Package cssutils :: Package tests :: Module test_selector |
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# Source Code for Module cssutils.tests.test_selector

      1  """Testcases for cssutils.css.selector.Selector.
      2
      3  what should happen here?
      4      - star 7 hack::
      5          x*
      6          does not validate but works in IE>5 and FF, does it???
      7
      8  """
      9  __version__ = '$Id: test_selector.py 1116 2008-03-05 13:52:23Z cthedot $'
     10
     11  import xml.dom
     12  import basetest
     13  import cssutils
     14
     15 -class SelectorTestCase(basetest.BaseTestCase):
     16
     17 -    def setUp(self):
     18          self.r = cssutils.css.Selector('*')
     19
     20 -    def test_init(self):
     21          "Selector.__init__()"
     22          s = cssutils.css.Selector('*')
     23          self.assertEqual((None, '*'), s.element)
     24          self.assertEqual({}, s._namespaces.namespaces)
     25          self.assertEqual(None, s.parentList)
     26          self.assertEqual('*', s.selectorText)
     27          self.assertEqual((0,0,0,0), s.specificity)
     28          self.assertEqual(True, s.wellformed)
     29
     30          s = cssutils.css.Selector(('p|b', {'p': 'URI'}) )
     31          self.assertEqual(('URI', 'b'), s.element)
     32          self.assertEqual({'p': 'URI'}, s._namespaces.namespaces)
     33          self.assertEqual(None, s.parentList)
     34          self.assertEqual('p|b', s.selectorText)
     35          self.assertEqual((0,0,0,1), s.specificity)
     36          self.assertEqual(True, s.wellformed)
     37
     38          self.assertRaisesEx(xml.dom.NamespaceErr, cssutils.css.Selector, 'p|b')
     39
     40 -    def test_element(self):
     41          "Selector.element (TODO: RESOLVE)"
     42          tests = {
     43              '*': (None, '*'),
     44              'x': (None, 'x'),
     45              '\\x': (None, '\\x'),
     46              '|x': (u'', 'x'),
     47              '*|x': (cssutils._ANYNS, 'x'),
     48              'ex|x': (u'example', 'x'),
     49              'a x': (None, 'x'),
     50              'a+x': (None, 'x'),
     51              'a>x': (None, 'x'),
     52              'a~x': (None, 'x'),
     53              'a+b~c x': (None, 'x'),
     54              'x[href]': (None, 'x'),
     55              'x[href="123"]': (None, 'x'),
     56              'x:hover': (None, 'x'),
     57              'x:first-letter': (None, 'x'), # TODO: Really?
     58              'x::first-line': (None, 'x'), # TODO: Really?
     59              'x:not(href)': (None, 'x'), # TODO: Really?
     60
     61              '#id': None,
     62              '.c': None,
     63              'x#id': (None, 'x'),
     64              'x.c': (None, 'x')
     65          }
     66          for test, ele in tests.items():
     67              s = cssutils.css.Selector((test,{'ex': 'example'}))
     68              self.assertEqual(ele, s.element)
     69
     70 -    def test_namespaces(self):
     71          "Selector.namespaces"
     72          namespaces = [
     73              {'p': 'other'}, # no default
     74              {'': 'default', 'p': 'other'}, # with default
     75              {'': 'default', 'p': 'default' } # same default
     76              ]
     77          tests = {
     78              # selector: with default, no default, same default
     79              '*': ('*', '*', '*'),
     80              'x': ('x', 'x', 'x'),
     81              '|*': ('|*', '|*', '|*'),
     82              '|x': ('|x', '|x', '|x'),
     83              '*|*': ('*|*', '*|*', '*|*'),
     84              '*|x': ('*|x', '*|x', '*|x'),
     85              'p|*': ('p|*', 'p|*', '*'),
     86              'p|x': ('p|x', 'p|x', 'x'),
     87              'x[a][|a][*|a][p|a]': ('x[a][a][*|a][p|a]',
     88                                     'x[a][a][*|a][p|a]',
     89                                     'x[a][a][*|a][a]')
     90          }
     91          for sel, exp in tests.items():
     92              for i, result in enumerate(exp):
     93                  s = cssutils.css.Selector((sel, namespaces[i]))
     94                  self.assertEqual(result, s.selectorText)
     95
     96          # add to CSSStyleSheet
     97          sheet = cssutils.css.CSSStyleSheet()
     98          sheet.cssText = '@namespace p "u"; a { color: green }'
     99
    100          r = sheet.cssRules[1]
    101
    102          self.assertEqual(r.selectorText, u'a')
    103
    104          # add default namespace
    105          sheet.namespaces[''] = 'a';
    106          self.assertEqual(r.selectorText, u'|a')
    107
    108          del sheet.namespaces[''];
    109          self.assertEqual(r.selectorText, u'a')
    110
    111  #        r.selectorList.append('a')
    112  #        self.assertEqual(r.selectorText, u'|a, a')
    113  #        r.selectorList.append('*|a')
    114  #        self.assertEqual(r.selectorText, u'|a, a, *|a')
    115
    116 -    def test_default_namespace(self):
    117          "Selector.namespaces default"
    118          css = '''@namespace "default";
    119                  a[att] { color:green; }
    120          '''
    121          sheet = cssutils.css.CSSStyleSheet()
    122          sheet.cssText = css
    123          self.assertEqual(sheet.cssText,
    124                           u'@namespace "default";\na[att] {\n    color: green\n    }')
    125          # use a prefix for default namespace, does not goes for atts!
