qs: self.assertEqual(True, c.name in cities) - - # These cities should be strictly to the right of the KS border. - cities = ['Chicago', 'Wellington'] - qs = City.objects.filter(point__right=ks_border) - self.assertEqual(2, len(qs)) - for c in qs: self.assertEqual(True, c.name in cities) - - # Note: Wellington has an 'X' value of 174, so it will not be considered - # to the left of CO. - vic = City.objects.get(point__left=co_border) - self.assertEqual('Victoria', vic.name) - - cities = ['Pueblo', 'Victoria'] - qs = City.objects.filter(point__left=ks_border) - self.assertEqual(2, len(qs)) - for c in qs: self.assertEqual(True, c.name in cities) - - # The left/right lookup tests are known failures on PostGIS 2.0/2.0.1 - # http://trac.osgeo.org/postgis/ticket/2035 - if postgis_bug_version(): - test_left_right_lookups = unittest.expectedFailure(test_left_right_lookups) - - def test_equals_lookups(self): - "Testing the 'same_as' and 'equals' lookup types." - pnt = fromstr('POINT (-95.363151 29.763374)', srid=4326) - c1 = City.objects.get(point=pnt) - c2 = City.objects.get(point__same_as=pnt) - c3 = City.objects.get(point__equals=pnt) - for c in [c1, c2, c3]: self.assertEqual('Houston', c.name) - - @no_mysql - def test_null_geometries(self): - "Testing NULL geometry support, and the `isnull` lookup type." - # Creating a state with a NULL boundary. - State.objects.create(name='Puerto Rico') - - # Querying for both NULL and Non-NULL values. - nullqs = State.objects.filter(poly__isnull=True) - validqs = State.objects.filter(poly__isnull=False) - - # Puerto Rico should be NULL (it's a commonwealth unincorporated territory) - self.assertEqual(1, len(nullqs)) - self.assertEqual('Puerto Rico', nullqs[0].name) - - # The valid states should be Colorado & Kansas - self.assertEqual(2, len(validqs)) - state_names = [s.name for s in validqs] - self.assertEqual(True, 'Colorado' in state_names) - self.assertEqual(True, 'Kansas' in state_names) - - # Saving another commonwealth w/a NULL geometry. - nmi = State.objects.create(name='Northern Mariana Islands', poly=None) - self.assertEqual(nmi.poly, None) - - # Assigning a geomery and saving -- then UPDATE back to NULL. - nmi.poly = 'POLYGON((0 0,1 0,1 1,1 0,0 0))' - nmi.save() - State.objects.filter(name='Northern Mariana Islands').update(poly=None) - self.assertEqual(None, State.objects.get(name='Northern Mariana Islands').poly) - - @no_mysql - def test_relate_lookup(self): - "Testing the 'relate' lookup type." - # To make things more interesting, we will have our Texas reference point in - # different SRIDs. - pnt1 = fromstr('POINT (649287.0363174 4177429.4494686)', srid=2847) - pnt2 = fromstr('POINT(-98.4919715741052 29.4333344025053)', srid=4326) - - # Not passing in a geometry as first param shoud - # raise a type error when initializing the GeoQuerySet - self.assertRaises(ValueError, Country.objects.filter, mpoly__relate=(23, 'foo')) - - # Making sure the right exception is raised for the given - # bad arguments. - for bad_args, e in [((pnt1, 0), ValueError), ((pnt2, 'T*T***FF*', 0), ValueError)]: - qs = Country.objects.filter(mpoly__relate=bad_args) - self.assertRaises(e, qs.count) - - # Relate works differently for the different backends. - if postgis or spatialite: - contains_mask = 'T*T***FF*' - within_mask = 'T*F**F***' - intersects_mask = 'T********' - elif oracle: - contains_mask = 'contains' - within_mask = 'inside' - # TODO: This is not quite the same as the PostGIS mask above - intersects_mask = 'overlapbdyintersect' - - # Testing contains relation mask. - self.assertEqual('Texas', Country.objects.get(mpoly__relate=(pnt1, contains_mask)).name) - self.assertEqual('Texas', Country.objects.get(mpoly__relate=(pnt2, contains_mask)).name) - - # Testing