Example #1
0
    def test_temporal(self):
        dataset = {
            'id':
            '4b6fe9ca-dc77-4cec-92a4-55c6624a5bd6',
            'name':
            'test-dataset',
            'extras': [
                {
                    'key': 'temporal_start',
                    'value': '2015-06-26T15:21:09.075774'
                },
                {
                    'key': 'temporal_end',
                    'value': '2015-07-14'
                },
            ]
        }
        extras = self._extras(dataset)

        s = RDFSerializer()
        g = s.g

        dataset_ref = s.graph_from_dataset(dataset)

        temporal = self._triple(g, dataset_ref, DCT.temporal, None)[2]
        assert temporal

        assert self._triple(g, temporal, RDF.type, DCT.PeriodOfTime)
        assert self._triple(g, temporal, SCHEMA.startDate,
                            parse_date(extras['temporal_start']).isoformat(),
                            XSD.dateTime)
        assert self._triple(g, temporal, SCHEMA.endDate,
                            parse_date(extras['temporal_end']).isoformat(),
                            XSD.dateTime)
Example #2
0
    def test_distribution_both_urls_the_same(self):

        resource = {
            'id': 'c041c635-054f-4431-b647-f9186926d021',
            'package_id': '4b6fe9ca-dc77-4cec-92a4-55c6624a5bd6',
            'name': 'CSV file',
            'url': 'http://example.com/data/file.csv',
            'download_url': 'http://example.com/data/file.csv',
        }

        dataset = {
            'id': '4b6fe9ca-dc77-4cec-92a4-55c6624a5bd6',
            'name': 'test-dataset',
            'title': 'Test DCAT dataset',
            'resources': [resource]
        }

        s = RDFSerializer()
        g = s.g

        dataset_ref = s.graph_from_dataset(dataset)

        distribution = self._triple(g, dataset_ref, DCAT.distribution, None)[2]

        assert self._triple(g, distribution, DCAT.downloadURL,
                            URIRef(resource['url']))
        assert self._triple(g, distribution, DCAT.accessURL, None) is None
Example #3
0
    def test_spatial_bad_json_no_wkt(self):
        dataset = {
            'id': '4b6fe9ca-dc77-4cec-92a4-55c6624a5bd6',
            'name': 'test-dataset',
            'extras': [
                {
                    'key': 'spatial',
                    'value': 'NotJSON'
                },
            ]
        }
        extras = self._extras(dataset)

        s = RDFSerializer()
        g = s.g

        dataset_ref = s.graph_from_dataset(dataset)

        spatial = self._triple(g, dataset_ref, DCT.spatial, None)[2]
        assert spatial
        assert_true(isinstance(spatial, BNode))
        # Geometry in GeoJSON
        assert self._triple(g, spatial, LOCN.geometry, extras['spatial'],
                            GEOJSON_IMT)

        # Geometry in WKT
        eq_(len([t for t in g.triples((spatial, LOCN.geometry, None))]), 1)
Example #4
0
    def test_distribution_format_with_backslash(self):

        resource = {
            'id': 'c041c635-054f-4431-b647-f9186926d021',
            'package_id': '4b6fe9ca-dc77-4cec-92a4-55c6624a5bd6',
            'name': 'CSV file',
            'url': 'http://example.com/data/file.csv',
            'format': 'text/csv',
        }

        dataset = {
            'id': '4b6fe9ca-dc77-4cec-92a4-55c6624a5bd6',
            'name': 'test-dataset',
            'title': 'Test DCAT dataset',
            'resources': [resource]
        }

        s = RDFSerializer()
        g = s.g

        dataset_ref = s.graph_from_dataset(dataset)

        distribution = self._triple(g, dataset_ref, DCAT.distribution, None)[2]

        assert self._triple(g, distribution, DCAT.mediaType,
                            resource['format'])
Example #5
0
    def test_hash_algorithm_not_uri(self):

        resource = {
            'id': 'c041c635-054f-4431-b647-f9186926d021',
            'package_id': '4b6fe9ca-dc77-4cec-92a4-55c6624a5bd6',
            'name': 'CSV file',
            'hash': 'aaaa',
            'hash_algorithm': 'sha1',
        }

        dataset = {
            'id': '4b6fe9ca-dc77-4cec-92a4-55c6624a5bd6',
            'name': 'test-dataset',
            'title': 'Test DCAT dataset',
            'resources': [resource]
        }