    126          sheet.namespaces['p'] = 'default'
    127          self.assertEqual(sheet.cssText,
    128                           u'@namespace p "default";\np|a[att] {\n    color: green\n    }')
    129
    130 -    def test_parentList(self):
    131          "Selector.parentList"
    132          sl = cssutils.css.SelectorList('a, b')
    133          for sel in sl:
    134              self.assertEqual(sl, sel.parentList)
    135
    136          newsel = cssutils.css.Selector('x')
    137          sl.append(newsel)
    138          self.assertEqual(sl, newsel.parentList)
    139
    140          newsel = cssutils.css.Selector('y')
    141          sl.appendSelector(newsel)
    142          self.assertEqual(sl, newsel.parentList)
    143
    144 -    def test_selectorText(self):
    145          "Selector.selectorText"
    146          tests = {
    147              # combinators
    148              u'a+b>c~e f': u'a + b > c ~ e f',
    149              u'a  +  b  >  c  ~  e   f': u'a + b > c ~ e f',
    150              u'a+b': u'a + b',
    151              u'a  +  b': 'a + b',
    152              u'a\n  +\t  b': 'a + b',
    153              u'a~b': u'a ~ b',
    154              u'a b': None,
    155              u'a   b': 'a b',
    156              u'a\nb': 'a b',
    157              u'a\tb': 'a b',
    158              u'a   #b': 'a #b',
    159              u'a   .b': 'a .b',
    160              u'a * b': None,
    161              # >
    162              u'a>b': u'a > b',
    163              u'a> b': 'a > b',
    164              u'a >b': 'a > b',
    165              u'a > b': 'a > b',
    166              # +
    167              u'a+b': u'a + b',
    168              u'a+ b': 'a + b',
    169              u'a +b': 'a + b',
    170              u'a + b': 'a + b',
    171              # ~
    172              u'a~b': u'a ~ b',
    173              u'a~ b': 'a ~ b',
    174              u'a ~b': 'a ~ b',
    175              u'a ~ b': 'a ~ b',
    176
    177              # type selector
    178              u'a': None,
    179              u'h1-a_x__--': None,
    180              u'a-a': None,
    181              u'a_a': None,
    182              u'-a': None,
    183              u'_': None,
    184              u'-_': None,
    185              ur'-\72': u'-r',
    186              #ur'\25': u'%', # TODO: should be escaped!
