#!/usr/bin/env python
# -*- coding: utf-8 -*-
from __future__ import unicode_literals
import json
import decimal
import doctest
import unittest
import jsonpatch
import jsonpointer
import sys
try:
from types import MappingProxyType
except ImportError:
# Python < 3.3
MappingProxyType = dict
class ApplyPatchTestCase(unittest.TestCase):
def test_js_file(self):
with open('./tests.js', 'r') as f:
tests = json.load(f)
for test in tests:
try:
if 'expected' not in test:
continue
result = jsonpatch.apply_patch(test['doc'], test['patch'])
self.assertEqual(result, test['expected'])
except Exception:
if test.get('error'):
continue
else:
raise
def test_success_if_replaced_dict(self):
src = [{'a': 1}, {'b': 2}]
dst = [{'a': 1, 'b': 2}]
patch = jsonpatch.make_patch(src, dst)
self.assertEqual(patch.apply(src), dst)
def test_success_if_raise_no_error(self):
src = [{}]
dst = [{'key': ''}]
patch = jsonpatch.make_patch(src, dst)
patch.apply(src)
self.assertTrue(True)
def test_apply_patch_from_string(self):
obj = {'foo': 'bar'}
patch = '[{"op": "add", "path": "/baz", "value": "qux"}]'
res = jsonpatch.apply_patch(obj, patch)
self.assertTrue(obj is not res)
self.assertTrue('baz' in res)
self.assertEqual(res['baz'], 'qux')
def test_apply_patch_to_copy(self):
obj = {'foo': 'bar'}
res = jsonpatch.apply_patch(obj, [{'op': 'add', 'path': '/baz', 'value': 'qux'}])
self.assertTrue(obj is not res)
def test_apply_patch_to_same_instance(self):
obj = {'foo': 'bar'}
res = jsonpatch.apply_patch(obj, [{'op': 'add', 'path': '/baz', 'value': 'qux'}],
in_place=True)
self.assertTrue(obj is res)
def test_add_object_key(self):
obj = {'foo': 'bar'}
res = jsonpatch.apply_patch(obj, [{'op': 'add', 'path': '/baz', 'value': 'qux'}])
self.assertTrue('baz' in res)
self.assertEqual(res['baz'], 'qux')
def test_add_array_item(self):
obj = {'foo': ['bar', 'baz']}
res = jsonpatch.apply_patch(obj, [{'op': 'add', 'path': '/foo/1', 'value': 'qux'}])
self.assertEqual(res['foo'], ['bar', 'qux', 'baz'])
def test_remove_object_key(self):
obj = {'foo': 'bar', 'baz': 'qux'}
res = jsonpatch.apply_patch(obj, [{'op': 'remove', 'path': '/baz'}])
self.assertTrue('baz' not in res)
def test_remove_array_item(self):
obj = {'foo': ['bar', 'qux', 'baz']}
res = jsonpatch.apply_patch(obj, [{'op': 'remove', 'path': '/foo/1'}])
self.assertEqual(res['foo'], ['bar', 'baz'])
def test_replace_object_key(self):
obj = {'foo': 'bar', 'baz': 'qux'}
res = jsonpatch.apply_patch(obj, [{'op': 'replace', 'path': '/baz', 'value': 'boo'}])
self.assertTrue(res['baz'], 'boo')
def test_replace_whole_document(self):
obj = {'foo': 'bar'}
res = jsonpatch.apply_patch(obj, [{'op': 'replace', 'path': '', 'value': {'baz': 'qux'}}])
self.assertTrue(res['baz'], 'qux')
def test_add_replace_whole_document(self):
obj = {'foo': 'bar'}
new_obj = {'baz': 'qux'}
res = jsonpatch.apply_patch(obj, [{'op': 'add', 'path': '', 'value': new_obj}])
self.assertTrue(res, new_obj)
def test_replace_array_item(self):
obj = {'foo': ['bar', 'qux', 'baz']}
res = jsonpatch.apply_patch(obj, [{'op': 'replace', 'path': '/foo/1',
'value': 'boo'}])
self.assertEqual(res['foo'], ['bar', 'boo', 'baz'])
def test_move_object_keyerror(self):
obj = {'foo': {'bar': 'baz'},
'qux': {'corge': 'grault'}}
patch_obj = [ {'op': 'move', 'from': '/foo/non-existent', 'path': '/qux/thud'} ]
self.assertRaises(jsonpatch.JsonPatchConflict, jsonpatch.apply_patch, obj, patch_obj)
def test_move_object_key(self):
obj = {'foo': {'bar': 'baz', 'waldo': 'fred'},
'qux': {'corge': 'grault'}}
res = jsonpatch.apply_patch(obj, [{'op': 'move', 'from': '/foo/waldo',
'path': '/qux/thud'}])
self.assertEqual(res, {'qux': {'thud': 'fred', 'corge': 'grault'},
'foo': {'bar': 'baz'}})
def test_move_array_item(self):
obj = {'foo': ['all', 'grass', 'cows', 'eat']}
res = jsonpatch.apply_patch(obj, [{'op': 'move', 'from': '/foo/1', 'path': '/foo/3'}])
self.assertEqual(res, {'foo': ['all', 'cows', 'eat', 'grass']})
def test_move_array_item_into_other_item(self):
obj = [{"foo": []}, {"bar": []}]
patch = [{"op": "move", "from": "/0", "path": "/0/bar/0"}]
res = jsonpatch.apply_patch(obj, patch)
self.assertEqual(res, [{'bar': [{"foo": []}]}])
def test_copy_object_keyerror(self):
obj = {'foo': {'bar': 'baz'},
