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# -*- coding: utf-8 -*-
import unittest
import locale
import urwid
from urwid import util
from urwid.compat import B
class CalcWidthTest(unittest.TestCase):
def wtest(self, desc, s, exp):
s = B(s)
result = util.calc_width( s, 0, len(s))
assert result==exp, "%s got:%r expected:%r" % (desc, result, exp)
def test1(self):
util.set_encoding("utf-8")
self.wtest("narrow", "hello", 5)
self.wtest("wide char", '\xe6\x9b\xbf', 2)
self.wtest("invalid", '\xe6', 1)
self.wtest("zero width", '\xcc\x80', 0)
self.wtest("mixed", 'hello\xe6\x9b\xbf\xe6\x9b\xbf', 9)
def test2(self):
util.set_encoding("euc-jp")
self.wtest("narrow", "hello", 5)
self.wtest("wide", "\xA1\xA1\xA1\xA1", 4)
self.wtest("invalid", "\xA1", 1)
class ConvertDecSpecialTest(unittest.TestCase):
def ctest(self, desc, s, exp, expcs):
exp = B(exp)
util.set_encoding('ascii')
c = urwid.Text(s).render((5,))
result = c._text[0]
assert result==exp, "%s got:%r expected:%r" % (desc, result, exp)
resultcs = c._cs[0]
assert resultcs==expcs, "%s got:%r expected:%r" % (desc,
resultcs, expcs)
def test1(self):
self.ctest("no conversion", u"hello", "hello", [(None,5)])
self.ctest("only special", u"£££££", "}}}}}", [("0",5)])
self.ctest("mix left", u"££abc", "}}abc", [("0",2),(None,3)])
self.ctest("mix right", u"abc££", "abc}}", [(None,3),("0",2)])
self.ctest("mix inner", u"a££bc", "a}}bc",
[(None,1),("0",2),(None,2)] )
self.ctest("mix well", u"£a£b£", "}a}b}",
[("0",1),(None,1),("0",1),(None,1),("0",1)] )
class WithinDoubleByteTest(unittest.TestCase):
def setUp(self):
urwid.set_encoding("euc-jp")
def wtest(self, s, ls, pos, expected, desc):
result = util.within_double_byte(B(s), ls, pos)
assert result==expected, "%s got:%r expected: %r" % (desc,
result, expected)
def test1(self):
self.wtest("mnopqr",0,2,0,'simple no high bytes')
self.wtest("mn\xA1\xA1qr",0,2,1,'simple 1st half')
self.wtest("mn\xA1\xA1qr",0,3,2,'simple 2nd half')
self.wtest("m\xA1\xA1\xA1\xA1r",0,3,1,'subsequent 1st half')
self.wtest("m\xA1\xA1\xA1\xA1r",0,4,2,'subsequent 2nd half')
self.wtest("mn\xA1@qr",0,3,2,'simple 2nd half lo')
self.wtest("mn\xA1\xA1@r",0,4,0,'subsequent not 2nd half lo')
self.wtest("m\xA1\xA1\xA1@r",0,4,2,'subsequent 2nd half lo')
def test2(self):
self.wtest("\xA1\xA1qr",0,0,1,'begin 1st half')
self.wtest("\xA1\xA1qr",0,1,2,'begin 2nd half')
self.wtest("\xA1@qr",0,1,2,'begin 2nd half lo')
self.wtest("\xA1\xA1\xA1\xA1r",0,2,1,'begin subs. 1st half')
self.wtest("\xA1\xA1\xA1\xA1r",0,3,2,'begin subs. 2nd half')
self.wtest("\xA1\xA1\xA1@r",0,3,2,'begin subs. 2nd half lo')
self.wtest("\xA1@\xA1@r",0,3,2,'begin subs. 2nd half lo lo')
self.wtest("@\xA1\xA1@r",0,3,0,'begin subs. not 2nd half lo')
def test3(self):
self.wtest("abc \xA1\xA1qr",4,4,1,'newline 1st half')
self.wtest("abc \xA1\xA1qr",4,5,2,'newline 2nd half')
self.wtest("abc \xA1@qr",4,5,2,'newline 2nd half lo')
self.wtest("abc \xA1\xA1\xA1\xA1r",4,6,1,'newl subs. 1st half')
self.wtest("abc \xA1\xA1\xA1\xA1r",4,7,2,'newl subs. 2nd half')
self.wtest("abc \xA1\xA1\xA1@r",4,7,2,'newl subs. 2nd half lo')
self.wtest("abc \xA1@\xA1@r",4,7,2,'newl subs. 2nd half lo lo')
