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# This file is part of verify. 

# 

# Developed for the LSST Data Management System. 

# This product includes software developed by the LSST Project 

# (https://www.lsst.org). 

# See the COPYRIGHT file at the top-level directory of this distribution 

# for details of code ownership. 

# 

# This program is free software: you can redistribute it and/or modify 

# it under the terms of the GNU General Public License as published by 

# the Free Software Foundation, either version 3 of the License, or 

# (at your option) any later version. 

# 

# This program is distributed in the hope that it will be useful, 

# but WITHOUT ANY WARRANTY; without even the implied warranty of 

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 

# GNU General Public License for more details. 

# 

# You should have received a copy of the GNU General Public License 

# along with this program. If not, see <https://www.gnu.org/licenses/>. 

"""Test yamlutils.merge_documents.""" 

 

import unittest 

from collections import OrderedDict 

from copy import deepcopy 

 

from lsst.verify.yamlutils import merge_documents 

 

 

class TestMergeDocuments(unittest.TestCase): 

"""Test merge_documents, demonstrating how embedded dictionaries and 

lists are merged. 

""" 

 

def setUp(self): 

self.base_doc = OrderedDict([ 

('A', 'a value'), 

('B', 'b value'), 

('C', [1, 2]), 

('D', OrderedDict([ 

('a', 'a value'), 

('b', 'b value'), 

('c', OrderedDict([ 

('alpha', 1), 

('beta', 3) 

])) 

])), 

('E', OrderedDict(hello='world')) 

]) 

self.base_doc_copy = deepcopy(self.base_doc) 

 

self.new_doc = OrderedDict([ 

('B', 'over-written value'), 

('Z', 'new value'), 

('C', [3, 4]), 

('D', OrderedDict([ 

('d', 'd value'), 

('c', OrderedDict([ 

('beta', 2), 

('gamma', 3) 

])) 

])), 

('E', 'good-bye'), 

]) 

self.new_doc_copy = deepcopy(self.new_doc) 

 

self.expected = OrderedDict([ 

('A', 'a value'), 

('B', 'over-written value'), 

('C', [1, 2, 3, 4]), 

('D', OrderedDict([ 

('a', 'a value'), 

('b', 'b value'), 

('c', OrderedDict([ 

('alpha', 1), 

('beta', 2), 

('gamma', 3) 

])), 

('d', 'd value') 

])), 

('E', 'good-bye'), 

('Z', 'new value'), 

]) 

 

self.merged = merge_documents(self.base_doc, self.new_doc) 

 

def test_merge(self): 

self.assertEqual(self.merged, self.expected) 

 

def test_immutability(self): 

"""Ensure the inputs are unchanged.""" 

self.assertEqual(self.base_doc, self.base_doc_copy) 

self.assertEqual(self.new_doc, self.new_doc_copy) 

 

 

96 ↛ 97line 96 didn't jump to line 97, because the condition on line 96 was never trueif __name__ == "__main__": 

unittest.main()