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[1.9.x] Relaxed a test for PostGIS 2.3.

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Backport of 79c91070e5797f647347c2f8bdfc4c7a0f835fb3 from master
This commit is contained in:
Tim Graham 2016-09-30 09:07:10 -04:00
parent 108613eab7
commit f0b55f160f
1 changed files with 7 additions and 4 deletions
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tests/gis_tests/geoapp/test_functions.py
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@ -153,13 +153,16 @@ class GISFunctionsTests(TestCase):
@skipUnlessDBFeature("has_BoundingCircle_function") @skipUnlessDBFeature("has_BoundingCircle_function")
def test_bounding_circle(self): def test_bounding_circle(self):
# The weak precision in the assertions is because the BoundingCircle
# calculation changed on PostGIS 2.3.
qs = Country.objects.annotate(circle=functions.BoundingCircle('mpoly')).order_by('name') qs = Country.objects.annotate(circle=functions.BoundingCircle('mpoly')).order_by('name')
self.assertAlmostEqual(qs[0].circle.area, 168.89, 2) self.assertAlmostEqual(qs[0].circle.area, 169, 0)
self.assertAlmostEqual(qs[1].circle.area, 135.95, 2) self.assertAlmostEqual(qs[1].circle.area, 136, 0)
qs = Country.objects.annotate(circle=functions.BoundingCircle('mpoly', num_seg=12)).order_by('name') qs = Country.objects.annotate(circle=functions.BoundingCircle('mpoly', num_seg=12)).order_by('name')
self.assertAlmostEqual(qs[0].circle.area, 168.44, 2) self.assertGreater(qs[0].circle.area, 168.4, 0)
self.assertAlmostEqual(qs[1].circle.area, 135.59, 2) self.assertLess(qs[0].circle.area, 169.5, 0)
self.assertAlmostEqual(qs[1].circle.area, 136, 0)
@skipUnlessDBFeature("has_Centroid_function") @skipUnlessDBFeature("has_Centroid_function")
def test_centroid(self): def test_centroid(self):