        s = RDFSerializer()
        g = s.g

        dataset_ref = s.graph_from_dataset(dataset)

        distribution = self._triple(g, dataset_ref, DCAT.distribution, None)[2]

        checksum = self._triple(g, distribution, SPDX.checksum, None)[2]
        assert checksum
        assert self._triple(
            g,
            checksum,
            SPDX.checksumValue,
            resource['hash'],
            data_type='http://www.w3.org/2001/XMLSchema#hexBinary')
        assert self._triple(g, checksum, SPDX.algorithm,
                            resource['hash_algorithm'])
Example #6
0
    def test_identifier_extra(self):
        dataset = {
            'id':
            '4b6fe9ca-dc77-4cec-92a4-55c6624a5bd6',
            'name':
            'test-dataset',
            'extras': [
                {
                    'key': 'identifier',
                    'value': 'idxxx'
                },
                {
                    'key': 'guid',
                    'value': 'guidyyy'
                },
            ]
        }
        extras = self._extras(dataset)

        s = RDFSerializer()
        g = s.g

        dataset_ref = s.graph_from_dataset(dataset)

        assert self._triple(g, dataset_ref, DCT.identifier,
                            extras['identifier'])
Example #7
0
    def test_identifier_id(self):
        dataset = {
            'id': '4b6fe9ca-dc77-4cec-92a4-55c6624a5bd6',
            'name': 'test-dataset',
        }

        s = RDFSerializer()
        g = s.g

        dataset_ref = s.graph_from_dataset(dataset)

        assert self._triple(g, dataset_ref, DCT.identifier, dataset['id'])
Example #8
0
def iaest_dataset_show(context, data_dict):

    log.debug('Entrando en iaest_dataset_show')
    toolkit.check_access('iaest_dataset_show', context, data_dict)

    dataset_dict = toolkit.get_action('package_show')(context, data_dict)

    serializer = RDFSerializer()

    output = serializer.serialize_dataset(dataset_dict,
                                          _format=data_dict.get('format'))

    return output
Example #9
0
    def test_graph_from_catalog_modified_date(self):

        dataset = factories.Dataset()

        s = RDFSerializer()
        g = s.g

        catalog = s.graph_from_catalog()

        eq_(unicode(catalog), utils.catalog_uri())

        assert self._triple(g, catalog, DCT.modified,
                            dataset['metadata_modified'], XSD.dateTime)
Example #10
0
    def test_publisher_extras(self):
        dataset = {
            'id':
            '4b6fe9ca-dc77-4cec-92a4-55c6624a5bd6',
            'name':
            'test-dataset',
            'organization': {
                'id': '',
                'name': 'publisher1',
                'title': 'Example Publisher from Org',
            },
            'extras': [
                {
                    'key': 'publisher_uri',
                    'value': 'http://example.com/publisher'
                },
                {
                    'key': 'publisher_name',
                    'value': 'Example Publisher'
                },
                {
                    'key': 'publisher_email',
                    'value': '*****@*****.**'
                },
                {
                    'key': 'publisher_url',
                    'value': 'http://example.com/publisher/home'
                },
                {
                    'key': 'publisher_type',
                    'value': 'http://purl.org/adms/publishertype/Company'
                },
            ]
        }
        extras = self._extras(dataset)

        s = RDFSerializer()
        g = s.g

        dataset_ref = s.graph_from_dataset(dataset)

        publisher = self._triple(g, dataset_ref, DCT.publisher, None)[2]
        assert publisher
        eq_(unicode(publisher), extras['publisher_uri'])

        assert self._triple(g, publisher, RDF.type, FOAF.Organization)
        assert self._triple(g, publisher, FOAF.name, extras['publisher_name'])
        assert self._triple(g, publisher, FOAF.mbox, extras['publisher_email'])
        assert self._triple(g, publisher, FOAF.homepage,
                            URIRef(extras['publisher_url']))
        assert self._triple(g, publisher, DCT.type, extras['publisher_type'])
Example #11
0
def iaest_catalog_show(context, data_dict):
    log.debug('Entrando en iaest_catalog_show')
    toolkit.check_access('iaest_catalog_show', context, data_dict)

    query = _search_ckan_datasets(context, data_dict)
    dataset_dicts = query['results']
    pagination_info = _pagination_info(query, data_dict)

    serializer = RDFSerializer()

    output = serializer.serialize_catalog({},
                                          dataset_dicts,
                                          _format=data_dict.get('format'),
                                          pagination_info=pagination_info)

    return output
Example #12
0
    def test_graph_from_catalog(self):

        s = RDFSerializer()
        g = s.g

        catalog = s.graph_from_catalog()

        eq_(unicode(catalog), utils.catalog_uri())

