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import os
import tempfile
from git.objects import IndexObject
from git.refs import RefLogEntry, RefLog
from test.lib import TestBase, fixture_path
from git.util import Actor, rmtree, hex_to_bin
import os.path as osp
class TestRefLog(TestBase):
def test_reflogentry(self):
nullhexsha = IndexObject.NULL_HEX_SHA
hexsha = "F" * 40
actor = Actor("name", "email")
msg = "message"
self.assertRaises(
ValueError, RefLogEntry.new, nullhexsha, hexsha, "noactor", 0, 0, ""
)
e = RefLogEntry.new(nullhexsha, hexsha, actor, 0, 1, msg)
assert e.oldhexsha == nullhexsha
assert e.newhexsha == hexsha
assert e.actor == actor
assert e.time[0] == 0
assert e.time[1] == 1
assert e.message == msg
# check representation (roughly)
assert repr(e).startswith(nullhexsha)
def test_base(self):
rlp_head = fixture_path("reflog_HEAD")
rlp_master = fixture_path("reflog_master")
tdir = tempfile.mktemp(suffix="test_reflogs")
os.mkdir(tdir)
rlp_master_ro = RefLog.path(self.rorepo.head)
assert osp.isfile(rlp_master_ro)
# simple read
reflog = RefLog.from_file(rlp_master_ro)
assert reflog._path is not None
assert isinstance(reflog, RefLog)
assert len(reflog)
# iter_entries works with path and with stream
assert len(list(RefLog.iter_entries(open(rlp_master, "rb"))))
assert len(list(RefLog.iter_entries(rlp_master)))
# raise on invalid revlog
# TODO: Try multiple corrupted ones !
pp = "reflog_invalid_"
for suffix in ("oldsha", "newsha", "email", "date", "sep"):
self.assertRaises(ValueError, RefLog.from_file, fixture_path(pp + suffix))
# END for each invalid file
# cannot write an uninitialized reflog
self.assertRaises(ValueError, RefLog().write)
# test serialize and deserialize - results must match exactly
binsha = hex_to_bin(("f" * 40).encode("ascii"))
msg = "my reflog message"
cr = self.rorepo.config_reader()
for rlp in (rlp_head, rlp_master):
reflog = RefLog.from_file(rlp)
tfile = osp.join(tdir, osp.basename(rlp))
reflog.to_file(tfile)
assert reflog.write() is reflog
# parsed result must match ...
treflog = RefLog.from_file(tfile)
assert treflog == reflog
# ... as well as each bytes of the written stream
assert open(tfile).read() == open(rlp).read()
# append an entry
entry = RefLog.append_entry(
cr, tfile, IndexObject.NULL_BIN_SHA, binsha, msg
)
assert entry.oldhexsha == IndexObject.NULL_HEX_SHA
assert entry.newhexsha == "f" * 40
assert entry.message == msg
assert RefLog.from_file(tfile)[-1] == entry
# index entry
# raises on invalid index
self.assertRaises(IndexError, RefLog.entry_at, rlp, 10000)
# indices can be positive ...
assert isinstance(RefLog.entry_at(rlp, 0), RefLogEntry)
RefLog.entry_at(rlp, 23)
# ... and negative
for idx in (-1, -24):
RefLog.entry_at(rlp, idx)
# END for each index to read
# END for each reflog
# finally remove our temporary data
rmtree(tdir)
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