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#!/usr/bin/python
#
# redlandtest.py - Redland Python RDF model unit tests
#
# Authors:
# Matt Biddulph <mb@picdiary.com>
# Edd Dumbill <edd@usefulinc.com>
import unittest
from RDF import *
class RedlandModelCase (unittest.TestCase):
def setUp (self):
self.storage_no_context = Storage (storage_name="hashes",
name="redland_testcase_nc",
options_string="hash-type='bdb',contexts='no',dir='/tmp',new='yes'")
self.storage_context = Storage (storage_name="hashes",
name="redland_testcase_c",
options_string="hash-type='bdb',contexts='yes',dir='/tmp',new='yes'")
self.context_node = Node(Uri("http://mycontext/"))
self.alien_context_node = Node(Uri("http://mycontext/alien"))
def make_statement (self, n):
return Statement (
Uri ("http://subject/%d" % n),
Uri ("http://pred/%d" % n),
Uri ("http://object/%d" % n))
def testListnessNoContext (self):
model = Model (self.storage_no_context)
for i in range(0,4):
s = self.make_statement (i)
model.append (s)
for i in range(0,4):
s = self.make_statement (i)
self.assertTrue(s in model,
"statement %s should be in model" % (str(s)))
s_two = self.make_statement (2)
s_two_again = self.make_statement (2)
self.assertTrue(s_two == s_two_again,
"equality; statement %s should equal statement %s" % \
(str(s_two), str(s_two_again)))
s_three = self.make_statement (3)
self.assertTrue(s_two != s_three,
"inequality; statement %s should not equal statement %s" % \
(str(s_two), str(s_three)))
del model[s_two]
self.assertTrue(s_two not in model,
"del failed; statement %s should not be in model" % \
(str(s_two)))
def testListnessContext (self):
model = Model (self.storage_context)
for i in range(0,4):
s = self.make_statement (i)
model.append (s, self.context_node)
for i in range(0,4):
s = self.make_statement (i)
self.assertTrue((s, self.context_node) in model,
"statement %s context %s should be in model" % (
str(s), str(self.context_node)))
self.assertTrue((s, self.alien_context_node) not in model,
"statement %s context %s should be in model" % (
str(s), str(self.alien_context_node)))
s_two = self.make_statement (2)
del model[s_two, self.context_node]
self.assertTrue((s_two, self.context_node) not in model,
"del failed; statement %s context %s should not be in model" % \
(str(s_two), str(self.context_node)))
class RedlandSimpleGetsCase(unittest.TestCase):
def setUp(self):
self.storage = MemoryStorage()
self.model = Model(self.storage)
self.node1 = Node(Uri("http://node1/"))
self.node2 = Node(Uri("http://node2/"))
self.node3 = Node(Uri("http://node3/"))
self.model.append (Statement(self.node1, self.node2, self.node3))
def testSimpleGets(self):
self.assertTrue(
self.model.get_source(self.node2, self.node3) == self.node1,
"Source should be node1")
self.assertTrue(
self.model.get_target(self.node1, self.node2) == self.node3,
"Target should be node3")
self.assertTrue(
self.model.get_predicate(self.node1, self.node3) == self.node2,
"Predicate should be node2")
class RedlandGetsCase(unittest.TestCase):
def setUp(self):
self.storage = MemoryStorage()
self.model = Model(self.storage)
self.node1 = Node(Uri("http://node1/"))
self.node2 = Node(Uri("http://node2/"))
self.node3 = Node(Uri("http://node3/"))
self.node4 = Node(Uri("http://node4/"))
self.node5 = Node(Uri("http://node5/"))
self.node6 = Node(Uri("http://node6/"))
self.nodeb = Node()
self.model.append(Statement(self.node1, self.node2, self.node3))
self.model.append(Statement(self.node1, self.node2, self.node4))
self.model.append(Statement(self.node6, self.node2, self.node4))
self.model.append(Statement(self.node5, self.node3, self.node6))
self.model.append(Statement(self.node5, self.node1, self.node6))
# and now, with context
self.storageC = MemoryStorage(options_string="contexts='yes'")
self.modelC = Model(self.storageC)
self.context_node = Node(Uri("http://mycontext/"))
