def test_basic_attribute_access(self): keyed_tuple = util.KeyedTuple([1, 2], ['a', 'b']) eq_(keyed_tuple.a, 1) eq_(keyed_tuple.b, 2) def should_raise(): keyed_tuple.c assert_raises(AttributeError, should_raise)
def test_basic_index_access(self): keyed_tuple = util.KeyedTuple([1, 2], ['a', 'b']) eq_(keyed_tuple[0], 1) eq_(keyed_tuple[1], 2) def should_raise(): keyed_tuple[2] assert_raises(IndexError, should_raise)
def test_empty(self): keyed_tuple = util.KeyedTuple([]) eq_(type(keyed_tuple), util.KeyedTuple) eq_(str(keyed_tuple), '()') eq_(len(keyed_tuple), 0) eq_(keyed_tuple.__dict__, {'_labels': []}) eq_(list(keyed_tuple.keys()), []) eq_(keyed_tuple._fields, ()) eq_(keyed_tuple._asdict(), {})
def test_values_but_no_labels(self): keyed_tuple = util.KeyedTuple([1, 2]) eq_(type(keyed_tuple), util.KeyedTuple) eq_(str(keyed_tuple), '(1, 2)') eq_(len(keyed_tuple), 2) eq_(keyed_tuple.__dict__, {'_labels': []}) eq_(list(keyed_tuple.keys()), []) eq_(keyed_tuple._fields, ()) eq_(keyed_tuple._asdict(), {}) eq_(keyed_tuple[0], 1) eq_(keyed_tuple[1], 2)
def test_immutable(self): keyed_tuple = util.KeyedTuple([1, 2], ['a', 'b']) eq_(str(keyed_tuple), '(1, 2)') # attribute access: mutable eq_(keyed_tuple.a, 1) keyed_tuple.a = 100 eq_(keyed_tuple.a, 100) keyed_tuple.c = 300 eq_(keyed_tuple.c, 300) # index access: immutable def should_raise(): keyed_tuple[0] = 100 assert_raises(TypeError, should_raise)
def test_duplicate_labels(self): keyed_tuple = util.KeyedTuple([1, 2, 3], ['a', 'b', 'b']) eq_(str(keyed_tuple), '(1, 2, 3)') # TODO: consider not allowing duplicate labels expected = {'a': 1, 'b': 3, '_labels': ['a', 'b', 'b']} eq_(keyed_tuple.__dict__, expected) eq_(list(keyed_tuple.keys()), ['a', 'b', 'b']) eq_(keyed_tuple._fields, ('a', 'b', 'b')) eq_(keyed_tuple._asdict(), {'a': 1, 'b': 3}) # attribute access: can't get at value 2 eq_(keyed_tuple.a, 1) eq_(keyed_tuple.b, 3) # index access: can get at value 2 eq_(keyed_tuple[0], 1) eq_(keyed_tuple[1], 2) eq_(keyed_tuple[2], 3)
def test_basic_creation(self): keyed_tuple = util.KeyedTuple([1, 2], ['a', 'b']) eq_(str(keyed_tuple), '(1, 2)') eq_(list(keyed_tuple.keys()), ['a', 'b']) eq_(keyed_tuple._fields, ('a', 'b')) eq_(keyed_tuple._asdict(), {'a': 1, 'b': 2})