tests/test-ui-config.py

transactions: fix hg recover with fncache backups

The transaction backupfiles logic was broken for 'hg recover'.  The file format
is XXX\0XXX\0YYY\0YYY\0 but the parser did a couple things wrong. 1) It went one
step beyond the final \0 and tried to read past the end of the array. 2)
array[i:i+1] returns a single item, instead of two items as intended.

Added a test to catch it, which turns out to be the first actual 'hg recover'
test.

from mercurial import ui, dispatch, error

testui = ui.ui()
parsed = dispatch._parseconfig(testui, [
    'values.string=string value',
    'values.bool1=true',
    'values.bool2=false',
    'values.boolinvalid=foo',
    'values.int1=42',
    'values.int2=-42',
    'values.intinvalid=foo',
    'lists.list1=foo',
    'lists.list2=foo bar baz',
    'lists.list3=alice, bob',
    'lists.list4=foo bar baz alice, bob',
    'lists.list5=abc d"ef"g "hij def"',
    'lists.list6="hello world", "how are you?"',
    'lists.list7=Do"Not"Separate',
    'lists.list8="Do"Separate',
    'lists.list9="Do\\"NotSeparate"',
    'lists.list10=string "with extraneous" quotation mark"',
    'lists.list11=x, y',
    'lists.list12="x", "y"',
    'lists.list13=""" key = "x", "y" """',
    'lists.list14=,,,,     ',
    'lists.list15=" just with starting quotation',
    'lists.list16="longer quotation" with "no ending quotation',
    'lists.list17=this is \\" "not a quotation mark"',
    'lists.list18=\n \n\nding\ndong',
    ])

print repr(testui.configitems('values'))
print repr(testui.configitems('lists'))
print "---"
print repr(testui.config('values', 'string'))
print repr(testui.config('values', 'bool1'))
print repr(testui.config('values', 'bool2'))
print repr(testui.config('values', 'unknown'))
print "---"
try:
    print repr(testui.configbool('values', 'string'))
except error.ConfigError, inst:
    print inst
print repr(testui.configbool('values', 'bool1'))
print repr(testui.configbool('values', 'bool2'))
print repr(testui.configbool('values', 'bool2', True))
print repr(testui.configbool('values', 'unknown'))
print repr(testui.configbool('values', 'unknown', True))
print "---"
print repr(testui.configint('values', 'int1'))
print repr(testui.configint('values', 'int2'))
print "---"
print repr(testui.configlist('lists', 'list1'))
print repr(testui.configlist('lists', 'list2'))
print repr(testui.configlist('lists', 'list3'))
print repr(testui.configlist('lists', 'list4'))
print repr(testui.configlist('lists', 'list4', ['foo']))
print repr(testui.configlist('lists', 'list5'))
print repr(testui.configlist('lists', 'list6'))
print repr(testui.configlist('lists', 'list7'))
print repr(testui.configlist('lists', 'list8'))
print repr(testui.configlist('lists', 'list9'))
print repr(testui.configlist('lists', 'list10'))
print repr(testui.configlist('lists', 'list11'))
print repr(testui.configlist('lists', 'list12'))
print repr(testui.configlist('lists', 'list13'))
print repr(testui.configlist('lists', 'list14'))
print repr(testui.configlist('lists', 'list15'))
print repr(testui.configlist('lists', 'list16'))
print repr(testui.configlist('lists', 'list17'))
print repr(testui.configlist('lists', 'list18'))
print repr(testui.configlist('lists', 'unknown'))
print repr(testui.configlist('lists', 'unknown', ''))
print repr(testui.configlist('lists', 'unknown', 'foo'))
print repr(testui.configlist('lists', 'unknown', ['foo']))
print repr(testui.configlist('lists', 'unknown', 'foo bar'))
print repr(testui.configlist('lists', 'unknown', 'foo, bar'))
print repr(testui.configlist('lists', 'unknown', ['foo bar']))
print repr(testui.configlist('lists', 'unknown', ['foo', 'bar']))

print repr(testui.config('values', 'String'))

def function():
    pass

# values that aren't strings should work
testui.setconfig('hook', 'commit', function)
print function == testui.config('hook', 'commit')

# invalid values
try:
    testui.configbool('values', 'boolinvalid')
except error.ConfigError:
    print 'boolinvalid'
try:
    testui.configint('values', 'intinvalid')
except error.ConfigError:
    print 'intinvalid'