within relation mask. - ks = State.objects.get(name='Kansas') - self.assertEqual('Lawrence', City.objects.get(point__relate=(ks.poly, within_mask)).name) - - # Testing intersection relation mask. - if not oracle: - self.assertEqual('Texas', Country.objects.get(mpoly__relate=(pnt1, intersects_mask)).name) - self.assertEqual('Texas', Country.objects.get(mpoly__relate=(pnt2, intersects_mask)).name) - self.assertEqual('Lawrence', City.objects.get(point__relate=(ks.poly, intersects_mask)).name) - - -@skipUnless(HAS_GEOS and HAS_SPATIAL_DB, "Geos and spatial db are required.") -class GeoQuerySetTest(TestCase): - # Please keep the tests in GeoQuerySet method's alphabetic order - - @no_mysql - def test_centroid(self): - "Testing the `centroid` GeoQuerySet method." - qs = State.objects.exclude(poly__isnull=True).centroid() - if oracle: - tol = 0.1 - elif spatialite: - tol = 0.000001 - else: - tol = 0.000000001 - for s in qs: - self.assertEqual(True, s.poly.centroid.equals_exact(s.centroid, tol)) - - @no_mysql - def test_diff_intersection_union(self): - "Testing the `difference`, `intersection`, `sym_difference`, and `union` GeoQuerySet methods." - geom = Point(5, 23) - tol = 1 - qs = Country.objects.all().difference(geom).sym_difference(geom).union(geom) - - # XXX For some reason SpatiaLite does something screwey with the Texas geometry here. Also, - # XXX it doesn't like the null intersection. - if spatialite: - qs = qs.exclude(name='Texas') - else: - qs = qs.intersection(geom) - - for c in qs: - if oracle: - # Should be able to execute the queries; however, they won't be the same - # as GEOS (because Oracle doesn't use GEOS internally like PostGIS or - # SpatiaLite). - pass - else: - self.assertEqual(c.mpoly.difference(geom), c.difference) - if not spatialite: - self.assertEqual(c.mpoly.intersection(geom), c.intersection) - self.assertEqual(c.mpoly.sym_difference(geom), c.sym_difference) - self.assertEqual(c.mpoly.union(geom), c.union) - - @no_mysql - @no_spatialite # SpatiaLite does not have an Extent function - def test_extent(self): - "Testing the `extent` GeoQuerySet method." - # Reference query: - # `SELECT ST_extent(point) FROM geoapp_city WHERE (name='Houston' or name='Dallas');` - # => BOX(-96.8016128540039 29.7633724212646,-95.3631439208984 32.7820587158203) - expected = (-96.8016128540039, 29.7633724212646, -95.3631439208984, 32.782058715820) - - qs = City.objects.filter(name__in=('Houston', 'Dallas')) - extent = qs.extent() - - for val, exp in zip(extent, expected): - self.assertAlmostEqual(exp, val, 4) - - @no_mysql - @no_oracle - @no_spatialite - def test_force_rhr(self): - "Testing GeoQuerySet.force_rhr()." - rings = ( ( (0, 0), (5, 0), (0, 5), (0, 0) ), - ( (1, 1), (1, 3), (3, 1), (1, 1) ), - ) - rhr_rings = ( ( (0, 0), (0, 5), (5, 0), (0, 0) ), - ( (1, 1), (3, 1), (1, 3), (1, 1) ), - ) - State.objects.create(name='Foo', poly=Polygon(*rings)) - s = State.objects.force_rhr().get(name='Foo') - self.assertEqual(rhr_rings, s.force_rhr.coords) - - @no_mysql - @no_oracle - @no_spatialite - def test_geohash(self): - "Testing GeoQuerySet.geohash()." - if not connection.ops.geohash: return - # Reference query: - # SELECT ST_GeoHash(point) FROM geoapp_city WHERE name='Houston'; - # SELECT ST_GeoHash(point, 5) FROM geoapp_city WHERE name='Houston'; - ref_hash = '9vk1mfq8jx0c8e0386z6' - h1 = City.objects.geohash().get(name='Houston') - h2 = City.objects.geohash(precision=5).get(name='Houston') - self.assertEqual(ref_hash, h1.geohash) - self.assertEqual(ref_hash[:5], h2.geohash) - - def test_geojson(self): - "Testing