def testNestedResolve(self):
scope2 = Scope(parent=self.scope)
self.scope.addSymbol('foo', foo)
scope2.addSymbol('bar', bar)
result = scope2.resolveSymbol('bar')
self.assertEqual(bar, result)
result = self.scope.resolveSymbol('bar')
self.assertEqual(None, result)
class ScopeTest(unittest.TestCase):
def setUp(self):
self.scope = Scope(parent=None)
def testCtor(self):
# If execution passes the setUp phase, the test has already passed.
pass
def testAddSymbol(self):
self.scope.addSymbol('foo', foo)
def testBadAddSymbol(self):
self.scope.addSymbol('foo', foo)
self.assertRaises(
AssertionError,
lambda: self.scope.addSymbol('foo', foo)
)
def testSimpleResolve(self):
self.scope.addSymbol('foo', foo)
self.assertEqual(foo, self.scope.resolveSymbol('foo'))
def testNestedResolve(self):
scope2 = Scope(parent=self.scope)
self.scope.addSymbol('foo', foo)
scope2.addSymbol('bar', bar)
result = scope2.resolveSymbol('bar')
self.assertEqual(bar, result)
result = self.scope.resolveSymbol('bar')
self.assertEqual(None, result)
