Mercurial > hg
view tests/test-context.py @ 45149:87047efbc6a6
debugcommands: create new debugantivirusrunning command
This writes the EICAR test file to .hg/cache, in an attempt to trigger
an AV scanner's scanning engine. This should let us (in theory) detect
some cases when a user's slowness is a result of AV scanning.
Differential Revision: https://phab.mercurial-scm.org/D8353
author | Augie Fackler <augie@google.com> |
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date | Wed, 01 Apr 2020 08:42:00 -0500 |
parents | 2372284d9457 |
children | 03ef0c8fa7d5 |
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from __future__ import absolute_import, print_function import os import stat import sys from mercurial.node import hex from mercurial import ( context, diffutil, encoding, hg, scmutil, ui as uimod, ) print_ = print def print(*args, **kwargs): """print() wrapper that flushes stdout buffers to avoid py3 buffer issues We could also just write directly to sys.stdout.buffer the way the ui object will, but this was easier for porting the test. """ print_(*args, **kwargs) sys.stdout.flush() def printb(data, end=b'\n'): out = getattr(sys.stdout, 'buffer', sys.stdout) out.write(data + end) out.flush() ui = uimod.ui.load() repo = hg.repository(ui, b'test1', create=1) os.chdir('test1') # create 'foo' with fixed time stamp f = open('foo', 'wb') f.write(b'foo\n') f.close() os.utime('foo', (1000, 1000)) # add+commit 'foo' repo[None].add([b'foo']) repo.commit(text=b'commit1', date=b"0 0") d = repo[None][b'foo'].date() if os.name == 'nt': d = d[:2] print("workingfilectx.date = (%d, %d)" % d) # test memctx with non-ASCII commit message def filectxfn(repo, memctx, path): return context.memfilectx(repo, memctx, b"foo", b"") ctx = context.memctx( repo, [b'tip', None], encoding.tolocal(b"Gr\xc3\xbcezi!"), [b"foo"], filectxfn, ) ctx.commit() for enc in "ASCII", "Latin-1", "UTF-8": encoding.encoding = enc printb(b"%-8s: %s" % (enc.encode('ascii'), repo[b"tip"].description())) # test performing a status def getfilectx(repo, memctx, f): fctx = memctx.p1()[f] data, flags = fctx.data(), fctx.flags() if f == b'foo': data += b'bar\n' return context.memfilectx( repo, memctx, f, data, b'l' in flags, b'x' in flags ) ctxa = repo[0] ctxb = context.memctx( repo, [ctxa.node(), None], b"test diff", [b"foo"], getfilectx, ctxa.user(), ctxa.date(), ) print(ctxb.status(ctxa)) # test performing a diff on a memctx diffopts = diffutil.diffallopts(repo.ui, {b'git': True}) for d in ctxb.diff(ctxa, opts=diffopts): printb(d, end=b'') # test safeness and correctness of "ctx.status()" print('= checking context.status():') # ancestor "wcctx ~ 2" actx2 = repo[b'.'] repo.wwrite(b'bar-m', b'bar-m\n', b'') repo.wwrite(b'bar-r', b'bar-r\n', b'') repo[None].add([b'bar-m', b'bar-r']) repo.commit(text=b'add bar-m, bar-r', date=b"0 0") # ancestor "wcctx ~ 1" actx1 = repo[b'.'] repo.wwrite(b'bar-m', b'bar-m bar-m\n', b'') repo.wwrite(b'bar-a', b'bar-a\n', b'') repo[None].add([b'bar-a']) repo[None].forget([b'bar-r']) # status at this point: # M bar-m # A bar-a # R bar-r # C foo from mercurial import scmutil print('== checking workingctx.status:') wctx = repo[None] print('wctx._status=%s' % (str(wctx._status))) print('=== with "pattern match":') print( actx1.status(other=wctx, match=scmutil.matchfiles(repo, [b'bar-m', b'foo'])) ) print('wctx._status=%s' % (str(wctx._status))) print( actx2.status(other=wctx, match=scmutil.matchfiles(repo, [b'bar-m', b'foo'])) ) print('wctx._status=%s' % (str(wctx._status))) print('=== with "always match" and "listclean=True":') print(actx1.status(other=wctx, listclean=True)) print('wctx._status=%s' % (str(wctx._status))) print(actx2.status(other=wctx, listclean=True)) print('wctx._status=%s' % (str(wctx._status))) print("== checking workingcommitctx.status:") wcctx = context.workingcommitctx( repo, scmutil.status([b'bar-m'], [b'bar-a'], [], [], [], [], []), text=b'', date=b'0 0', ) print('wcctx._status=%s' % (str(wcctx._status))) print('=== with "always match":') print(actx1.status(other=wcctx)) print('wcctx._status=%s' % (str(wcctx._status))) print(actx2.status(other=wcctx)) print('wcctx._status=%s' % (str(wcctx._status))) print('=== with "always match" and "listclean=True":') print(actx1.status(other=wcctx, listclean=True)) print('wcctx._status=%s' % (str(wcctx._status))) print(actx2.status(other=wcctx, listclean=True)) print('wcctx._status=%s' % (str(wcctx._status))) print('=== with "pattern match":') print( actx1.status( other=wcctx, match=scmutil.matchfiles(repo, [b'bar-m', b'foo']) ) ) print('wcctx._status=%s' % (str(wcctx._status))) print( actx2.status( other=wcctx, match=scmutil.matchfiles(repo, [b'bar-m', b'foo']) ) ) print('wcctx._status=%s' % (str(wcctx._status))) print('=== with "pattern match" and "listclean=True":') print( actx1.status( other=wcctx, match=scmutil.matchfiles(repo, [b'bar-r', b'foo']), listclean=True, ) ) print('wcctx._status=%s' % (str(wcctx._status))) print( actx2.status( other=wcctx, match=scmutil.matchfiles(repo, [b'bar-r', b'foo']), listclean=True, ) ) print('wcctx._status=%s' % (str(wcctx._status))) os.chdir('..') # test manifestlog being changed print('== commit with manifestlog invalidated') repo = hg.repository(ui, b'test2', create=1) os.chdir('test2') # make some commits for i in [b'1', b'2', b'3']: with open(i, 'wb') as f: f.write(i) status = scmutil.status([], [i], [], [], [], [], []) ctx = context.workingcommitctx( repo, status, text=i, user=b'test@test.com', date=(0, 0) ) ctx.p1().manifest() # side effect: cache manifestctx n = repo.commitctx(ctx) printb(b'commit %s: %s' % (i, hex(n))) # touch 00manifest.i mtime so storecache could expire. # repo.__dict__['manifestlog'] is deleted by transaction releasefn. st = repo.svfs.stat(b'00manifest.i') repo.svfs.utime( b'00manifest.i', (st[stat.ST_MTIME] + 1, st[stat.ST_MTIME] + 1) ) # read the file just committed try: if repo[n][i].data() != i: print('data mismatch') except Exception as ex: print('cannot read data: %r' % ex) with repo.wlock(), repo.lock(), repo.transaction(b'test'): with open(b'4', 'wb') as f: f.write(b'4') repo.dirstate.normal(b'4') repo.commit(b'4') revsbefore = len(repo.changelog) repo.invalidate(clearfilecache=True) revsafter = len(repo.changelog) if revsbefore != revsafter: print('changeset lost by repo.invalidate()')