branchcache: add a "pure topological head" fast path
In a narrow but actually quick common case, all topological heads are all on
the same branch and all open. In this case, computing the branch map is very
simple. We can quickly detect situation where this situation will not change.
So we update the V3 format to be able to express this situation and upgrade the
update code to detect we remains in that mode.
The branch cache is populated with the actual value when the branch map is
accessed, but the update_disk method can do the update without needing to
populate it.
from mercurial import (
dispatch,
error,
pycompat,
ui as uimod,
)
from mercurial.utils import stringutil
testui = uimod.ui.load()
# disable the configuration registration warning
#
# the purpose of this test is to check the old behavior, not to validate the
# behavior from registered item. so we silent warning related to unregisted
# config.
testui.setconfig(b'devel', b'warn-config-unknown', False, b'test')
testui.setconfig(b'devel', b'all-warnings', False, b'test')
parsed = dispatch._parseconfig(
testui,
[
b'values.string=string value',
b'values.bool1=true',
b'values.bool2=false',
b'values.boolinvalid=foo',
b'values.int1=42',
b'values.int2=-42',
b'values.intinvalid=foo',
b'lists.list1=foo',
b'lists.list2=foo bar baz',
b'lists.list3=alice, bob',
b'lists.list4=foo bar baz alice, bob',
b'lists.list5=abc d"ef"g "hij def"',
b'lists.list6="hello world", "how are you?"',
b'lists.list7=Do"Not"Separate',
b'lists.list8="Do"Separate',
b'lists.list9="Do\\"NotSeparate"',
b'lists.list10=string "with extraneous" quotation mark"',
b'lists.list11=x, y',
b'lists.list12="x", "y"',
b'lists.list13=""" key = "x", "y" """',
b'lists.list14=,,,, ',
b'lists.list15=" just with starting quotation',
b'lists.list16="longer quotation" with "no ending quotation',
b'lists.list17=this is \\" "not a quotation mark"',
b'lists.list18=\n \n\nding\ndong',
b'date.epoch=0 0',
b'date.birth=2005-04-19T00:00:00',
b'date.invalid=0',
],
)
def pprint(obj):
return stringutil.pprint(obj).decode('ascii')
print(pprint(testui.configitems(b'values')))
print(pprint(testui.configitems(b'lists')))
print("---")
print(pprint(testui.config(b'values', b'string')))
print(pprint(testui.config(b'values', b'bool1')))
print(pprint(testui.config(b'values', b'bool2')))
print(pprint(testui.config(b'values', b'unknown')))
print("---")
try:
print(pprint(testui.configbool(b'values', b'string')))
except error.ConfigError as inst:
print(pprint(pycompat.bytestr(inst)))
print(pprint(testui.configbool(b'values', b'bool1')))
print(pprint(testui.configbool(b'values', b'bool2')))
print(pprint(testui.configbool(b'values', b'bool2', True)))
print(pprint(testui.configbool(b'values', b'unknown')))
print(pprint(testui.configbool(b'values', b'unknown', True)))
print("---")
print(pprint(testui.configint(b'values', b'int1')))
print(pprint(testui.configint(b'values', b'int2')))
print("---")
print(pprint(testui.configlist(b'lists', b'list1')))
print(pprint(testui.configlist(b'lists', b'list2')))
print(pprint(testui.configlist(b'lists', b'list3')))
print(pprint(testui.configlist(b'lists', b'list4')))
print(pprint(testui.configlist(b'lists', b'list4', [b'foo'])))
print(pprint(testui.configlist(b'lists', b'list5')))
print(pprint(testui.configlist(b'lists', b'list6')))
print(pprint(testui.configlist(b'lists', b'list7')))
print(pprint(testui.configlist(b'lists', b'list8')))
print(pprint(testui.configlist(b'lists', b'list9')))
print(pprint(testui.configlist(b'lists', b'list10')))
print(pprint(testui.configlist(b'lists', b'list11')))
print(pprint(testui.configlist(b'lists', b'list12')))
print(pprint(testui.configlist(b'lists', b'list13')))
print(pprint(testui.configlist(b'lists', b'list14')))
print(pprint(testui.configlist(b'lists', b'list15')))
print(pprint(testui.configlist(b'lists', b'list16')))
print(pprint(testui.configlist(b'lists', b'list17')))
print(pprint(testui.configlist(b'lists', b'list18')))
print(pprint(testui.configlist(b'lists', b'unknown')))
print(pprint(testui.configlist(b'lists', b'unknown', b'')))
print(pprint(testui.configlist(b'lists', b'unknown', b'foo')))
print(pprint(testui.configlist(b'lists', b'unknown', [b'foo'])))
print(pprint(testui.configlist(b'lists', b'unknown', b'foo bar')))
print(pprint(testui.configlist(b'lists', b'unknown', b'foo, bar')))
print(pprint(testui.configlist(b'lists', b'unknown', [b'foo bar'])))
print(pprint(testui.configlist(b'lists', b'unknown', [b'foo', b'bar'])))
print("---")
print(pprint(testui.configdate(b'date', b'epoch')))
print(pprint(testui.configdate(b'date', b'birth')))
print(pprint(testui.config(b'values', b'String')))
def function():
pass
# values that aren't strings should work
testui.setconfig(b'hook', b'commit', function)
print(function == testui.config(b'hook', b'commit'))
# invalid values
try:
testui.configbool(b'values', b'boolinvalid')
except error.ConfigError:
print('boolinvalid')
try:
testui.configint(b'values', b'intinvalid')
except error.ConfigError:
print('intinvalid')
try:
testui.configdate(b'date', b'invalid')
except error.ConfigError:
print('dateinvalid')