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Direktori : /usr/lib/python3/dist-packages/cssutils/tests/ |
Current File : //usr/lib/python3/dist-packages/cssutils/tests/test_cssstylesheet.py |
# -*- coding: utf-8 -*- """Tests for css.CSSStyleSheet""" import xml.dom from . import basetest import cssutils.css class CSSStyleSheetTestCase(basetest.BaseTestCase): def setUp(self): super(CSSStyleSheetTestCase, self).setUp() self.r = cssutils.css.CSSStyleSheet() # used by basetest self.s = self.r # used here self.rule = cssutils.css.CSSStyleRule() def tearDown(self): cssutils.ser.prefs.useDefaults() def test_init(self): "CSSStyleSheet.__init__()" self.assertEqual('text/css', self.s.type) self.assertEqual(False, self.s._readonly) self.assertEqual([], self.s.cssRules) self.assertEqual(False, self.s.disabled) self.assertEqual(None, self.s.href) self.assertEqual(None, self.s.media) self.assertEqual(None, self.s.ownerNode) self.assertEqual(None, self.s.parentStyleSheet) self.assertEqual('', self.s.title) # check that type is readonly self.assertRaises(AttributeError, self.r.__setattr__, 'href', 'x') self.assertRaises(AttributeError, self.r.__setattr__, 'parentStyleSheet', 'x') self.assertRaises(AttributeError, self.r.__setattr__, 'ownerNode', 'x') self.assertRaises(AttributeError, self.r.__setattr__, 'type', 'x') def test_iter(self): "CSSStyleSheet.__iter__()" s = cssutils.css.CSSStyleSheet() s.cssText = '''@import "x";@import "y";@namespace "u";''' types = [cssutils.css.CSSRule.IMPORT_RULE, cssutils.css.CSSRule.IMPORT_RULE, cssutils.css.CSSRule.NAMESPACE_RULE] for i, rule in enumerate(s): self.assertEqual(rule, s.cssRules[i]) self.assertEqual(rule.type, types[i]) def test_refs(self): """CSSStylesheet references""" s = cssutils.parseString('a {}') rules = s.cssRules self.assertEqual(s.cssRules[0].parentStyleSheet, s) self.assertEqual(rules[0].parentStyleSheet, s) # set cssText s.cssText = 'b{}' # from 0.9.7b1 self.assertNotEqual(rules, s.cssRules) # set cssRules s.cssRules = cssutils.parseString(''' @charset "ascii"; /**/ @import "x"; @namespace "http://example.com/ns0"; @media all { a { color: green; } } @font-face { font-family: x; } @page { font-family: Arial; } @x; b {}').cssRules''').cssRules # new object self.assertNotEqual(rules, s.cssRules) for i, r in enumerate(s.cssRules): self.assertEqual(r.parentStyleSheet, s) # namespaces s = cssutils.parseString('@namespace "http://example.com/ns1"; a {}') namespaces = s.namespaces self.assertEqual(list(s.namespaces.items()), [('', 'http://example.com/ns1')]) s.cssText = '@namespace x "http://example.com/ns2"; x|a {}' # not anymore! self.assertNotEqual(namespaces, s.namespaces) self.assertEqual(list(s.namespaces.items()), [('x', 'http://example.com/ns2')]) # variables s = cssutils.parseString('@variables { a:1}') vars1 = s.variables self.assertEqual(vars1['a'], '1') s = cssutils.parseString('@variables { a:2}') vars2 = s.variables self.assertNotEqual(vars1, vars2) self.assertEqual(vars1['a'], '1') self.assertEqual(vars2['a'], '2') def test_cssRules(self): "CSSStyleSheet.cssRules" s = cssutils.parseString('/*1*/a {x:1}') self.assertEqual(2, s.cssRules.length) del s.cssRules[0] self.assertEqual(1, s.cssRules.length) s.cssRules.append('/*2*/') self.assertEqual(2, s.cssRules.length) s.cssRules.extend(cssutils.parseString('/*3*/x {y:2}').cssRules) self.assertEqual(4, s.cssRules.length) self.assertEqual('a {\n x: 1\n }\n/*2*/\n/*3*/\nx {\n y: 2\n }'.encode(), s.cssText) for r in s.cssRules: self.assertEqual(r.parentStyleSheet, s) def test_cssText(self): "CSSStyleSheet.cssText" tests = { '': ''.encode(), # @charset '@charset "ascii";\n@import "x";': '@charset "ascii";\n@import "x";'.encode(), '@charset "ascii";\n@media all {}': '@charset "ascii";'.encode(), '@charset "ascii";\n@x;': '@charset "ascii";\n@x;'.encode(), '@charset "ascii";\na {\n x: 1\n }': '@charset "ascii";\na {\n x: 1\n }'.encode(), # @import '@x;\n@import "x";': '@x;\n@import "x";'.encode(), '@import "x";\n@import "y";': '@import "x";\n@import "y";'.encode(), '@import "x";\n@media all {}': '@import "x";'.encode(), '@import "x";\n@x;': '@import "x";\n@x;'.encode(), '@import "x";\na {\n x: 1\n }': '@import "x";\na {\n