mercurial/testing/revlog.py
author Georges Racinet <georges.racinet@octobus.net>
Sun, 29 Oct 2023 23:54:05 +0100
changeset 51253 96e05f1a99bd
parent 51244 03fdd4d7b5bd
child 51254 f94c10334bcb
permissions -rw-r--r--
rust-index: stop instantiating a C Index The only missing piece was the `cache` to be returned from `revlog.parse_index_v1_mixed`, and it really seems that it is essentially repetition of the input, if `inline` is `True`. Not worth a Rust implementation (C implementation is probably there for historical reasons).
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import unittest
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# picked from test-parse-index2, copied rather than imported
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# so that it stays stable even if test-parse-index2 changes or disappears.
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data_non_inlined = (
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    b'\x00\x00\x00\x01\x00\x00\x00\x00\x00\x01D\x19'
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    b'\x00\x07e\x12\x00\x00\x00\x00\x00\x00\x00\x00\xff\xff\xff\xff'
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    b'\xff\xff\xff\xff\xd1\xf4\xbb\xb0\xbe\xfc\x13\xbd\x8c\xd3\x9d'
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    b'\x0f\xcd\xd9;\x8c\x07\x8cJ/\x00\x00\x00\x00\x00\x00\x00\x00\x00'
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    b'\x00\x00\x00\x00\x00\x00\x01D\x19\x00\x00\x00\x00\x00\xdf\x00'
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    b'\x00\x01q\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x00\xff'
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    b'\xff\xff\xff\xc1\x12\xb9\x04\x96\xa4Z1t\x91\xdfsJ\x90\xf0\x9bh'
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    b'\x07l&\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'
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    b'\x00\x01D\xf8\x00\x00\x00\x00\x01\x1b\x00\x00\x01\xb8\x00\x00'
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    b'\x00\x01\x00\x00\x00\x02\x00\x00\x00\x01\xff\xff\xff\xff\x02\n'
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    b'\x0e\xc6&\xa1\x92\xae6\x0b\x02i\xfe-\xe5\xbao\x05\xd1\xe7\x00'
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    b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01F'
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    b'\x13\x00\x00\x00\x00\x01\xec\x00\x00\x03\x06\x00\x00\x00\x01'
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    b'\x00\x00\x00\x03\x00\x00\x00\x02\xff\xff\xff\xff\x12\xcb\xeby1'
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    b'\xb6\r\x98B\xcb\x07\xbd`\x8f\x92\xd9\xc4\x84\xbdK\x00\x00\x00'
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    b'\x00\x00\x00\x00\x00\x00\x00\x00\x00'
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)
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from ..revlogutils.constants import REVLOGV1
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try:
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    from ..cext import parsers as cparsers  # pytype: disable=import-error
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except ImportError:
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    cparsers = None
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try:
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    from ..rustext.revlog import MixedIndex  # pytype: disable=import-error
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except ImportError:
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    MixedIndex = None
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@unittest.skipIf(
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    cparsers is None,
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    'The C version of the "parsers" module is not available. It is needed for this test.',
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)
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class RevlogBasedTestBase(unittest.TestCase):
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    def parseindex(self, data=None):
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        if data is None:
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            data = data_non_inlined
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        return cparsers.parse_index2(data, False)[0]
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@unittest.skipIf(
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    MixedIndex is None,
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    'The Rust index is not available. It is needed for this test.',
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)
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class RustRevlogBasedTestBase(unittest.TestCase):
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    def parserustindex(self, data=None):
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        if data is None:
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            data = data_non_inlined
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        # not inheriting RevlogBasedTestCase to avoid having a
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        # `parseindex` method that would be shadowed by future subclasses
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        # this duplication will soon be removed
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        return MixedIndex(data, REVLOGV1)