python-json-pointer/tests.py at master · jlquant/python-json-pointer · GitHub

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#!/usr/bin/env python

# -*- coding: utf-8 -*-

from __future__ import unicode_literals

import doctest

import unittest

import sys

import copy

from jsonpointer import resolve_pointer, EndOfList, JsonPointerException, \

JsonPointer, set_pointer

class SpecificationTests(unittest.TestCase):

""" Tests all examples from the JSON Pointer specification """

def test_example(self):

doc = {

"foo": ["bar", "baz"],

"": 0,

"a/b": 1,

"c%d": 2,

"e^f": 3,

"g|h": 4,

"i\\j": 5,

"k\"l": 6,

" ": 7,

"m~n": 8

}

self.assertEqual(resolve_pointer(doc, ""), doc)

self.assertEqual(resolve_pointer(doc, "/foo"), ["bar", "baz"])

self.assertEqual(resolve_pointer(doc, "/foo/0"), "bar")

self.assertEqual(resolve_pointer(doc, "/"), 0)

self.assertEqual(resolve_pointer(doc, "/a~1b"), 1)

self.assertEqual(resolve_pointer(doc, "/c%d"), 2)

self.assertEqual(resolve_pointer(doc, "/e^f"), 3)

self.assertEqual(resolve_pointer(doc, "/g|h"), 4)

self.assertEqual(resolve_pointer(doc, "/i\\j"), 5)

self.assertEqual(resolve_pointer(doc, "/k\"l"), 6)

self.assertEqual(resolve_pointer(doc, "/ "), 7)

self.assertEqual(resolve_pointer(doc, "/m~0n"), 8)

def test_eol(self):

doc = {

"foo": ["bar", "baz"]

}

self.assertTrue(isinstance(resolve_pointer(doc, "/foo/-"), EndOfList))

self.assertRaises(JsonPointerException, resolve_pointer, doc, "/foo/-/1")

def test_round_trip(self):

paths = [

"",

"/foo",

"/foo/0",

"/",

"/a~1b",

"/c%d",

"/e^f",

"/g|h",

"/i\\j",

"/k\"l",

"/ ",

"/m~0n",

'/\xee',

]

for path in paths:

ptr = JsonPointer(path)

self.assertEqual(path, ptr.path)

parts = ptr.parts

new_ptr = JsonPointer.from_parts(parts)

self.assertEqual(ptr, new_ptr)

class ComparisonTests(unittest.TestCase):

def setUp(self):

self.ptr1 = JsonPointer("/a/b/c")

self.ptr2 = JsonPointer("/a/b")

self.ptr3 = JsonPointer("/b/c")

def test_eq_hash(self):

p1 = JsonPointer("/something/1/b")

p2 = JsonPointer("/something/1/b")

p3 = JsonPointer("/something/1.0/b")

self.assertEqual(p1, p2)

self.assertNotEqual(p1, p3)

self.assertNotEqual(p2, p3)

self.assertEqual(hash(p1), hash(p2))

self.assertNotEqual(hash(p1), hash(p3))

self.assertNotEqual(hash(p2), hash(p3))

# a pointer compares not-equal to objects of other types

self.assertFalse(p1 == "/something/1/b")

def test_contains(self):

self.assertTrue(self.ptr1.contains(self.ptr2))

self.assertTrue(self.ptr1.contains(self.ptr1))

self.assertFalse(self.ptr1.contains(self.ptr3))

def test_contains_magic(self):

self.assertTrue(self.ptr2 in self.ptr1)

self.assertTrue(self.ptr1 in self.ptr1)

self.assertFalse(self.ptr3 in self.ptr1)

class WrongInputTests(unittest.TestCase):

def test_no_start_slash(self):

# an exception is raised when the pointer string does not start with /

self.assertRaises(JsonPointerException, JsonPointer, 'some/thing')

def test_invalid_index(self):

# 'a' is not a valid list index

doc = [0, 1, 2]

self.assertRaises(JsonPointerException, resolve_pointer, doc, '/a')

def test_oob(self):

