304 lines
14 KiB
Python
304 lines
14 KiB
Python
from unittest import skipUnless
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from django.forms import ValidationError
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from django.contrib.gis.gdal import HAS_GDAL
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from django.contrib.gis.tests.utils import HAS_SPATIALREFSYS
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from django.test import SimpleTestCase
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from django.utils import six
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from django.utils.html import escape
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if HAS_SPATIALREFSYS:
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from django.contrib.gis import forms
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from django.contrib.gis.geos import GEOSGeometry
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@skipUnless(HAS_GDAL and HAS_SPATIALREFSYS, "GeometryFieldTest needs gdal support and a spatial database")
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class GeometryFieldTest(SimpleTestCase):
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def test_init(self):
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"Testing GeometryField initialization with defaults."
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fld = forms.GeometryField()
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for bad_default in ('blah', 3, 'FoO', None, 0):
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self.assertRaises(ValidationError, fld.clean, bad_default)
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def test_srid(self):
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"Testing GeometryField with a SRID set."
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# Input that doesn't specify the SRID is assumed to be in the SRID
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# of the input field.
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fld = forms.GeometryField(srid=4326)
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geom = fld.clean('POINT(5 23)')
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self.assertEqual(4326, geom.srid)
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# Making the field in a different SRID from that of the geometry, and
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# asserting it transforms.
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fld = forms.GeometryField(srid=32140)
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tol = 0.0000001
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xform_geom = GEOSGeometry('POINT (951640.547328465 4219369.26171664)', srid=32140)
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# The cleaned geometry should be transformed to 32140.
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cleaned_geom = fld.clean('SRID=4326;POINT (-95.363151 29.763374)')
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self.assertTrue(xform_geom.equals_exact(cleaned_geom, tol))
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def test_null(self):
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"Testing GeometryField's handling of null (None) geometries."
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# Form fields, by default, are required (`required=True`)
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fld = forms.GeometryField()
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with six.assertRaisesRegex(self, forms.ValidationError,
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"No geometry value provided."):
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fld.clean(None)
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# This will clean None as a geometry (See #10660).
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fld = forms.GeometryField(required=False)
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self.assertIsNone(fld.clean(None))
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def test_geom_type(self):
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"Testing GeometryField's handling of different geometry types."
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# By default, all geometry types are allowed.
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fld = forms.GeometryField()
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for wkt in ('POINT(5 23)', 'MULTIPOLYGON(((0 0, 0 1, 1 1, 1 0, 0 0)))', 'LINESTRING(0 0, 1 1)'):
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self.assertEqual(GEOSGeometry(wkt), fld.clean(wkt))
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pnt_fld = forms.GeometryField(geom_type='POINT')
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self.assertEqual(GEOSGeometry('POINT(5 23)'), pnt_fld.clean('POINT(5 23)'))
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# a WKT for any other geom_type will be properly transformed by `to_python`
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self.assertEqual(GEOSGeometry('LINESTRING(0 0, 1 1)'), pnt_fld.to_python('LINESTRING(0 0, 1 1)'))
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# but rejected by `clean`
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self.assertRaises(forms.ValidationError, pnt_fld.clean, 'LINESTRING(0 0, 1 1)')
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def test_to_python(self):
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"""
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Testing to_python returns a correct GEOSGeometry object or
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a ValidationError
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"""
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fld = forms.GeometryField()
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# to_python returns the same GEOSGeometry for a WKT
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for wkt in ('POINT(5 23)', 'MULTIPOLYGON(((0 0, 0 1, 1 1, 1 0, 0 0)))', 'LINESTRING(0 0, 1 1)'):
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self.assertEqual(GEOSGeometry(wkt), fld.to_python(wkt))
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# but raises a ValidationError for any other string
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for wkt in ('POINT(5)', 'MULTI POLYGON(((0 0, 0 1, 1 1, 1 0, 0 0)))', 'BLAH(0 0, 1 1)'):
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self.assertRaises(forms.ValidationError, fld.to_python, wkt)
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def test_field_with_text_widget(self):
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class PointForm(forms.Form):
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pt = forms.PointField(srid=4326, widget=forms.TextInput)
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form = PointForm()
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cleaned_pt = form.fields['pt'].clean('POINT(5 23)')
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self.assertEqual(cleaned_pt, GEOSGeometry('POINT(5 23)'))
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self.assertEqual(4326, cleaned_pt.srid)
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point = GEOSGeometry('SRID=4326;POINT(5 23)')
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form = PointForm(data={'pt': 'POINT(5 23)'}, initial={'pt': point})
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self.assertFalse(form.has_changed())
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@skipUnless(HAS_GDAL and HAS_SPATIALREFSYS,
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"SpecializedFieldTest needs gdal support and a spatial database")
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class SpecializedFieldTest(SimpleTestCase):
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def setUp(self):
