# This test verifies the conformance of various classes to various

# storage interfaces.

from __future__ import absolute_import

import silenttestrunner

from mercurial import (

    error,

    filelog,

    revlog,

    transaction,

    ui as uimod,

    vfs as vfsmod,

)

from mercurial.testing import (

    storage as storagetesting,

)

try:

    from mercurial import zstd

    zstd.__version__

except ImportError:

    zstd = None

STATE = {

    'lastindex': 0,

    'ui': uimod.ui(),

    'vfs': vfsmod.vfs(b'.', realpath=True),

}

def makefilefn(self):

    """Factory for filelog instances."""

    fl = filelog.filelog(STATE['vfs'], b'filelog-%d' % STATE['lastindex'])

    STATE['lastindex'] += 1

    return fl

def maketransaction(self):

    vfsmap = {b'plain': STATE['vfs'], b'store': STATE['vfs']}

    return transaction.transaction(STATE['ui'].warn, STATE['vfs'], vfsmap,

                                   b'journal', b'undo')

def addrawrevision(self, fl, tr, node, p1, p2, linkrev, rawtext=None,

                   delta=None, censored=False, ellipsis=False, extstored=False):

    flags = 0

    if censored:

        flags |= revlog.REVIDX_ISCENSORED

    if ellipsis:

        flags |= revlog.REVIDX_ELLIPSIS

    if extstored:

        flags |= revlog.REVIDX_EXTSTORED

    if rawtext is not None:

        fl._revlog.addrawrevision(rawtext, tr, linkrev, p1, p2, node, flags)

    elif delta is not None:

        fl._revlog.addrawrevision(rawtext, tr, linkrev, p1, p2, node, flags,

                                  cachedelta=delta)

    else:

        raise error.Abort('must supply rawtext or delta arguments')

    # We may insert bad data. Clear caches to prevent e.g. cache hits to

    # bypass hash verification.

    fl._revlog.clearcaches()

# Assigning module-level attributes that inherit from unittest.TestCase

# is all that is needed to register tests.

filelogindextests = storagetesting.makeifileindextests(makefilefn,

                                                       maketransaction,

                                                       addrawrevision)

filelogdatatests = storagetesting.makeifiledatatests(makefilefn,

                                                     maketransaction,

                                                     addrawrevision)

filelogmutationtests = storagetesting.makeifilemutationtests(makefilefn,

                                                             maketransaction,

                                                             addrawrevision)

def makesqlitefile(self):

    path = STATE['vfs'].join(b'db-%d.db' % STATE['lastindex'])

    STATE['lastindex'] += 1

    db = sqlitestore.makedb(path)

    compression = b'zstd' if zstd else b'zlib'

    return sqlitestore.sqlitefilestore(db, b'dummy-path', compression)

def addrawrevisionsqlite(self, fl, tr, node, p1, p2, linkrev, rawtext=None,

                         delta=None, censored=False, ellipsis=False,

                         extstored=False):

    flags = 0

    if censored:

        flags |= sqlitestore.FLAG_CENSORED

    if ellipsis | extstored:

        raise error.Abort(b'support for ellipsis and extstored flags not '

                          b'supported')

    if rawtext is not None:

        fl._addrawrevision(node, rawtext, tr, linkrev, p1, p2, flags=flags)

    elif delta is not None:

        fl._addrawrevision(node, rawtext, tr, linkrev, p1, p2,

                           storedelta=delta, flags=flags)

    else:

        raise error.Abort(b'must supply rawtext or delta arguments')

if __name__ == '__main__':

    silenttestrunner.main(__name__)