def test_migrates_added_extension(self) -> None:
item = pystac.Item.from_file(
TestCases.get_path("data-files/examples/0.8.1/item-spec/"
"examples/planet-sample.json"))
self.assertTrue(ViewExtension.has_extension(item))
view_ext = ViewExtension.ext(item)
self.assertEqual(view_ext.sun_azimuth, 101.8)
self.assertEqual(view_ext.sun_elevation, 58.8)
self.assertEqual(view_ext.off_nadir, 1)
def test_apply(self) -> None:
item = next(iter(TestCases.test_case_2().get_all_items()))
self.assertFalse(ViewExtension.has_extension(item))
ViewExtension.add_to(item)
ViewExtension.ext(item).apply(
off_nadir=1.0,
incidence_angle=2.0,
azimuth=3.0,
sun_azimuth=4.0,
sun_elevation=5.0,
)
self.assertEqual(ViewExtension.ext(item).off_nadir, 1.0)
self.assertEqual(ViewExtension.ext(item).incidence_angle, 2.0)
self.assertEqual(ViewExtension.ext(item).azimuth, 3.0)
self.assertEqual(ViewExtension.ext(item).sun_azimuth, 4.0)
self.assertEqual(ViewExtension.ext(item).sun_elevation, 5.0)
def test_validate_view(self) -> None:
item = pystac.Item.from_file(self.example_uri)
self.assertTrue(ViewExtension.has_extension(item))
item.validate()