Mercurial > hg
view tests/test-wireproto-clientreactor.py @ 39594:bdb41eaa8b59
snapshot: fix line order when skipping over empty deltas
The code movement in 37957e07138c introduced an error.
Since 8f83a953dddf, we discarded some revisions because they are identical to
their delta base (and use that delta base instead). That logic is good,
however, in 37957e07138c we mixed up the order of two line, adding the "new"
revision to the set of already tested one, instead of the discarded one. So in
practice, we were never investigating any revisions in a chain starting with
an empty delta. Creating significantly worst delta chain (eg: Mercurial's
manifest move goes from about 60MB up to about 80MB).
author | Boris Feld <boris.feld@octobus.net> |
---|---|
date | Mon, 10 Sep 2018 10:11:21 +0200 |
parents | deff7cf7eefd |
children | 86b22a4cfab1 |
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line source
from __future__ import absolute_import import unittest from mercurial import ( error, wireprotoframing as framing, ) ffs = framing.makeframefromhumanstring def sendframe(reactor, frame): """Send a frame bytearray to a reactor.""" header = framing.parseheader(frame) payload = frame[framing.FRAME_HEADER_SIZE:] assert len(payload) == header.length return reactor.onframerecv(framing.frame(header.requestid, header.streamid, header.streamflags, header.typeid, header.flags, payload)) class SingleSendTests(unittest.TestCase): """A reactor that can only send once rejects subsequent sends.""" if not getattr(unittest.TestCase, 'assertRaisesRegex', False): # Python 3.7 deprecates the regex*p* version, but 2.7 lacks # the regex version. assertRaisesRegex = (# camelcase-required unittest.TestCase.assertRaisesRegexp) def testbasic(self): reactor = framing.clientreactor(hasmultiplesend=False, buffersends=True) request, action, meta = reactor.callcommand(b'foo', {}) self.assertEqual(request.state, b'pending') self.assertEqual(action, b'noop') action, meta = reactor.flushcommands() self.assertEqual(action, b'sendframes') for frame in meta[b'framegen']: self.assertEqual(request.state, b'sending') self.assertEqual(request.state, b'sent') with self.assertRaisesRegex(error.ProgrammingError, 'cannot issue new commands'): reactor.callcommand(b'foo', {}) with self.assertRaisesRegex(error.ProgrammingError, 'cannot issue new commands'): reactor.callcommand(b'foo', {}) class NoBufferTests(unittest.TestCase): """A reactor without send buffering sends requests immediately.""" def testbasic(self): reactor = framing.clientreactor(hasmultiplesend=True, buffersends=False) request, action, meta = reactor.callcommand(b'command1', {}) self.assertEqual(request.requestid, 1) self.assertEqual(action, b'sendframes') self.assertEqual(request.state, b'pending') for frame in meta[b'framegen']: self.assertEqual(request.state, b'sending') self.assertEqual(request.state, b'sent') action, meta = reactor.flushcommands() self.assertEqual(action, b'noop') # And we can send another command. request, action, meta = reactor.callcommand(b'command2', {}) self.assertEqual(request.requestid, 3) self.assertEqual(action, b'sendframes') for frame in meta[b'framegen']: self.assertEqual(request.state, b'sending') self.assertEqual(request.state, b'sent') class BadFrameRecvTests(unittest.TestCase): if not getattr(unittest.TestCase, 'assertRaisesRegex', False): # Python 3.7 deprecates the regex*p* version, but 2.7 lacks # the regex version. assertRaisesRegex = (# camelcase-required unittest.TestCase.assertRaisesRegexp) def testoddstream(self): reactor = framing.clientreactor() action, meta = sendframe(reactor, ffs(b'1 1 0 1 0 foo')) self.assertEqual(action, b'error') self.assertEqual(meta[b'message'], b'received frame with odd numbered stream ID: 1') def testunknownstream(self): reactor = framing.clientreactor() action, meta = sendframe(reactor, ffs(b'1 0 0 1 0 foo')) self.assertEqual(action, b'error') self.assertEqual(meta[b'message'], b'received frame on unknown stream without beginning ' b'of stream flag set') def testunhandledframetype(self): reactor = framing.clientreactor(buffersends=False) request, action, meta = reactor.callcommand(b'foo', {}) for frame in meta[b'framegen']: pass with self.assertRaisesRegex(error.ProgrammingError, 'unhandled frame type'): sendframe(reactor, ffs(b'1 0 stream-begin text-output 0 foo')) class StreamTests(unittest.TestCase): def testmultipleresponseframes(self): reactor = framing.clientreactor(buffersends=False) request, action, meta = reactor.callcommand(b'foo', {}) self.assertEqual(action, b'sendframes') for f in meta[b'framegen']: pass action, meta = sendframe( reactor, ffs(b'%d 0 stream-begin command-response 0 foo' % request.requestid)) self.assertEqual(action, b'responsedata') action, meta = sendframe( reactor, ffs(b'%d 0 0 command-response eos bar' % request.requestid)) self.assertEqual(action, b'responsedata') if __name__ == '__main__': import silenttestrunner silenttestrunner.main(__name__)