        # Basic fields
        assert self._triple(g, catalog, RDF.type, DCAT.Catalog)
        assert self._triple(g, catalog, DCT.title,
                            config.get('ckan.site_title'))
        assert self._triple(g, catalog, FOAF.homepage,
                            URIRef(config.get('ckan.site_url')))
        assert self._triple(g, catalog, DCT.language, 'en')
Example #13
0
    def test_contact_details_extras(self):
        dataset = {
            'id':
            '4b6fe9ca-dc77-4cec-92a4-55c6624a5bd6',
            'name':
            'test-dataset',
            'maintainer':
            'Example Maintainer',
            'maintainer_email':
            '*****@*****.**',
            'author':
            'Example Author',
            'author_email':
            '*****@*****.**',
            'extras': [
                {
                    'key': 'contact_uri',
                    'value': 'http://example.com/contact'
                },
                {
                    'key': 'contact_name',
                    'value': 'Example Contact'
                },
                {
                    'key': 'contact_email',
                    'value': '*****@*****.**'
                },
            ]
        }
        extras = self._extras(dataset)

        s = RDFSerializer()
        g = s.g

        dataset_ref = s.graph_from_dataset(dataset)

        # Contact details

        contact_details = self._triple(g, dataset_ref, DCAT.contactPoint,
                                       None)[2]
        assert contact_details
        eq_(unicode(contact_details), extras['contact_uri'])
        assert self._triple(g, contact_details, VCARD.fn,
                            extras['contact_name'])
        assert self._triple(g, contact_details, VCARD.hasEmail,
                            extras['contact_email'])
Example #14
0
    def test_spatial(self):
        dataset = {
            'id':
            '4b6fe9ca-dc77-4cec-92a4-55c6624a5bd6',
            'name':
            'test-dataset',
            'extras': [
                {
                    'key': 'spatial_uri',
                    'value': 'http://sws.geonames.org/6361390/'
                },
                {
                    'key': 'spatial_text',
                    'value': 'Tarragona'
                },
                {
                    'key':
                    'spatial',
                    'value':
                    '{"type": "Polygon", "coordinates": [[[1.1870606,41.0786393],[1.1870606,41.1655218],[1.3752339,41.1655218],[1.3752339,41.0786393],[1.1870606,41.0786393]]]}'
                },
            ]
        }
        extras = self._extras(dataset)

        s = RDFSerializer()
        g = s.g

        dataset_ref = s.graph_from_dataset(dataset)

        spatial = self._triple(g, dataset_ref, DCT.spatial, None)[2]
        assert spatial
        eq_(unicode(spatial), extras['spatial_uri'])
        assert self._triple(g, spatial, RDF.type, DCT.Location)
        assert self._triple(g, spatial, SKOS.prefLabel, extras['spatial_text'])

        eq_(len([t for t in g.triples((spatial, LOCN.geometry, None))]), 2)
        # Geometry in GeoJSON
        assert self._triple(g, spatial, LOCN.geometry, extras['spatial'],
                            GEOJSON_IMT)

        # Geometry in WKT
        wkt_geom = wkt.dumps(json.loads(extras['spatial']), decimals=4)
        assert self._triple(g, spatial, LOCN.geometry, wkt_geom,
                            GSP.wktLiteral)
Example #15
0
    def test_distributions(self):

        dataset = {
            'id':
            '4b6fe9ca-dc77-4cec-92a4-55c6624a5bd6',
            'name':
            'test-dataset',
            'title':
            'Test DCAT dataset',
            'resources': [
                {
                    'id': 'c041c635-054f-4431-b647-f9186926d021',
                    'package_id': '4b6fe9ca-dc77-4cec-92a4-55c6624a5bd6',
                    'name': 'CSV file'
                },
                {
                    'id': '8bceeda9-0084-477f-aa33-dad6148900d5',
                    'package_id': '4b6fe9ca-dc77-4cec-92a4-55c6624a5bd6',
                    'name': 'XLS file'
                },
                {
                    'id': 'da73d939-0f11-45a1-9733-5de108383133',
                    'package_id': '4b6fe9ca-dc77-4cec-92a4-55c6624a5bd6',
                    'name': 'PDF file'
                },
            ]
        }

