def test_no_stac_core_conformance(self):
"""Should raise a ConformanceError if the API does not conform to the STAC API - Core spec."""
api_content = read_data_file('astraea_api.json', parse_json=True)
# Remove "conformsTo" attribute
api_content['conformsTo'] = []
with pytest.raises(ConformanceError):
API.from_dict(api_content)
def test_no_conformance(self):
"""Should raise a KeyError if no conformance info can be found. Luckily, the test API doesn't publish
a "conformance" link so we can just remove the "conformsTo" attribute to test this."""
api_content = read_data_file('astraea_api.json', parse_json=True)
# Remove "conformsTo" attribute
del api_content['conformsTo']
with pytest.raises(KeyError):
API.from_dict(api_content)
def test_instance(self):
api = API.from_file(ASTRAEA_API_PATH)
# An API instance is also a Catalog instance
assert isinstance(api, pystac.Catalog)
assert str(api) == '<API id=astraea>'
def test_links(self):
api = API.from_file(ASTRAEA_API_PATH)
# Should be able to get collections via links as with a typical PySTAC Catalog
collection_links = api.get_links('child')
assert len(collection_links) > 0
first_collection = api.get_single_link('child').resolve_stac_object(
root=api).target
assert isinstance(first_collection, pystac.Collection)
def test_legacy_conformance(self):
"""APIs publishing legacy conformance URIs should pass when tested against a ConformanceClass, but
fail when tested against the official URI string"""
api_content = read_data_file('astraea_api.json', parse_json=True)
# Set conformsTo URIs to conform with STAC API - Core using official URI
api_content['conformsTo'] = [
'http://stacspec.org/spec/api/1.0.0-beta.1/core'
]
api = API.from_dict(api_content)
# Must have a conformance property that is the list of URIs from the conformsTo property
assert hasattr(api, 'conformance')
assert api.conformance == api_content['conformsTo']
assert api.conforms_to(ConformanceClasses.STAC_API_CORE)
assert not api.conforms_to(
'https://api.stacspec.org/v1.0.0-beta.1/core')
def test_spec_conformance(self):
"""Testing conformance against a ConformanceClass should allow APIs using legacy URIs to pass."""
api_content = read_data_file('astraea_api.json', parse_json=True)
# Set conformsTo URIs to conform with STAC API - Core using official URI
api_content['conformsTo'] = [
'https://api.stacspec.org/v1.0.0-beta.1/core'
]
api = API.from_dict(api_content)
# Must have a conformance property that is the list of URIs from the conformsTo property
assert hasattr(api, 'conformance')
assert api.conformance == api_content['conformsTo']
# Check the conformance to STAC API - Core using the ConformanceClass
assert api.conforms_to(ConformanceClasses.STAC_API_CORE)
# ... and using a URI string
assert api.conforms_to('https://api.stacspec.org/v1.0.0-beta.1/core')
def test_from_file(self):
api = API.from_file(ASTRAEA_URL)
assert api.title == 'Astraea Earth OnDemand'
def api(self):
return API.from_file(str(TEST_DATA / 'astraea_api.json'))
def astraea_api(self):
api_content = read_data_file('astraea_api.json', parse_json=True)
return API.from_dict(api_content)
def api(self):
return API.from_file(ASTRAEA_API_PATH)