'qux': {'corge': 'grault'}}
patch_obj = [{'op': 'copy', 'from': '/foo/non-existent', 'path': '/qux/thud'}]
self.assertRaises(jsonpatch.JsonPatchConflict, jsonpatch.apply_patch, obj, patch_obj)
def test_copy_object_key(self):
obj = {'foo': {'bar': 'baz', 'waldo': 'fred'},
'qux': {'corge': 'grault'}}
res = jsonpatch.apply_patch(obj, [{'op': 'copy', 'from': '/foo/waldo',
'path': '/qux/thud'}])
self.assertEqual(res, {'qux': {'thud': 'fred', 'corge': 'grault'},
'foo': {'bar': 'baz', 'waldo': 'fred'}})
def test_copy_array_item(self):
obj = {'foo': ['all', 'grass', 'cows', 'eat']}
res = jsonpatch.apply_patch(obj, [{'op': 'copy', 'from': '/foo/1', 'path': '/foo/3'}])
self.assertEqual(res, {'foo': ['all', 'grass', 'cows', 'grass', 'eat']})
def test_copy_mutable(self):
""" test if mutable objects (dicts and lists) are copied by value """
obj = {'foo': [{'bar': 42}, {'baz': 3.14}], 'boo': []}
# copy object somewhere
res = jsonpatch.apply_patch(obj, [{'op': 'copy', 'from': '/foo/0', 'path': '/boo/0' }])
self.assertEqual(res, {'foo': [{'bar': 42}, {'baz': 3.14}], 'boo': [{'bar': 42}]})
# modify original object
res = jsonpatch.apply_patch(res, [{'op': 'add', 'path': '/foo/0/zoo', 'value': 255}])
# check if that didn't modify the copied object
self.assertEqual(res['boo'], [{'bar': 42}])
def test_test_success(self):
obj = {'baz': 'qux', 'foo': ['a', 2, 'c']}
jsonpatch.apply_patch(obj, [{'op': 'test', 'path': '/baz', 'value': 'qux'},
{'op': 'test', 'path': '/foo/1', 'value': 2}])
def test_test_whole_obj(self):
obj = {'baz': 1}
jsonpatch.apply_patch(obj, [{'op': 'test', 'path': '', 'value': obj}])
def test_test_error(self):
obj = {'bar': 'qux'}
self.assertRaises(jsonpatch.JsonPatchTestFailed,
jsonpatch.apply_patch,
obj, [{'op': 'test', 'path': '/bar', 'value': 'bar'}])
def test_test_not_existing(self):
obj = {'bar': 'qux'}
self.assertRaises(jsonpatch.JsonPatchTestFailed,
jsonpatch.apply_patch,
obj, [{'op': 'test', 'path': '/baz', 'value': 'bar'}])
def test_test_noval_existing(self):
obj = {'bar': 'qux'}
self.assertRaises(jsonpatch.InvalidJsonPatch,
jsonpatch.apply_patch,
obj, [{'op': 'test', 'path': '/bar'}])
def test_test_noval_not_existing(self):
obj = {'bar': 'qux'}
self.assertRaises(jsonpatch.JsonPatchTestFailed,
jsonpatch.apply_patch,
obj, [{'op': 'test', 'path': '/baz'}])
def test_test_noval_not_existing_nested(self):
obj = {'bar': {'qux': 2}}
self.assertRaises(jsonpatch.JsonPatchTestFailed,
jsonpatch.apply_patch,
obj, [{'op': 'test', 'path': '/baz/qx'}])
def test_unrecognized_element(self):
obj = {'foo': 'bar', 'baz': 'qux'}
res = jsonpatch.apply_patch(obj, [{'op': 'replace', 'path': '/baz', 'value': 'boo', 'foo': 'ignore'}])
self.assertTrue(res['baz'], 'boo')
def test_append(self):
obj = {'foo': [1, 2]}
res = jsonpatch.apply_patch(obj, [
{'op': 'add', 'path': '/foo/-', 'value': 3},
{'op': 'add', 'path': '/foo/-', 'value': 4},
])
self.assertEqual(res['foo'], [1, 2, 3, 4])
def test_add_missing_path(self):
obj = {'bar': 'qux'}
self.assertRaises(jsonpatch.InvalidJsonPatch,
jsonpatch.apply_patch,
obj, [{'op': 'test', 'value': 'bar'}])
def test_path_with_null_value(self):
obj = {'bar': 'qux'}
self.assertRaises(jsonpatch.InvalidJsonPatch,
jsonpatch.apply_patch,
obj, '[{"op": "add", "path": null, "value": "bar"}]')
class EqualityTestCase(unittest.TestCase):
def test_patch_equality(self):
patch1 = jsonpatch.JsonPatch([{ "op": "add", "path": "/a/b/c", "value": "foo" }])
patch2 = jsonpatch.JsonPatch([{ "path": "/a/b/c", "op": "add", "value": "foo" }])
self.assertEqual(patch1, patch2)
def test_patch_unequal(self):
patch1 = jsonpatch.JsonPatch([{'op': 'test', 'path': '/test'}])
patch2 = jsonpatch.JsonPatch([{'op': 'test', 'path': '/test1'}])
self.assertNotEqual(patch1, patch2)
def test_patch_hash_equality(self):
patch1 = jsonpatch.JsonPatch([{ "op": "add", "path": "/a/b/c", "value": "foo" }])
patch2 = jsonpatch.JsonPatch([{ "path": "/a/b/c", "op": "add", "value": "foo" }])
self.assertEqual(hash(patch1), hash(patch2))
def test_patch_hash_unequal(self):
patch1 = jsonpatch.JsonPatch([{'op': 'test', 'path': '/test'}])
patch2 = jsonpatch.JsonPatch([{'op': 'test', 'path': '/test1'}])
self.assertNotEqual(hash(patch1), hash(patch2))
def test_patch_neq_other_objs(self):
