class EnvTest(unittest.TestCase):
def setUp(self):
self.env = Env()
self.parser = Parser()
def tearDown(self):
None
def test_prefix_binding(self):
prefix_uri = Uri('http://test.prefix.eg/')
prefix = 'prefix'
self.env.bind_prefix(prefix, prefix_uri)
self.assertTrue('prefix' in [p for (p, n) in self.env._rdf._g.namespaces()])
def test_get_and_set_default_prefix(self):
prefix = 'x'
self.env.bind_prefix(prefix, Uri('http://eg/'))
before = Uri(self.env._rdf._g.identifier.toPython())
self.assertEqual(before, self.env.uri)
self.assertEqual(self.env.prefix, None)
self.env.prefix = prefix
self.env.uri = Uri('http://eg/')
self.assertEqual(Uri('http://eg/'), self.env.uri)
self.assertEqual('x', self.env.prefix)
def test_self_uri_set(self):
uri = Uri('setselfuri')
self.env.self_uri = uri
self.assertEqual(self.env.self_uri, uri)
def test_assignment(self):
uri = Uri('http://test.variable/#x')
value = Value(12345)
self.env.assign(uri, value)
self.assertEqual(self.env._symbol_table.get(uri), value)
def test_lookup(self):
uri = Uri('http://test.variable/#x')
value = Value(12345)
self.env.assign(uri, value)
self.assertEqual(self.env.lookup(uri), value)
def test_template_binding(self):
template = self.parser.parse('t()(x = 1 y = 2)')[0]
uri = template.identifier.evaluate(self.env)
with self.assertRaises(KeyError):
self.env.lookup_template(uri)
self.env.assign_template(uri, template.as_triples(self.env))
self.assertEqual(self.env._template_table.get(uri, False),
template.as_triples(self.env))
def test_template_lookup(self):
template = self.parser.parse('t()(x = 1 y = 2)')[0]
uri = template.identifier.evaluate(self.env)
with self.assertRaises(KeyError):
self.env.lookup_template(uri)
self.env._template_table[uri] = template.as_triples(self.env)
self.assertEqual(self.env.lookup_template(uri),
template.as_triples(self.env))
def test_extension_binding(self):
t = self.parser.parse('t()(@extension E() @extension F())')[0]
uri = t.identifier.evaluate(self.env)
extensions = t.extensions
self.assertFalse(self.env.lookup_extensions(uri))
self.env.assign_extensions(uri, extensions)
self.assertEqual(extensions, self.env._extension_table.get(uri, None))
def test_extension_lookup(self):
t = self.parser.parse('t()(@extension E() @extension F())')[0]
uri = t.identifier.evaluate(self.env)
extensions = t.extensions
self.assertFalse(self.env.lookup_extensions(uri))
self.env._extension_table[uri] = extensions
self.assertEqual(extensions, self.env.lookup_extensions(uri))
class TestCoreIdentifier(unittest.TestCase):
def setUp(self):
self.env = Env()
self.env.current_self = Uri('')
self.env.bind_prefix('p', Uri('prefix'))
self.env.prefix = 'p'
def test_identifier_equal(self):
i1 = Identifier(Name('n1'), Name('n2'), Name('n3'))
i2 = Identifier(Name('n1'), Name('n2'), Name('n3'))
self.assertEqual(i1, i2)
i3 = Identifier(Name('n1'), Name('n2'))
self.assertNotEqual(i1, i3)
def test_identifier_evaluate_unbound_single_name(self):
i = Identifier(Name('first'))
expected = Uri('prefixfirst')
actually = i.evaluate(self.env)
self.assertEqual(expected, actually)
def test_identifier_evaluate_unbound_two_names(self):
i = Identifier(Name('first'), Name('second'))
expected = Uri('prefixfirstsecond')
actually = i.evaluate(self.env)
self.assertEqual(expected, actually)
def test_identifier_evaluate_unbound_self_as_prefix(self):
i = Identifier(Self(), Name('n'))
expected = Identifier(Self(), Name('n'))
actually = i.evaluate(self.env)
self.assertEqual(expected, actually)
def test_identifier_evaluate_multiple_unbound(self):
i = Identifier(Name('n1'), Name('n2'), Name('n3'), Name('n4'))
expected = Uri('prefixn1n2n3n4')
actually = i.evaluate(self.env)
self.assertEqual(expected, actually)
def test_identifier_evaluate_bound_local(self):
i = Identifier(Name('first'))
expected = Value(1)
self.env.assign(i.evaluate(self.env), expected)
actually = i.evaluate(self.env)
self.assertEqual(expected, actually)
def test_identifier_evaluate_bound_prefixed(self):
i = Identifier(Name('first'), Name('second'))
expected = Value(1)
self.env.assign(i.evaluate(self.env), expected)
actually = i.evaluate(self.env)
self.assertEqual(expected, actually)
def test_identifier_evaluate_bound_multiple_parts(self):
i = Identifier(Name('first'), Name('second'), Name('third'), Name('fourth'))
expected = Value(1)
self.env.assign(i.evaluate(self.env), expected)
actually = i.evaluate(self.env)
self.assertEqual(expected, actually)
def test_identifier_evaluate_uri_and_symbol_parts(self):
i = Identifier(Uri('first'), Name('second'))
expected = Value(1)
uri = Uri('firstsecond')
self.assertEqual(i.evaluate(self.env), uri)
self.env.assign(i.evaluate(self.env), expected)
actually = i.evaluate(self.env)
self.assertEqual(expected, actually)
def test_identifier_evaluate_bound_prefix(self):
i = Identifier(Name('first'), Name('second'))
prefix = Uri('http://first.org/#')
self.env.assign(Identifier(Name('first')).evaluate(self.env), prefix)
expected = Uri('http://first.org/#second')
actually = i.evaluate(self.env)
self.assertEqual(expected, actually)
def test_identifier_evaluate_bound_double_prefix(self):
i = Identifier(Name('first'), Name('second'), Name('third'))
prefix = Uri('http://first.org/#second#')
uri = Identifier(Name('first'), Name('second')).evaluate(self.env)
self.env.assign(uri, prefix)
expected = Uri('http://first.org/#second#third')
actually = i.evaluate(self.env)
self.assertEqual(expected, actually)
def test_identifier_evaluate_bound_prefix_not_uri(self):
i = Identifier(Name('first'), Name('second'))
value = Value(12345)
self.env.assign(Identifier(Name('first')).evaluate(self.env), value)
expected = Uri('prefixfirstsecond')
actually = i.evaluate(self.env)
self.assertEqual(expected, actually)
def test_identifier_evaluate_double_bound_prefix_not_uri(self):
i = Identifier(Name('first'), Name('second'), Name('third'))
value = Value(12345)
prefix_part = Identifier(Name('first'), Name('second'))
self.env.assign(prefix_part.evaluate(self.env), value)
expected = Uri('prefixfirstsecondthird')
actually = i.evaluate(self.env)
self.assertEqual(expected, actually)
def test_identifier_uri_first_unbound(self):
i = Identifier(Uri('http://literal.eg/'), Name('literal'))
expected = Uri('http://literal.eg/literal')
actually = i.evaluate(self.env)
self.assertEqual(expected, actually)