self.wtest("abc @\xA1\xA1@r",4,7,0,'newl subs. not 2nd half lo')
class CalcTextPosTest(unittest.TestCase):
def ctptest(self, text, tests):
text = B(text)
for s,e,p, expected in tests:
got = util.calc_text_pos( text, s, e, p )
assert got == expected, "%r got:%r expected:%r" % ((s,e,p),
got, expected)
def test1(self):
text = "hello world out there"
tests = [
(0,21,0, (0,0)),
(0,21,5, (5,5)),
(0,21,21, (21,21)),
(0,21,50, (21,21)),
(2,15,50, (15,13)),
(6,21,0, (6,0)),
(6,21,3, (9,3)),
]
self.ctptest(text, tests)
def test2_wide(self):
util.set_encoding("euc-jp")
text = "hel\xA1\xA1 world out there"
tests = [
(0,21,0, (0,0)),
(0,21,4, (3,3)),
(2,21,2, (3,1)),
(2,21,3, (5,3)),
(6,21,0, (6,0)),
]
self.ctptest(text, tests)
def test3_utf8(self):
util.set_encoding("utf-8")
text = "hel\xc4\x83 world \xe2\x81\x81 there"
tests = [
(0,21,0, (0,0)),
(0,21,4, (5,4)),
(2,21,1, (3,1)),
(2,21,2, (5,2)),
(2,21,3, (6,3)),
(6,21,7, (15,7)),
(6,21,8, (16,8)),
]
self.ctptest(text, tests)
def test4_utf8(self):
util.set_encoding("utf-8")
text = "he\xcc\x80llo \xe6\x9b\xbf world"
tests = [
(0,15,0, (0,0)),
(0,15,1, (1,1)),
(0,15,2, (4,2)),
(0,15,4, (6,4)),
(8,15,0, (8,0)),
(8,15,1, (8,0)),
(8,15,2, (11,2)),
(8,15,5, (14,5)),
]
self.ctptest(text, tests)
class TagMarkupTest(unittest.TestCase):
mytests = [
("simple one", "simple one", []),
(('blue',"john"), "john", [('blue',4)]),
(["a ","litt","le list"], "a little list", []),
(["mix",[" it",('high',[" up",('ital'," a")])]," little"],
"mix it up a little",
[(None, 6), ('high', 3), ('ital', 2)]),
([u"££", u"x££"], u"££x££", []),
([B("\xc2\x80"), B("\xc2\x80")], B("\xc2\x80\xc2\x80"), []),
]
def test(self):
for input, text, attr in self.mytests:
restext,resattr = urwid.decompose_tagmarkup( input )
assert restext == text, "got: %r expected: %r" % (restext, text)
assert resattr == attr, "got: %r expected: %r" % (resattr, attr)
def test_bad_tuple(self):
self.assertRaises(urwid.TagMarkupException, lambda:
urwid.decompose_tagmarkup((1,2,3)))
def test_bad_type(self):
self.assertRaises(urwid.TagMarkupException, lambda:
urwid.decompose_tagmarkup(5))
class RleTest(unittest.TestCase):
def test_rle_prepend(self):
rle0 = [('A', 10), ('B', 15)]
# the rle functions are mutating, so make a few copies of rle0
rle1, rle2 = rle0[:], rle0[:]
util.rle_prepend_modify(rle1, ('A', 3))
util.rle_prepend_modify(rle2, ('X', 2))
self.assertListEqual(rle1, [('A', 13), ('B', 15)])
self.assertListEqual(rle2, [('X', 2), ('A', 10), ('B', 15)])
def test_rle_append(self):
rle0 = [('A', 10), ('B', 15)]
rle3, rle4 = rle0[:], rle0[:]
util.rle_append_modify(rle3, ('B', 5))
util.rle_append_modify(rle4, ('K', 1))
self.assertListEqual(rle3, [('A', 10), ('B', 20)])
self.assertListEqual(rle4, [('A', 10), ('B', 15), ('K', 1)])
class PortabilityTest(unittest.TestCase):
def test_locale(self):
initial = locale.getlocale()
locale.setlocale(locale.LC_ALL, (None, None))
util.detect_encoding()
self.assertEqual(locale.getlocale(), (None, None))
locale.setlocale(locale.LC_ALL, ('en_US', 'UTF-8'))
util.detect_encoding()
self.assertEqual(locale.getlocale(), ('en_US', 'UTF-8'))
locale.setlocale(locale.LC_ALL, initial)
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