    187              u'.a a': None,
    188              u'a1': None,
    189              u'a1-1': None,
    190              u'.a1-1': None,
    191
    192              # universal
    193              u'*': None,
    194              u'*/*x*/': None,
    195              u'* /*x*/': None,
    196              u'*:hover': None,
    197              u'* :hover': None,
    198              u'*:lang(fr)': None,
    199              u'* :lang(fr)': None,
    200              u'*::first-line': None,
    201              u'* ::first-line': None,
    202              u'*[lang=fr]': None,
    203              u'[lang=fr]': None,
    204
    205              # HASH
    206              u'''#a''': None,
    207              u'''#a1''': None,
    208              u'''#1a''': None, # valid to grammar but not for HTML
    209              u'''#1''': None, # valid to grammar but not for HTML
    210              u'''a#b''': None,
    211              u'''a #b''': None,
    212              u'''a#b.c''': None,
    213              u'''a.c#b''': None,
    214              u'''a #b.c''': None,
    215              u'''a .c#b''': None,
    216
    217              # class
    218              u'ab': 'ab',
    219              u'a.b': None,
    220              u'a.b.c': None,
    221              u'.a1._1': None,
    222
    223              # attrib
    224              u'''[x]''': None,
    225              u'''*[x]''': None,
    226              u'''a[x]''': None,
    227              u'''a[ x]''': 'a[x]',
    228              u'''a[x ]''': 'a[x]',
    229              u'''a [x]''': 'a [x]',
    230              u'''* [x]''': None, # is really * *[x]
    231
    232              u'''a[x="1"]''': None,
    233              u'''a[x ="1"]''': 'a[x="1"]',
    234              u'''a[x= "1"]''': 'a[x="1"]',
    235              u'''a[x = "1"]''': 'a[x="1"]',
    236              u'''a[ x = "1"]''': 'a[x="1"]',
    237              u'''a[x = "1" ]''': 'a[x="1"]',
    238              u'''a[ x = "1" ]''': 'a[x="1"]',
    239              u'''a [ x = "1" ]''': 'a [x="1"]',
    240
    241              u'''a[x~=a1]''': None,
    242              u'''a[x ~=a1]''': 'a[x~=a1]',
    243              u'''a[x~= a1]''': 'a[x~=a1]',
    244              u'''a[x ~= a1]''': 'a[x~=a1]',
    245              u'''a[ x ~= a1]''': 'a[x~=a1]',
    246              u'''a[x ~= a1 ]''': 'a[x~=a1]',
    247              u'''a[ x ~= a1 ]''': 'a[x~=a1]',
    248              u'''a [ x ~= a1 ]''': 'a [x~=a1]', # same as next!
    249              u'''a *[ x ~= a1 ]''': 'a *[x~=a1]',
    250
    251              u'''a[x|=en]''': None,
    252              u'''a[x|= en]''': 'a[x|=en]',
    253              u'''a[x |=en]''': 'a[x|=en]',
    254              u'''a[x |= en]''': 'a[x|=en]',
    255              u'''a[ x |= en]''': 'a[x|=en]',
    256              u'''a[x |= en ]''': 'a[x|=en]',
    257              u'''a[ x |= en]''': 'a[x|=en]',
    258              u'''a [ x |= en]''': 'a [x|=en]',
    259              # CSS3
    260              u'''a[x^=en]''': None,
    261              u'''a[x$=en]''': None,
    262              u'''a[x*=en]''': None,
    263
    264              u'''a[/*1*/x/*2*/]''': None,
    265              u'''a[/*1*/x/*2*/=/*3*/a/*4*/]''': None,
    266              u'''a[/*1*/x/*2*/~=/*3*/a/*4*/]''': None,
    267              u'''a[/*1*/x/*2*/|=/*3*/a/*4*/]''': None,
    268
    269              # pseudo-elements
    270              u'a x:first-line': None,
    271              u'a x:first-letter': None,
    272              u'a x:before': None,
    273              u'a x:after': None,
    274              u'a x::selection': None,
    275              u'a:hover+b:hover>c:hover~e:hover f:hover':
    276                  u'a:hover + b:hover > c:hover ~ e:hover f:hover',
    277              u'a:hover  +  b:hover  >  c:hover  ~  e:hover   f:hover':
    278                  u'a:hover + b:hover > c:hover ~ e:hover f:hover',
    279              u'a::selection+b::selection>c::selection~e::selection f::selection':
    280                  u'a::selection + b::selection > c::selection ~ e::selection f::selection',
    281              u'a::selection  +  b::selection  >  c::selection  ~  e::selection   f::selection':
    282                  u'a::selection + b::selection > c::selection ~ e::selection f::selection',
    283
    284              u'x:lang(de) y': None,
    285              u'x:nth-child(odd) y': None,
    286              # functional pseudo
    287              u'x:func(a + b-2px22.3"s"i)': None,
    288              u'x:func(1 + 1)': None,
