def test_equal():
d1 = OrderedDict([('a', 'b'), ('e', 'f'), ('c', 'd'), ('g', 'h')])
d2 = OrderedDict([('a', 'b'), ('c', 'd'), ('e', 'f'), ('g', 'h')])
d3 = OrderedDict([('a', 'b'), ('c', 'd'), ('e', 'f'), ('g', 'h')])
assert not d1 == d2
assert d3 == d2
def test_key_index():
d = OrderedDict([('a', 'b'), ('c', 'd'), ('e', 'f'), ('g', 'h')])
assert d.key_index('a') == 0
assert d.key_index('c') == 1
assert d.key_index('e') == 2
assert d.key_index('g') == 3
def test_get():
d = OrderedDict([('a', 'b'), ('c', 'd'), ('e', 'f'), ('g', 'h')])
assert d['a'] == 'b'
assert d['c'] == 'd'
assert d['e'] == 'f'
assert d['g'] == 'h'
def test_delete():
d = OrderedDict([('a', 'b'), ('c', 'd'), ('e', 'f'), ('g', 'h')])
del d['c']
assert_against_list(d, [('a', 'b'), ('e', 'f'), ('g', 'h')])
d['c'] = 'z'
assert_against_list(d, [('a', 'b'), ('e', 'f'), ('g', 'h'), ('c', 'z')])
def test_insert():
scenario = [(('a', 'b', 2), 0), (('c', 'd', 2), 1), (('e', 'f', 2), 2),
(('g', 'h', 2), 2), (('i', 'j', 2), 2), (('k', 'l', 10), 5),
(('m', 'n', 4), 4)]
d = OrderedDict()
for data, result in scenario:
d.insert(*data)
assert d[data[0]] == data[1]
assert d.keys()[result] == data[0]
assert_against_list(d, [('a', 'b'), ('c', 'd'), ('i', 'j'), ('g', 'h'),
('m', 'n'), ('e', 'f'), ('k', 'l')])
def test_reorder_keys_fail():
d = OrderedDict([('a', 'b'), ('c', 'd'), ('e', 'f'), ('g', 'h')])
with pytest.raises(ValueError):
d.reorder_keys(['e', 'c', 'g', 'a', 'z'])
with pytest.raises(ValueError):
d.reorder_keys(['e', 'c', 'g'])
with pytest.raises(ValueError):
d.reorder_keys(['e', 'g', 'a', 'z'])
with pytest.raises(ValueError):
d.reorder_keys(['e', 'c', 'a'])
with pytest.raises(ValueError):
d.reorder_keys(['e', 'g', 'c', 'a', 'a'])
def test_reorder_keys():
d = OrderedDict([('a', 'b'), ('c', 'd'), ('e', 'f'), ('g', 'h')])
d.reorder_keys(['e', 'c', 'g', 'a'])
assert_against_list(d, [('e', 'f'), ('c', 'd'), ('g', 'h'), ('a', 'b')])
def test_update_with_insert():
d = OrderedDict([('a', 'b'), ('c', 'd'), ('e', 'f'), ('g', 'h')])
d.insert('c', 'z', 3)
assert_against_list(d, [('a', 'b'), ('e', 'f'), ('g', 'h'), ('c', 'z')])
def test_init():
base_list = [('a', 'b'), ('c', 'd'), ('e', 'f'), ('g', 'h')]
d = OrderedDict(base_list)
assert_against_list(d, base_list)
def test_representation():
d = OrderedDict([('a', 'b'), ('c', 'd'), ('e', 'f'), ('g', 'h')])
assert str(d) == "[('a', 'b'), ('c', 'd'), ('e', 'f'), ('g', 'h')]"
def setUp(self):
self._test_keys = ['a', 'b', 'c']
self._test_vals = [-2, 0, 1]
self.d = OrderedDict(zip(self._test_keys, self._test_vals))
def test_value_check(self):
od = OrderedDict([('a', -2), ('b', 0), ('c', 3)])
self.assertNotEquals(self.d, od)
def test_order_check(self):
od = OrderedDict([('c', 1), ('b', 0), ('a', -2)])
self.assertNotEquals(self.d, od)