p = [{'op': 'test', 'path': '/test'}]
patch = jsonpatch.JsonPatch(p)
# a patch will always compare not-equal to objects of other types
self.assertFalse(patch == p)
self.assertFalse(patch == None)
# also a patch operation will always compare
# not-equal to objects of other types
op = jsonpatch.PatchOperation(p[0])
self.assertFalse(op == p[0])
self.assertFalse(op == None)
def test_str(self):
patch_obj = [ { "op": "add", "path": "/child", "value": { "grandchild": { } } } ]
patch = jsonpatch.JsonPatch(patch_obj)
self.assertEqual(json.dumps(patch_obj), str(patch))
self.assertEqual(json.dumps(patch_obj), patch.to_string())
def custom_types_dumps(obj):
def default(obj):
if isinstance(obj, decimal.Decimal):
return {'__decimal__': str(obj)}
raise TypeError('Unknown type')
return json.dumps(obj, default=default)
def custom_types_loads(obj):
def as_decimal(dct):
if '__decimal__' in dct:
return decimal.Decimal(dct['__decimal__'])
return dct
return json.loads(obj, object_hook=as_decimal)
class CustomTypesJsonPatch(jsonpatch.JsonPatch):
@staticmethod
def json_dumper(obj):
return custom_types_dumps(obj)
@staticmethod
def json_loader(obj):
return custom_types_loads(obj)
class MakePatchTestCase(unittest.TestCase):
def test_apply_patch_to_copy(self):
src = {'foo': 'bar', 'boo': 'qux'}
dst = {'baz': 'qux', 'foo': 'boo'}
patch = jsonpatch.make_patch(src, dst)
res = patch.apply(src)
self.assertTrue(src is not res)
def test_apply_patch_to_same_instance(self):
src = {'foo': 'bar', 'boo': 'qux'}
dst = {'baz': 'qux', 'foo': 'boo'}
patch = jsonpatch.make_patch(src, dst)
res = patch.apply(src, in_place=True)
self.assertTrue(src is res)
def test_objects(self):
src = {'foo': 'bar', 'boo': 'qux'}
dst = {'baz': 'qux', 'foo': 'boo'}
patch = jsonpatch.make_patch(src, dst)
res = patch.apply(src)
self.assertEqual(res, dst)
def test_arrays(self):
src = {'numbers': [1, 2, 3], 'other': [1, 3, 4, 5]}
dst = {'numbers': [1, 3, 4, 5], 'other': [1, 3, 4]}
patch = jsonpatch.make_patch(src, dst)
res = patch.apply(src)
self.assertEqual(res, dst)
def test_complex_object(self):
src = {'data': [
{'foo': 1}, {'bar': [1, 2, 3]}, {'baz': {'1': 1, '2': 2}}
]}
dst = {'data': [
{'foo': [42]}, {'bar': []}, {'baz': {'boo': 'oom!'}}
]}
patch = jsonpatch.make_patch(src, dst)
res = patch.apply(src)
self.assertEqual(res, dst)
def test_array_add_remove(self):
# see https://github.com/stefankoegl/python-json-patch/issues/4
src = {'numbers': [], 'other': [1, 5, 3, 4]}
dst = {'numbers': [1, 3, 4, 5], 'other': []}
patch = jsonpatch.make_patch(src, dst)
res = patch.apply(src)
self.assertEqual(res, dst)
def test_add_nested(self):
# see http://tools.ietf.org/html/draft-ietf-appsawg-json-patch-03#appendix-A.10
src = {"foo": "bar"}
patch_obj = [ { "op": "add", "path": "/child", "value": { "grandchild": { } } } ]
res = jsonpatch.apply_patch(src, patch_obj)
expected = { "foo": "bar",
"child": { "grandchild": { } }
}
self.assertEqual(expected, res)
# TODO: this test is currently disabled, as the optimized patch is
# not ideal
def _test_should_just_add_new_item_not_rebuild_all_list(self):
src = {'foo': [1, 2, 3]}
dst = {'foo': [3, 1, 2, 3]}
patch = list(jsonpatch.make_patch(src, dst))
self.assertEqual(len(patch), 1)
self.assertEqual(patch[0]['op'], 'add')
res = jsonpatch.apply_patch(src, patch)
self.assertEqual(res, dst)
def test_escape(self):
src = {"x/y": 1}
dst = {"x/y": 2}
patch = jsonpatch.make_patch(src, dst)
self.assertEqual([{"path": "/x~1y", "value": 2, "op": "replace"}], patch.patch)
res = patch.apply(src)
self.assertEqual(res, dst)
def test_root_list(self):
""" Test making and applying a patch of the root is a list """
src = [{'foo': 'bar', 'boo': 'qux'}]
dst = [{'baz': 'qux', 'foo': 'boo'}]
patch = jsonpatch.make_patch(src, dst)
res = patch.apply(src)
self.assertEqual(res, dst)
def test_make_patch_unicode(self):
""" Test if unicode keys and values are handled correctly """
src = {}
dst = {'\xee': '\xee'}
patch = jsonpatch.make_patch(src, dst)
res = patch.apply(src)
self.assertEqual(res, dst)
def test_issue40(self):
""" Tests an issue in _split_by_common_seq reported in #40 """
src = [8, 7, 2, 1, 0, 9, 4, 3, 5, 6]
dest = [7, 2, 1, 0, 9, 4, 3, 6, 5, 8]
jsonpatch.make_patch(src, dest)
def test_issue76(self):
