Mercurial > hg
view tests/test-fastannotate-revmap.py @ 39267:88c5a3ef54b1
filemerge: avoid putting translated text into docstring
This is follow up of my mistake in e09fad982ef5.
There is no merge tool, which has only one of binary or symlink
capabilities, but this patch lists up all combinations of them for
safety in the future. Maybe, it is too paranoid, though.
author | FUJIWARA Katsunori <foozy@lares.dti.ne.jp> |
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date | Wed, 22 Aug 2018 14:08:27 +0900 |
parents | 659f010ffa7e |
children | aa95fd0257df |
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from __future__ import absolute_import, print_function import os import tempfile from mercurial import util from hgext.fastannotate import error, revmap def genhsh(i): return chr(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 = ['', 'a', None, 'b', 'b', 'c', 'c', None, 'a', 'b', 'a', '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, 'w') 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, 'a') as f: f.write('\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, 'w') 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=str(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(set(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=str(i // 2)) == i) for i in xrange(1, 5): ensure(fakefctx(genhsh(i), path=str(i // 2)) in rm) ensure(fakefctx(genhsh(i), path='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=str(i // 2), flush=True) ensure(revmap.getlastnode(path) == hsh) rm2 = revmap.revmap(path) ensure(rm2.rev2hsh(rm2.maxrev) == hsh) testbasicreadwrite() testcorruptformat() testcopyfrom() testcontains() testlastnode()