GeoJSON output from the database using GeoQuerySet.geojson()." - # Only PostGIS 1.3.4+ and SpatiaLite 3.0+ support GeoJSON. - if not connection.ops.geojson: - self.assertRaises(NotImplementedError, Country.objects.all().geojson, field_name='mpoly') - return - - pueblo_json = '{"type":"Point","coordinates":[-104.609252,38.255001]}' - houston_json = '{"type":"Point","crs":{"type":"name","properties":{"name":"EPSG:4326"}},"coordinates":[-95.363151,29.763374]}' - victoria_json = '{"type":"Point","bbox":[-123.30519600,48.46261100,-123.30519600,48.46261100],"coordinates":[-123.305196,48.462611]}' - chicago_json = '{"type":"Point","crs":{"type":"name","properties":{"name":"EPSG:4326"}},"bbox":[-87.65018,41.85039,-87.65018,41.85039],"coordinates":[-87.65018,41.85039]}' - if postgis and connection.ops.spatial_version < (1, 4, 0): - pueblo_json = '{"type":"Point","coordinates":[-104.60925200,38.25500100]}' - houston_json = '{"type":"Point","crs":{"type":"EPSG","properties":{"EPSG":4326}},"coordinates":[-95.36315100,29.76337400]}' - victoria_json = '{"type":"Point","bbox":[-123.30519600,48.46261100,-123.30519600,48.46261100],"coordinates":[-123.30519600,48.46261100]}' - elif spatialite: - victoria_json = '{"type":"Point","bbox":[-123.305196,48.462611,-123.305196,48.462611],"coordinates":[-123.305196,48.462611]}' - - # Precision argument should only be an integer - self.assertRaises(TypeError, City.objects.geojson, precision='foo') - - # Reference queries and values. - # SELECT ST_AsGeoJson("geoapp_city"."point", 8, 0) FROM "geoapp_city" WHERE "geoapp_city"."name" = 'Pueblo'; - self.assertEqual(pueblo_json, City.objects.geojson().get(name='Pueblo').geojson) - - # 1.3.x: SELECT ST_AsGeoJson("geoapp_city"."point", 8, 1) FROM "geoapp_city" WHERE "geoapp_city"."name" = 'Houston'; - # 1.4.x: SELECT ST_AsGeoJson("geoapp_city"."point", 8, 2) FROM "geoapp_city" WHERE "geoapp_city"."name" = 'Houston'; - # This time we want to include the CRS by using the `crs` keyword. - self.assertEqual(houston_json, City.objects.geojson(crs=True, model_att='json').get(name='Houston').json) - - # 1.3.x: SELECT ST_AsGeoJson("geoapp_city"."point", 8, 2) FROM "geoapp_city" WHERE "geoapp_city"."name" = 'Victoria'; - # 1.4.x: SELECT ST_AsGeoJson("geoapp_city"."point", 8, 1) FROM "geoapp_city" WHERE "geoapp_city"."name" = 'Houston'; - # This time we include the bounding box by using the `bbox` keyword. - self.assertEqual(victoria_json, City.objects.geojson(bbox=True).get(name='Victoria').geojson) - - # 1.(3|4).x: SELECT ST_AsGeoJson("geoapp_city"."point", 5, 3) FROM "geoapp_city" WHERE "geoapp_city"."name" = 'Chicago'; - # Finally, we set every available keyword. - self.assertEqual(chicago_json, City.objects.geojson(bbox=True, crs=True, precision=5).get(name='Chicago').geojson) - - def test_gml(self): - "Testing GML output from the database using GeoQuerySet.gml()." - if mysql or (spatialite and not connection.ops.gml) : - self.assertRaises(NotImplementedError, Country.objects.all().gml, field_name='mpoly') - return - - # Should throw a TypeError when tyring to obtain GML from a - # non-geometry field. - qs = City.objects.all() - self.assertRaises(TypeError, qs.gml, field_name='name') - ptown1 = City.objects.gml(field_name='point', precision=9).get(name='Pueblo') - ptown2 = City.objects.gml(precision=9).get(name='Pueblo') - - if oracle: - # No precision parameter for Oracle :-/ - gml_regex = re.compile(r'^<gml:Point srsName="SDO:4326" xmlns:gml="http://www.opengis.net/gml"><gml:coordinates decimal="\." cs="," ts=" ">-104.60925\d+,38.25500\d+ </gml:coordinates></gml:Point>') - elif spatialite and connection.ops.spatial_version < (3, 0, 0): - # Spatialite