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64 lines
2.1 KiB
64 lines
2.1 KiB
4 months ago
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# Copyright (C) 2020 The Android Open Source Project
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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"""Test XML diff."""
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import unittest
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import xml.etree.ElementTree as ET
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import xml_diff
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class XmlDiffTest(unittest.TestCase):
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def test_attribute_changes(self):
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e1 = ET.fromstring('<node attr1="hello" attr2="hello2" ignored="me"/>')
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e2 = ET.fromstring('<node attr3="hello3" attr2="bye2"/>')
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changes = xml_diff.attribute_changes(e1, e2, set(['ignored']))
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self.assertEqual(
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xml_diff.ChangeMap(
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added={'attr3': 'hello3'},
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removed={'attr1': 'hello'},
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modified={'attr2': xml_diff.Change('hello2', 'bye2')}), changes)
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def test_compare_subelements(self):
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p1 = ET.fromstring("""<parent>
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<tag1 attr="newfile2" attrkey="notneeded" />
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<tag1 attr="oldfile1" attrkey="dest1" />
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<tag2 attr="oldfile2" attrkey="dest2" />
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</parent>
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""")
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p2 = ET.fromstring("""<parent>
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<tag1 attr="newfile1" attrkey="dest1" />
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<tag2 attr="newfile2" attrkey="dest2" />
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<tag2 attr="somefile" attrkey="addedfile" />
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</parent>
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""")
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changes = xml_diff.compare_subelements(
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tag='tag1',
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p1=p1,
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p2=p2,
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ignored_attrs=set(),
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key_fn=lambda x: x.get('attrkey'),
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diff_fn=xml_diff.attribute_changes)
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self.assertEqual(changes.added, {})
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self.assertEqual(
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changes.removed,
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{'notneeded': '<tag1 attr="newfile2" attrkey="notneeded" />'})
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self.assertEqual(
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changes.modified, {
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'dest1':
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xml_diff.ChangeMap(
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modified={'attr': xml_diff.Change('oldfile1', 'newfile1')})
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})
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