self.modelC.append(Statement(self.node1, self.node2, self.node3),
self.context_node)
self.modelC.append(Statement(self.node1, self.node2, self.node4),
self.context_node)
self.modelC.append(Statement(self.node6, self.node2, self.node4),
self.context_node)
self.modelC.append(Statement(self.node5, self.node3, self.node6),
self.context_node)
self.modelC.append(Statement(self.node5, self.node1, self.node6),
self.context_node)
def testGets(self):
sources = list(self.model.get_sources(self.node2, self.node4))
self.assertTrue( (self.node1 in sources) and (self.node6 in sources),
"sources should contain node1 and node6")
targets = list(self.model.get_targets(self.node1, self.node2))
self.assertTrue( (self.node3 in targets) and (self.node4 in targets),
"targets should contain node3 and node4")
predicates = list(self.model.get_predicates(self.node5, self.node6))
self.assertTrue( (self.node3 in predicates) and (self.node1 in predicates),
"predicates should contain node3 and node1")
def testGetsC(self):
sources = list(self.modelC.get_sources_context(self.node2, self.node4))
self.assertTrue( ((self.node1, self.context_node) in sources) and
((self.node6, self.context_node) in sources),
"sources should contain (node1,c) and (node6,c)")
targets = list(self.modelC.get_targets_context(self.node1, self.node2))
self.assertTrue( ((self.node3, self.context_node) in targets) and
((self.node4, self.context_node) in targets),
"targets should contain (node3,c) and (node4,c)")
predicates = list(self.modelC.get_predicates_context(self.node5,
self.node6))
self.assertTrue( ((self.node3, self.context_node) in predicates) and
((self.node1, self.context_node) in predicates),
"predicates should contain (node3,c) and (node1,c)")
class RedlandStreamsCase(unittest.TestCase):
def setUp(self):
self.storage = MemoryStorage(options_string="contexts='yes'")
self.model = Model(self.storage)
self.parser = Parser()
def testParseNTriplesIntoModel(self):
a = "file:../data/dc.nt"
p = NTriplesParser()
p.parse_into_model(self.model,a)
self.assertTrue(len(self.model) == 3,"dc.rdf should have 3 statements")
def testParseTurtleIntoModel(self):
a = "file:../data/dc.ttl"
p = TurtleParser()
p.parse_into_model(self.model,a)
self.assertTrue(len(self.model) == 3,"dc.rdf should have 3 statements")
def testParseIntoModel(self):
a = "file:../data/dc.rdf"
self.parser.parse_into_model(self.model,a)
self.assertTrue(len(self.model) == 3,"dc.rdf should have 3 statements")
def testIterateModel(self):
a = "file:../data/dc.rdf"
self.parser.parse_into_model(self.model,a)
counter = 0
for s in self.model:
counter += 1
self.assertTrue(counter == 3,"dc.rdf should have 3 statements")
def testParseAsStream(self):
a = "file:../data/dc.rdf"
for s in self.parser.parse_as_stream(a):
self.model.append(s)
self.assertTrue(len(self.model) == 3,"dc.rdf should have 3 statements")
def testFindStatements1(self):
self.parser.parse_into_model(self.model,"file:../data/dc.rdf")
statement = Statement(
Uri("http://www.dajobe.org/"),
None, None)
count = 0
found_stmts = self.model.find_statements(statement)
for i in found_stmts:
count += 1
self.assertTrue(count == 3, "Should have found_stmts 3 statements")
def testContains(self):
self.parser.parse_into_model(self.model,"file:../data/dc.rdf")
statement = Statement(
Uri("http://www.dajobe.org/"),
Uri("http://purl.org/dc/elements/1.1/creator"),
"Dave Beckett")
count = 0
found_stmts = self.model.find_statements(statement)
for i in found_stmts:
count += 1
self.assertTrue(count == 1, "Should have found_stmts 1 statement") # test we can find it at all, for comparison
self.assertTrue(statement in self.model, "Should have found a statement via __contains__")
def testFindStatementsWithContext(self):
a = "file:../data/dc.rdf"
intended_context = Node(Uri("http://example.org/"))
for s in self.parser.parse_as_stream(a):