before 3.0 has extra colon in SrsName - gml_regex = re.compile(r'^<gml:Point SrsName="EPSG::4326"><gml:coordinates decimal="\." cs="," ts=" ">-104.609251\d+,38.255001</gml:coordinates></gml:Point>') - else: - gml_regex = re.compile(r'^<gml:Point srsName="EPSG:4326"><gml:coordinates>-104\.60925\d+,38\.255001</gml:coordinates></gml:Point>') - - for ptown in [ptown1, ptown2]: - self.assertTrue(gml_regex.match(ptown.gml)) - - # PostGIS < 1.5 doesn't include dimension im GMLv3 output. - if postgis and connection.ops.spatial_version >= (1, 5, 0): - self.assertIn('<gml:pos srsDimension="2">', - City.objects.gml(version=3).get(name='Pueblo').gml) - - def test_kml(self): - "Testing KML output from the database using GeoQuerySet.kml()." - # Only PostGIS and Spatialite (>=2.4.0-RC4) support KML serialization - if not (postgis or (spatialite and connection.ops.kml)): - self.assertRaises(NotImplementedError, State.objects.all().kml, field_name='poly') - return - - # Should throw a TypeError when trying to obtain KML from a - # non-geometry field. - qs = City.objects.all() - self.assertRaises(TypeError, qs.kml, 'name') - - # The reference KML depends on the version of PostGIS used - # (the output stopped including altitude in 1.3.3). - if connection.ops.spatial_version >= (1, 3, 3): - ref_kml = '<Point><coordinates>-104.609252,38.255001</coordinates></Point>' - else: - ref_kml = '<Point><coordinates>-104.609252,38.255001,0</coordinates></Point>' - - # Ensuring the KML is as expected. - ptown1 = City.objects.kml(field_name='point', precision=9).get(name='Pueblo') - ptown2 = City.objects.kml(precision=9).get(name='Pueblo') - for ptown in [ptown1, ptown2]: - self.assertEqual(ref_kml, ptown.kml) - - # Only PostGIS has support for the MakeLine aggregate. - @no_mysql - @no_oracle - @no_spatialite - def test_make_line(self): - "Testing the `make_line` GeoQuerySet method." - # Ensuring that a `TypeError` is raised on models without PointFields. - self.assertRaises(TypeError, State.objects.make_line) - self.assertRaises(TypeError, Country.objects.make_line) - # Reference query: - # SELECT AsText(ST_MakeLine(geoapp_city.point)) FROM geoapp_city; - ref_line = GEOSGeometry('LINESTRING(-95.363151 29.763374,-96.801611 32.782057,-97.521157 34.464642,174.783117 -41.315268,-104.609252 38.255001,-95.23506 38.971823,-87.650175 41.850385,-123.305196 48.462611)', srid=4326) - self.assertEqual(ref_line, City.objects.make_line()) - - @no_mysql - def test_num_geom(self): - "Testing the `num_geom` GeoQuerySet method." - # Both 'countries' only have two geometries. - for c in Country.objects.num_geom(): - self.assertEqual(2, c.num_geom) - - for c in City.objects.filter(point__isnull=False).num_geom(): - # Oracle and PostGIS 2.0+ will return 1 for the number of - # geometries on non-collections, whereas PostGIS < 2.0.0 - # will return None. - if postgis and connection.ops.spatial_version < (2, 0, 0): - self.assertIsNone(c.num_geom) - else: - self.assertEqual(1, c.num_geom) - - @no_mysql - @no_spatialite # SpatiaLite can only count vertices in LineStrings - def test_num_points(self): - "Testing the `num_points` GeoQuerySet method." - for c in Country.objects.num_points(): - self.assertEqual(c.mpoly.num_points, c.num_points) - - if not oracle: - # Oracle cannot count vertices in Point geometries. - for c in City.objects.num_points(): self.assertEqual(1, c.num_points) - - @no_mysql - def test_point_on_surface(self): - "Testing the `point_on_surface` GeoQuerySet method." - # Reference values. - if oracle: - # SELECT SDO_UTIL.TO_WKTGEOMETRY(SDO_GEOM.SDO_POINTONSURFACE(GEOAPP_COUNTRY.MPOLY, 0.05)) FROM GEOAPP_COUNTRY; - ref = {'New