# this list does not have 10 members

doc = [0, 1, 2]

self.assertRaises(JsonPointerException, resolve_pointer, doc, '/10')

class ToLastTests(unittest.TestCase):

def test_empty_path(self):

doc = {'a': [1, 2, 3]}

ptr = JsonPointer('')

last, nxt = ptr.to_last(doc)

self.assertEqual(doc, last)

self.assertTrue(nxt is None)

def test_path(self):

doc = {'a': [{'b': 1, 'c': 2}, 5]}

ptr = JsonPointer('/a/0/b')

last, nxt = ptr.to_last(doc)

self.assertEqual(last, {'b': 1, 'c': 2})

self.assertEqual(nxt, 'b')

class SetTests(unittest.TestCase):

def test_set(self):

doc = {

"foo": ["bar", "baz"],

"": 0,

"a/b": 1,

"c%d": 2,

"e^f": 3,

"g|h": 4,

"i\\j": 5,

"k\"l": 6,

" ": 7,

"m~n": 8

}

origdoc = copy.deepcopy(doc)

# inplace=False

newdoc = set_pointer(doc, "/foo/1", "cod", inplace=False)

self.assertEqual(resolve_pointer(newdoc, "/foo/1"), "cod")

newdoc = set_pointer(doc, "/", 9, inplace=False)

self.assertEqual(resolve_pointer(newdoc, "/"), 9)

newdoc = set_pointer(doc, "/fud", {}, inplace=False)

newdoc = set_pointer(newdoc, "/fud/gaw", [1, 2, 3], inplace=False)

self.assertEqual(resolve_pointer(newdoc, "/fud"), {'gaw' : [1, 2, 3]})

newdoc = set_pointer(doc, "", 9, inplace=False)

self.assertEqual(newdoc, 9)

self.assertEqual(doc, origdoc)

# inplace=True

set_pointer(doc, "/foo/1", "cod")

self.assertEqual(resolve_pointer(doc, "/foo/1"), "cod")

set_pointer(doc, "/", 9)

self.assertEqual(resolve_pointer(doc, "/"), 9)

self.assertRaises(JsonPointerException, set_pointer, doc, "/fud/gaw", 9)

set_pointer(doc, "/fud", {})

set_pointer(doc, "/fud/gaw", [1, 2, 3] )

self.assertEqual(resolve_pointer(doc, "/fud"), {'gaw' : [1, 2, 3]})

self.assertRaises(JsonPointerException, set_pointer, doc, "", 9)

class AltTypesTests(unittest.TestCase):

def test_alttypes(self):

JsonPointer.alttypes = True

class Node(object):

def __init__(self, name, parent=None):

self.name = name

self.parent = parent

self.left = None

self.right = None

def set_left(self, node):

node.parent = self

self.left = node

def set_right(self, node):

node.parent = self

self.right = node

def __getitem__(self, key):

if key == 'left':

return self.left

if key == 'right':

return self.right

raise KeyError("Only left and right supported")

def __setitem__(self, key, val):

if key == 'left':

return self.set_left(val)

if key == 'right':

return self.set_right(val)

raise KeyError("Only left and right supported: %s" % key)

root = Node('root')

root.set_left(Node('a'))

root.left.set_left(Node('aa'))

root.left.set_right(Node('ab'))

root.set_right(Node('b'))

root.right.set_left(Node('ba'))

root.right.set_right(Node('bb'))

self.assertEqual(resolve_pointer(root, '/left').name, 'a')

self.assertEqual(resolve_pointer(root, '/left/right').name, 'ab')

self.assertEqual(resolve_pointer(root, '/right').name, 'b')

self.assertEqual(resolve_pointer(root, '/right/left').name, 'ba')

newroot = set_pointer(root, '/left/right', Node('AB'), inplace=False)

self.assertEqual(resolve_pointer(root, '/left/right').name, 'ab')

self.assertEqual(resolve_pointer(newroot, '/left/right').name, 'AB')

set_pointer(root, '/left/right', Node('AB'))

self.assertEqual(resolve_pointer(root, '/left/right').name, 'AB')

suite = unittest.TestSuite()

suite.addTest(unittest.makeSuite(SpecificationTests))

suite.addTest(unittest.makeSuite(ComparisonTests))

suite.addTest(unittest.makeSuite(WrongInputTests))

suite.addTest(unittest.makeSuite(ToLastTests))

suite.addTest(unittest.makeSuite(SetTests))

suite.addTest(unittest.makeSuite(AltTypesTests))

modules = ['jsonpointer']

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)

python-json-pointer/tests.py at master · jlquant/python-json-pointer · GitHub

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