Viewing file:  test_schemahandler.py (5.93 KB) -rw-r--r--
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import os
from Ft.Lib import Uri
from Ft.Xml.Domlette import NonvalidatingReader
from Ft.Rdf.Model import Model
from Ft.Rdf.RdfsHandler import RdfsHandler, RdfsConstraintViolation
from Ft.Rdf.Serializers.Dom import Serializer
from Ft.Rdf.Statement import Statement
DATABASE_NAME = os.environ.get('RDF_TEST_DB', 'test')
RDFS_XML = """<?xml version="1.0" encoding="utf-8"?>
<rdf:RDF
xml:lang="en"
xmlns:rdf='http://www.w3.org/1999/02/22-rdf-syntax-ns#'
xmlns:rdfs='http://www.w3.org/2000/01/rdf-schema#'
xml:base="http://schema.spam.com/"
>
<!-- Class Person -->
<rdfs:Class rdf:ID="Person">
<rdfs:comment>The class of persons</rdfs:comment>
<rdfs:subClassOf rdf:resource="http://www.w3.org/2000/01/rdf-schema#Resource"/>
</rdfs:Class>
<!-- Class User -->
<rdfs:Class rdf:ID="User">
<rdfs:label>The class of users.</rdfs:label>
<rdfs:subClassOf rdf:resource="#Person"/>
</rdfs:Class>
<rdf:Property rdf:ID="nickname">
<rdfs:range rdf:resource="http://www.w3.org/2000/01/rdf-schema#Literal"/>
<rdfs:domain rdf:resource="#User"/>
</rdf:Property>
<rdf:Property rdf:ID="email">
<rdfs:range rdf:resource="http://www.w3.org/2000/01/rdf-schema#Literal"/>
<rdfs:domain rdf:resource="#User"/>
</rdf:Property>
<!-- Class Organization -->
<rdfs:Class rdf:ID="Organization">
<rdfs:comment>Educational institutions, insurance providers, practices, etc.</rdfs:comment>
<rdfs:subClassOf rdf:resource="http://www.w3.org/2000/01/rdf-schema#Resource"/>
</rdfs:Class>
<rdf:Property rdf:ID="name">
<rdfs:range rdf:resource="http://www.w3.org/2000/01/rdf-schema#Literal"/>
<rdfs:domain rdf:resource="#Person"/>
<rdfs:domain rdf:resource="#Organization"/>
</rdf:Property>
<rdf:Property rdf:ID="employs">
<rdfs:range rdf:resource="#Person"/>
<rdfs:domain rdf:resource="#Organization"/>
</rdf:Property>
<!-- Class Moderator -->
<rdfs:Class rdf:ID="Moderator">
<rdfs:label>The class of moderators.</rdfs:label>
<rdfs:subClassOf rdf:resource="#User"/>
</rdfs:Class>
<rdf:Property rdf:ID="represents">
<rdfs:range rdf:resource="#Organization"/>
<rdfs:domain rdf:resource="#Moderator"/>
</rdf:Property>
</rdf:RDF>"""
RDF_XML = """<?xml version="1.0" encoding="utf-8"?>
<rdf:RDF
xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
xmlns="http://schema.spam.com/#"
>
<!-- explicit resource typing before use in constrained predicates required
because 4RDF constraint checking is quite strict: likely too strict. -->
<Organization rdf:about="http://rblrebels.com"/>
<Person rdf:about="http://rblrebels.com/~robelee">
<name>Gen. Robert E. Lee</name>
</Person>
<Moderator rdf:about="http://rblrebels.com/~spartacus">
<name>Spartacus Fortissimus</name>
<nickname>sparta-fort</nickname>
<email>sparta-fort@rblrebels.com</email>
<!-- OK because of above explicit typing of "http://rblrebels.com" -->
<represents rdf:resource='http://rblrebels.com'/>
</Moderator>
<User rdf:about="http://rblrebels.com/~robespierre">
<name>Le Brigand Robespierre</name>
<nickname>guillot</nickname>
<email>guillot@rblrebels.com</email>
</User>
<Organization rdf:about="http://rblrebels.com">
<name>RBL Rebels</name>
<employs rdf:resource='http://rblrebels.com/~robelee'/>
<employs rdf:resource='http://rblrebels.com/~spartacus'/>
<employs rdf:resource='http://rblrebels.com/~robespierre'/>
</Organization>
</rdf:RDF>"""
def init(tester):
tester.startTest("Prepare driver's database")
driver = tester.test_data['driver']
if driver.ExistsDb(DATABASE_NAME):
driver.DestroyDb(DATABASE_NAME)
driver.CreateDb(DATABASE_NAME)
tester.testDone()
def test_schemahandler(tester):
uri_base = Uri.OsPathToUri(__file__, attemptAbsolute=True)
db = tester.test_data['driver'].GetDb(DATABASE_NAME)
db.begin()
try:
tester.startTest("Create model with core RDFS statements")
sh = RdfsHandler()
m = Model(db, sh)
total = len(m.statements())
tester.compare(192, total)
tester.testDone()
tester.startTest("Add user RDFS statements")
uri = uri_base + '-INTERNAL-RDFS-XML-STRING'
schemadoc = NonvalidatingReader.parseString(RDFS_XML, uri)
serializer = Serializer()
m.suspendSchema()
serializer.deserialize(m, schemadoc, scope='http://schema.spam.com/')
m.resumeSchema()
total = len(m.statements())
tester.compare(220, total)
tester.testDone()
tester.startTest("Validate all statements")
m.checkConsistency()
tester.testDone()
tester.startTest("Add & validate user RDF statements")
uri = uri_base + '-INTERNAL-RDF-XML-STRING'
datadoc = NonvalidatingReader.parseString(RDF_XML, uri)
serializer.deserialize(m, datadoc, 'http://spam.com/data')
total = len(m.statements())
tester.compare(237, total)
tester.testDone()
tester.startTest("Misc validation tests")
tester.compare(True, sh.isInstance('http://rblrebels.com/~robelee', 'http://schema.spam.com/#Person'))
tester.compare(True, sh.isInstance('http://rblrebels.com/~spartacus', 'http://schema.spam.com/#Person'))
tester.compare(True, sh.isSubClass('http://schema.spam.com/#Moderator', 'http://schema.spam.com/#Person'))
tester.testDone()
tester.startTest("Add invalid statement")
s = Statement('http://rblrebels.com/~robelee', 'http://schema.spam.com/#represents', 'ILLEGAL')
tester.testException(m.add, (s,), RdfsConstraintViolation)
tester.testDone()
except:
db.rollback()
raise
db.rollback()
tester.groupDone()
def Test(tester):
tester.startGroup('RDF Schema Handler')
init(tester)
test_schemahandler(tester)
return
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