        s = RDFSerializer()
        g = s.g

        dataset_ref = s.graph_from_dataset(dataset)

        eq_(
            len([t
                 for t in g.triples((dataset_ref, DCAT.distribution, None))]),
            3)

        for resource in dataset['resources']:
            distribution = self._triple(g, dataset_ref, DCAT.distribution,
                                        URIRef(
                                            utils.resource_uri(resource)))[2]

            assert self._triple(g, distribution, RDF.type, DCAT.Distribution)
            assert self._triple(g, distribution, DCT.title, resource['name'])
Example #16
0
    def test_alternate_identifier_numeric(self):
        dataset = {
            'id': '4b6fe9ca-dc77-4cec-92a4-55c6624a5bd6',
            'name': 'test-dataset',
            'extras': [
                {
                    'key': 'alternate_identifier',
                    'value': '1.0'
                },
            ]
        }

        s = RDFSerializer()
        g = s.g

        dataset_ref = s.graph_from_dataset(dataset)

        assert self._triple(g, dataset_ref, DCT.identifier, dataset['id'])
Example #17
0
    def test_contact_details_author(self):
        dataset = {
            'id': '4b6fe9ca-dc77-4cec-92a4-55c6624a5bd6',
            'name': 'test-dataset',
            'author': 'Example Author',
            'author_email': '*****@*****.**',
        }

        s = RDFSerializer()
        g = s.g

        dataset_ref = s.graph_from_dataset(dataset)

        contact_details = self._triple(g, dataset_ref, DCAT.contactPoint,
                                       None)[2]
        assert contact_details
        assert_true(isinstance(contact_details, BNode))
        assert self._triple(g, contact_details, VCARD.fn, dataset['author'])
        assert self._triple(g, contact_details, VCARD.hasEmail,
                            dataset['author_email'])
Example #18
0
    def test_publisher_org(self):
        dataset = {
            'id': '4b6fe9ca-dc77-4cec-92a4-55c6624a5bd6',
            'name': 'test-dataset',
            'organization': {
                'id': '',
                'name': 'publisher1',
                'title': 'Example Publisher from Org',
            }
        }

        s = RDFSerializer()
        g = s.g

        dataset_ref = s.graph_from_dataset(dataset)

        publisher = self._triple(g, dataset_ref, DCT.publisher, None)[2]
        assert publisher

        assert self._triple(g, publisher, RDF.type, FOAF.Organization)
        assert self._triple(g, publisher, FOAF.name,
                            dataset['organization']['title'])
Example #19
0
    def test_graph_from_catalog_dict(self):

        catalog_dict = {
            'title': 'My Catalog',
            'description': 'An Open Data Catalog',
            'homepage': 'http://example.com',
            'language': 'de',
        }

        s = RDFSerializer()
        g = s.g

        catalog = s.graph_from_catalog(catalog_dict)

        eq_(unicode(catalog), utils.catalog_uri())

        # Basic fields
        assert self._triple(g, catalog, RDF.type, DCAT.Catalog)
        assert self._triple(g, catalog, DCT.title, catalog_dict['title'])
        assert self._triple(g, catalog, DCT.description,
                            catalog_dict['description'])
        assert self._triple(g, catalog, FOAF.homepage,
                            URIRef(catalog_dict['homepage']))
        assert self._triple(g, catalog, DCT.language, catalog_dict['language'])
Example #20
0
    def test_distribution_size_not_number(self):

        resource = {
            'id': 'c041c635-054f-4431-b647-f9186926d021',
            'package_id': '4b6fe9ca-dc77-4cec-92a4-55c6624a5bd6',
            'name': 'CSV file',
            'size': 'aaaa',
        }

        dataset = {
            'id': '4b6fe9ca-dc77-4cec-92a4-55c6624a5bd6',
            'name': 'test-dataset',
            'title': 'Test DCAT dataset',
            'resources': [resource]
        }

        s = RDFSerializer()
        g = s.g

        dataset_ref = s.graph_from_dataset(dataset)

        distribution = self._triple(g, dataset_ref, DCAT.distribution, None)[2]

        assert self._triple(g, distribution, DCAT.byteSize, resource['size'])
Example #21
0
    def test_publisher_no_uri(self):
        dataset = {
            'id': '4b6fe9ca-dc77-4cec-92a4-55c6624a5bd6',
            'name': 'test-dataset',
            'extras': [
                {
                    'key': 'publisher_name',
                    'value': 'Example Publisher'
                },
            ]
        }
        extras = self._extras(dataset)

