Mercurial > hg
view tests/test-fastannotate-revmap.py @ 46480:05dd091dfa6a
wireprotopeer: clarify some variable names now that we allow snake_case
"encargsorres" is hard to parse ("encarg sorres" sounds like it might
be Spanish to me, and indeed Google Translate tells me that it's
Catalan for "order sands"). Let's clarify with some added underscores
and longer names.
Differential Revision: https://phab.mercurial-scm.org/D9973
author | Martin von Zweigbergk <martinvonz@google.com> |
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date | Tue, 09 Feb 2021 09:37:39 -0800 |
parents | 9d2b2df2c2ba |
children | 6000f5b25c9b |
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from __future__ import absolute_import, print_function import os import tempfile from mercurial import ( pycompat, util, ) from hgext.fastannotate import error, revmap if pycompat.ispy3: xrange = range def genhsh(i): return pycompat.bytechr(i) + b'\0' * 19 def gettemppath(): fd, path = tempfile.mkstemp() os.close(fd) os.unlink(path) return path def ensure(condition): if not condition: raise RuntimeError('Unexpected') def testbasicreadwrite(): path = gettemppath() rm = revmap.revmap(path) ensure(rm.maxrev == 0) for i in xrange(5): ensure(rm.rev2hsh(i) is None) ensure(rm.hsh2rev(b'\0' * 20) is None) paths = [ b'', b'a', None, b'b', b'b', b'c', b'c', None, b'a', b'b', b'a', b'a', ] for i in xrange(1, 5): ensure(rm.append(genhsh(i), sidebranch=(i & 1), path=paths[i]) == i) ensure(rm.maxrev == 4) for i in xrange(1, 5): ensure(rm.hsh2rev(genhsh(i)) == i) ensure(rm.rev2hsh(i) == genhsh(i)) # re-load and verify rm.flush() rm = revmap.revmap(path) ensure(rm.maxrev == 4) for i in xrange(1, 5): ensure(rm.hsh2rev(genhsh(i)) == i) ensure(rm.rev2hsh(i) == genhsh(i)) ensure(bool(rm.rev2flag(i) & revmap.sidebranchflag) == bool(i & 1)) # append without calling save() explicitly for i in xrange(5, 12): ensure( rm.append(genhsh(i), sidebranch=(i & 1), path=paths[i], flush=True) == i ) # re-load and verify rm = revmap.revmap(path) ensure(rm.maxrev == 11) for i in xrange(1, 12): ensure(rm.hsh2rev(genhsh(i)) == i) ensure(rm.rev2hsh(i) == genhsh(i)) ensure(rm.rev2path(i) == paths[i] or paths[i - 1]) ensure(bool(rm.rev2flag(i) & revmap.sidebranchflag) == bool(i & 1)) os.unlink(path) # missing keys ensure(rm.rev2hsh(12) is None) ensure(rm.rev2hsh(0) is None) ensure(rm.rev2hsh(-1) is None) ensure(rm.rev2flag(12) is None) ensure(rm.rev2path(12) is None) ensure(rm.hsh2rev(b'\1' * 20) is None) # illformed hash (not 20 bytes) try: rm.append(b'\0') ensure(False) except Exception: pass def testcorruptformat(): path = gettemppath() # incorrect header with open(path, 'wb') as f: f.write(b'NOT A VALID HEADER') try: revmap.revmap(path) ensure(False) except error.CorruptedFileError: pass # rewrite the file os.unlink(path) rm = revmap.revmap(path) rm.append(genhsh(0), flush=True) rm = revmap.revmap(path) ensure(rm.maxrev == 1) # corrupt the file by appending a byte size = os.stat(path).st_size with open(path, 'ab') as f: f.write(b'\xff') try: revmap.revmap(path) ensure(False) except error.CorruptedFileError: pass # corrupt the file by removing the last byte ensure(size > 0) with open(path, 'wb') as f: f.truncate(size - 1) try: revmap.revmap(path) ensure(False) except error.CorruptedFileError: pass os.unlink(path) def testcopyfrom(): path = gettemppath() rm = revmap.revmap(path) for i in xrange(1, 10): ensure( rm.append(genhsh(i), sidebranch=(i & 1), path=(b'%d' % (i // 3))) == i ) rm.flush() # copy rm to rm2 rm2 = revmap.revmap() rm2.copyfrom(rm) path2 = gettemppath() rm2.path = path2 rm2.flush() # two files should be the same ensure(len({util.readfile(p) for p in [path, path2]}) == 1) os.unlink(path) os.unlink(path2) class fakefctx(object): def __init__(self, node, path=None): self._node = node self._path = path def node(self): return self._node def path(self): return self._path def testcontains(): path = gettemppath() rm = revmap.revmap(path) for i in xrange(1, 5): ensure(rm.append(genhsh(i), sidebranch=(i & 1)) == i) for i in xrange(1, 5): ensure(((genhsh(i), None) in rm) == ((i & 1) == 0)) ensure((fakefctx(genhsh(i)) in rm) == ((i & 1) == 0)) for i in xrange(5, 10): ensure(fakefctx(genhsh(i)) not in rm) ensure((genhsh(i), None) not in rm) # "contains" checks paths rm = revmap.revmap() for i in xrange(1, 5): ensure(rm.append(genhsh(i), path=(b'%d' % (i // 2))) == i) for i in xrange(1, 5): ensure(fakefctx(genhsh(i), path=(b'%d' % (i // 2))) in rm) ensure(fakefctx(genhsh(i), path=b'a') not in rm) def testlastnode(): path = gettemppath() ensure(revmap.getlastnode(path) is None) rm = revmap.revmap(path) ensure(revmap.getlastnode(path) is None) for i in xrange(1, 10): hsh = genhsh(i) rm.append(hsh, path=(b'%d' % (i // 2)), flush=True) ensure(revmap.getlastnode(path) == hsh) rm2 = revmap.revmap(path) ensure(rm2.rev2hsh(rm2.maxrev) == hsh) testbasicreadwrite() testcorruptformat() testcopyfrom() testcontains() testlastnode()