class ContextTest(TestCase):
def setUp(self):
self._data = {"Z": 1}
self._environment = Context()
for key, value in self._data.items():
self._environment[key] = value
def test_look_up_a_key_that_was_never_defined(self):
self.assertIsNone(self._environment["never defined"])
self.assertNotIn("never defined", self._environment)
def test_definition(self):
(key, value) = ("X", 234)
self.assertNotIn("X", self._environment)
self._environment[key] = value
self.assertEqual(value, self._environment[key])
def test_containment(self):
for key, value in self._data.items():
self.assertTrue(key in self._environment)
self.assertEqual(value, self._environment[key])
def test_fork_and_look_up_key_defined_in_the_parent(self):
fork = self._environment.fork()
for key, value in self._data.items():
self.assertTrue(key in fork)
self.assertEqual(value, fork[key])
def test_fork_and_redefine_key(self):
fork = self._environment.fork()
fork["Z"] = 2
self.assertEqual(2, fork["Z"])
self.assertEqual(1, self._environment["Z"])
def setUp(self):
self._engine = MagicMock()
self._macros = MacroFactory(self._engine)
self._symbols = SymbolTable.default()
self._tokens = TokenFactory(self._symbols)
self._factory = Factory(self._symbols)
self._environment = Context(definitions=self._macros.all())
def _rewrite(self, text, source, symbol_table=None):
character_table = symbol_table or self._character_table
factory = Factory(character_table)
macros = MacroFactory(self)
parser = Parser(factory.as_tokens(text, source), factory,
Context(definitions=macros.all()))
return parser.process()
def setUp(self):
self._data = {"Z": 1}
self._environment = Context()
for key, value in self._data.items():
self._environment[key] = value
def setUp(self):
self._data = {"Z": 1}
self._environment = Context()
for key, value in self._data.items():
self._environment[key] = value
def _rewrite(self, text, source, symbol_table=SymbolTable.default()):
factory = Factory(symbol_table)
macros = MacroFactory(self)
parser = Parser(factory.as_tokens(text, source), factory,
Context(definitions=macros.all()))
return parser.rewrite()
