201 lines
6.1 KiB
Python
201 lines
6.1 KiB
Python
# This file is part of the Glowtables software
|
|
# Copyright (C) 2023 Valentin Lorentz
|
|
#
|
|
# This program is free software: you can redistribute it and/or modify it under the
|
|
# terms of the GNU Affero General Public License version 3, as published by the
|
|
# Free Software Foundation.
|
|
#
|
|
# This program is distributed in the hope that it will be useful, but WITHOUT ANY
|
|
# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
|
|
# PARTICULAR PURPOSE. See the GNU Affero General Public License for more details.
|
|
#
|
|
# You should have received a copy of the GNU Affero General Public License along with
|
|
# this program. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
"""Tests :mod:`glowtables.table`.
|
|
|
|
Test cases use a graph containing a few CPUs, with names and clock frequencies.
|
|
"""
|
|
|
|
import textwrap
|
|
from decimal import Decimal
|
|
|
|
import pytest
|
|
import rdflib
|
|
|
|
from glowtables.sparql import SparqlBackend
|
|
from glowtables.table import Language, LiteralField, Table
|
|
|
|
CPU1_URI = rdflib.URIRef("http://example.org/grown-1700")
|
|
CPU2_URI = rdflib.URIRef("http://example.org/grown-3600")
|
|
CPU3_URI = rdflib.URIRef("http://example.org/secret-project")
|
|
CG_URI = rdflib.URIRef("http://example.org/likestone-underdog")
|
|
CPU = rdflib.URIRef("http://example.org/CPU")
|
|
DISPLAY_NAME = rdflib.URIRef("http://example.org/display-name")
|
|
FREQUENCY = rdflib.URIRef("http://example.org/clock-frequency")
|
|
TYPE = rdflib.URIRef("http://example.org/type")
|
|
|
|
|
|
@pytest.fixture()
|
|
def rdflib_graph() -> rdflib.Graph:
|
|
graph = rdflib.Graph()
|
|
|
|
# A CPU with all the properties
|
|
graph.add((CPU1_URI, DISPLAY_NAME, rdflib.Literal("Grown 1700")))
|
|
graph.add((CPU1_URI, TYPE, CPU))
|
|
graph.add((CPU1_URI, FREQUENCY, rdflib.Literal(3000)))
|
|
|
|
# Another CPU, without a frequency
|
|
graph.add((CPU2_URI, DISPLAY_NAME, rdflib.Literal("Grown 3600")))
|
|
graph.add((CPU2_URI, TYPE, CPU))
|
|
|
|
# Another CPU, without a name
|
|
graph.add((CPU3_URI, TYPE, CPU))
|
|
graph.add((CPU3_URI, FREQUENCY, rdflib.Literal(9000)))
|
|
|
|
# Add a graphics card; which should be excluded from CPU searches
|
|
graph.add((CG_URI, DISPLAY_NAME, rdflib.Literal("LikeStone Underdog")))
|
|
graph.add((CG_URI, FREQUENCY, rdflib.Literal(1626)))
|
|
graph.add((CG_URI, TYPE, rdflib.URIRef("http://example.org/graphics-card")))
|
|
|
|
return graph
|
|
|
|
|
|
def test_single_literal(rdflib_sparql: SparqlBackend) -> None:
|
|
name_field = LiteralField(
|
|
"display_name",
|
|
{Language("en"): "Name"},
|
|
str,
|
|
rdflib.URIRef("http://example.org/display-name"),
|
|
)
|
|
table = Table(
|
|
id="test-table",
|
|
fields=[name_field],
|
|
constraints="?subject <http://example.org/type> <http://example.org/CPU>.",
|
|
)
|
|
|
|
assert table.sparql() == textwrap.dedent(
|
|
"""
|
|
SELECT ?display_name
|
|
WHERE {
|
|
?subject <http://example.org/type> <http://example.org/CPU>.
|
|
?subject <http://example.org/display-name> ?display_name.
