66 lines
2.6 KiB
Python
66 lines
2.6 KiB
Python
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import unittest
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from django.forms import ValidationError
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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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class GeometryFieldTest(unittest.TestCase):
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def test00_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 test01_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.failUnless(xform_geom.equals_exact(cleaned_geom, tol))
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def test02_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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self.assertRaises(forms.ValidationError, fld.clean, None)
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# Still not allowed if `null=False`.
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fld = forms.GeometryField(required=False, null=False)
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self.assertRaises(forms.ValidationError, 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.assertEqual(None, fld.clean(None))
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def test03_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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self.assertRaises(forms.ValidationError, pnt_fld.clean, 'LINESTRING(0 0, 1 1)')
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def suite():
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s = unittest.TestSuite()
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s.addTest(unittest.makeSuite(GeometryFieldTest))
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return s
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def run(verbosity=2):
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unittest.TextTestRunner(verbosity=verbosity).run(suite())
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if __name__=="__main__":
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run()
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