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self.geometries = {
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'point': GEOSGeometry("SRID=4326;POINT(9.052734375 42.451171875)"),
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'multipoint': GEOSGeometry("SRID=4326;MULTIPOINT("
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"(13.18634033203125 14.504356384277344),"
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"(13.207969665527 14.490966796875),"
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"(13.177070617675 14.454917907714))"),
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'linestring': GEOSGeometry("SRID=4326;LINESTRING("
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"-8.26171875 -0.52734375,"
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"-7.734375 4.21875,"
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"6.85546875 3.779296875,"
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"5.44921875 -3.515625)"),
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'multilinestring': GEOSGeometry("SRID=4326;MULTILINESTRING("
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"(-16.435546875 -2.98828125,"
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"-17.2265625 2.98828125,"
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"-0.703125 3.515625,"
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"-1.494140625 -3.33984375),"
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"(-8.0859375 -5.9765625,"
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"8.525390625 -8.7890625,"
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"12.392578125 -0.87890625,"
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"10.01953125 7.646484375))"),
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'polygon': GEOSGeometry("SRID=4326;POLYGON("
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"(-1.669921875 6.240234375,"
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"-3.8671875 -0.615234375,"
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"5.9765625 -3.955078125,"
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"18.193359375 3.955078125,"
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"9.84375 9.4921875,"
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"-1.669921875 6.240234375))"),
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'multipolygon': GEOSGeometry("SRID=4326;MULTIPOLYGON("
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"((-17.578125 13.095703125,"
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"-17.2265625 10.8984375,"
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"-13.974609375 10.1953125,"
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"-13.359375 12.744140625,"
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"-15.732421875 13.7109375,"
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"-17.578125 13.095703125)),"
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"((-8.525390625 5.537109375,"
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"-8.876953125 2.548828125,"
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"-5.888671875 1.93359375,"
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"-5.09765625 4.21875,"
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"-6.064453125 6.240234375,"
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"-8.525390625 5.537109375)))"),
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'geometrycollection': GEOSGeometry("SRID=4326;GEOMETRYCOLLECTION("
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"POINT(5.625 -0.263671875),"
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"POINT(6.767578125 -3.603515625),"
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"POINT(8.525390625 0.087890625),"
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"POINT(8.0859375 -2.13134765625),"
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"LINESTRING("
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"6.273193359375 -1.175537109375,"
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"5.77880859375 -1.812744140625,"
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"7.27294921875 -2.230224609375,"
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"7.657470703125 -1.25244140625))"),
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}
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def assertMapWidget(self, form_instance):
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"""
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Make sure the MapWidget js is passed in the form media and a MapWidget
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is actually created
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"""
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self.assertTrue(form_instance.is_valid())
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rendered = form_instance.as_p()
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self.assertIn('new MapWidget(options);', rendered)
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self.assertIn('gis/js/OLMapWidget.js', str(form_instance.media))
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def assertTextarea(self, geom, rendered):
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"""Makes sure the wkt and a textarea are in the content"""
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self.assertIn('<textarea ', rendered)
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self.assertIn('required', rendered)
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self.assertIn(geom.wkt, rendered)
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def test_pointfield(self):
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class PointForm(forms.Form):
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p = forms.PointField()
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geom = self.geometries['point']
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form = PointForm(data={'p': geom})
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self.assertTextarea(geom, form.as_p())
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self.assertMapWidget(form)
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self.assertFalse(PointForm().is_valid())
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invalid = PointForm(data={'p': 'some invalid geom'})
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self.assertFalse(invalid.is_valid())
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self.assertTrue('Invalid geometry value' in str(invalid.errors))
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for invalid in [geo for key, geo in self.geometries.items() if key != 'point']:
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self.assertFalse(PointForm(data={'p': invalid.wkt}).is_valid())
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def test_multipointfield(self):
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class PointForm(forms.Form):
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p = forms.MultiPointField()
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geom = self.geometries['multipoint']
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form = PointForm(data={'p': geom})
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self.assertTextarea(geom, form.as_p())
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self.assertMapWidget(form)
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self.assertFalse(PointForm().is_valid())
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for invalid in [geo for key, geo in self.geometries.items() if key != 'multipoint']:
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self.assertFalse(PointForm(data={'p': invalid.wkt}).is_valid())
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def test_linestringfield(self):
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class LineStringForm(forms.Form):