Zealand' : fromstr('POINT (174.616364 -36.100861)', srid=4326), - 'Texas' : fromstr('POINT (-103.002434 36.500397)', srid=4326), - } - - elif postgis or spatialite: - # Using GEOSGeometry to compute the reference point on surface values - # -- since PostGIS also uses GEOS these should be the same. - ref = {'New Zealand' : Country.objects.get(name='New Zealand').mpoly.point_on_surface, - 'Texas' : Country.objects.get(name='Texas').mpoly.point_on_surface - } - - for c in Country.objects.point_on_surface(): - if spatialite: - # XXX This seems to be a WKT-translation-related precision issue? - tol = 0.00001 - else: - tol = 0.000000001 - self.assertEqual(True, ref[c.name].equals_exact(c.point_on_surface, tol)) - - @no_mysql - @no_spatialite - def test_reverse_geom(self): - "Testing GeoQuerySet.reverse_geom()." - coords = [ (-95.363151, 29.763374), (-95.448601, 29.713803) ] - Track.objects.create(name='Foo', line=LineString(coords)) - t = Track.objects.reverse_geom().get(name='Foo') - coords.reverse() - self.assertEqual(tuple(coords), t.reverse_geom.coords) - if oracle: - self.assertRaises(TypeError, State.objects.reverse_geom) - - @no_mysql - @no_oracle - def test_scale(self): - "Testing the `scale` GeoQuerySet method." - xfac, yfac = 2, 3 - tol = 5 # XXX The low precision tolerance is for SpatiaLite - qs = Country.objects.scale(xfac, yfac, model_att='scaled') - for c in qs: - for p1, p2 in zip(c.mpoly, c.scaled): - for r1, r2 in zip(p1, p2): - for c1, c2 in zip(r1.coords, r2.coords): - self.assertAlmostEqual(c1[0] * xfac, c2[0], tol) - self.assertAlmostEqual(c1[1] * yfac, c2[1], tol) - - @no_mysql - @no_oracle - @no_spatialite - def test_snap_to_grid(self): - "Testing GeoQuerySet.snap_to_grid()." - # Let's try and break snap_to_grid() with bad combinations of arguments. - for bad_args in ((), range(3), range(5)): - self.assertRaises(ValueError, Country.objects.snap_to_grid, *bad_args) - for bad_args in (('1.0',), (1.0, None), tuple(map(six.text_type, range(4)))): - self.assertRaises(TypeError, Country.objects.snap_to_grid, *bad_args) - - # Boundary for San Marino, courtesy of Bjorn Sandvik of thematicmapping.org - # from the world borders dataset he provides. - wkt = ('MULTIPOLYGON(((12.41580 43.95795,12.45055 43.97972,12.45389 43.98167,' - '12.46250 43.98472,12.47167 43.98694,12.49278 43.98917,' - '12.50555 43.98861,12.51000 43.98694,12.51028 43.98277,' - '12.51167 43.94333,12.51056 43.93916,12.49639 43.92333,' - '12.49500 43.91472,12.48778 43.90583,12.47444 43.89722,' - '12.46472 43.89555,12.45917 43.89611,12.41639 43.90472,' - '12.41222 43.90610,12.40782 43.91366,12.40389 43.92667,' - '12.40500 43.94833,12.40889 43.95499,12.41580 43.95795)))') - sm = Country.objects.create(name='San Marino', mpoly=fromstr(wkt)) - - # Because floating-point arithmetic isn't exact, we set a tolerance - # to pass into GEOS `equals_exact`. - tol = 0.000000001 - - # SELECT AsText(ST_SnapToGrid("geoapp_country"."mpoly", 0.1)) FROM "geoapp_country" WHERE "geoapp_country"."name" = 'San Marino'; - ref = fromstr('MULTIPOLYGON(((12.4 44,12.5 44,12.5 43.9,12.4 43.9,12.4 44)))') - self.assertTrue(ref.equals_exact(Country.objects.snap_to_grid(0.1).get(name='San Marino').snap_to_grid, tol)) - - # SELECT AsText(ST_SnapToGrid("geoapp_country"."mpoly", 0.05, 0.23)) FROM "geoapp_country" WHERE "geoapp_country"."name" = 'San Marino'; - ref = fromstr('MULTIPOLYGON(((12.4 43.93,12.45 43.93,12.5 43.93,12.45 43.93,12.4 43.93)))') - self.assertTrue(ref.equals_exact(Country.objects.snap_to_grid(0.05, 0.23).get(name='San Marino').snap_to_grid, tol)) - - # SELECT AsText(ST_SnapToGrid("geoapp_country"."mpoly", 0.5, 0.17, 0.05, 0.23)) FROM "geoapp_country" WHERE "geoapp_country"."name" = 'San Marino'; - ref = fromstr('MULTIPOLYGON(((12.4 43.87,12.45 43.87,12.45 44.1,12.5 44.1,12.5 43.87,12.45 43.87,12.4 43.87)))') - self.assertTrue(ref.equals_exact(Country.objects.snap_to_grid(0.05, 0.23, 0.5, 0.17).get(name='San Marino').snap_to_grid, tol)) - - def test_svg(self): - "Testing SVG output using GeoQuerySet.svg()." - if mysql or oracle: - self.assertRaises(NotImplementedError, City.objects.svg) - return - - self.assertRaises(TypeError, City.objects.svg, precision='foo') - # SELECT AsSVG(geoapp_city.point, 0, 8) FROM geoapp_city WHERE name = 'Pueblo'; - svg1 = 'cx="-104.609252" cy="-38.255001"' - # Even though relative, only one point so it's practically the same except for - # the 'c' letter prefix on the x,y values. - svg2 = svg1.replace('c', '') - self.assertEqual(svg1, City.objects.svg().get(name='Pueblo').svg) - self.assertEqual(svg2, City.objects.svg(relative=5).get(name='Pueblo').svg) - - @no_mysql - def test_transform(self): - "Testing the transform() GeoQuerySet method." - # Pre-transformed points for Houston and Pueblo. - htown = fromstr('POINT(1947516.83115183 6322297.06040572)', srid=3084) - ptown = fromstr('POINT(992363.390841912 481455.395105533)', srid=2774) - prec = 3 # Precision is low due to version variations in PROJ and GDAL. - - # Asserting the result of the transform operation with the values in - # the pre-transformed points. Oracle does not have the 3084 SRID. - if not oracle: - h = City.objects.transform(htown.srid).get(name='Houston') - self.assertEqual(3084, h.point.srid) - self.assertAlmostEqual(htown.x, h.point.x, prec) - self.assertAlmostEqual(htown.y, h.point.y, prec) - - p1 = City.objects.transform(ptown.srid, field_name='point').get(name='Pueblo') - p2 = City.objects.transform(srid=ptown.srid).get(name='Pueblo') - for p in [p1, p2]: - self.assertEqual(2774, p.point.srid) - self.assertAlmostEqual(ptown.x, p.point.x, prec) - self.assertAlmostEqual(ptown.y, p.point.y, prec) - - @no_mysql - @no_oracle - def test_translate(self): - "Testing the `translate` GeoQuerySet method." - xfac, yfac = 5, -23 - qs = Country.objects.translate(xfac, yfac, model_att='translated') - for c in qs: - for p1, p2 in zip(c.mpoly, c.translated): - for r1, r2 in zip(p1, p2): - for c1, c2 in zip(r1.coords, r2.coords): - # XXX The low precision is for SpatiaLite - self.assertAlmostEqual(c1[0] + xfac, c2[0], 5) - self.assertAlmostEqual(c1[1] + yfac, c2[1], 5) - - @no_mysql - def test_unionagg(self): - "Testing the `unionagg` (aggregate union) GeoQuerySet method." - tx = Country.objects.get(name='Texas').mpoly - # Houston, Dallas -- Oracle has different order. - union1 = fromstr('MULTIPOINT(-96.801611 32.782057,-95.363151 29.763374)') - union2 = fromstr('MULTIPOINT(-96.801611 32.782057,-95.363151 29.763374)') - qs = City.objects.filter(point__within=tx) - self.assertRaises(TypeError, qs.unionagg, 'name') - # Using `field_name` keyword argument in one query and specifying an - # order in the other (which should not be used because this is - # an aggregate method on a spatial column) - u1 = qs.unionagg(field_name='point') - u2 = qs.order_by('name').unionagg() - tol = 0.00001 - if oracle: - union = union2 - else: - union = union1 - self.assertEqual(True, union.equals_exact(u1, tol)) - self.assertEqual(True, union.equals_exact(u2, tol)) - qs = City.objects.filter(name='NotACity') - self.assertEqual(None, qs.unionagg(field_name='point')) - - def test_non_concrete_field(self): - pkfield = City._meta.get_field_by_name('id')[0] - orig_pkfield_col = pkfield.column - pkfield.column = None - try: - list(City.objects.all()) - finally: - pkfield.column = orig_pkfield_col |