|
|
}
|
|
"""
|
|
)
|
|
|
|
assert set(table.query(rdflib_sparql)) == {
|
|
("Grown 1700",),
|
|
("Grown 3600",),
|
|
}
|
|
|
|
|
|
def test_two_literals(rdflib_sparql: SparqlBackend) -> None:
|
|
name_field = LiteralField(
|
|
"display_name",
|
|
{Language("en"): "Name"},
|
|
str,
|
|
rdflib.URIRef("http://example.org/display-name"),
|
|
)
|
|
frequency_field = LiteralField(
|
|
"frequency",
|
|
{Language("en"): "Clock frequency"},
|
|
Decimal,
|
|
rdflib.URIRef("http://example.org/clock-frequency"),
|
|
)
|
|
table = Table(
|
|
id="test-table",
|
|
fields=[name_field, frequency_field],
|
|
constraints="?subject <http://example.org/type> <http://example.org/CPU>.",
|
|
)
|
|
|
|
assert table.sparql() == textwrap.dedent(
|
|
"""
|
|
SELECT ?display_name ?frequency
|
|
WHERE {
|
|
?subject <http://example.org/type> <http://example.org/CPU>.
|
|
?subject <http://example.org/display-name> ?display_name.
|
|
?subject <http://example.org/clock-frequency> ?frequency.
|
|
}
|
|
"""
|
|
)
|
|
|
|
assert set(table.query(rdflib_sparql)) == {
|
|
("Grown 1700", 3000),
|
|
}
|
|
|
|
|
|
def test_default_value(rdflib_sparql: SparqlBackend) -> None:
|
|
name_field = LiteralField(
|
|
"display_name",
|
|
{Language("en"): "Name"},
|
|
str,
|
|
rdflib.URIRef("http://example.org/display-name"),
|
|
default="Anonymous CPU",
|
|
)
|
|
frequency_field = LiteralField(
|
|
"frequency",
|
|
{Language("en"): "Clock frequency"},
|
|
Decimal,
|
|
rdflib.URIRef("http://example.org/clock-frequency"),
|
|
default=Decimal(0),
|
|
)
|
|
table = Table(
|
|
id="test-table",
|
|
fields=[name_field, frequency_field],
|
|
constraints="?subject <http://example.org/type> <http://example.org/CPU>.",
|
|
)
|
|
|
|
assert table.sparql() == textwrap.dedent(
|
|
"""
|
|
SELECT ?display_name ?frequency
|
|
WHERE {
|
|
?subject <http://example.org/type> <http://example.org/CPU>.
|
|
OPTIONAL { ?subject <http://example.org/display-name> ?display_name. }.
|
|
OPTIONAL { ?subject <http://example.org/clock-frequency> ?frequency. }.
|
|
}
|
|
"""
|
|
)
|
|
|
|
assert set(table.query(rdflib_sparql)) == {
|
|
("Grown 1700", 3000),
|
|
("Grown 3600", None),
|
|
(None, 9000),
|
|
}
|
|
|
|
|
|
def test_field_id_subject() -> None:
|
|
name_field = LiteralField(
|
|
"subject",
|
|
{Language("en"): "Name"},
|
|
str,
|
|
rdflib.URIRef("http://example.org/display-name"),
|
|
)
|
|
with pytest.raises(ValueError, match="both subject and a field id"):
|
|
Table(
|
|
id="test-table",
|
|
fields=[name_field],
|
|
constraints="",
|
|
)
|
|
|
|
|
|
def test_field_id_clash() -> None:
|
|
name_field = LiteralField(
|
|
"name",
|
|
{Language("en"): "Name"},
|
|
str,
|
|
rdflib.URIRef("http://example.org/name"),
|
|
)
|
|
display_name_field = LiteralField(
|
|
"name",
|
|
{Language("en"): "Display Name"},
|
|
str,
|
|
rdflib.URIRef("http://example.org/display-name"),
|
|
)
|
|
with pytest.raises(ValueError, match="has duplicate field ids: name"):
|
|
Table(
|
|
id="test-table",
|
|
fields=[name_field, display_name_field],
|
|
constraints="",
|
|
)
|