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l = forms.LineStringField()
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geom = self.geometries['linestring']
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form = LineStringForm(data={'l': geom})
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self.assertTextarea(geom, form.as_p())
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self.assertMapWidget(form)
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self.assertFalse(LineStringForm().is_valid())
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for invalid in [geo for key, geo in self.geometries.items() if key != 'linestring']:
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self.assertFalse(LineStringForm(data={'p': invalid.wkt}).is_valid())
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def test_multilinestringfield(self):
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class LineStringForm(forms.Form):
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l = forms.MultiLineStringField()
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geom = self.geometries['multilinestring']
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form = LineStringForm(data={'l': geom})
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self.assertTextarea(geom, form.as_p())
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self.assertMapWidget(form)
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self.assertFalse(LineStringForm().is_valid())
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for invalid in [geo for key, geo in self.geometries.items() if key != 'multilinestring']:
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self.assertFalse(LineStringForm(data={'p': invalid.wkt}).is_valid())
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def test_polygonfield(self):
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class PolygonForm(forms.Form):
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p = forms.PolygonField()
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geom = self.geometries['polygon']
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form = PolygonForm(data={'p': geom})
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self.assertTextarea(geom, form.as_p())
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self.assertMapWidget(form)
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self.assertFalse(PolygonForm().is_valid())
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for invalid in [geo for key, geo in self.geometries.items() if key != 'polygon']:
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self.assertFalse(PolygonForm(data={'p': invalid.wkt}).is_valid())
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def test_multipolygonfield(self):
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class PolygonForm(forms.Form):
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p = forms.MultiPolygonField()
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geom = self.geometries['multipolygon']
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form = PolygonForm(data={'p': geom})
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self.assertTextarea(geom, form.as_p())
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self.assertMapWidget(form)
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self.assertFalse(PolygonForm().is_valid())
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for invalid in [geo for key, geo in self.geometries.items() if key != 'multipolygon']:
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self.assertFalse(PolygonForm(data={'p': invalid.wkt}).is_valid())
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def test_geometrycollectionfield(self):
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class GeometryForm(forms.Form):
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g = forms.GeometryCollectionField()
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geom = self.geometries['geometrycollection']
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form = GeometryForm(data={'g': geom})
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self.assertTextarea(geom, form.as_p())
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self.assertMapWidget(form)
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self.assertFalse(GeometryForm().is_valid())
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for invalid in [geo for key, geo in self.geometries.items() if key != 'geometrycollection']:
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self.assertFalse(GeometryForm(data={'g': invalid.wkt}).is_valid())
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def test_osm_widget(self):
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class PointForm(forms.Form):
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p = forms.PointField(widget=forms.OSMWidget)
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geom = self.geometries['point']
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form = PointForm(data={'p': geom})
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rendered = form.as_p()
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self.assertIn("OpenStreetMap (Mapnik)", rendered)
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self.assertIn("id: 'id_p',", rendered)
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@skipUnless(HAS_GDAL and HAS_SPATIALREFSYS,
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"CustomGeometryWidgetTest needs gdal support and a spatial database")
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class CustomGeometryWidgetTest(SimpleTestCase):
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def test_custom_serialization_widget(self):
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class CustomGeometryWidget(forms.BaseGeometryWidget):
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template_name = 'gis/openlayers.html'
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deserialize_called = 0
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def serialize(self, value):
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return value.json if value else ''
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def deserialize(self, value):
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self.deserialize_called += 1
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return GEOSGeometry(value)
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class PointForm(forms.Form):
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p = forms.PointField(widget=CustomGeometryWidget)
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point = GEOSGeometry("SRID=4326;POINT(9.052734375 42.451171875)")
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form = PointForm(data={'p': point})
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self.assertIn(escape(point.json), form.as_p())
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CustomGeometryWidget.called = 0
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widget = form.fields['p'].widget
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# Force deserialize use due to a string value
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self.assertIn(escape(point.json), widget.render('p', point.json))
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self.assertEqual(widget.deserialize_called, 1)
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form = PointForm(data={'p': point.json})
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self.assertTrue(form.is_valid())
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# Ensure that resulting geometry has srid set
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self.assertEqual(form.cleaned_data['p'].srid, 4326)
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