tests/test-storage.py
author Martin von Zweigbergk <martinvonz@google.com>
Wed, 02 Dec 2020 15:39:01 -0800
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child 48875 6000f5b25c9b
permissions -rw-r--r--
rebase: clear merge state when aborting in-memory merge on dirty working copy Differential Revision: https://phab.mercurial-scm.org/D9509
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# This test verifies the conformance of various classes to various
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# storage interfaces.
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from __future__ import absolute_import
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import silenttestrunner
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from mercurial import (
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    error,
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    filelog,
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    revlog,
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    transaction,
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    ui as uimod,
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    vfs as vfsmod,
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)
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from mercurial.testing import storage as storagetesting
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try:
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    from hgext import sqlitestore
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except ImportError:
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    sqlitestore = None
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try:
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    import sqlite3
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    if sqlite3.sqlite_version_info < (3, 8, 3):
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        # WITH clause not supported
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        sqlitestore = None
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except ImportError:
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    pass
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try:
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    from mercurial import zstd
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    zstd.__version__
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except ImportError:
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    zstd = None
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STATE = {
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    'lastindex': 0,
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    'ui': uimod.ui(),
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    'vfs': vfsmod.vfs(b'.', realpath=True),
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}
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def makefilefn(self):
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    """Factory for filelog instances."""
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    fl = filelog.filelog(STATE['vfs'], b'filelog-%d' % STATE['lastindex'])
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    STATE['lastindex'] += 1
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    return fl
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def maketransaction(self):
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    vfsmap = {b'plain': STATE['vfs'], b'store': STATE['vfs']}
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    return transaction.transaction(
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        STATE['ui'].warn, STATE['vfs'], vfsmap, b'journal', b'undo'
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    )
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def addrawrevision(
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    self,
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    fl,
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    tr,
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    node,
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    p1,
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    p2,
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    linkrev,
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    rawtext=None,
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    delta=None,
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    censored=False,
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    ellipsis=False,
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    extstored=False,
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):
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    flags = 0
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    if censored:
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        flags |= revlog.REVIDX_ISCENSORED
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    if ellipsis:
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        flags |= revlog.REVIDX_ELLIPSIS
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    if extstored:
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        flags |= revlog.REVIDX_EXTSTORED
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    if rawtext is not None:
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        fl._revlog.addrawrevision(rawtext, tr, linkrev, p1, p2, node, flags)
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    elif delta is not None:
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        fl._revlog.addrawrevision(
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            rawtext, tr, linkrev, p1, p2, node, flags, cachedelta=delta
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        )
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    else:
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        raise error.Abort('must supply rawtext or delta arguments')
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    # We may insert bad data. Clear caches to prevent e.g. cache hits to
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    # bypass hash verification.
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    fl._revlog.clearcaches()
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# Assigning module-level attributes that inherit from unittest.TestCase
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# is all that is needed to register tests.
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filelogindextests = storagetesting.makeifileindextests(
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    makefilefn, maketransaction, addrawrevision
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)
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filelogdatatests = storagetesting.makeifiledatatests(
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    makefilefn, maketransaction, addrawrevision
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)
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filelogmutationtests = storagetesting.makeifilemutationtests(
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    makefilefn, maketransaction, addrawrevision
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)
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def makesqlitefile(self):
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    path = STATE['vfs'].join(b'db-%d.db' % STATE['lastindex'])
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    STATE['lastindex'] += 1
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    db = sqlitestore.makedb(path)
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    compression = b'zstd' if zstd else b'zlib'
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    return sqlitestore.sqlitefilestore(db, b'dummy-path', compression)
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def addrawrevisionsqlite(
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    self,
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    fl,
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    tr,
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    node,
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    p1,
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    p2,
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    linkrev,
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    rawtext=None,
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    delta=None,
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    censored=False,
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    ellipsis=False,
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    extstored=False,
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):
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    flags = 0
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    if censored:
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        flags |= sqlitestore.FLAG_CENSORED
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    if ellipsis | extstored:
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        raise error.Abort(
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            b'support for ellipsis and extstored flags not ' b'supported'
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        )
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    if rawtext is not None:
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        fl._addrawrevision(node, rawtext, tr, linkrev, p1, p2, flags=flags)
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    elif delta is not None:
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        fl._addrawrevision(
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            node, rawtext, tr, linkrev, p1, p2, storedelta=delta, flags=flags
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        )
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    else:
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        raise error.Abort(b'must supply rawtext or delta arguments')
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if sqlitestore is not None:
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    sqlitefileindextests = storagetesting.makeifileindextests(
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        makesqlitefile, maketransaction, addrawrevisionsqlite
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    )
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    sqlitefiledatatests = storagetesting.makeifiledatatests(
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        makesqlitefile, maketransaction, addrawrevisionsqlite
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    )
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    sqlitefilemutationtests = storagetesting.makeifilemutationtests(
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        makesqlitefile, maketransaction, addrawrevisionsqlite
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    )
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if __name__ == '__main__':
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    silenttestrunner.main(__name__)