    289              u'x:func(1+1)': u'x:func(1 + 1)',
    290              u'x:func(1   +   1)': u'x:func(1 + 1)',
    291              u'x:func(1-1)': u'x:func(1-1)',
    292              u'x:func(1  -  1)': u'x:func(1 -1)',
    293              u'x:func(a-1)': u'x:func(a-1)',
    294              u'x:func(a -1px)': u'x:func(a -1px)',
    295              u'x:func(1px)': None,
    296              u'x:func(23.4)': None,
    297              u'x:func("s")': None,
    298              u'x:func(i)': None,
    299
    300              # negation
    301              u':not(y)': None,
    302              u':not(   y  \t\n)': u':not(y)',
    303              u'*:not(y)': None,
    304              u'x:not(y)': None,
    305              u'.x:not(y)': None,
    306              u':not(*)': None,
    307              u':not(#a)': None,
    308              u':not(.a)': None,
    309              u':not([a])': None,
    310              u':not(:first-letter)': None,
    311              u':not(::first-letter)': None,
    312
    313              # escapes
    314              ur'\74\72 td': 'trtd',
    315              ur'\74\72  td': 'tr td',
    316              ur'\74\000072 td': 'trtd',
    317              ur'\74\000072  td': 'tr td',
    318
    319              # comments
    320              u'a/**/ b': None,
    321              u'a /**/b': None,
    322              u'a /**/ b': None,
    323              u'a  /**/ b': u'a /**/ b',
    324              u'a /**/  b': u'a /**/ b',
    325
    326              # namespaces
    327              u'|e': None,
    328              u'*|e': None,
    329              u'*|*': None,
    330              (u'p|*', (('p', 'uri'),)): u'p|*',
    331              (u'p|e', (('p', 'uri'),)): u'p|e',
    332              (u'-a_x12|e', (('-a_x12', 'uri'),)): u'-a_x12|e',
    333              (u'*|b[p|a]', (('p', 'uri'),)): '*|b[p|a]',
    334
    335              # case
    336              u'elemenT.clasS#iD[atT="valuE"]:noT(x)::firsT-linE':
    337                  u'elemenT.clasS#iD[atT="valuE"]:not(x)::first-line'
    338              }
    339          # do not parse as not complete
    340          self.do_equal_r(tests, att='selectorText')
    341
    342          tests = {
    343              u'x|a': xml.dom.NamespaceErr,
    344              (u'p|*', (('x', 'uri'),)): xml.dom.NamespaceErr,
    345
    346              u'': xml.dom.SyntaxErr,
    347              u'1': xml.dom.SyntaxErr,
    348              u'-1': xml.dom.SyntaxErr,
    349              u'a*b': xml.dom.SyntaxErr,
    350              u'a *b': xml.dom.SyntaxErr,
    351              u'a* b': xml.dom.SyntaxErr,
    352              u'a/**/b': xml.dom.SyntaxErr,
    353
    354              u'#': xml.dom.SyntaxErr,
    355              u'|': xml.dom.SyntaxErr,
    356
    357              u':': xml.dom.SyntaxErr,
    358              u'::': xml.dom.SyntaxErr,
    359              u': a': xml.dom.SyntaxErr,
    360              u':: a': xml.dom.SyntaxErr,
    361              u':a()': xml.dom.SyntaxErr, # no value
    362              u'::a()': xml.dom.SyntaxErr, # no value
    363              u':::a': xml.dom.SyntaxErr,
    364              u':1': xml.dom.SyntaxErr,
    365
    366              u'#.x': xml.dom.SyntaxErr,
    367              u'.': xml.dom.SyntaxErr,
    368              u'.1': xml.dom.SyntaxErr,
    369              u'.a.1': xml.dom.SyntaxErr,
    370
    371              u'[a': xml.dom.SyntaxErr,
    372              u'a]': xml.dom.SyntaxErr,
    373              u'[a b]': xml.dom.SyntaxErr,
    374              u'[=b]': xml.dom.SyntaxErr,
    375              u'[a=]': xml.dom.SyntaxErr,
    376              u'[a|=]': xml.dom.SyntaxErr,
    377              u'[a~=]': xml.dom.SyntaxErr,
    378              u'[a=1]': xml.dom.SyntaxErr,
    379
    380              u'a +': xml.dom.SyntaxErr,
    381              u'a >': xml.dom.SyntaxErr,
    382              u'a ++ b': xml.dom.SyntaxErr,
    383              u'a + > b': xml.dom.SyntaxErr,
    384
    385              # functional pseudo
    386              u'*:lang(': xml.dom.SyntaxErr,
    387              u'*:lang()': xml.dom.SyntaxErr, # no arg
    388
    389              # negation
    390              u'not(x)': xml.dom.SyntaxErr, # no valid function
    391              u':not()': xml.dom.SyntaxErr, # no arg
    392              u':not(x': xml.dom.SyntaxErr, # no )
    393              u':not(-': xml.dom.SyntaxErr, # not allowed
    394              u':not(+': xml.dom.SyntaxErr, # not allowed
    395
    396              # only one selector!
