Mercurial > hg
view tests/test-fastannotate-revmap.py @ 51588:1574718fa62f
profiler: flush after writing the profiler output
Otherwise, the profiler output might only partially appears until the next flush
of the buffer. Since profiling often happens for long operation, the next flush
can be a long time away.
author | Pierre-Yves David <pierre-yves.david@octobus.net> |
---|---|
date | Sun, 14 Apr 2024 02:36:55 +0200 |
parents | 56f98406831b |
children |
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import os import tempfile from mercurial import ( pycompat, util, ) from hgext.fastannotate import error, revmap 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 range(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 range(1, 5): ensure(rm.append(genhsh(i), sidebranch=(i & 1), path=paths[i]) == i) ensure(rm.maxrev == 4) for i in range(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 range(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 range(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 range(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 range(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: 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 range(1, 5): ensure(rm.append(genhsh(i), sidebranch=(i & 1)) == i) for i in range(1, 5): ensure(((genhsh(i), None) in rm) == ((i & 1) == 0)) ensure((fakefctx(genhsh(i)) in rm) == ((i & 1) == 0)) for i in range(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 range(1, 5): ensure(rm.append(genhsh(i), path=(b'%d' % (i // 2))) == i) for i in range(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 range(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()