def test_visit_SelectQueryFrom(self):
helper = SelectQueryHelper()
helper.set_from("http://example.com/graph")
expected = "SELECT FROM <http://example.com/graph> WHERE{}"
result = self.v.visit(helper.query)
self.assertEqual(expected, result)
helper.add_variable("var")
expected = "SELECT?var FROM <http://example.com/graph> WHERE{}"
result = self.v.visit(helper.query)
self.assertEqual(expected, result)
def setUp(self):
self.s = SelectQueryHelper()
self.triple1 = Triple()
self.triple1.subject = Variable("var1")
self.triple1.property = RDFS.type
self.triple1.object = DEB.Source
self.triple2 = Triple()
self.triple2.subject = Variable("var2")
self.triple2.property = RDFS.type
self.triple2.object = DEB.Binary
self.triple3 = Triple()
self.triple3.subject = Variable("var3")
self.triple3.property = RDFS.type
self.triple3.object = Variable("var4")
def test_visit_SelectQuery(self):
st2 = Triple(Variable("d"), Variable("e"), Variable("f"))
helper = SelectQueryHelper()
expected = "SELECT WHERE{}"
result = self.v.visit(helper.query)
self.assertEqual(expected, result)
helper.set_limit("50")
expected = "SELECT WHERE{}LIMIT 50"
result = self.v.visit(helper.query)
self.assertEqual(expected, result)
helper.add_triple_variables(st2)
helper.add_filter(FunCall("regex", Variable("var"), '"regex"'))
expected = "SELECT?e?f?d WHERE{?d ?e ?f.FILTER(regex(?var,\"regex\"))}LIMIT 50"
result = self.v.visit(helper.query)
self.assertEqual(expected, result)
self.assertNotEqual(None, Parse(result))
helper.set_offset("2")
expected = "SELECT?e?f?d WHERE{?d ?e ?f.FILTER(regex(?var,\"regex\"))}LIMIT 50 OFFSET 2"
result = self.v.visit(helper.query)
self.assertEqual(expected, result)
self.assertNotEqual(None, Parse(result))
helper.add_optional(st2, st2)
result = self.v.visit(helper.query, True)
self.assertNotEqual(None, Parse(result))
helper.add_union([st2, st2], [st2], [st2])
result = self.v.visit(helper.query, True)
self.assertNotEqual(None, Parse(result))
helper.set_orderby("e")
result = self.v.visit(helper.query, True)
self.assertNotEqual(None, Parse(result))
helper.set_orderby("e")
helper.query.modifiers = []
result = self.v.visit(helper.query, True)
self.assertNotEqual(None, Parse(result))
helper.add_filter_notbound(Variable("e"))
result = self.v.visit(helper.query, True)
self.assertNotEqual(None, Parse(result))
helper.add_or_filter_regex({Variable("a"): "r1", Variable("b"): "r2"})
result = self.v.visit(helper.query, True)
self.assertNotEqual(None, Parse(result))
def test_visit_SelectQueryDistinct(self):
helper = SelectQueryHelper()
helper.set_distinct()
expected = "SELECT DISTINCT WHERE{}"
result = self.v.visit(helper.query)
self.assertEqual(expected, result)
def __init__(self):
self.helper = SelectQueryHelper()
