def test_collection_deserialization_invalid_provider(self):
data = self.data_factory.create_collection_sample(
sample='collection-invalid-providers').get_json('deserialize')
# translate to Python native:
serializer = CollectionSerializer(data=data)
with self.assertRaises(ValidationError):
serializer.is_valid(raise_exception=True)
def test_collection_deserialization_update_existing(self):
# Create a collection
collection = self.data_factory.create_collection_sample(
sample='collection-1').model
# Get a new samples based on another sample
sample = self.data_factory.create_collection_sample(
sample='collection-4', name=collection.name)
context = {
'request':
api_request_mocker.get(
f'{STAC_BASE_V}/collections/{collection.name}')
}
serializer = CollectionSerializer(collection,
data=sample.get_json('deserialize'),
context=context)
serializer.is_valid(raise_exception=True)
collection = serializer.save()
# serialize the object and test it against the one above
# mock a request needed for the serialization of links
serializer = CollectionSerializer(collection, context=context)
python_native = serializer.data
self.check_stac_collection(sample.json, python_native)
self.assertNotIn('providers',
python_native,
msg='Providers have not been removed')
self.assertIn('links', python_native, msg='Generated links missing')
self.assertIsNone(get_link(python_native['links'], 'describedBy'),
msg='User link describedBy have not been removed')
def test_collection_deserialization_create_only_required(self):
sample = self.data_factory.create_collection_sample(required_only=True)
serializer = CollectionSerializer(data=sample.get_json('deserialize'))
serializer.is_valid(raise_exception=True)
collection = serializer.save()
# mock a request needed for the serialization of links
context = {
'request':
api_request_mocker.get(
f'{STAC_BASE_V}/collections/{collection.name}')
}
serializer = CollectionSerializer(collection, context=context)
python_native = serializer.data
self.check_stac_collection(sample.json, python_native)
) collection3.save() # populate the ManyToMany relation fields collection3.links.add(link_root) collection3.providers.add(provider1, provider3) collection3.save() provider1.save() provider2.save() provider3.save() link_root.save() # test the serialization process: # translate into Python native serializer = CollectionSerializer(collection1) serializer.data # translate into json content = JSONRenderer().render(serializer.data) content # back-translate into Python native stream = io.BytesIO(content) data = JSONParser().parse(stream) # back-translate into fully populated object instance serializer = CollectionSerializer(data=data) serializer.is_valid() # hopefully True, if False, serializer.errors gives hints serializer.validated_data
def test_collection_serialization(self):
collection_name = self.collection.model.name
# mock a request needed for the serialization of links
context = {
'request':
api_request_mocker.get(
f'{STAC_BASE_V}/collections/{collection_name}')
}
# transate to Python native:
serializer = CollectionSerializer(self.collection.model,
context=context)
python_native = serializer.data
logger.debug('python native:\n%s', pformat(python_native))
# translate to JSON:
content = JSONRenderer().render(python_native)
logger.debug('json string: %s', content.decode("utf-8"))
expected = self.collection.get_json('serialize')
expected.update({
'created':
isoformat(self.collection_created),
'crs': ['http://www.opengis.net/def/crs/OGC/1.3/CRS84'],
'extent':
OrderedDict([('spatial', {
'bbox': [[5.644711, 46.775054, 7.602408, 49.014995]]
}),
('temporal', {
'interval':
[['2020-10-28T13:05:10Z', '2020-10-28T13:05:10Z']]
})]),
'itemType':
'Feature',
'links': [
OrderedDict([
('rel', 'self'),
('href',
f'http://testserver/api/stac/v0.9/collections/{collection_name}'
),
]),
OrderedDict([
('rel', 'root'),
('href', 'http://testserver/api/stac/v0.9/'),
]),
OrderedDict([
('rel', 'parent'),
('href', 'http://testserver/api/stac/v0.9/collections'),
]),
OrderedDict([
('rel', 'items'),
('href',
f'http://testserver/api/stac/v0.9/collections/{collection_name}/items'
),
]),
OrderedDict([
('href', 'https://www.example.com/described-by'),
('rel', 'describedBy'),
('type', 'description'),
('title', 'This is an extra link'),
])
],
'providers': [
{
'name': 'provider-1',
'roles': ['licensor', 'producer'],
'description':
'This is a full description of the provider',
'url': 'https://www.provider.com'
},
{
'name': 'provider-2',
'roles': ['licensor'],
'description':
'This is a full description of a second provider',
'url': 'https://www.provider.com/provider-2'
},
{
'name': 'provider-3',
},
],
'stac_extensions': [
'eo', 'proj', 'view',
'https://data.geo.admin.ch/stac/geoadmin-extension/1.0/schema.json'
],
'stac_version':
settings.STAC_VERSION,
'summaries': {
'eo:gsd': [3.4],
'geoadmin:variant': ['kgrs'],
'proj:epsg': [2056],
},
'updated':
isoformat(self.collection_created)
})
self.check_stac_collection(expected, python_native)
def test_empty_collection_serialization(self):
collection_name = self.collection.model.name
# mock a request needed for the serialization of links
context = {
'request':
api_request_mocker.get(
f'{STAC_BASE_V}/collections/{collection_name}')
}
# transate to Python native:
serializer = CollectionSerializer(self.collection.model,
context=context)
python_native = serializer.data
logger.debug('python native:\n%s', pformat(python_native))
# translate to JSON:
content = JSONRenderer().render(python_native)
logger.debug('json string: %s', content.decode("utf-8"))
expected = self.collection.get_json('serialize')
expected.update({
'created':
isoformat(self.collection_created),
'crs': ['http://www.opengis.net/def/crs/OGC/1.3/CRS84'],
'extent': {
'spatial': {
'bbox': [[]]
},
'temporal': {
'interval': [[None, None]]
}
},
'itemType':
'Feature',
'links': [
OrderedDict([
('rel', 'self'),
('href',
f'http://testserver/api/stac/v0.9/collections/{collection_name}'
),
]),
OrderedDict([
('rel', 'root'),
('href', 'http://testserver/api/stac/v0.9/'),
]),
OrderedDict([
('rel', 'parent'),
('href', 'http://testserver/api/stac/v0.9/'),
]),
OrderedDict([
('rel', 'items'),
('href',
f'http://testserver/api/stac/v0.9/collections/{collection_name}/items'
),
]),
OrderedDict([
('href', 'https://www.example.com/described-by'),
('rel', 'describedBy'),
('type', 'description'),
('title', 'This is an extra collection link'),
])
],
'providers': [
{
'name': 'provider-1',
'roles': ['licensor', 'producer'],
'description':
'This is a full description of the provider',
'url': 'https://www.provider.com'
},
{
'name': 'provider-2',
'roles': ['licensor'],
'description':
'This is a full description of a second provider',
'url': 'https://www.provider.com/provider-2'
},
{
'name': 'provider-3',
},
],
'stac_version':
settings.STAC_VERSION,
'summaries': {},
'updated':
isoformat(self.collection_created)
})
self.check_stac_collection(expected, python_native)