TODO implemented: UserWarning emitted - fixes issue #160

1 files changed, 82 insertions, 0 deletions

diff --git a/test/test_issue160.py b/test/test_issue160.py
new file mode 100644
index 00000000..ddb446e5
--- /dev/null
+++ b/test/test_issue160.py
@@ -0,0 +1,82 @@
+from unittest import TestCase
+from rdflib import ConjunctiveGraph
+from rdflib import Namespace, Literal
+from rdflib.collection import Collection
+from nose.exc import SkipTest
+
+
+
+target1xml = """\
+<?xml version="1.0" encoding="utf-8"?>
+<rdf:RDF
+  xmlns:ns1="http://www.example.org/foo/ns/"
+  xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+>
+  <ns1:Other rdf:about="http://www.example.org/example/foo/thing">
+    <rdf:first>
+      <ns1:Item rdf:about="http://www.example.org/example/foo/a"/>
+    </rdf:first>
+    <ns1:property>Some Value</ns1:property>
+    <rdf:rest rdf:parseType="Collection">
+      <rdf:Description rdf:about="http://www.example.org/example/foo/b"/>
+      <rdf:Description rdf:about="http://www.example.org/example/foo/c"/>
+    </rdf:rest>
+  </ns1:Other>
+  <ns1:Item rdf:about="http://www.example.org/example/foo/b"/>
+  <ns1:Item rdf:about="http://www.example.org/example/foo/c"/>
+</rdf:RDF>"""
+
+target2xml = """\
+<?xml version="1.0" encoding="utf-8"?>
+<rdf:RDF
+  xmlns:ns1="http://www.example.org/foo/ns/"
+  xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+>
+  <ns1:Wrapper rdf:about="http://www.example.org/example/foo/wrapper">
+    <ns1:wraps rdf:parseType="Collection">
+      <rdf:Description rdf:about="http://www.example.org/example/foo/a"/>
+      <rdf:Description rdf:about="http://www.example.org/example/foo/b"/>
+      <rdf:Description rdf:about="http://www.example.org/example/foo/c"/>
+    </ns1:wraps>
+  </ns1:Wrapper>
+  <ns1:Item rdf:about="http://www.example.org/example/foo/b"/>
+  <ns1:Item rdf:about="http://www.example.org/example/foo/c"/>
+  <ns1:Item rdf:about="http://www.example.org/example/foo/a"/>
+</rdf:RDF>"""
+
+class CollectionTest(TestCase):
+
+    def test_collection_render(self):
+        foo = Namespace('http://www.example.org/foo/ns/')
+        ex = Namespace('http://www.example.org/example/foo/')
+        rdf = Namespace('http://www.w3.org/1999/02/22-rdf-syntax-ns#')
+
+        # Works:  x a rdf:List, a foo:Other ;
+        # Fails:  y a foo:Wrapper, foo:wraps x; x a rdf:List, a foo:Other ;
+
+        target1 = ConjunctiveGraph()
+        target1.parse(data=target1xml)
+        target2 = ConjunctiveGraph()
+        target2.parse(data=target2xml)
+
+        g = ConjunctiveGraph()
+        bits = [ex['a'], ex['b'], ex['c']]
+        l = Collection(g, ex['thing'], bits)
+        triple = (ex['thing'], rdf['type'], foo['Other'])
+        g.add(triple)
+        triple = (ex['thing'], foo['property'], Literal('Some Value'))
+        g.add(triple)
+        for b in bits:
+            triple = (b, rdf['type'], foo['Item'])
+            g.add(triple)
+        self.assertEqual(g.isomorphic(target1), True)
+
+        # g.add((ex['wrapper'], rdf['type'], foo['Wrapper']))
+        # g.add((ex['wrapper'], foo['wraps'], ex['thing']))
+        # # resn3 = g.serialize(format="n3")
+        # # print(resn3)
+        # resxml = g.serialize(format="pretty-xml")
+        # # print(resxml)
+        # self.assertEqual(g.isomorphic(target2), True)
+
+