""" Make sure op:remove does not include a 'value' field """
src = { "name": "fred", "friend": "barney", "spouse": "wilma" }
dst = { "name": "fred", "spouse": "wilma" }
expected = [{"path": "/friend", "op": "remove"}]
patch = jsonpatch.make_patch(src, dst)
self.assertEqual(patch.patch, expected)
res = jsonpatch.apply_patch(src, patch)
self.assertEqual(res, dst)
def test_json_patch(self):
old = {
'queue': {'teams_out': [{'id': 3, 'reason': 'If tied'}, {'id': 5, 'reason': 'If tied'}]},
}
new = {
'queue': {'teams_out': [{'id': 5, 'reason': 'If lose'}]}
}
patch = jsonpatch.make_patch(old, new)
new_from_patch = jsonpatch.apply_patch(old, patch)
self.assertEqual(new, new_from_patch)
def test_arrays_one_element_sequences(self):
""" Tests the case of multiple common one element sequences inside an array """
# see https://github.com/stefankoegl/python-json-patch/issues/30#issuecomment-155070128
src = [1,2,3]
dst = [3,1,4,2]
patch = jsonpatch.make_patch(src, dst)
res = jsonpatch.apply_patch(src, patch)
self.assertEqual(res, dst)
def test_list_in_dict(self):
""" Test patch creation with a list within a dict, as reported in #74
https://github.com/stefankoegl/python-json-patch/issues/74 """
old = {'key': [{'someNumber': 0, 'someArray': [1, 2, 3]}]}
new = {'key': [{'someNumber': 0, 'someArray': [1, 2, 3, 4]}]}
patch = jsonpatch.make_patch(old, new)
new_from_patch = jsonpatch.apply_patch(old, patch)
self.assertEqual(new, new_from_patch)
def test_nested(self):
""" Patch creation with nested dicts, as reported in #41
https://github.com/stefankoegl/python-json-patch/issues/41 """
old = {'school':{'names':['Kevin','Carl']}}
new = {'school':{'names':['Carl','Kate','Kevin','Jake']}}
patch = jsonpatch.JsonPatch.from_diff(old, new)
new_from_patch = jsonpatch.apply_patch(old, patch)
self.assertEqual(new, new_from_patch)
def test_move_from_numeric_to_alpha_dict_key(self):
#https://github.com/stefankoegl/python-json-patch/issues/97
src = {'13': 'x'}
dst = {'A': 'a', 'b': 'x'}
patch = jsonpatch.make_patch(src, dst)
res = jsonpatch.apply_patch(src, patch)
self.assertEqual(res, dst)
def test_issue90(self):
"""In JSON 1 is different from True even though in python 1 == True"""
src = {'A': 1}
dst = {'A': True}
patch = jsonpatch.make_patch(src, dst)
res = jsonpatch.apply_patch(src, patch)
self.assertEqual(res, dst)
self.assertIsInstance(res['A'], bool)
def test_issue129(self):
"""In JSON 1 is different from True even though in python 1 == True Take Two"""
src = {'A': {'D': 1.0}, 'B': {'E': 'a'}}
dst = {'A': {'C': 'a'}, 'B': {'C': True}}
patch = jsonpatch.make_patch(src, dst)
res = jsonpatch.apply_patch(src, patch)
self.assertEqual(res, dst)
self.assertIsInstance(res['B']['C'], bool)
def test_issue103(self):
"""In JSON 1 is different from 1.0 even though in python 1 == 1.0"""
src = {'A': 1}
dst = {'A': 1.0}
patch = jsonpatch.make_patch(src, dst)
res = jsonpatch.apply_patch(src, patch)
self.assertEqual(res, dst)
self.assertIsInstance(res['A'], float)
def test_issue119(self):
"""Make sure it avoids casting numeric str dict key to int"""
src = [
{'foobar': {u'1': [u'lettuce', u'cabbage', u'bok choy', u'broccoli'], u'3': [u'ibex'], u'2': [u'apple'], u'5': [], u'4': [u'gerenuk', u'duiker'], u'10_1576156603109': [], u'6': [], u'8_1572034252560': [u'thompson', u'gravie', u'mango', u'coconut'], u'7_1572034204585': []}},
{'foobar':{u'description': u'', u'title': u''}}
]
dst = [
{'foobar': {u'9': [u'almond'], u'10': u'yes', u'12': u'', u'16_1598876845275': [], u'7': [u'pecan']}},
{'foobar': {u'1': [u'lettuce', u'cabbage', u'bok choy', u'broccoli'], u'3': [u'ibex'], u'2': [u'apple'], u'5': [], u'4': [u'gerenuk', u'duiker'], u'10_1576156603109': [], u'6': [], u'8_1572034252560': [u'thompson', u'gravie', u'mango', u'coconut'], u'7_1572034204585': []}},
{'foobar': {u'description': u'', u'title': u''}}
]
patch = jsonpatch.make_patch(src, dst)
res = jsonpatch.apply_patch(src, patch)
self.assertEqual(res, dst)
def test_issue120(self):
"""Make sure it avoids casting numeric str dict key to int"""
src = [{'foobar': {'821b7213_b9e6_2b73_2e9c_cf1526314553': ['Open Work'],
'6e3d1297_0c5a_88f9_576b_ad9216611c94': ['Many Things'],
'1987bcf0_dc97_59a1_4c62_ce33e51651c7': ['Product']}},
