import unittest, string
from test import test_support, string_tests
from UserList import UserList

class StringTest(
 string_tests.CommonTest,
 string_tests.MixinStrStringUserStringTest
 ):

 type2test = str

 def checkequal(self, result, object, methodname, *args):
 realresult = getattr(string, methodname)(object, *args)
 self.assertEqual(
 result,
 realresult
 )

 def checkraises(self, exc, object, methodname, *args):
 self.assertRaises(
 exc,
 getattr(string, methodname),
 object,
 *args
 )

 def checkcall(self, object, methodname, *args):
 getattr(string, methodname)(object, *args)

 def test_join(self):
 # These are the same checks as in string_test.ObjectTest.test_join
 # but the argument order ist different
 self.checkequal('a b c d', ['a', 'b', 'c', 'd'], 'join', ' ')
 self.checkequal('abcd', ('a', 'b', 'c', 'd'), 'join', '')
 self.checkequal('w x y z', string_tests.Sequence(), 'join', ' ')
 self.checkequal('abc', ('abc',), 'join', 'a')
 self.checkequal('z', UserList(['z']), 'join', 'a')
 if test_support.have_unicode:
 self.checkequal(unicode('a.b.c'), ['a', 'b', 'c'], 'join', unicode('.'))
 self.checkequal(unicode('a.b.c'), [unicode('a'), 'b', 'c'], 'join', '.')
 self.checkequal(unicode('a.b.c'), ['a', unicode('b'), 'c'], 'join', '.')
 self.checkequal(unicode('a.b.c'), ['a', 'b', unicode('c')], 'join', '.')
 self.checkraises(TypeError, ['a', unicode('b'), 3], 'join', '.')
 for i in [5, 25, 125]:
 self.checkequal(
 ((('a' * i) + '-') * i)[:-1],
 ['a' * i] * i, 'join', '-')
 self.checkequal(
 ((('a' * i) + '-') * i)[:-1],
 ('a' * i,) * i, 'join', '-')

 self.checkraises(TypeError, string_tests.BadSeq1(), 'join', ' ')
 self.checkequal('a b c', string_tests.BadSeq2(), 'join', ' ')
 try:
 def f():
 yield 4 + ""
 self.fixtype(' ').join(f())
 except TypeError, e:
 if '+' not in str(e):
 self.fail('join() ate exception message')
 else:
 self.fail('exception not raised')




class ModuleTest(unittest.TestCase):

 def test_attrs(self):
 string.whitespace
 string.lowercase
 string.uppercase
 string.letters
 string.digits
 string.hexdigits
 string.octdigits
 string.punctuation
 string.printable

 def test_atoi(self):
 self.assertEqual(string.atoi(" 1 "), 1)
 self.assertRaises(ValueError, string.atoi, " 1x")
 self.assertRaises(ValueError, string.atoi, " x1 ")

 def test_atol(self):
 self.assertEqual(string.atol(" 1 "), 1L)
 self.assertRaises(ValueError, string.atol, " 1x ")
 self.assertRaises(ValueError, string.atol, " x1 ")

 def test_atof(self):
 self.assertAlmostEqual(string.atof(" 1 "), 1.0)
 self.assertRaises(ValueError, string.atof, " 1x ")
 self.assertRaises(ValueError, string.atof, " x1 ")

 def test_maketrans(self):
 transtable = '000円001円002円003円004円005円006円007円010円011円012円013円014円015円016円017円020円021円022円023円024円025円026円027円030円031円032円033円034円035円036円037円 !"#$%&\'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_`xyzdefghijklmnopqrstuvwxyz{|}~177円200円201円202円203円204円205円206円207円210円211円212円213円214円215円216円217円220円221円222円223円224円225円226円227円230円231円232円233円234円235円236円237円240円241円242円243円244円245円246円247円250円251円252円253円254円255円256円257円260円261円262円263円264円265円266円267円270円271円272円273円274円275円276円277円300円301円302円303円304円305円306円307円310円311円312円313円314円315円316円317円320円321円322円323円324円325円326円327円330円331円332円333円334円335円336円337円340円341円342円343円344円345円346円347円350円351円352円353円354円355円356円357円360円361円362円363円364円365円366円367円370円371円372円373円374円375円376円377円'

 self.assertEqual(string.maketrans('abc', 'xyz'), transtable)
 self.assertRaises(ValueError, string.maketrans, 'abc', 'xyzq')

