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import pytest
import pystac
from pystac.cache import CollectionCache
from pystac.serialization import (
identify_stac_object,
identify_stac_object_type,
merge_common_properties,
)
from pystac.serialization.identify import STACVersionID, STACVersionRange
from tests.utils import TestCases
from tests.utils.test_cases import ExampleInfo
class TestIdentify:
@pytest.mark.parametrize("example", TestCases.get_examples_info())
def test_identify(self, example: ExampleInfo) -> None:
collection_cache = CollectionCache()
path = example.path
d = pystac.StacIO.default().read_json(path)
if identify_stac_object_type(d) == pystac.STACObjectType.ITEM:
merge_common_properties(
d, json_href=path, collection_cache=collection_cache
)
actual = identify_stac_object(d)
# Explicitly cover __repr__ functions in tests
str_info = str(actual)
assert isinstance(str_info, str)
msg = f"Failed {path}:"
assert actual.object_type == example.object_type, msg
version_contained_in_range = actual.version_range.contains(example.stac_version)
assert version_contained_in_range, msg
assert set(actual.extensions) == set(example.extensions), msg
def test_identify_non_stac_type(self) -> None:
plain_feature_dict = {
"type": "Feature",
"properties": {},
"geometry": {"type": "Point", "coordinates": [0, 0]},
}
assert identify_stac_object_type(plain_feature_dict) is None
def test_identify_invalid_stac_object_with_version(self) -> None:
# Has stac_version but is not a valid STAC object
invalid_dict = {
"id": "concepts",
"title": "Concepts catalogs",
"links": [
{
"rel": "self",
"type": "application/json",
"href": "https://tamn.snapplanet.io/catalogs/concepts",
},
{
"rel": "root",
"type": "application/json",
"href": "https://tamn.snapplanet.io",
},
],
"stac_version": "1.1.0",
}
with pytest.raises(pystac.STACTypeError) as ctx:
identify_stac_object(invalid_dict)
assert "JSON (id = concepts) does not represent a STACObject instance." in str(
ctx.value.args[0]
)
def test_identify_non_stac_raises_error(self) -> None:
plain_feature_dict = {
"type": "Feature",
"properties": {},
"geometry": {"type": "Point", "coordinates": [0, 0]},
}
with pytest.raises(pystac.STACTypeError) as ctx:
identify_stac_object(plain_feature_dict)
assert "JSON (id = unknown) does not represent a STACObject instance." in str(
ctx.value.args[0]
)
def test_identify_invalid_with_stac_version(self) -> None:
not_stac = {"stac_version": "0.9.0", "type": "Custom"}
assert identify_stac_object_type(not_stac) is None
def test_version_ordering() -> None:
assert STACVersionID("0.9.0") == STACVersionID("0.9.0")
assert not STACVersionID("0.9.0") != STACVersionID("0.9.0")
assert not STACVersionID("0.9.0") > STACVersionID("0.9.0")
assert STACVersionID("1.0.0-beta.2") < "1.0.0"
assert STACVersionID("0.9.1") > "0.9.0"
assert not STACVersionID("0.9.0") > "0.9.0"
assert STACVersionID("0.9.0") <= "0.9.0"
assert STACVersionID("1.0.0-beta.1") <= STACVersionID("1.0.0-beta.2")
assert not STACVersionID("1.0.0") < STACVersionID("1.0.0-beta.2")
def test_version_range_ordering() -> None:
version_range = STACVersionRange("0.9.0", "1.0.0-beta.2")
assert isinstance(str(version_range), str)
assert version_range.contains("1.0.0-beta.1")
assert not version_range.contains("1.0.0")
assert version_range.is_later_than("0.8.9")
version_range = STACVersionRange("0.9.0", "1.0.0-beta.1")
assert not version_range.contains("1.0.0-beta.2")
version_range = STACVersionRange(min_version="0.6.0-rc1", max_version="0.9.0")
assert version_range.contains("0.9.0")
def test_version_range_set_to_single() -> None:
version_range = STACVersionRange()
version_range.set_min("1.0.0-beta.1")
version_range.set_to_single("1.0.0")
assert version_range.contains("1.0.0")
def test_version_range_set_min_and_max_directly() -> None:
version_range = STACVersionRange()
version_range.min_version = "1.0.0-beta.1" # type:ignore
version_range.max_version = "1.1.0" # type:ignore
assert version_range.contains("1.0.0")
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