        s = RDFSerializer()
        g = s.g

        dataset_ref = s.graph_from_dataset(dataset)

        publisher = self._triple(g, dataset_ref, DCT.publisher, None)[2]
        assert publisher
        assert_true(isinstance(publisher, BNode))

        assert self._triple(g, publisher, RDF.type, FOAF.Organization)
        assert self._triple(g, publisher, FOAF.name, extras['publisher_name'])
Example #22
0
    def test_distribution_fields(self):

        resource = {
            'id': 'c041c635-054f-4431-b647-f9186926d021',
            'package_id': '4b6fe9ca-dc77-4cec-92a4-55c6624a5bd6',
            'name': 'CSV file',
            'description': 'A CSV file',
            'url': 'http://example.com/data/file.csv',
            'status': 'http://purl.org/adms/status/Completed',
            'rights': 'Some statement about rights',
            'license': 'http://creativecommons.org/licenses/by/3.0/',
            'issued': '2015-06-26T15:21:09.034694',
            'modified': '2015-06-26T15:21:09.075774',
            'size': 1234,
            'documentation':
            '[\"http://dataset.info.org/distribution1/doc1\", \"http://dataset.info.org/distribution1/doc2\"]',
            'language': '[\"en\", \"es\", \"ca\"]',
            'conforms_to': '[\"Standard 1\", \"Standard 2\"]',
            'hash': '4304cf2e751e6053c90b1804c89c0ebb758f395a',
            'hash_algorithm':
            'http://spdx.org/rdf/terms#checksumAlgorithm_sha1',
        }

        dataset = {
            'id': '4b6fe9ca-dc77-4cec-92a4-55c6624a5bd6',
            'name': 'test-dataset',
            'title': 'Test DCAT dataset',
            'resources': [resource]
        }

        s = RDFSerializer()
        g = s.g

        dataset_ref = s.graph_from_dataset(dataset)

        eq_(
            len([t
                 for t in g.triples((dataset_ref, DCAT.distribution, None))]),
            1)

        # URI
        distribution = self._triple(g, dataset_ref, DCAT.distribution, None)[2]
        eq_(unicode(distribution), utils.resource_uri(resource))

        # Basic fields
        assert self._triple(g, distribution, RDF.type, DCAT.Distribution)
        assert self._triple(g, distribution, DCT.title, resource['name'])
        assert self._triple(g, distribution, DCT.description,
                            resource['description'])
        assert self._triple(g, distribution, DCT.rights, resource['rights'])
        assert self._triple(g, distribution, DCT.license, resource['license'])
        assert self._triple(g, distribution, ADMS.status, resource['status'])

        # List
        for item in [
            ('documentation', FOAF.page),
            ('language', DCT.language),
            ('conforms_to', DCT.conformsTo),
        ]:
            values = json.loads(resource[item[0]])
            eq_(len([t for t in g.triples((distribution, item[1], None))]),
                len(values))
            for value in values:
                assert self._triple(g, distribution, item[1], value)

        # Dates
        assert self._triple(g, distribution, DCT.issued, resource['issued'],
                            XSD.dateTime)
        assert self._triple(g, distribution, DCT.modified,
                            resource['modified'], XSD.dateTime)

        # Numbers
        assert self._triple(g, distribution, DCAT.byteSize,
                            float(resource['size']), XSD.decimal)

        # Checksum
        checksum = self._triple(g, distribution, SPDX.checksum, None)[2]
        assert checksum
        assert self._triple(
            g,
            checksum,
            SPDX.checksumValue,
            resource['hash'],
            data_type='http://www.w3.org/2001/XMLSchema#hexBinary')
        assert self._triple(g, checksum, SPDX.algorithm,
                            URIRef(resource['hash_algorithm']))
Example #23
0
    def test_graph_from_dataset(self):

