Mercurial > hg
view tests/test-remotefilelog-histpack.py @ 49779:7d6c8943353a stable
hg: show the correct message when cloning an LFS repo with extension disabled
The `extensions._disabledpaths()` doesn't handle fetching help from `__index__`,
so it returns an empty dictionary of paths. That means None is always returned
from `extensions.disabled_help()` when embedding resources inside the pyoxidizer
or py2exe binary, regardless of the arg or if is an external extension stored in
the filesystem. And that means wrongly telling the user with an explicitly
disabled LFS extension that it will be enabled locally upon cloning from an LFS
remote. That causes test-lfs-serve.t:295 to fail.
This effectively reverts most of the rest of 843418dc0b1b, while keeping the
help text change in place (which was specifically identified as a problem).
author | Matt Harbison <matt_harbison@yahoo.com> |
---|---|
date | Mon, 05 Dec 2022 15:14:33 -0500 |
parents | d44e3c45f0e4 |
children | 493034cc3265 |
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#!/usr/bin/env python import hashlib import os import random import shutil import stat import struct import sys import tempfile import unittest import silenttestrunner from mercurial.node import sha1nodeconstants from mercurial import ( pycompat, ui as uimod, ) # Load the local remotefilelog, not the system one sys.path[0:0] = [os.path.join(os.path.dirname(__file__), '..')] from hgext.remotefilelog import ( basepack, historypack, ) class histpacktests(unittest.TestCase): def setUp(self): self.tempdirs = [] def tearDown(self): for d in self.tempdirs: shutil.rmtree(d) def makeTempDir(self): tempdir = tempfile.mkdtemp() self.tempdirs.append(tempdir) return pycompat.fsencode(tempdir) def getHash(self, content): return hashlib.sha1(content).digest() def getFakeHash(self): return b''.join( pycompat.bytechr(random.randint(0, 255)) for _ in range(20) ) def createPack(self, revisions=None): """Creates and returns a historypack containing the specified revisions. `revisions` is a list of tuples, where each tuple contains a filanem, node, p1node, p2node, and linknode. """ if revisions is None: revisions = [ ( b"filename", self.getFakeHash(), sha1nodeconstants.nullid, sha1nodeconstants.nullid, self.getFakeHash(), None, ) ] packdir = pycompat.fsencode(self.makeTempDir()) packer = historypack.mutablehistorypack(uimod.ui(), packdir, version=2) for filename, node, p1, p2, linknode, copyfrom in revisions: packer.add(filename, node, p1, p2, linknode, copyfrom) path = packer.close() return historypack.historypack(path) def testAddSingle(self): """Test putting a single entry into a pack and reading it out.""" filename = b"foo" node = self.getFakeHash() p1 = self.getFakeHash() p2 = self.getFakeHash() linknode = self.getFakeHash() revisions = [(filename, node, p1, p2, linknode, None)] pack = self.createPack(revisions) actual = pack.getancestors(filename, node)[node] self.assertEqual(p1, actual[0]) self.assertEqual(p2, actual[1]) self.assertEqual(linknode, actual[2]) def testAddMultiple(self): """Test putting multiple unrelated revisions into a pack and reading them out. """ revisions = [] for i in range(10): filename = b"foo-%d" % i node = self.getFakeHash() p1 = self.getFakeHash() p2 = self.getFakeHash() linknode = self.getFakeHash() revisions.append((filename, node, p1, p2, linknode, None)) pack = self.createPack(revisions) for filename, node, p1, p2, linknode, copyfrom in revisions: actual = pack.getancestors(filename, node)[node] self.assertEqual(p1, actual[0]) self.assertEqual(p2, actual[1]) self.assertEqual(linknode, actual[2]) self.assertEqual(copyfrom, actual[3]) def testAddAncestorChain(self): """Test putting multiple revisions in into a pack and read the ancestor chain. """ revisions = [] filename = b"foo" lastnode = sha1nodeconstants.nullid for i in range(10): node = self.getFakeHash() revisions.append( ( filename, node, lastnode, sha1nodeconstants.nullid, sha1nodeconstants.nullid, None, ) ) lastnode = node # revisions must be added in topological order, newest first revisions = list(reversed(revisions)) pack = self.createPack(revisions) # Test that the chain has all the entries ancestors = pack.getancestors(revisions[0][0], revisions[0][1]) for filename, node, p1, p2, linknode, copyfrom in revisions: ap1, ap2, alinknode, acopyfrom = ancestors[node] self.assertEqual(ap1, p1) self.assertEqual(ap2, p2) self.assertEqual(alinknode, linknode) self.assertEqual(acopyfrom, copyfrom) def testPackMany(self): """Pack many related and unrelated ancestors.""" # Build a random pack file allentries = {} ancestorcounts = {} revisions = [] random.seed(0) for i in range(100): filename = b"filename-%d" % i entries = [] p2 = sha1nodeconstants.nullid linknode = sha1nodeconstants.nullid for j in range(random.randint(1, 100)): node = self.getFakeHash() p1 = sha1nodeconstants.nullid if len(entries) > 0: p1 = entries[random.randint(0, len(entries) - 1)] entries.append(node) revisions.append((filename, node, p1, p2, linknode, None)) allentries[(filename, node)] = (p1, p2, linknode) if p1 == sha1nodeconstants.nullid: ancestorcounts[(filename, node)] = 1 else: newcount = ancestorcounts[(filename, p1)] + 1 ancestorcounts[(filename, node)] = newcount # Must add file entries in reverse topological order revisions = list(reversed(revisions)) pack = self.createPack(revisions) # Verify the pack contents for (filename, node) in allentries: ancestors = pack.getancestors(filename, node) self.assertEqual(ancestorcounts[(filename, node)], len(ancestors)) for anode, (ap1, ap2, alinknode, copyfrom) in ancestors.items(): ep1, ep2, elinknode = allentries[(filename, anode)] self.assertEqual(ap1, ep1) self.assertEqual(ap2, ep2) self.assertEqual(alinknode, elinknode) self.assertEqual(copyfrom, None) def testGetNodeInfo(self): revisions = [] filename = b"foo" lastnode = sha1nodeconstants.nullid for i in range(10): node = self.getFakeHash() revisions.append( ( filename, node, lastnode, sha1nodeconstants.nullid, sha1nodeconstants.nullid, None, ) ) lastnode = node pack = self.createPack(revisions) # Test that getnodeinfo returns the expected results for filename, node, p1, p2, linknode, copyfrom in revisions: ap1, ap2, alinknode, acopyfrom = pack.getnodeinfo(filename, node) self.assertEqual(ap1, p1) self.assertEqual(ap2, p2) self.assertEqual(alinknode, linknode) self.assertEqual(acopyfrom, copyfrom) def testGetMissing(self): """Test the getmissing() api.""" revisions = [] filename = b"foo" for i in range(10): node = self.getFakeHash() p1 = self.getFakeHash() p2 = self.getFakeHash() linknode = self.getFakeHash() revisions.append((filename, node, p1, p2, linknode, None)) pack = self.createPack(revisions) missing = pack.getmissing([(filename, revisions[0][1])]) self.assertFalse(missing) missing = pack.getmissing( [(filename, revisions[0][1]), (filename, revisions[1][1])] ) self.assertFalse(missing) fakenode = self.getFakeHash() missing = pack.getmissing( [(filename, revisions[0][1]), (filename, fakenode)] ) self.assertEqual(missing, [(filename, fakenode)]) # Test getmissing on a non-existant filename missing = pack.getmissing([(b"bar", fakenode)]) self.assertEqual(missing, [(b"bar", fakenode)]) def testAddThrows(self): pack = self.createPack() try: pack.add( b'filename', sha1nodeconstants.nullid, sha1nodeconstants.nullid, sha1nodeconstants.nullid, sha1nodeconstants.nullid, None, ) self.assertTrue(False, "historypack.add should throw") except RuntimeError: pass def testBadVersionThrows(self): pack = self.createPack() path = pack.path + b'.histpack' with open(path, 'rb') as f: raw = f.read() raw = struct.pack('!B', 255) + raw[1:] os.chmod(path, os.stat(path).st_mode | stat.S_IWRITE) with open(path, 'wb+') as f: f.write(raw) try: historypack.historypack(pack.path) self.assertTrue(False, "bad version number should have thrown") except RuntimeError: pass def testLargePack(self): """Test creating and reading from a large pack with over X entries. This causes it to use a 2^16 fanout table instead.""" total = basepack.SMALLFANOUTCUTOFF + 1 revisions = [] for i in range(total): filename = b"foo-%d" % i node = self.getFakeHash() p1 = self.getFakeHash() p2 = self.getFakeHash() linknode = self.getFakeHash() revisions.append((filename, node, p1, p2, linknode, None)) pack = self.createPack(revisions) self.assertEqual(pack.params.fanoutprefix, basepack.LARGEFANOUTPREFIX) for filename, node, p1, p2, linknode, copyfrom in revisions: actual = pack.getancestors(filename, node)[node] self.assertEqual(p1, actual[0]) self.assertEqual(p2, actual[1]) self.assertEqual(linknode, actual[2]) self.assertEqual(copyfrom, actual[3]) # TODO: # histpack store: # - repack two packs into one if __name__ == '__main__': if pycompat.iswindows: sys.exit(80) # Skip on Windows silenttestrunner.main(__name__)