 def test_capwords(self):
 self.assertEqual(string.capwords('abc def ghi'), 'Abc Def Ghi')
 self.assertEqual(string.capwords('abc\tdef\nghi'), 'Abc Def Ghi')
 self.assertEqual(string.capwords('abc\t def \nghi'), 'Abc Def Ghi')
 self.assertEqual(string.capwords('ABC DEF GHI'), 'Abc Def Ghi')
 self.assertEqual(string.capwords('ABC-DEF-GHI', '-'), 'Abc-Def-Ghi')
 self.assertEqual(string.capwords('ABC-def DEF-ghi GHI'), 'Abc-def Def-ghi Ghi')

 def test_formatter(self):
 fmt = string.Formatter()
 self.assertEqual(fmt.format("foo"), "foo")

 self.assertEqual(fmt.format("foo{0}", "bar"), "foobar")
 self.assertEqual(fmt.format("foo{1}{0}-{1}", "bar", 6), "foo6bar-6")
 self.assertEqual(fmt.format("-{arg!r}-", arg='test'), "-'test'-")

 # override get_value ############################################
 class NamespaceFormatter(string.Formatter):
 def __init__(self, namespace={}):
 string.Formatter.__init__(self)
 self.namespace = namespace

 def get_value(self, key, args, kwds):
 if isinstance(key, str):
 try:
 # Check explicitly passed arguments first
 return kwds[key]
 except KeyError:
 return self.namespace[key]
 else:
 string.Formatter.get_value(key, args, kwds)

 fmt = NamespaceFormatter({'greeting':'hello'})
 self.assertEqual(fmt.format("{greeting}, world!"), 'hello, world!')


 # override format_field #########################################
 class CallFormatter(string.Formatter):
 def format_field(self, value, format_spec):
 return format(value(), format_spec)

 fmt = CallFormatter()
 self.assertEqual(fmt.format('*{0}*', lambda : 'result'), '*result*')


 # override convert_field ########################################
 class XFormatter(string.Formatter):
 def convert_field(self, value, conversion):
 if conversion == 'x':
 return None
 return super(XFormatter, self).convert_field(value, conversion)

 fmt = XFormatter()
 self.assertEqual(fmt.format("{0!r}:{0!x}", 'foo', 'foo'), "'foo':None")


 # override parse ################################################
 class BarFormatter(string.Formatter):
 # returns an iterable that contains tuples of the form:
 # (literal_text, field_name, format_spec, conversion)
 def parse(self, format_string):
 for field in format_string.split('|'):
 if field[0] == '+':
 # it's markup
 field_name, _, format_spec = field[1:].partition(':')
 yield '', field_name, format_spec, None
 else:
 yield field, None, None, None

 fmt = BarFormatter()
 self.assertEqual(fmt.format('*|+0:^10s|*', 'foo'), '* foo *')

 # test all parameters used
 class CheckAllUsedFormatter(string.Formatter):
 def check_unused_args(self, used_args, args, kwargs):
 # Track which arguments actuallly got used
 unused_args = set(kwargs.keys())
 unused_args.update(range(0, len(args)))

 for arg in used_args:
 unused_args.remove(arg)

 if unused_args:
 raise ValueError("unused arguments")

 fmt = CheckAllUsedFormatter()
 self.assertEqual(fmt.format("{0}", 10), "10")
 self.assertEqual(fmt.format("{0}{i}", 10, i=100), "10100")
 self.assertEqual(fmt.format("{0}{i}{1}", 10, 20, i=100), "1010020")
 self.assertRaises(ValueError, fmt.format, "{0}{i}{1}", 10, 20, i=100, j=0)
 self.assertRaises(ValueError, fmt.format, "{0}", 10, 20)
 self.assertRaises(ValueError, fmt.format, "{0}", 10, 20, i=100)
 self.assertRaises(ValueError, fmt.format, "{i}", 10, 20, i=100)

 # Alternate formatting is not supported
 self.assertRaises(ValueError, format, '', '#')
 self.assertRaises(ValueError, format, '', '#20')

class BytesAliasTest(unittest.TestCase):

 def test_builtin(self):
 self.assert_(str is bytes)

 def test_syntax(self):
 self.assertEqual(b"spam", "spam")
 self.assertEqual(br"egg\foo", "egg\\foo")
 self.assert_(type(b""), str)
 self.assert_(type(br""), str)

def test_main():
 test_support.run_unittest(StringTest, ModuleTest, BytesAliasTest)

if __name__ == "__main__":
 test_main()