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test_dict_util.py
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from unittest import TestCase
from dict_util import find_values_with_key
class DictUtilTest(TestCase):
def test_find_values_with_key__return_values__when_in_obj(self):
# given
dikt = {'ref': 'value'}
# when
result = find_values_with_key('ref', dikt)
# then
self.assertEqual(list(result), ['value'])
def test_find_values_with_key__return_empty_generator__when_not_in_obj(self):
# given
dikt = {'key': 'value'}
# when
result = find_values_with_key('ref', dikt)
# then
self.assertEqual(list(result), [])
def test_find_values_with_key__return_values__when_in_nested_obj(self):
# given
dikt = {'key': {'ref': 'value'}}
# when
result = find_values_with_key('ref', dikt)
# then
self.assertEqual(list(result), ['value'])
def test_find_values_with_key__return_values__when_in_nested_obj_2_levels(self):
# given
dikt = {
'key': {
'key': {
'ref': 'value'
}
}
}
# when
result = find_values_with_key('ref', dikt)
# then
self.assertEqual(list(result), ['value'])
def test_find_values_with_key__return_values__when_in_nested_obj_4_levels(self):
# given
dikt = {
'key': {
'key': {
'key': {
'key': {
'ref': 'value'
}
}
}
}
}
# when
result = find_values_with_key('ref', dikt)
# then
self.assertEqual(list(result), ['value'])
def test_find_values_with_key__return_values__when_found_many_in_nested_obj_4_levels(self):
# given
dikt = {
'key': {
'key': {
'key': {
'key': {
'ref': 'value'
},
'ref': 'value5'
},
'ref': 'value4'
},
'ref': 'value3'
},
'ref': 'value2'
}
# when
result = find_values_with_key('ref', dikt)
# then
self.assertEqual(sorted(list(result)), sorted(['value', 'value2', 'value3', 'value4', 'value5']))
def test_find_values_with_key__return_values__when_found_many_non_unique_in_nested_obj_4_levels(self):
# given
dikt = {
'key': {
'key': {
'key': {
'key': {
'ref': 'value'
},
'ref': 'value3'
},
'ref': 'value3'
},
'ref': 'value3'
},
'ref': 'value2'
}
# when
result = find_values_with_key('ref', dikt)
# then
self.assertEqual(sorted(list(result)), sorted(['value', 'value2', 'value3', 'value3', 'value3']))
def test_find_values_with_key__return_values__when_obj_in_list(self):
# given
dikt = {
'key': [
{'ref': 'value'}
]
}
# when
result = find_values_with_key('ref', dikt)
# then
self.assertEqual(list(result), ['value'])
def test_find_values_with_key__return_values__when_obj_in_nested_list(self):
# given
dikt = {
'key': [{
'key': [{
'key': [{
'ref': 'value'
}]
}]
}]
}
# when
result = find_values_with_key('ref', dikt)
# then
self.assertEqual(list(result), ['value'])
def test_find_values_with_key__return_values__when_obj_in_many_nested_list(self):
# given
dikt = {
'key': [
{
'key': [{
'key': [{
'ref': 'value0'
}]
}]
},
{
'key': [{
'key': [{
'ref': 'value1'
}]
}]
},
{
'key': [{
'key': [{
'ref': 'value2'
}]
}]
},
{
'key': [{
'key': [{
'ref': 'value3'
}]
}]
},
{
'key': [{
'key': [{
'ref': 'value3'
}]
}]
},
{
'key': [{
'key': [{
'ref': 'value3'
}]
}]
}
]
}
# when
result = find_values_with_key('ref', dikt)
# then
self.assertEqual(list(result), ['value0', 'value1', 'value2', 'value3', 'value3', 'value3'])