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  • Committer: wang
  • Date: 2006-10-29 13:41:32 UTC
  • mto: (2104.4.1 wang_65714)
  • mto: This revision was merged to the branch mainline in revision 2109.
  • Revision ID: wang@ubuntu-20061029134132-3d7f4216f20c4aef
Replace python's difflib by patiencediff because the worst case 
performance is cubic for difflib and people commiting large data 
files are often hurt by this. The worst case performance of patience is 
quadratic. Fix bug 65714.

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bzrlib/tests/test_xml.py
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# Copyright (C) 2005 by Canonical Ltd
 
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# Copyright (C) 2005 Canonical Ltd
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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</revision>
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"""
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_revision_v5_utc = """\
 
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<revision committer="Martin Pool &lt;mbp@sourcefrog.net&gt;"
 
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    inventory_sha1="e79c31c1deb64c163cf660fdedd476dd579ffd41"
 
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    revision_id="mbp@sourcefrog.net-20050905080035-e0439293f8b6b9f9"
 
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    timestamp="1125907235.211783886"
 
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    timezone="0">
 
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<message>- start splitting code for xml (de)serialization away from objects
 
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  preparatory to supporting multiple formats by a single library
 
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</message>
 
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<parents>
 
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<revision_ref revision_id="mbp@sourcefrog.net-20050905063503-43948f59fa127d92"/>
 
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</parents>
 
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</revision>
 
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"""
 
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_committed_inv_v5 = """<inventory>
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<file file_id="bar-20050901064931-73b4b1138abc9cd2" 
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      name="bar" parent_id="TREE_ROOT" 
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           file_id="foo-20050801201819-4139aa4a272f4250"
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           parent_id="TREE_ROOT" 
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           revision="mbp@foo-00"/>
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<file file_id="bar-20050824000535-6bc48cfad47ed134" 
 
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<file executable="yes" file_id="bar-20050824000535-6bc48cfad47ed134" 
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      name="bar" parent_id="foo-20050801201819-4139aa4a272f4250" 
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      revision="mbp@foo-00"/>
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</inventory>
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"""
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# DO NOT REFLOW THIS. Its the exact revision we want.
 
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_expected_rev_v5 = """<revision committer="Martin Pool &lt;mbp@sourcefrog.net&gt;" format="5" inventory_sha1="e79c31c1deb64c163cf660fdedd476dd579ffd41" revision_id="mbp@sourcefrog.net-20050905080035-e0439293f8b6b9f9" timestamp="1125907235.211783886" timezone="36000">
 
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<message>- start splitting code for xml (de)serialization away from objects
 
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  preparatory to supporting multiple formats by a single library
 
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</message>
 
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<parents>
 
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<revision_ref revision_id="mbp@sourcefrog.net-20050905063503-43948f59fa127d92" />
 
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</parents>
 
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</revision>
 
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"""
 
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# DO NOT REFLOW THIS. Its the exact inventory we want.
 
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_expected_inv_v5 = """<inventory format="5">
 
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<file file_id="bar-20050901064931-73b4b1138abc9cd2" name="bar" revision="mbp@foo-123123" />
 
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<directory file_id="foo-20050801201819-4139aa4a272f4250" name="subdir" revision="mbp@foo-00" />
 
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<file executable="yes" file_id="bar-20050824000535-6bc48cfad47ed134" name="bar" parent_id="foo-20050801201819-4139aa4a272f4250" revision="mbp@foo-00" />
 
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</inventory>
 
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"""
 
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_expected_inv_v5_root = """<inventory file_id="f&lt;" format="5" revision_id="mother!">
 
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<file file_id="bar-20050901064931-73b4b1138abc9cd2" name="bar" parent_id="f&lt;" revision="mbp@foo-123123" />
 
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<directory file_id="foo-20050801201819-4139aa4a272f4250" name="subdir" parent_id="f&lt;" revision="mbp@foo-00" />
 
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<file executable="yes" file_id="bar-20050824000535-6bc48cfad47ed134" name="bar" parent_id="foo-20050801201819-4139aa4a272f4250" revision="mbp@foo-00" />
 
