def test_items_remove(self):
"""Should successfully compare different dictionaries when a key is present in the fi dict but is not present in the second one"""
obj_1 = {
'first-key': 'one',
'second-key': {
'sublevel-1': {
'sublevel-2': {
'sublevel-3-first': 'leaf-value',
'sublevel-3-second': [1, 3, 4, {'simple': 'dictionaries'}]
}
}
}
}
obj_2 = {
'first-key': 'one',
'second-key': {
'sublevel-1': {
'sublevel-2': {
'sublevel-3-first': 'leaf-value'
}
}
}
}
expected_msg = ("The following path/value is present in the first "
"dict but is not present in the second dict: "
"['second-key']['sublevel-1']['sublevel-2']"
"['sublevel-3-second'] -> [1, 3, 4, {'simple': "
"'dictionaries'}]")
with self.assertRaises(AssertionError) as raised:
assert_dicts_equal(obj_1, obj_2)
self.assertEqual(raised.exception.message, expected_msg)
def test_successfully_compare_complex_dicts_different_inner_key_types(self):
"""Should successfully compare complex dictionaries, which include other dictionaries as their values containing keys of different types"""
obj_1 = {
'first-key': 'one',
'second-key': {
'sublevel-1': {
'sublevel-2': {
'sublevel-3-first': 'leaf-value',
'sublevel-3-second': [1, 3, 4, {'simple': 'dictionary'}]
}
}
}
}
obj_2 = {
'first-key': 'one',
'second-key': {
'sublevel-1': {
'sublevel-2': {
'sublevel-3-first': None,
'sublevel-3-second': [1, 3, 4, {'simple': 'dictionary'}]
}
}
}
}
expected_msg = ("Value in path ['second-key']['sublevel-1']"
"['sublevel-2']['sublevel-3-first'] is of type 'str' "
"with value 'leaf-value' in first dict and it is of "
"type 'NoneType' with value 'None' in second dict")
with self.assertRaises(AssertionError) as raised:
assert_dicts_equal(obj_1, obj_2)
self.assertEqual(raised.exception.message, expected_msg)
def test_usage_error(self):
"""Should raise UsageError when arguments are not an especialization of MutableMapping"""
expected_msg = ('Both objects being compared must be instances of '
'dictionaries')
obj_1 = obj_2 = [1, 2, 3, 4, 5]
with self.assertRaises(UsageError) as raised:
assert_dicts_equal(obj_1, obj_2)
self.assertEqual(raised.exception.message, expected_msg)
def test_successfully_compare_identical_simple_dicts(self):
"""Should successfully compare simple identical dictionaries that do not contain any inner dictionaries as one of their values"""
obj_1 = obj_2 = {
'first-key': 'first-value',
'second-key': 2,
'third-key': [3, 2, 1]
}
assert_dicts_equal(obj_1, obj_2)
def test_successfully_compare_complex_dicts(self):
"""Should successfully compare identical complex dictionaries, which include other dictionaries as their values"""
obj_1 = obj_2 = {
'first-key': 'one',
'second-key': {
'sublevel-1': {
'sublevel-2': {
'sublevel-3-first': 'leaf-value',
'sublevel-3-second': [1, 3, 4, {'simple': 'dictionary'}]
}
}
}
}
assert_dicts_equal(obj_1, obj_2)
def test_successfully_compare_simple_dicts_different_values(self):
"""Should successfully compare simple dictionaries with keys of same types but different values, and do not contain any inner dictionaries as one of their values and raise an AssertionError"""
obj_1 = {
'first-key': 1
}
obj_2 = {
'first-key': 2
}
expected_msg = ("Value in path ['first-key'] is '1' in first dict and "
"it is '2' in second dict")
with self.assertRaises(AssertionError) as raised:
assert_dicts_equal(obj_1, obj_2)
self.assertEqual(raised.exception.message, expected_msg)
def test_multiple_differences(self):
"""Should successfully compare different dictionaries with multiple differences"""
obj_1 = {
'first-key': 'one',
'second-key': {
'sublevel-1': {
'sublevel-2': {
'sublevel-3-first': 'leaf-value',
'sublevel-3-second': [1, 3, 4, {'simple': 'dictionaries'}]
}
}
},
'third-key': 3,
'fourth-key': ['first', 'second', 'third']
}
obj_2 = {
'first-key': 'one',
'second-key': {
'sublevel-1': {
'sublevel-2': {
'sublevel-3-first': 'leaf-value',
'sublevel-3-third': 'another-leaf'
}
}
},
'third-key': 'three',
'fourth-key': ['first', 'third']
}
expected_msg = ("Value in path ['third-key'] is of type 'int' with "
"value '3' in first dict and it is of type 'str' with "
"value 'three' in second dict\nThe following path/value "
"is present in the first dict but is not present in the "
"second dict: ['second-key']['sublevel-1']['sublevel-2']"
"['sublevel-3-second'] -> [1, 3, 4, {'simple': "
"'dictionaries'}]\nValue in path ['fourth-key'][1] is "
"'second' in first dict and it is 'third' in second "
"dict\nThe following path/value is not present in the "
"first dict but is present in the second dict: "
"['second-key']['sublevel-1']['sublevel-2']"
"['sublevel-3-third'] -> another-leaf")
with self.assertRaises(AssertionError) as raised:
assert_dicts_equal(obj_1, obj_2)
self.assertEqual(raised.exception.message, expected_msg)