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# a basic test of Bag objects, initially based on a 4suite list message
# from Martin Strohal, 2003-07-09
from cStringIO import StringIO
from Ft.Lib.Uri import OsPathToUri
from Ft.Rdf import Model, Container
from Ft.Rdf.Drivers import Memory
from Ft.Rdf.Serializers.Dom import Serializer
from Ft.Xml.Domlette import PrettyPrint
from Ft.Xml.Lib.TreeCompare import TreeCompare
SCOPE = OsPathToUri(__file__, attemptAbsolute=True) + '-INTERNAL-XML-STRING'
CONTAINER_CONTENTS_1 = ['bogus://example.org/testresource1',
'bogus://example.org/testresource2']
EXPECTED_MODEL_1 = """<?xml version="1.0" encoding="UTF-8"?>
<rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#">
<rdf:Bag rdf:ID="%s">
<rdf:li resource="bogus://example.org/testresource1"/>
<rdf:li resource="bogus://example.org/testresource2"/>
</rdf:Bag>
</rdf:RDF>""" % SCOPE
CONTAINER_CONTENTS_2 = ['testliteral1', 'testliteral2']
EXPECTED_MODEL_2 = """<?xml version="1.0" encoding="UTF-8"?>
<rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#">
<rdf:Bag rdf:ID="%s">
<rdf:li>testliteral1</rdf:li>
<rdf:li>testliteral2</rdf:li>
</rdf:Bag>
</rdf:RDF>""" % SCOPE
# TODO:
#
# Add a test that is a mix of literals and resources.
#
# Change the bag tests so that <rdf:li> item order in the expected
# results doesn't matter.
#
# Add tests for the other types of containers
def getModel():
db = Memory.CreateDb('')
return Model.Model(db)
def serializeModel(model):
serializer = Serializer()
stream = StringIO()
doc = serializer.serialize(model)
PrettyPrint(doc, stream)
return stream.getvalue()
def Test(tester):
tester.startGroup('RDF Bag creation and serialization')
tester.startTest('all items are resources')
bag = Container.Bag(SCOPE)
for item in CONTAINER_CONTENTS_1:
bag.append(item)
model = getModel()
# addContainer() turns the bag into statements.
# The items in the bag become the objects of those statements.
# What can we do here to ensure that these get serialized as resources?
#
# Currently, when converted to statements, the object type is
# forced to be resource; we have no control over it.
model.addContainer(bag)
res = serializeModel(model)
tester.compare(EXPECTED_MODEL_1, res, func=TreeCompare)
tester.testDone()
tester.startTest('all items are literals')
bag = Container.Bag(SCOPE)
for item in CONTAINER_CONTENTS_2:
bag.append(item)
model = getModel()
# addContainer() turns the bag into statements.
# The items in the bag become the objects of those statements.
# What can we do here to ensure that these get serialized as literals?
#
# Currently, when converted to statements, the object type is
# forced to be resource; we have no control over it.
model.addContainer(bag)
res = serializeModel(model)
tester.compare(EXPECTED_MODEL_2, res, func=TreeCompare)
tester.testDone()
tester.groupDone()
return
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