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import subprocess
import sys
from pathlib import Path
from rdflib.graph import Graph
from rdflib.tools.defined_namespace_creator import get_target_namespace_elements
def test_definednamespace_creator_qb():
"""
Tests basic use of DefinedNamespace creator script using QB
"""
definednamespace_script = (
Path(__file__).parent.parent.parent
/ "rdflib"
/ "tools"
/ "defined_namespace_creator.py"
)
qb_data_file = (
Path(__file__).parent.parent / "data" / "defined_namespaces" / "qb.ttl"
)
print("\n")
print(f"Using {definednamespace_script}...")
print(f"Testing {qb_data_file}...")
completed = subprocess.run(
[
sys.executable,
str(definednamespace_script),
str(qb_data_file),
"http://purl.org/linked-data/cube#",
"QB",
],
stdout=subprocess.PIPE,
stderr=subprocess.PIPE,
universal_newlines=True,
)
assert completed.returncode == 0, "subprocess exited incorrectly"
assert Path.is_file(Path("_QB.py")), "_QB.py file not created"
has_ns = False
has_test_class = False
with open(Path("_QB.py")) as f:
for line in f.readlines():
if '_NS = Namespace("http://purl.org/linked-data/cube#")' in line:
has_ns = True
if (
"Attachable: URIRef # Abstract superclass for everything that can have attributes and dimensions"
in line
):
has_test_class = True
assert has_ns, "_QB.py does not contain _NS"
assert has_test_class, "_QB.py does not class Attachable"
# cleanup
Path.unlink(Path("_QB.py"))
def test_definednamespace_creator_fake():
"""
Tests incorrect use of DefinedNamespace creator script -
RDF file of unknonwn type
"""
definednamespace_script = (
Path(__file__).parent.parent.parent
/ "rdflib"
/ "tools"
/ "defined_namespace_creator.py"
)
qb_data_file = (
Path(__file__).parent.parent / "data" / "defined_namespaces" / "fake.xxx"
)
print("\n")
print(f"Using {definednamespace_script}...")
print(f"Testing {qb_data_file}...(expected to fail)")
completed = subprocess.run(
[
sys.executable,
str(definednamespace_script),
str(qb_data_file),
"http://purl.org/linked-data/cube#",
"QB",
],
stdout=subprocess.PIPE,
stderr=subprocess.PIPE,
universal_newlines=True,
)
assert completed.returncode == 1, "subprocess exited incorrectly (failure expected)"
def test_definednamespace_creator_bad_ns():
"""
Tests incorrect use of DefinedNamespace creator script -
supplied namespace doesn't end in # or /
"""
definednamespace_script = (
Path(__file__).parent.parent.parent
/ "rdflib"
/ "tools"
/ "defined_namespace_creator.py"
)
qb_data_file = Path(__file__).parent.parent / "defined_namespaces" / "fake.xxx"
print("\n")
print(f"Using {definednamespace_script}...")
print(f"Testing {qb_data_file}...(expected to fail - bad NS given)")
completed = subprocess.run(
[
sys.executable,
str(definednamespace_script),
str(qb_data_file),
"http://purl.org/linked-data/cube",
"QB",
],
stdout=subprocess.PIPE,
stderr=subprocess.PIPE,
universal_newlines=True,
)
assert completed.returncode == 1, "subprocess exited incorrectly (failure expected)"
def test_definednamespace_creator_multiple_comments():
"""
Tests that only a single URIRef is declared, even when multiple
rdfs:comments are linked to the resource.
"""
definednamespace_script = (
Path(__file__).parent.parent.parent
/ "rdflib"
/ "tools"
/ "defined_namespace_creator.py"
)
multiple_comments_data_file = (
Path(__file__).parent.parent / "data" / "contrived" / "multiple-comments.ttl"
)
print("\n")
print(f"Using {definednamespace_script}...")
print(f"Testing {multiple_comments_data_file}...")
completed = subprocess.run(
[
sys.executable,
str(definednamespace_script),
str(multiple_comments_data_file),
"http://example.org/multiline-string-example#",
"MULTILINESTRINGEXAMPLE",
],
stdout=subprocess.PIPE,
stderr=subprocess.PIPE,
universal_newlines=True,
)
assert completed.returncode == 0, "subprocess exited incorrectly"
assert Path.is_file(
Path("_MULTILINESTRINGEXAMPLE.py")
), "_MULTILINESTRINGEXAMPLE.py file not created"
some_class_count = 0
with open(Path("_MULTILINESTRINGEXAMPLE.py")) as f:
for line in f.readlines():
if "SomeClass: URIRef" in line:
some_class_count += 1
assert (
some_class_count == 1
), f"found {some_class_count} SomeClass definitions instead of 1."
# cleanup
Path.unlink(Path("_MULTILINESTRINGEXAMPLE.py"))
def test_get_target_namespace_elements(rdfs_graph: Graph) -> None:
elements = get_target_namespace_elements(
rdfs_graph, "http://www.w3.org/2000/01/rdf-schema#"
)
assert 2 == len(elements)
assert 16 == len(elements[0])
assert (
"http://www.w3.org/2000/01/rdf-schema#Class",
"The class of classes.",
) in elements[0]
|