    397              u',': xml.dom.InvalidModificationErr,
    398              u',a': xml.dom.InvalidModificationErr,
    399              u'a,': xml.dom.InvalidModificationErr,
    400              }
    401          # only set as not complete
    402          self.do_raise_r(tests, att='_setSelectorText')
    403
    404 -    def test_specificity(self):
    405          "Selector.specificity"
    406          selector = cssutils.css.Selector()
    407
    408          # readonly
    409          def _set(): selector.specificity = 1
    410          self.assertRaisesMsg(AttributeError, "can't set attribute", _set)
    411
    412          tests = {
    413              u'*': (0,0,0,0),
    414              u'li': (0,0,0,1),
    415              u'li:first-line': (0,0,0,2),
    416              u'ul li': (0,0,0,2),
    417              u'ul ol+li': (0,0,0,3),
    418              u'h1 + *[rel=up]': (0,0,1,1),
    419              u'ul ol li.red': (0,0,1,3),
    420              u'li.red.level': (0,0,2,1),
    421              u'#x34y': (0,1,0,0),
    422
    423              u'UL OL LI.red': (0,0,1,3),
    424              u'LI.red.level': (0,0,2,1),
    425              u'#s12:not(FOO)': (0,1,0,1),
    426              u'button:not([DISABLED])': (0,0,1,1), #?
    427              u'*:not(FOO)': (0,0,0,1),
    428
    429              # elements
    430              u'a+b': (0,0,0,2),
    431              u'a>b': (0,0,0,2),
    432              u'a b': (0,0,0,2),
    433              u'* a': (0,0,0,1),
    434              u'a *': (0,0,0,1),
    435              u'a * b': (0,0,0,2),
    436
    437              u'a:hover': (0,0,0,1),
    438
    439              u'a:first-line': (0,0,0,2),
    440              u'a:first-letter': (0,0,0,2),
    441              u'a:before': (0,0,0,2),
    442              u'a:after': (0,0,0,2),
    443
    444              # classes and attributes
    445              u'.a': (0,0,1,0),
    446              u'*.a': (0,0,1,0),
    447              u'a.a': (0,0,1,1),
    448              u'.a.a': (0,0,2,0), # IE<7 False (0,0,1,0)
    449              u'a.a.a': (0,0,2,1),
    450              u'.a.b': (0,0,2,0),
    451              u'a.a.b': (0,0,2,1),
    452              u'.a .a': (0,0,2,0),
    453              u'*[x]': (0,0,1,0),
    454              u'*[x]': (0,0,1,0),
    455              u'*[x]': (0,0,1,0),
    456              u'*[x=a]': (0,0,1,0),
    457              u'*[x~=a]': (0,0,1,0),
    458              u'*[x|=a]': (0,0,1,0),
    459              u'*[x^=a]': (0,0,1,0),
    460              u'*[x*=a]': (0,0,1,0),
    461              u'*[x$=a]': (0,0,1,0),
    462              u'*[x][y]': (0,0,2,0),
    463
    464              # ids
    465              u'#a': (0,1,0,0),
    466              u'*#a': (0,1,0,0),
    467              u'x#a': (0,1,0,1),
    468              u'.x#a': (0,1,1,0),
    469              u'a.x#a': (0,1,1,1),
    470              u'#a#a': (0,2,0,0), # e.g. html:id + xml:id
    471              u'#a#b': (0,2,0,0),
    472              u'#a #b': (0,2,0,0),
    473              }
    474          for text in tests:
    475              selector.selectorText = text
    476              self.assertEqual(tests[text], selector.specificity)
    477
    478 -    def test_reprANDstr(self):
    479          "Selector.__repr__(), .__str__()"
    480          sel=u'a + b'
    481
    482          s = cssutils.css.Selector(selectorText=sel)
    483
    484          self.assert_(sel in str(s))
    485
    486          s2 = eval(repr(s))
    487          self.assert_(isinstance(s2, s.__class__))
    488          self.assert_(sel == s2.selectorText)
    489
    490
    491  if __name__ == '__main__':
    492      import unittest
    493      unittest.main()
    494