def test_item_deserialization_invalid_link(self):
sample = self.data_factory.create_item_sample(
collection=self.collection.model,
sample='item-invalid-link',
)
# translate to Python native:
serializer = ItemSerializer(data=sample.get_json('deserialize'))
with self.assertRaises(ValidationError):
serializer.is_valid(raise_exception=True)
def test_item_deserialization_missing_required(self):
data = OrderedDict([
("collection", self.collection["name"]),
("id", "test"),
])
# translate to Python native:
serializer = ItemSerializer(data=data)
with self.assertRaises(ValidationError):
serializer.is_valid(raise_exception=True)
def test_item_deserialization_end_date_before_start_date(self):
today = datetime.utcnow()
yesterday = today - timedelta(days=1)
sample = self.data_factory.create_item_sample(
collection=self.collection.model,
sample='item-1',
properties={
'start_datetime': isoformat(utc_aware(today)),
"end_datetime": isoformat(utc_aware(yesterday))
})
# translate to Python native:
serializer = ItemSerializer(data=sample.get_json('deserialize'))
with self.assertRaises(ValidationError):
serializer.is_valid(raise_exception=True)
def test_item_serialization_datetime_range(self):
sample = self.data_factory.create_item_sample(
collection=self.collection.model, sample='item-2')
# translate to Python native:
context = {
'request':
api_request_mocker.get(
f'{STAC_BASE_V}/collections/{self.collection["name"]}/items/{sample["name"]}'
)
}
serializer = ItemSerializer(sample.model, context=context)
python_native = serializer.data
logger.debug('python native:\n%s', pformat(python_native))
# translate to JSON:
json_string = JSONRenderer().render(python_native,
renderer_context={'indent': 2})
logger.debug('json string: %s', json_string.decode("utf-8"))
self.assertSetEqual(
set([
'stac_version', 'id', 'bbox', 'geometry', 'type', 'properties',
'links', 'assets'
]).difference(python_native.keys()),
set(),
msg="These required fields by the STAC API spec are missing")
self.check_stac_item(sample.json, python_native,
self.collection["name"])
def test_item_deserialization_update_remove_title(self):
original_sample = self.data_factory.create_item_sample(
collection=self.collection.model,
sample='item-1',
)
sample = self.data_factory.create_item_sample(
collection=self.collection.model,
sample='item-2',
name=original_sample["name"],
properties={"datetime": isoformat(utc_aware(datetime.utcnow()))})
serializer = ItemSerializer(original_sample.model,
data=sample.get_json('deserialize'))
serializer.is_valid(raise_exception=True)
item = serializer.save()
# mock a request needed for the serialization of links
context = {
'request':
api_request_mocker.get(
f'{STAC_BASE_V}/collections/{self.collection["name"]}/items/{sample["name"]}'
)
}
serializer = ItemSerializer(item, context=context)
python_native = serializer.data
self.check_stac_item(sample.json, python_native,
self.collection["name"])
self.assertNotIn('title',
python_native['properties'].keys(),
msg="Title was not removed")
def test_item_deserialization_update(self):
original_sample = self.data_factory.create_item_sample(
collection=self.collection.model,
sample='item-1',
)
sample = self.data_factory.create_item_sample(
collection=self.collection.model,
sample='item-2',
name=original_sample["name"])
serializer = ItemSerializer(original_sample.model,
data=sample.get_json('deserialize'))
serializer.is_valid(raise_exception=True)
item = serializer.save()
# mock a request needed for the serialization of links
context = {
'request':
api_request_mocker.get(
f'{STAC_BASE_V}/collections/{self.collection["name"]}/items/{sample["name"]}'
)
}
serializer = ItemSerializer(item, context=context)
python_native = serializer.data
self.check_stac_item(sample.json, python_native,
self.collection["name"])
self.assertIsNone(get_link(python_native['links'], 'describedBy'),
msg='Link describedBy was not removed in update')
def test_item_serialization(self):
context = {
'request':
api_request_mocker.get(
f'{STAC_BASE_V}/collections/{self.collection["name"]}/items/{self.item["name"]}'
)
}
serializer = ItemSerializer(self.item.model, context=context)
python_native = serializer.data
logger.debug('python native:\n%s', pformat(python_native))
# translate to JSON:
json_string = JSONRenderer().render(python_native,
renderer_context={'indent': 2})
logger.debug('json string: %s', json_string.decode("utf-8"))
self.assertSetEqual(
set([
'stac_version', 'id', 'bbox', 'geometry', 'type', 'properties',
'links', 'assets'
]).difference(python_native.keys()),
set(),
msg="These required fields by the STAC API spec are missing")
collection_name = self.collection.model.name
item_name = self.item.model.name
expected_asset = self.asset.json
expected_asset.pop('id')
expected_asset.pop('item')
expected = self.item.json
expected.update({
'assets': {
self.asset['name']: expected_asset
},
'bbox': (5.644711, 46.775054, 7.602408, 49.014995),
'stac_extensions': [
'eo', 'proj', 'view',
'https://data.geo.admin.ch/stac/geoadmin-extension/1.0/schema.json'
],
'stac_version':
settings.STAC_VERSION,
'type':
'Feature'
})
self.check_stac_item(expected, python_native, collection_name)
def test_item_deserialization_create_full(self):
sample = self.data_factory.create_item_sample(
collection=self.collection.model, sample='item-1')
# translate to Python native:
serializer = ItemSerializer(data=sample.get_json('deserialize'))
serializer.is_valid(raise_exception=True)
item = serializer.save()
# serialize the object and test it against the one above
# mock a request needed for the serialization of links
context = {
'request':
api_request_mocker.get(
f'{STAC_BASE_V}/collections/{self.collection["name"]}/items/{sample["name"]}'
)
}
serializer = ItemSerializer(item, context=context)
python_native = serializer.data
self.check_stac_item(sample.json, python_native,
self.collection["name"])