{'foobar': {'2a7624e_0166_4d75_a92c_06b3f': []}},
{'foobar': {'10': [],
'11': ['bee',
'ant',
'wasp'],
'13': ['phobos',
'titan',
'gaea'],
'14': [],
'15': 'run3',
'16': 'service',
'2': ['zero', 'enable']}}]
dst = [{'foobar': {'1': [], '2': []}},
{'foobar': {'821b7213_b9e6_2b73_2e9c_cf1526314553': ['Open Work'],
'6e3d1297_0c5a_88f9_576b_ad9216611c94': ['Many Things'],
'1987bcf0_dc97_59a1_4c62_ce33e51651c7': ['Product']}},
{'foobar': {'2a7624e_0166_4d75_a92c_06b3f': []}},
{'foobar': {'b238d74d_dcf4_448c_9794_c13a2f7b3c0a': [],
'dcb0387c2_f7ae_b8e5bab_a2b1_94deb7c': []}},
{'foobar': {'10': [],
'11': ['bee',
'ant',
'fly'],
'13': ['titan',
'phobos',
'gaea'],
'14': [],
'15': 'run3',
'16': 'service',
'2': ['zero', 'enable']}}
]
patch = jsonpatch.make_patch(src, dst)
res = jsonpatch.apply_patch(src, patch)
self.assertEqual(res, dst)
def test_custom_types_diff(self):
old = {'value': decimal.Decimal('1.0')}
new = {'value': decimal.Decimal('1.00')}
generated_patch = jsonpatch.JsonPatch.from_diff(
old, new, dumps=custom_types_dumps)
str_patch = generated_patch.to_string(dumps=custom_types_dumps)
loaded_patch = jsonpatch.JsonPatch.from_string(
str_patch, loads=custom_types_loads)
self.assertEqual(generated_patch, loaded_patch)
new_from_patch = jsonpatch.apply_patch(old, generated_patch)
self.assertEqual(new, new_from_patch)
def test_custom_types_subclass(self):
old = {'value': decimal.Decimal('1.0')}
new = {'value': decimal.Decimal('1.00')}
generated_patch = CustomTypesJsonPatch.from_diff(old, new)
str_patch = generated_patch.to_string()
loaded_patch = CustomTypesJsonPatch.from_string(str_patch)
self.assertEqual(generated_patch, loaded_patch)
new_from_patch = jsonpatch.apply_patch(old, loaded_patch)
self.assertEqual(new, new_from_patch)
def test_custom_types_subclass_load(self):
old = {'value': decimal.Decimal('1.0')}
new = {'value': decimal.Decimal('1.00')}
patch = CustomTypesJsonPatch.from_string(
'[{"op": "replace", "path": "/value", "value": {"__decimal__": "1.00"}}]')
new_from_patch = jsonpatch.apply_patch(old, patch)
self.assertEqual(new, new_from_patch)
class OptimizationTests(unittest.TestCase):
def test_use_replace_instead_of_remove_add(self):
src = {'foo': [1, 2, 3]}
dst = {'foo': [3, 2, 3]}
patch = list(jsonpatch.make_patch(src, dst))
self.assertEqual(len(patch), 1)
self.assertEqual(patch[0]['op'], 'replace')
res = jsonpatch.apply_patch(src, patch)
self.assertEqual(res, dst)
def test_use_replace_instead_of_remove_add_nested(self):
src = {'foo': [{'bar': 1, 'baz': 2}, {'bar': 2, 'baz': 3}]}
dst = {'foo': [{'bar': 1}, {'bar': 2, 'baz': 3}]}
patch = list(jsonpatch.make_patch(src, dst))
exp = [{'op': 'remove', 'path': '/foo/0/baz'}]
self.assertEqual(patch, exp)
res = jsonpatch.apply_patch(src, patch)
self.assertEqual(res, dst)
def test_use_move_instead_of_remove_add(self):
src = {'foo': [4, 1, 2, 3]}
dst = {'foo': [1, 2, 3, 4]}
patch = list(jsonpatch.make_patch(src, dst))
self.assertEqual(len(patch), 1)
self.assertEqual(patch[0]['op'], 'move')
res = jsonpatch.apply_patch(src, patch)
self.assertEqual(res, dst)
def test_use_move_instead_of_add_remove(self):
def fn(_src, _dst):
patch = list(jsonpatch.make_patch(_src, _dst))
# Check if there are only 'move' operations
for p in patch:
self.assertEqual(p['op'], 'move')
res = jsonpatch.apply_patch(_src, patch)
self.assertEqual(res, _dst)
fn({'foo': [1, 2, 3]}, {'foo': [3, 1, 2]})
fn([1, 2, 3], [3, 1, 2])
fn({'foo': [1, 2, 3]}, {'foo': [3, 2, 1]})
fn([1, 2, 3], [3, 2, 1])
def test_success_if_replace_inside_dict(self):
src = [{'a': 1, 'foo': {'b': 2, 'd': 5}}]
dst = [{'a': 1, 'foo': {'b': 3, 'd': 6}}]
patch = jsonpatch.make_patch(src, dst)
self.assertEqual(patch.apply(src), dst)
def test_success_if_replace_single_value(self):
src = [{'a': 1, 'b': 2, 'd': 5}]
dst = [{'a': 1, 'c': 3, 'd': 5}]
patch = jsonpatch.make_patch(src, dst)
self.assertEqual(patch.apply(src), dst)
def test_success_if_replaced_by_object(self):
src = [{'a': 1, 'b': 2, 'd': 5}]
dst = [{'d': 6}]
patch = jsonpatch.make_patch(src, dst)
self.assertEqual(patch.apply(src), dst)
def test_success_if_correct_patch_appied(self):
src = [{'a': 1}, {'b': 2}]
dst = [{'a': 1, 'b': 2}]
patch = jsonpatch.make_patch(src, dst)
self.assertEqual(patch.apply(src), dst)
