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# This file is part of Dictdiffer.
#
# Copyright (C) 2015 CERN.
#
# Dictdiffer is free software; you can redistribute it and/or modify
# it under the terms of the MIT License; see LICENSE file for more
# details.
import unittest
from dictdiffer.utils import (PathLimit, WildcardDict, create_dotted_node,
dot_lookup, get_path, is_super_path, nested_hash)
class UtilsTest(unittest.TestCase):
def test_wildcarddict(self):
wd = WildcardDict()
wd[('authors', '*')] = True
self.assertRaises(KeyError, wd.__getitem__, ('authors',))
self.assertTrue(wd[('authors', 1)])
self.assertTrue(wd[('authors', 1, 'name')])
self.assertTrue(wd[('authors', 1, 'affiliation')])
del wd[('authors', '*')]
wd[('authors', '+')] = True
self.assertRaises(KeyError, wd.__getitem__, ('authors',))
self.assertTrue(wd[('authors', 1)])
self.assertRaises(KeyError, wd.__getitem__, ('authors', 1, 'name'))
self.assertRaises(KeyError, wd.__getitem__, ('authors', 1,
'affiliation'))
del wd[('authors', '+')]
wd[('foo', 'bar')] = True
self.assertRaises(KeyError, wd.__getitem__, ('foo',))
self.assertTrue(wd[('foo', 'bar')])
self.assertRaises(KeyError, wd.__getitem__, ('foo', 'bar', 'banana'))
# query_path part
wd = WildcardDict()
wd[('authors', '*')] = True
wd[('apple', '+')] = True
wd[('foo', 'bar')] = True
self.assertRaises(KeyError, wd.query_path, ('utz',))
self.assertRaises(KeyError, wd.query_path, ('foo',))
self.assertRaises(KeyError, wd.query_path, ('bar',))
self.assertRaises(KeyError, wd.query_path, ('apple', 'banana',
'mango'))
self.assertEqual(('authors', '*'), wd.query_path(('authors', 1)))
self.assertEqual(('authors', '*'), wd.query_path(('authors', 1, 1)))
self.assertEqual(('authors', '*'), wd.query_path(('authors', 1, 1, 1)))
self.assertEqual(('apple', '+'), wd.query_path(('apple', 'banana')))
self.assertEqual(('apple', '+'), wd.query_path(('apple', 'mango')))
self.assertEqual(('foo', 'bar'), wd.query_path(('foo', 'bar')))
def test_pathlimit(self):
path_limit = PathLimit([('author', 'name')])
self.assertFalse(path_limit.path_is_limit(('author')))
self.assertTrue(path_limit.path_is_limit(('author', 'name')))
self.assertFalse(path_limit.path_is_limit(('author', 'name', 'foo')))
path_limit = PathLimit([('authors', '*')])
self.assertFalse(path_limit.path_is_limit(('authors')))
self.assertTrue(path_limit.path_is_limit(('authors', 'name')))
self.assertTrue(path_limit.path_is_limit(('authors', 1)))
self.assertTrue(path_limit.path_is_limit(('authors', 2)))
self.assertFalse(path_limit.path_is_limit(('authors', 'name', 'foo')))
def test_create_dotted_node(self):
node = ('foo', 'bar')
self.assertEqual('foo.bar', create_dotted_node(node))
node = ('foo', 1)
self.assertEqual(['foo', 1], create_dotted_node(node))
node = ('foo', 1, 'bar')
self.assertEqual(['foo', 1, 'bar'], create_dotted_node(node))
def test_get_path(self):
patch = ('add/delete', '', [('author', 'Bob')])
self.assertEqual(('author',), get_path(patch))
patch = ('add/delete', 'authors', [('name', 'Bob')])
self.assertEqual(('authors', 'name'), get_path(patch))
patch = ('add/delete', 'foo.bar', [('name', 'Bob')])
self.assertEqual(('foo', 'bar', 'name'), get_path(patch))
patch = ('add/delete', ['foo', 1], [('name', 'Bob')])
self.assertEqual(('foo', 1, 'name'), get_path(patch))
patch = ('change', 'foo', [('John', 'Bob')])
self.assertEqual(('foo',), get_path(patch))
patch = ('change', 'foo.bar', [('John', 'Bob')])
self.assertEqual(('foo', 'bar'), get_path(patch))
patch = ('change', ['foo', 'bar'], [('John', 'Bob')])
self.assertEqual(('foo', 'bar'), get_path(patch))
patch = ('change', ['foo', 1], [('John', 'Bob')])
self.assertEqual(('foo', 1), get_path(patch))
def test_is_super_path(self):
# # True
path1 = ('authors', 1, 'name')
path2 = ('authors', 1, 'name')
self.assertTrue(is_super_path(path1, path2))
path1 = ('authors', 1)
path2 = ('authors', 1, 'name')
self.assertTrue(is_super_path(path1, path2))
path1 = ('authors',)
path2 = ('authors', 1, 'name')
self.assertTrue(is_super_path(path1, path2))
# # False
path1 = ('authors', 1, 'name')
path2 = ('authors', 1, 'surname')
self.assertFalse(is_super_path(path1, path2))
path1 = ('authors', 2)
path2 = ('authors', 1, 'surname')
self.assertFalse(is_super_path(path1, path2))
path1 = ('author',)
path2 = ('authors', 1, 'surname')
self.assertFalse(is_super_path(path1, path2))
def test_dot_lookup(self):
self.assertEqual(dot_lookup({'a': {'b': 'hello'}}, 'a.b'), 'hello')
self.assertEqual(dot_lookup({'a': {'b': 'hello'}}, ['a', 'b']),
'hello')
self.assertEqual(dot_lookup({'a': {'b': 'hello'}}, 'a.b', parent=True),
{'b': 'hello'})
self.assertEqual(dot_lookup({'a': {'b': 'hello'}}, ''),
{'a': {'b': 'hello'}})
def test_nested_hash(self):
# No reasonable way to test this
nested_hash([1, 2, 3])
nested_hash((1, 2, 3))
nested_hash(set([1, 2, 3]))
nested_hash({'foo': 'bar'})
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