self.model.append (s, intended_context)
subject = Node(Uri("http://www.dajobe.org/"))
statement = Statement(subject, None, None)
count = 0
for s,c in self.model.find_statements_context(statement):
self.assertFalse(c is None,
"Didn't get context back from find_statements")
self.assertTrue(c == intended_context,
"Didn't get the right context back from find_statements")
self.assertTrue(statement.subject == subject,
"find_statements_context didn't find statements with the right subject")
count += 1
self.assertTrue(count == 3, "Should have found 3 statements")
def testParseStringAsStream(self):
content = """<rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:dc="http://purl.org/dc/elements/1.1/"><rdf:Description rdf:about="http://librdf.org/"><dc:title>Redland RDF</dc:title></rdf:Description></rdf:RDF>"""
base_uri = Uri("http://example.org/base#")
s=self.parser.parse_string_as_stream(content, base_uri)
self.assertTrue(s is not None, "parse_string_as_stream should have succeeded")
rc=self.model.add_statements(s)
self.assertTrue(rc == 0, "add statements should have succeeded")
class RedlandModelGeneral (unittest.TestCase):
def setUp (self):
self.storage = HashStorage("test", options="hash-type='bdb'")
self.model = Model(self.storage)
def testSync(self):
self.model.sync()
class RasqalQueryTestCase (unittest.TestCase):
def setUp(self):
self.model = Model()
self.parser = Parser()
a = "file:../data/dc.rdf"
self.parser.parse_into_model(self.model,a)
def testSPARQLQueryAsStream(self):
q = SPARQLQuery("PREFIX dc: <http://purl.org/dc/elements/1.1/> CONSTRUCT {?a dc:title ?c} WHERE {?a dc:title ?c}")
s = q.execute(self.model).as_stream()
self.assertTrue(s is not None, "execute as_stream should have succeeded")
rc=self.model.add_statements(s)
self.assertTrue(rc == 0, "add statements should have succeeded")
def testSPARQLQueryAsk(self):
q = SPARQLQuery("PREFIX dc: <http://purl.org/dc/elements/1.1/> ASK WHERE {<http://www.dajobe.org/> dc:creator \"Dave Beckett\"}")
rc = q.execute(self.model).get_boolean()
self.assertTrue(rc, "execute get_boolean should have returned True")
def testSPARQLQueryAsString(self):
q = SPARQLQuery("PREFIX dc: <http://purl.org/dc/elements/1.1/> SELECT * WHERE {?a dc:title ?c}")
r = q.execute(self.model)
expect = 372
self.assertTrue(r is not None, "execute to_string should have succeeded")
s = r.to_string()
self.assertTrue(len(s) == expect, "to_string should have returned "+str(expect)+" not " + str(len(s)))
def testSPARQLQueryTwice(self):
q = SPARQLQuery("SELECT ?x ?y ?z WHERE {?x ?y ?z}")
results1 = q.execute(self.model)
count1 = 0
for result in results1:
count1 += 1
self.assertTrue(count1 == 3, "Should have found three results in execution 1")
results2 = q.execute(self.model)
count2 = 0
for result2 in results2:
count2 += 1
self.assertTrue(count2 == 3, "Should have found three results in execution 2")
# def testSPARQLQueryTwiceOverwriteVar(self):
# q = SPARQLQuery("SELECT ?x ?y ?z WHERE {?x ?y ?z}")
# results = q.execute(self.model)
# count = 0
# for result in results:
# print "result 1>",count,result
# count += 1
# self.assertTrue(count == 3, "Should have found three results in execution 1 not "+str(count))
#
# results = q.execute(self.model)
# count = 0
# for result in results:
# print "result 2>",count,result
# count += 1
# self.assertTrue(count == 3, "Should have found three results in execution 2 not "+str(count))
def testSPARQLQueryTriplesToString(self):
q = SPARQLQuery("PREFIX dc: <http://purl.org/dc/elements/1.1/> CONSTRUCT {?a dc:title ?c} WHERE {?a dc:title ?c}")
r = q.execute(self.model)
expect = 289
self.assertTrue(r is not None, "execute to_string should have succeeded")
s = r.to_string()
self.assertTrue(len(s) == expect, "to_string should have returned "+str(expect)+" not " + str(len(s)))
if __name__ == '__main__':
unittest.main()
|