def test_success_if_correct_expected_patch_appied(self):
src = [{"a": 1, "b": 2}]
dst = [{"b": 2, "c": 2}]
exp = [
{'path': '/0/a', 'op': 'remove'},
{'path': '/0/c', 'op': 'add', 'value': 2}
]
patch = jsonpatch.make_patch(src, dst)
self.assertEqual(patch.patch, exp)
# verify that this patch does what we expect
res = jsonpatch.apply_patch(src, patch)
self.assertEqual(res, dst)
def test_minimal_patch(self):
""" Test whether a minimal patch is created, see #36 """
src = [{"foo": 1, "bar": 2}]
dst = [{"foo": 2, "bar": 2}]
patch = jsonpatch.make_patch(src, dst)
exp = [
{
"path": "/0/foo",
"value": 2,
"op": "replace"
}
]
self.assertEqual(patch.patch, exp)
class ListTests(unittest.TestCase):
def test_fail_prone_list_1(self):
""" Test making and applying a patch of the root is a list """
src = ['a', 'r', 'b']
dst = ['b', 'o']
patch = jsonpatch.make_patch(src, dst)
res = patch.apply(src)
self.assertEqual(res, dst)
def test_fail_prone_list_2(self):
""" Test making and applying a patch of the root is a list """
src = ['a', 'r', 'b', 'x', 'm', 'n']
dst = ['b', 'o', 'm', 'n']
patch = jsonpatch.make_patch(src, dst)
res = patch.apply(src)
self.assertEqual(res, dst)
def test_fail_prone_list_3(self):
""" Test making and applying a patch of the root is a list """
src = ['boo1', 'bar', 'foo1', 'qux']
dst = ['qux', 'bar']
patch = jsonpatch.make_patch(src, dst)
res = patch.apply(src)
self.assertEqual(res, dst)
def test_fail_prone_list_4(self):
""" Test making and applying a patch of the root is a list """
src = ['bar1', 59, 'foo1', 'foo']
dst = ['foo', 'bar', 'foo1']
patch = jsonpatch.make_patch(src, dst)
res = patch.apply(src)
self.assertEqual(res, dst)
class InvalidInputTests(unittest.TestCase):
def test_missing_op(self):
# an "op" member is required
src = {"foo": "bar"}
patch_obj = [ { "path": "/child", "value": { "grandchild": { } } } ]
self.assertRaises(jsonpatch.JsonPatchException, jsonpatch.apply_patch, src, patch_obj)
def test_invalid_op(self):
# "invalid" is not a valid operation
src = {"foo": "bar"}
patch_obj = [ { "op": "invalid", "path": "/child", "value": { "grandchild": { } } } ]
self.assertRaises(jsonpatch.JsonPatchException, jsonpatch.apply_patch, src, patch_obj)
class ConflictTests(unittest.TestCase):
def test_remove_indexerror(self):
src = {"foo": [1, 2]}
patch_obj = [ { "op": "remove", "path": "/foo/10"} ]
self.assertRaises(jsonpatch.JsonPatchConflict, jsonpatch.apply_patch, src, patch_obj)
def test_remove_keyerror(self):
src = {"foo": [1, 2]}
patch_obj = [ { "op": "remove", "path": "/foo/b"} ]
self.assertRaises(jsonpointer.JsonPointerException, jsonpatch.apply_patch, src, patch_obj)
def test_remove_keyerror_dict(self):
src = {'foo': {'bar': 'barz'}}
patch_obj = [ { "op": "remove", "path": "/foo/non-existent"} ]
self.assertRaises(jsonpatch.JsonPatchConflict, jsonpatch.apply_patch, src, patch_obj)
def test_insert_oob(self):
src = {"foo": [1, 2]}
patch_obj = [ { "op": "add", "path": "/foo/10", "value": 1} ]
self.assertRaises(jsonpatch.JsonPatchConflict, jsonpatch.apply_patch, src, patch_obj)
def test_move_into_child(self):
src = {"foo": {"bar": {"baz": 1}}}
patch_obj = [ { "op": "move", "from": "/foo", "path": "/foo/bar" } ]
self.assertRaises(jsonpatch.JsonPatchException, jsonpatch.apply_patch, src, patch_obj)
def test_replace_oob(self):
src = {"foo": [1, 2]}
patch_obj = [ { "op": "replace", "path": "/foo/10", "value": 10} ]
self.assertRaises(jsonpatch.JsonPatchConflict, jsonpatch.apply_patch, src, patch_obj)
def test_replace_oob_length(self):
src = {"foo": [0, 1]}
patch_obj = [ { "op": "replace", "path": "/foo/2", "value": 2} ]
self.assertRaises(jsonpatch.JsonPatchConflict, jsonpatch.apply_patch, src, patch_obj)
def test_replace_missing(self):
src = {"foo": 1}
patch_obj = [ { "op": "replace", "path": "/bar", "value": 10} ]
self.assertRaises(jsonpatch.JsonPatchConflict, jsonpatch.apply_patch, src, patch_obj)
class JsonPointerTests(unittest.TestCase):
def test_create_with_pointer(self):
patch = jsonpatch.JsonPatch([
{'op': 'add', 'path': jsonpointer.JsonPointer('/foo'), 'value': 'bar'},
{'op': 'add', 'path': jsonpointer.JsonPointer('/baz'), 'value': [1, 2, 3]},
{'op': 'remove', 'path': jsonpointer.JsonPointer('/baz/1')},