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</inventory>
 
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"""
 
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class TestSerializer(TestCase):
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    """Test XML serialization"""
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    def test_canned_inventory(self):
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        eq(rev.parent_ids[0],
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           "mbp@sourcefrog.net-20050905063503-43948f59fa127d92")
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    def test_unpack_revision_5_utc(self):
 
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        inp = StringIO(_revision_v5_utc)
 
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        rev = bzrlib.xml5.serializer_v5.read_revision(inp)
 
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        eq = self.assertEqual
 
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        eq(rev.committer,
 
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           "Martin Pool <mbp@sourcefrog.net>")
 
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        eq(len(rev.parent_ids), 1)
 
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        eq(rev.timezone, 0)
 
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        eq(rev.parent_ids[0],
 
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           "mbp@sourcefrog.net-20050905063503-43948f59fa127d92")
 
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    def test_unpack_inventory_5(self):
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        """Unpack canned new-style inventory"""
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        inp = StringIO(_committed_inv_v5)
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        inv = bzrlib.xml5.serializer_v5.read_inventory(inp)
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        outp = StringIO()
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        bzrlib.xml5.serializer_v5.write_inventory(inv, outp)
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        inv2 = bzrlib.xml5.serializer_v5.read_inventory(StringIO(outp.getvalue()))
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        self.assertEqual(inv, inv2)
 
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        self.assertEqualDiff(_expected_inv_v5, outp.getvalue())
 
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        inv2 = bzrlib.xml5.serializer_v5.read_inventory(StringIO(outp.getvalue()))
 
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        self.assertEqual(inv, inv2)
 
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    def assertRoundTrips(self, xml_string):
 
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        inp = StringIO(xml_string)
 
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        inv = bzrlib.xml5.serializer_v5.read_inventory(inp)
 
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        outp = StringIO()
 
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        bzrlib.xml5.serializer_v5.write_inventory(inv, outp)
 
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        self.assertEqualDiff(xml_string, outp.getvalue())
 
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        inv2 = bzrlib.xml5.serializer_v5.read_inventory(StringIO(outp.getvalue()))
 
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        self.assertEqual(inv, inv2)
 
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    def tests_serialize_inventory_v5_with_root(self):
 
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        self.assertRoundTrips(_expected_inv_v5_root)
 
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    def check_repack_revision(self, txt):
 
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        """Check that repacking a revision yields the same information"""
 
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        inp = StringIO(txt)
 
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        rev = bzrlib.xml5.serializer_v5.read_revision(inp)
 
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        outp = StringIO()
 
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        bzrlib.xml5.serializer_v5.write_revision(rev, outp)
 
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        outfile_contents = outp.getvalue()
 
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        rev2 = bzrlib.xml5.serializer_v5.read_revision(StringIO(outfile_contents))
 
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        self.assertEqual(rev, rev2)
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    def test_repack_revision_5(self):
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        """Round-trip revision to XML v5"""
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        inp = StringIO(_revision_v5)
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        rev = bzrlib.xml5.serializer_v5.read_revision(inp)
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        outp = StringIO()
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        bzrlib.xml5.serializer_v5.write_revision(rev, outp)
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        outfile_contents = outp.getvalue()
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        rev2 = bzrlib.xml5.serializer_v5.read_revision(StringIO(outfile_contents))
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        self.assertEqual(rev, rev2)
 
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        self.check_repack_revision(_revision_v5)
 
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    def test_repack_revision_5_utc(self):
 
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        self.check_repack_revision(_revision_v5_utc)
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    def test_pack_revision_5(self):
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        """Pack revision to XML v5"""
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        outfile_contents = outp.getvalue()
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        self.assertEqual(outfile_contents[-1], '\n')
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        self.assertEqualDiff(outfile_contents, bzrlib.xml5.serializer_v5.write_revision_to_string(rev))
 
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        self.assertEqualDiff(outfile_contents, _expected_rev_v5)
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    def test_empty_property_value(self):
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        """Create an empty property value check that it serializes correctly"""