def test_item_ext_add_to(self) -> None:
item = pystac.Item.from_file(self.sentinel_example_uri)
item.stac_extensions.remove(SatExtension.get_schema_uri())
self.assertNotIn(SatExtension.get_schema_uri(), item.stac_extensions)
_ = SatExtension.ext(item, add_if_missing=True)
self.assertIn(SatExtension.get_schema_uri(), item.stac_extensions)
def test_asset_ext_add_to(self) -> None:
item = pystac.Item.from_file(self.sentinel_example_uri)
item.stac_extensions.remove(SatExtension.get_schema_uri())
self.assertNotIn(SatExtension.get_schema_uri(), item.stac_extensions)
asset = item.assets["measurement_iw1_vh"]
_ = SatExtension.ext(asset, add_if_missing=True)
self.assertIn(SatExtension.get_schema_uri(), item.stac_extensions)
def test_summaries_adds_uri(self) -> None:
col = self.collection()
col.stac_extensions = []
self.assertRaisesRegex(
pystac.ExtensionNotImplemented,
r"Could not find extension schema URI.*",
SatExtension.summaries,
col,
False,
)
_ = SatExtension.summaries(col, True)
self.assertIn(SatExtension.get_schema_uri(), col.stac_extensions)
SatExtension.remove_from(col)
self.assertNotIn(SatExtension.get_schema_uri(), col.stac_extensions)
def test_extension_not_implemented(self) -> None:
# Should raise exception if Item does not include extension URI
item = pystac.Item.from_file(self.sentinel_example_uri)
item.stac_extensions.remove(SatExtension.get_schema_uri())
with self.assertRaises(pystac.ExtensionNotImplemented):
_ = SatExtension.ext(item)
# Should raise exception if owning Item does not include extension URI
asset = item.assets["measurement_iw1_vh"]
with self.assertRaises(pystac.ExtensionNotImplemented):
_ = SatExtension.ext(asset)
# Should succeed if Asset has no owner
ownerless_asset = pystac.Asset.from_dict(asset.to_dict())
_ = SatExtension.ext(ownerless_asset)
def test_from_dict(self) -> None:
orbit_state = sat.OrbitState.GEOSTATIONARY
relative_orbit = 1001
d: Dict[str, Any] = {
"type": "Feature",
"stac_version": "1.0.0-beta.2",
"id": "an/asset",
"properties": {
"sat:orbit_state": orbit_state.value,
"sat:relative_orbit": relative_orbit,
"datetime": "2018-01-02T00:00:00Z",
},
"geometry": None,
"links": [],
"assets": {},
"stac_extensions": [SatExtension.get_schema_uri()],
}
item = pystac.Item.from_dict(d)
self.assertEqual(orbit_state, SatExtension.ext(item).orbit_state)
self.assertEqual(relative_orbit, SatExtension.ext(item).relative_orbit)