{'op': 'test', 'path': jsonpointer.JsonPointer('/baz'), 'value': [1, 3]},
{'op': 'replace', 'path': jsonpointer.JsonPointer('/baz/0'), 'value': 42},
{'op': 'remove', 'path': jsonpointer.JsonPointer('/baz/1')},
{'op': 'move', 'from': jsonpointer.JsonPointer('/foo'), 'path': jsonpointer.JsonPointer('/bar')},
])
doc = {}
result = patch.apply(doc)
expected = {'bar': 'bar', 'baz': [42]}
self.assertEqual(result, expected)
class JsonPatchCreationTest(unittest.TestCase):
def test_creation_fails_with_invalid_patch(self):
invalid_patches = [
{ 'path': '/foo', 'value': 'bar'},
{'op': 0xADD, 'path': '/foo', 'value': 'bar'},
{'op': 'boo', 'path': '/foo', 'value': 'bar'},
{'op': 'add', 'value': 'bar'},
]
for patch in invalid_patches:
with self.assertRaises(jsonpatch.InvalidJsonPatch):
jsonpatch.JsonPatch([patch])
with self.assertRaises(jsonpointer.JsonPointerException):
jsonpatch.JsonPatch([{'op': 'add', 'path': 'foo', 'value': 'bar'}])
class UtilityMethodTests(unittest.TestCase):
def test_boolean_coercion(self):
empty_patch = jsonpatch.JsonPatch([])
self.assertFalse(empty_patch)
def test_patch_equality(self):
p = jsonpatch.JsonPatch([{'op': 'add', 'path': '/foo', 'value': 'bar'}])
q = jsonpatch.JsonPatch([{'op': 'add', 'path': '/foo', 'value': 'bar'}])
different_op = jsonpatch.JsonPatch([{'op': 'remove', 'path': '/foo'}])
different_path = jsonpatch.JsonPatch([{'op': 'add', 'path': '/bar', 'value': 'bar'}])
different_value = jsonpatch.JsonPatch([{'op': 'add', 'path': '/foo', 'value': 'foo'}])
self.assertNotEqual(p, different_op)
self.assertNotEqual(p, different_path)
self.assertNotEqual(p, different_value)
self.assertEqual(p, q)
def test_operation_equality(self):
add = jsonpatch.AddOperation({'path': '/new-element', 'value': 'new-value'})
add2 = jsonpatch.AddOperation({'path': '/new-element', 'value': 'new-value'})
rm = jsonpatch.RemoveOperation({'path': '/target'})
self.assertEqual(add, add2)
self.assertNotEqual(add, rm)
def test_add_operation_structure(self):
with self.assertRaises(jsonpatch.InvalidJsonPatch):
jsonpatch.AddOperation({'path': '/'}).apply({})
def test_replace_operation_structure(self):
with self.assertRaises(jsonpatch.InvalidJsonPatch):
jsonpatch.ReplaceOperation({'path': '/'}).apply({})
with self.assertRaises(jsonpatch.InvalidJsonPatch):
jsonpatch.ReplaceOperation({'path': '/top/-', 'value': 'foo'}).apply({'top': {'inner': 'value'}})
with self.assertRaises(jsonpatch.JsonPatchConflict):
jsonpatch.ReplaceOperation({'path': '/top/missing', 'value': 'foo'}).apply({'top': {'inner': 'value'}})
def test_move_operation_structure(self):
with self.assertRaises(jsonpatch.InvalidJsonPatch):
jsonpatch.MoveOperation({'path': '/target'}).apply({})
with self.assertRaises(jsonpatch.JsonPatchConflict):
jsonpatch.MoveOperation({'from': '/source', 'path': '/target'}).apply({})
def test_test_operation_structure(self):
with self.assertRaises(jsonpatch.JsonPatchTestFailed):
jsonpatch.TestOperation({'path': '/target'}).apply({})
with self.assertRaises(jsonpatch.InvalidJsonPatch):
jsonpatch.TestOperation({'path': '/target'}).apply({'target': 'value'})
def test_copy_operation_structure(self):
with self.assertRaises(jsonpatch.InvalidJsonPatch):
jsonpatch.CopyOperation({'path': '/target'}).apply({})
with self.assertRaises(jsonpatch.JsonPatchConflict):
jsonpatch.CopyOperation({'path': '/target', 'from': '/source'}).apply({})
with self.assertRaises(jsonpatch.JsonPatchConflict):
jsonpatch.CopyOperation({'path': '/target', 'from': '/source'}).apply({})
class CustomJsonPointer(jsonpointer.JsonPointer):
pass
class PrefixJsonPointer(jsonpointer.JsonPointer):
def __init__(self, pointer):
super(PrefixJsonPointer, self).__init__('/foo/bar' + pointer)
class CustomJsonPointerTests(unittest.TestCase):
def test_json_patch_from_string(self):
patch = '[{"op": "add", "path": "/baz", "value": "qux"}]'
res = jsonpatch.JsonPatch.from_string(
patch, pointer_cls=CustomJsonPointer,
)
self.assertEqual(res.pointer_cls, CustomJsonPointer)
def test_json_patch_from_object(self):
patch = [{'op': 'add', 'path': '/baz', 'value': 'qux'}]
res = jsonpatch.JsonPatch(
patch, pointer_cls=CustomJsonPointer,
)
self.assertEqual(res.pointer_cls, CustomJsonPointer)
def test_json_patch_from_diff(self):
