Fix tests.

Author: gjhiggins

test/test.py

@@ -1,4 +1,4 @@
-from rdflib import Graph, BNode, Literal, URIRef, RDFS, RDF, plugin
+from rdflib import Graph, BNode, Literal, URIRef, RDFS, RDF, plugin, Namespace
 from rdflib.store import Store
 import os
 
@@ -7,27 +7,54 @@
 
 
 def investigate_len_issue():
+    import shutil, commands
     store = plugin.get('SQLAlchemy', Store)(
         identifier=URIRef("rdflib_test"),
         configuration=Literal("sqlite:///%(here)s/development.sqlite" % {
                                                         "here": os.getcwd()}))
-    g = Graph(store)
-    print(len(g))
+    g0 = Graph('Sleepycat')
+    g0.open('/tmp/foo', create=True)
+    print("Len g0 on opening: %s\n" % len(g0))
+    g1 = Graph(store)
+    print("Len g1 on opening: %s\n" % len(g1))
     statementId = BNode()
-    g.add((statementId, RDF.type, RDF.Statement))
-    g.add((statementId, RDF.subject,
+    print("Adding %s\n\t%s\n\t%s\n" % (statementId, RDF.type, RDF.Statement))
+    g0.add((statementId, RDF.type, RDF.Statement))
+    g1.add((statementId, RDF.type, RDF.Statement))
+    print("Adding %s\n\t%s\n\t%s\n" % (statementId, RDF.subject,
            URIRef(u'http://rdflib.net/store/ConjunctiveGraph')))
-    g.add((statementId, RDF.predicate, RDFS.label))
-    g.add((statementId, RDF.object, Literal("Conjunctive Graph")))
-    print(len(g))
-    for s, p, o in g:
-        print(type(s))
-
-    for s, p, o in g.triples((None, RDF.object, None)):
-        print(o)
-
-    g.remove((statementId, RDF.type, RDF.Statement))
-    print(len(g))
+    g0.add((statementId, RDF.subject,
+           URIRef(u'http://rdflib.net/store/ConjunctiveGraph')))
+    g1.add((statementId, RDF.subject,
+           URIRef(u'http://rdflib.net/store/ConjunctiveGraph')))
+    print("Adding %s\n\t%s\n\t%s\n" % (statementId, RDF.predicate, RDFS.label))
+    g0.add((statementId, RDF.predicate, RDFS.label))
+    g1.add((statementId, RDF.predicate, RDFS.label))
+    print("Adding %s\n\t%s\n\t%s\n" % (
+        statementId, RDF.object, Literal("Conjunctive Graph")))
+    g0.add((statementId, RDF.object, Literal("Conjunctive Graph")))
+    print("Len g0 after adding 4 triples %s\n" % len(g0))
+    g1.add((statementId, RDF.object, Literal("Conjunctive Graph")))
+    print("Len g1 after adding 4 triples %s\n" % len(g1))
+    print(g0.serialize(format="nt") + "\n")
+    for s, p, o in g0:
+        print("s = %s\n\tp = %s\n\to = %s\n" % (
+            repr(s), repr(p), repr(o)))
+    print(g1.serialize(format="nt") + "\n")
+    for s, p, o in g1:
+        print("s = %s\n\tp = %s\n\to = %s\n" % (
+            repr(s), repr(p), repr(o)))
+    commands.getoutput('cp development.sqlite devcopy.sqlite')
+    print("Removing %s\n\t%s\n\t%s\n" % (statementId, RDF.type, RDF.Statement))
+    g0.remove((statementId, RDF.type, RDF.Statement))
+    print("Len g0 after removal %s\n" % len(g0))
+    g1.remove((statementId, RDF.type, RDF.Statement))
+    print("Len g1 after removal %s\n" % len(g1))
+    print(g0.serialize(format="nt") + "\n")
+    print(g1.serialize(format="nt") + "\n")
+    g0.close()
+    shutil.rmtree('/tmp/foo')
+    g1.close()
     os.unlink("%(here)s/development.sqlite" % {"here": os.getcwd()})
 
 if __name__ == '__main__':

test/test_sqlalchemy.py

@@ -90,10 +90,10 @@ def test_pycompat_executeSQL(self):
             Exception, s.pycompat_executeSQL, cursor, qStr, paramList)
 
     def test_namespaces(self):
-        self.assert_(self.graph.namespaces() != [])
+        self.assert_(list(self.graph.namespaces()) != [])
 
     def test_contexts_without_triple(self):
-        self.assert_(self.graph.contexts() != [])
+        self.assert_(list(self.graph.contexts()) == [])
 
     def test_contexts_with_triple(self):
         statemnt = (michel, likes, pizza)

test/test_sqlalchemy_sqlite.py

@@ -9,7 +9,9 @@
 import graph_case
 from rdflib import Literal
 
-sqlalchemy_url = Literal(os.environ.get('DBURI',"sqlite://"))
+sqlalchemy_url = Literal(os.environ.get(
+    'DBURI',
+    "sqlite://"))
 
 
 class SQLASQLiteGraphTestCase(graph_case.GraphTestCase):