test_virtual_columns.py 文件源码

def test_default_with_datatype():
    csvw = CSVW(csv_path='tests/virtual1.csv',
                metadata_path='tests/virtual1.default.datatype.csv-metadata.json')
    rdf_output = csvw.to_rdf()
    g = ConjunctiveGraph()
    g.parse(data=rdf_output, format="turtle")

    ns = Namespace("http://example.org/")

    for x in [1, 2]:
        active_vals = list(g.triples((ns['sub-{}'.format(x)], ns['active'], None)))
        assert len(active_vals) == 1
        active_val = active_vals[0][2]
        assert isinstance(active_val, Literal)
        assert active_val.datatype == XSD.boolean
        assert active_val.value

        string_vals = list(g.triples((ns['sub-{}'.format(x)], ns['stringprop1'], None)))
        assert len(string_vals) == 1
        string_val = string_vals[0][2]
        assert isinstance(string_val, Literal)
        assert string_val.value == "some string"

        string_vals = list(g.triples((ns['sub-{}'.format(x)], ns['stringprop2'], None)))
        assert len(string_vals) == 1
        string_val = string_vals[0][2]
        assert isinstance(string_val, Literal)
        assert "%20" not in string_val.value