old = {'foo': 'bar'}
new = {'foo': 'baz'}
res = jsonpatch.JsonPatch.from_diff(
old, new, pointer_cls=CustomJsonPointer,
)
self.assertEqual(res.pointer_cls, CustomJsonPointer)
def test_apply_patch_from_string(self):
obj = {'foo': 'bar'}
patch = '[{"op": "add", "path": "/baz", "value": "qux"}]'
res = jsonpatch.apply_patch(
obj, patch,
pointer_cls=CustomJsonPointer,
)
self.assertTrue(obj is not res)
self.assertTrue('baz' in res)
self.assertEqual(res['baz'], 'qux')
def test_apply_patch_from_object(self):
obj = {'foo': 'bar'}
res = jsonpatch.apply_patch(
obj, [{'op': 'add', 'path': '/baz', 'value': 'qux'}],
pointer_cls=CustomJsonPointer,
)
self.assertTrue(obj is not res)
def test_make_patch(self):
src = {'foo': 'bar', 'boo': 'qux'}
dst = {'baz': 'qux', 'foo': 'boo'}
patch = jsonpatch.make_patch(
src, dst, pointer_cls=CustomJsonPointer,
)
res = patch.apply(src)
self.assertTrue(src is not res)
self.assertEqual(patch.pointer_cls, CustomJsonPointer)
self.assertTrue(patch._ops)
for op in patch._ops:
self.assertIsInstance(op.pointer, CustomJsonPointer)
self.assertEqual(op.pointer_cls, CustomJsonPointer)
def test_operations(self):
operations =[
(
jsonpatch.AddOperation, {
'op': 'add', 'path': '/foo', 'value': [1, 2, 3]
}
),
(
jsonpatch.MoveOperation, {
'op': 'move', 'path': '/baz', 'from': '/foo'
},
),
(
jsonpatch.RemoveOperation, {
'op': 'remove', 'path': '/baz/1'
},
),
(
jsonpatch.TestOperation, {
'op': 'test', 'path': '/baz', 'value': [1, 3]
},
),
(
jsonpatch.ReplaceOperation, {
'op': 'replace', 'path': '/baz/0', 'value': 42
},
),
(
jsonpatch.RemoveOperation, {
'op': 'remove', 'path': '/baz/1'
},
)
]
for cls, patch in operations:
operation = cls(patch, pointer_cls=CustomJsonPointer)
self.assertEqual(operation.pointer_cls, CustomJsonPointer)
self.assertIsInstance(operation.pointer, CustomJsonPointer)
def test_operations_from_patch(self):
patch = jsonpatch.JsonPatch([
{'op': 'add', 'path': '/foo', 'value': [1, 2, 3]},
{'op': 'move', 'path': '/baz', 'from': '/foo'},
{'op': 'add', 'path': '/baz', 'value': [1, 2, 3]},
{'op': 'remove', 'path': '/baz/1'},
{'op': 'test', 'path': '/baz', 'value': [1, 3]},
{'op': 'replace', 'path': '/baz/0', 'value': 42},
{'op': 'remove', 'path': '/baz/1'},
], pointer_cls=CustomJsonPointer)
self.assertEqual(patch.apply({}), {'baz': [42]})
self.assertEqual(patch.pointer_cls, CustomJsonPointer)
self.assertTrue(patch._ops)
for op in patch._ops:
self.assertIsInstance(op.pointer, CustomJsonPointer)
self.assertEqual(op.pointer_cls, CustomJsonPointer)
def test_json_patch_with_prefix_pointer(self):
res = jsonpatch.apply_patch(
{'foo': {'bar': {}}}, [{'op': 'add', 'path': '/baz', 'value': 'qux'}],
pointer_cls=PrefixJsonPointer,
)
self.assertEqual(res, {'foo': {'bar': {'baz': 'qux'}}})
class CustomOperationTests(unittest.TestCase):
def test_custom_operation(self):
class IdentityOperation(jsonpatch.PatchOperation):
def apply(self, obj):
return obj
class JsonPatch(jsonpatch.JsonPatch):
operations = MappingProxyType(
dict(
identity=IdentityOperation,
**jsonpatch.JsonPatch.operations
)
)
patch = JsonPatch([{'op': 'identity', 'path': '/'}])
self.assertIn('identity', patch.operations)
res = patch.apply({})
self.assertEqual(res, {})
if __name__ == '__main__':
modules = ['jsonpatch']
def get_suite():
suite = unittest.TestSuite()
suite.addTest(doctest.DocTestSuite(jsonpatch))
suite.addTest(unittest.makeSuite(ApplyPatchTestCase))
suite.addTest(unittest.makeSuite(EqualityTestCase))
suite.addTest(unittest.makeSuite(MakePatchTestCase))
suite.addTest(unittest.makeSuite(ListTests))
suite.addTest(unittest.makeSuite(InvalidInputTests))
suite.addTest(unittest.makeSuite(ConflictTests))
suite.addTest(unittest.makeSuite(OptimizationTests))
suite.addTest(unittest.makeSuite(JsonPointerTests))
suite.addTest(unittest.makeSuite(JsonPatchCreationTest))
suite.addTest(unittest.makeSuite(UtilityMethodTests))
suite.addTest(unittest.makeSuite(CustomJsonPointerTests))
suite.addTest(unittest.makeSuite(CustomOperationTests))
return suite
suite = get_suite()
for module in modules:
m = __import__(module, fromlist=[module])
suite.addTest(doctest.DocTestSuite(m))
runner = unittest.TextTestRunner(verbosity=1)
result = runner.run(suite)
if not result.wasSuccessful():
sys.exit(1)