        dataset = {
            'id':
            '4b6fe9ca-dc77-4cec-92a4-55c6624a5bd6',
            'name':
            'test-dataset',
            'title':
            'Test DCAT dataset',
            'notes':
            'Lorem ipsum',
            'url':
            'http://example.com/ds1',
            'version':
            '1.0b',
            'metadata_created':
            '2015-06-26T15:21:09.034694',
            'metadata_modified':
            '2015-06-26T15:21:09.075774',
            'tags': [{
                'name': 'Tag 1'
            }, {
                'name': 'Tag 2'
            }],
            'extras': [
                {
                    'key': 'alternate_identifier',
                    'value': '[\"xyz\", \"abc\"]'
                },
                {
                    'key': 'version_notes',
                    'value': 'This is a beta version'
                },
                {
                    'key': 'frequency',
                    'value': 'monthly'
                },
                {
                    'key': 'language',
                    'value': '[\"en\"]'
                },
                {
                    'key':
                    'theme',
                    'value':
                    '[\"http://eurovoc.europa.eu/100142\", \"http://eurovoc.europa.eu/100152\"]'
                },
                {
                    'key': 'conforms_to',
                    'value': '[\"Standard 1\", \"Standard 2\"]'
                },
                {
                    'key': 'access_rights',
                    'value': 'public'
                },
                {
                    'key':
                    'documentation',
                    'value':
                    '[\"http://dataset.info.org/doc1\", \"http://dataset.info.org/doc2\"]'
                },
                {
                    'key': 'provenance',
                    'value': 'Some statement about provenance'
                },
                {
                    'key': 'dcat_type',
                    'value': 'test-type'
                },
                {
                    'key':
                    'related_resource',
                    'value':
                    '[\"http://dataset.info.org/related1\", \"http://dataset.info.org/related2\"]'
                },
                {
                    'key':
                    'has_version',
                    'value':
                    '[\"https://data.some.org/catalog/datasets/derived-dataset-1\", \"https://data.some.org/catalog/datasets/derived-dataset-2\"]'
                },
                {
                    'key':
                    'is_version_of',
                    'value':
                    '[\"https://data.some.org/catalog/datasets/original-dataset\"]'
                },
                {
                    'key':
                    'source',
                    'value':
                    '[\"https://data.some.org/catalog/datasets/source-dataset-1\", \"https://data.some.org/catalog/datasets/source-dataset-2\"]'
                },
                {
                    'key':
                    'sample',
                    'value':
                    '[\"https://data.some.org/catalog/datasets/9df8df51-63db-37a8-e044-0003ba9b0d98/sample\"]'
                },
            ]
        }
        extras = self._extras(dataset)

        s = RDFSerializer()
        g = s.g

        dataset_ref = s.graph_from_dataset(dataset)

        eq_(unicode(dataset_ref), utils.dataset_uri(dataset))

        # Basic fields
        assert self._triple(g, dataset_ref, RDF.type, DCAT.Dataset)
        assert self._triple(g, dataset_ref, DCT.title, dataset['title'])
        assert self._triple(g, dataset_ref, DCT.description, dataset['notes'])

        assert self._triple(g, dataset_ref, OWL.versionInfo,
                            dataset['version'])
        assert self._triple(g, dataset_ref, ADMS.versionNotes,
                            extras['version_notes'])
        assert self._triple(g, dataset_ref, DCT.accrualPeriodicity,
                            extras['frequency'])
        assert self._triple(g, dataset_ref, DCT.accessRights,
                            extras['access_rights'])
        assert self._triple(g, dataset_ref, DCT.provenance,
                            extras['provenance'])
        assert self._triple(g, dataset_ref, DCT.type, extras['dcat_type'])

        # Tags
        eq_(len([t for t in g.triples((dataset_ref, DCAT.keyword, None))]), 2)
        for tag in dataset['tags']:
            assert self._triple(g, dataset_ref, DCAT.keyword, tag['name'])

        # Dates
        assert self._triple(g, dataset_ref, DCT.issued,
                            dataset['metadata_created'], XSD.dateTime)
        assert self._triple(g, dataset_ref, DCT.modified,
                            dataset['metadata_modified'], XSD.dateTime)

        # List
        for item in [
            ('language', DCT.language, Literal),
            ('theme', DCAT.theme, URIRef),
            ('conforms_to', DCT.conformsTo, Literal),
            ('alternate_identifier', ADMS.identifier, Literal),
            ('documentation', FOAF.page, Literal),
            ('related_resource', DCT.relation, Literal),
            ('has_version', DCT.hasVersion, Literal),
            ('is_version_of', DCT.isVersionOf, Literal),
            ('source', DCT.source, Literal),
            ('sample', ADMS.sample, Literal),
        ]:
            values = json.loads(extras[item[0]])
            eq_(len([t for t in g.triples((dataset_ref, item[1], None))]),
                len(values))
            for value in values:
                assert self._triple(g, dataset_ref, item[1], item[2](value))