def test_shift(self):
state = _parser.ParseState()
with mock.patch.object(_parser.ParseState, 'reduce') as mock_reduce:
state.shift('token', 'value')
self.assertEqual(['token'], state.tokens)
self.assertEqual(['value'], state.values)
mock_reduce.assert_called_once_with()
def test_extend_or_expr(self):
state = _parser.ParseState()
mock_expr = mock.Mock()
mock_expr.add_check.return_value = 'newcheck'
result = state._extend_or_expr(mock_expr, 'or', 'check')
self.assertEqual([('or_expr', 'newcheck')], result)
mock_expr.add_check.assert_called_once_with('check')
def test_reduce_multi(self, mock_meth):
state = _parser.ParseState()
state.tokens = ['tok1', 'tok2']
state.values = ['val1', 'val2']
state.reduce()
self.assertEqual(['tok3', 'tok4'], state.tokens)
self.assertEqual(['val3', 'val4'], state.values)
mock_meth.assert_called_once_with('val1', 'val2')
def test_reduce_short(self, mock_meth):
state = _parser.ParseState()
state.tokens = ['tok1']
state.values = ['val1']
state.reduce()
self.assertEqual(['tok1'], state.tokens)
self.assertEqual(['val1'], state.values)
self.assertFalse(mock_meth.called)
def test_reduce_two(self, mock_meth2, mock_meth1):
state = _parser.ParseState()
state.tokens = ['tok1', 'tok2', 'tok3']
state.values = ['val1', 'val2', 'val3']
state.reduce()
self.assertEqual(['tok5'], state.tokens)
self.assertEqual(['val5'], state.values)
mock_meth1.assert_called_once_with('val2', 'val3')
mock_meth2.assert_called_once_with('val1', 'val4')
def test_make_not_expr(self):
state = _parser.ParseState()
result = state._make_not_expr('not', 'check')
self.assertEqual([('check', 'not check')], result)
def test_make_or_expr(self):
state = _parser.ParseState()
result = state._make_or_expr('check1', 'or', 'check2')
self.assertEqual([('or_expr', ['check1', 'check2'])], result)
def test_wrap_check(self):
state = _parser.ParseState()
result = state._wrap_check('(', 'the_check', ')')
self.assertEqual([('check', 'the_check')], result)
def test_result(self):
state = _parser.ParseState()
state.tokens = ['token']
state.values = ['value']
self.assertEqual('value', state.result)
def test_result_unreduced(self):
state = _parser.ParseState()
state.tokens = ['tok1', 'tok2']
state.values = ['val1', 'val2']
self.assertRaises(ValueError, lambda: state.result)
def test_result_empty(self):
state = _parser.ParseState()
self.assertRaises(ValueError, lambda: state.result)
def test_init(self):
state = _parser.ParseState()
self.assertEqual([], state.tokens)
self.assertEqual([], state.values)