tests/test-filelog.py
author Pierre-Yves David <pierre-yves.david@octobus.net>
Wed, 15 Jan 2020 15:47:40 +0100
changeset 44310 daad3aace942
parent 43076 2372284d9457
child 45830 c102b704edb5
permissions -rwxr-xr-x
nodemap: only use persistent nodemap for non-inlined revlog Revlog are inlined while they are small (to avoid having too many file to deal with). The persistent nodemap will only provides a significant boost for large enough revlog index. So it does not make sens to add an extra file to store nodemap for small revlog. We could consider inclining the nodemap data inside the revlog itself, but the benefit is unclear so let it be an adventure for another time. Differential Revision: https://phab.mercurial-scm.org/D7837
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#!/usr/bin/env python
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"""
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Tests the behavior of filelog w.r.t. data starting with '\1\n'
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"""
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from __future__ import absolute_import, print_function
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from mercurial.node import (
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    hex,
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    nullid,
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)
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from mercurial import (
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    hg,
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    ui as uimod,
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)
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myui = uimod.ui.load()
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repo = hg.repository(myui, path=b'.', create=True)
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fl = repo.file(b'foobar')
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def addrev(text, renamed=False):
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    if renamed:
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        # data doesn't matter. Just make sure filelog.renamed() returns True
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        meta = {b'copyrev': hex(nullid), b'copy': b'bar'}
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    else:
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        meta = {}
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    lock = t = None
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    try:
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        lock = repo.lock()
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        t = repo.transaction(b'commit')
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        node = fl.add(text, meta, t, 0, nullid, nullid)
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        return node
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    finally:
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        if t:
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            t.close()
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        if lock:
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            lock.release()
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def error(text):
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    print('ERROR: ' + text)
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textwith = b'\1\nfoo'
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without = b'foo'
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node = addrev(textwith)
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if not textwith == fl.read(node):
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    error('filelog.read for data starting with \\1\\n')
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if fl.cmp(node, textwith) or not fl.cmp(node, without):
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    error('filelog.cmp for data starting with \\1\\n')
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if fl.size(0) != len(textwith):
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    error(
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        'FIXME: This is a known failure of filelog.size for data starting '
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        'with \\1\\n'
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    )
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node = addrev(textwith, renamed=True)
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if not textwith == fl.read(node):
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    error('filelog.read for a renaming + data starting with \\1\\n')
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if fl.cmp(node, textwith) or not fl.cmp(node, without):
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    error('filelog.cmp for a renaming + data starting with \\1\\n')
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if fl.size(1) != len(textwith):
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    error('filelog.size for a renaming + data starting with \\1\\n')
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print('OK.')