def test_klass_hierarchy(self):
from traits.util.toposort import topological_sort
from pgv.red.api import PythonNamespace
namespace = PythonNamespace()
package = namespace.lookup("quickblocks")
def harvest_klasses(node):
""" Recursively harvest all klasses from the given node. """
klasses = []
for child in node.children:
if isinstance(child, Klass):
klasses.append(child)
klasses.extend(harvest_klasses(child))
return klasses
klasses = harvest_klasses(package)
# Build a dependency graph.
graph = {}
for klass in klasses:
arcs = graph.setdefault(klass, [])
# print 'Klass', klass.name, klass.module.filename
arcs.extend(klass.bases)
x = topological_sort(graph)
print x
return
def test_no_such_name(self):
namespace = PythonNamespace()
module = namespace.lookup('traits.has_traits.HasTraits')
self.failUnlessRaises(NameError, module.resolve, 'Bogus')
return
def test_bug(self):
from pgv.red.api import PythonNamespace
namespace = PythonNamespace()
klass = namespace.lookup("quickblocks.appbase.application.Application")
klass.bases
return
def test_base_classes(self):
from pgv.red.api import PythonNamespace
namespace = PythonNamespace()
klass = namespace.lookup("pgv.red.namespace_node.NamespaceNode")
self.assertEqual(1, len(klass.bases))
self.assertEqual("HasTraits", klass.bases[0].name)
return
def XXXtest_from_x_import_y(self):
namespace = PythonNamespace()
module = namespace.lookup('pgv.red.namespace_node')
klass = module.resolve('HasTraits')
self.assertTrue(isinstance(klass, Klass))
self.assertEqual('traits.has_traits', klass.parent.dotted_name)
self.assertEqual('traits.has_traits', klass.module.dotted_name)
return
def test_resolve_name_defined_in_node(self):
namespace = PythonNamespace()
module = namespace.lookup('traits.has_traits')
klass = module.resolve('HasTraits')
self.assertTrue(isinstance(klass, Klass))
self.assertEqual('traits.has_traits.HasTraits', klass.dotted_name)
self.assertEqual('traits.has_traits', klass.module.dotted_name)
self.assertEqual('traits.has_traits', klass.parent.dotted_name)
return
def test_bogus_lookups_in_cartoons_directory(self):
namespace = PythonNamespace(path=[self.CARTOONS_DIR])
self.assertEqual(None, namespace.lookup(''))
self.assertEqual(None, namespace.lookup('.'))
self.assertEqual(None, namespace.lookup('bogus.'))
self.assertEqual(None, namespace.lookup('flinstones.'))
self.assertEqual(None, namespace.lookup('flinstones.bogus'))
self.assertEqual(None, namespace.lookup('flinstones.fred.bogus'))
self.assertEqual(None, namespace.lookup('flinstones.fred.Dino.bogus'))
return
def test_lookup_in_cartoons_directory(self):
namespace = PythonNamespace(path=[self.CARTOONS_DIR])
package = namespace.lookup('flinstones')
self.assertEqual(Package, type(package))
self.assertEqual(package.name, 'flinstones')
module = namespace.lookup('flinstones.fred')
self.assertEqual(Module, type(module))
self.assertEqual(module.name, 'fred')
function = namespace.lookup('flinstones.fred.frobnicate')
self.assertEqual(Function, type(function))
self.assertEqual(function.name, 'frobnicate')
klass = namespace.lookup('flinstones.fred.Dino')
self.assertEqual(Klass, type(klass))
self.assertEqual(klass.name, 'Dino')
function = namespace.lookup('flinstones.fred.Dino.eat')
self.assertEqual(Function, type(function))
self.assertEqual(function.name, 'eat')
attribute = namespace.lookup('flinstones.fred.Dino.age')
self.assertEqual(Attribute, type(attribute))
self.assertEqual(attribute.name, 'age')
attribute = namespace.lookup('flinstones.fred.Dino.age')
self.assertEqual(Attribute, type(attribute))
self.assertEqual(attribute.name, 'age')
klass = namespace.lookup('flinstones.fred.Dino.Nested.AndAgain')
self.assertEqual(Klass, type(klass))
self.assertEqual(klass.name, 'AndAgain')
return