x: 1\n }'.encode(), # @namespace '@x;\n@namespace a "x";': '@x;\n@namespace a "x";'.encode(), '@namespace a "x";\n@namespace b "y";': '@namespace a "x";\n@namespace b "y";'.encode(), '@import "x";\n@namespace a "x";\n@media all {}': '@import "x";\n@namespace a "x";'.encode(), '@namespace a "x";\n@x;': '@namespace a "x";\n@x;'.encode(), '@namespace a "x";\na {\n x: 1\n }': '@namespace a "x";\na {\n x: 1\n }'.encode(), """@namespace url("e1"); @namespace url("e2"); @namespace x url("x1"); @namespace x url("x2"); test{color: green} x|test {color: green}""": """@namespace "e2"; @namespace x "x2"; test { color: green } x|test { color: green }""".encode() # ur'\1 { \2: \3 }': ur'''\x01 { # \x02: \x03 # }''', # ur''' # \@ { \@: \@ } # \1 { \2: \3 } # \{{\::\;;} # ''': ur'''\@ { # \@: \@ # } #\1 { # \2: \3 # } #\{ # {\:: \; # }''' } self.do_equal_r(tests) tests = { '': None, # @charset '@charset "ascii";\n@import "x";': None, '@charset "ascii";\n@media all {}': '@charset "ascii";', '@charset "ascii";\n@x;': None, '@charset "ascii";\na {\n x: 1\n }': None, # @import '@x;\n@import "x";': None, '@import "x";\n@import "y";': None, '@import "x";\n@media all {}': '@import "x";', '@import "x";\n@x;': None, '@import "x";\na {\n x: 1\n }': None, # @namespace '@x;\n@namespace a "x";': None, '@namespace a "x";\n@namespace b "y";': None, '@import "x";\n@namespace a "x";\n@media all {}': '@import "x";\n@namespace a "x";', '@namespace a "x";\n@x;': None, '@namespace a "x";\na {\n x: 1\n }': None, """@namespace url("e1"); @namespace url("e2"); @namespace x url("x1"); @namespace x url("x2"); test{color: green} x|test {color: green}""": """@namespace "e2"; @namespace x "x2"; test { color: green } x|test { color: green }""" # ur'\1 { \2: \3 }': ur'''\x01 { # \x02: \x03 # }''', # ur''' # \@ { \@: \@ } # \1 { \2: \3 } # \{{\::\;;} # ''': ur'''\@ { # \@: \@ # } #\1 { # \2: \3 # } #\{ # {\:: \; # }''' } self.do_equal_p(tests) s = cssutils.css.CSSStyleSheet() s.cssText = '''@charset "ascii";@import "x";@namespace a "x"; @media all {/*1*/}@page {margin: 0}a {\n x: 1\n }@unknown;/*comment*/''' for r in s.cssRules: self.assertEqual(s, r.parentStyleSheet) def test_cssText_HierarchyRequestErr(self): "CSSStyleSheet.cssText HierarchyRequestErr" tests = { # @charset: only one and always 1st ' @charset "utf-8";': xml.dom.HierarchyRequestErr, '@charset "ascii";@charset "ascii";': xml.dom.HierarchyRequestErr, '/*c*/@charset "ascii";': xml.dom.HierarchyRequestErr, '@import "x"; @charset "ascii";': xml.dom.HierarchyRequestErr, '@namespace a "x"; @charset "ascii";': xml.dom.HierarchyRequestErr, '@media all {} @charset "ascii";': xml.dom.HierarchyRequestErr, '@page {} @charset "ascii";': xml.dom.HierarchyRequestErr, 'a {} @charset "ascii";': xml.dom.HierarchyRequestErr, # @import: before @namespace, @media, @page, sr '@namespace a "x"; @import "x";': xml.dom.HierarchyRequestErr, '@media all {} @import "x";': xml.dom.HierarchyRequestErr, '@page {} @import "x";': xml.dom.HierarchyRequestErr, 'a {} @import "x";': xml.dom.HierarchyRequestErr, # @namespace: before @media, @page, sr '@media all {} @namespace a "x";': xml.dom.HierarchyRequestErr, '@page {} @namespace a "x";': xml.dom.HierarchyRequestErr, 'a {} @namespace a "x";': xml.dom.HierarchyRequestErr, } self.do_raise_r(tests) self.do_raise_p(tests) def test_cssText_SyntaxErr(self): """CSSStyleSheet.cssText SyntaxErr for single {, } or ; """ tests = { '{': xml.dom.SyntaxErr, '}': xml.dom.SyntaxErr, ';': xml.dom.SyntaxErr, '@charset "ascii";{': xml.dom.SyntaxErr, '@charset "ascii";}': xml.dom.SyntaxErr, '@charset "ascii";;': xml.dom.SyntaxErr, } self.do_raise_r(tests) self.do_raise_p(tests) def test_encoding(self): "CSSStyleSheet.encoding" self.s.cssText='' self.assertEqual('utf-8', self.s.encoding) self.s.encoding = 'ascii' self.assertEqual('ascii', self.s.encoding) self.assertEqual(1, self.s.cssRules.length) self.assertEqual('ascii', self.s.cssRules[0].encoding) self.s.encoding = None self.assertEqual('utf-8', self.s.encoding) self.assertEqual(0, self.s.cssRules.length) self.s.encoding = 'UTF-8' self.assertEqual('utf-8', self.s.encoding) self.assertEqual(1, self.s.cssRules.length) self.assertRaises(xml.dom.SyntaxErr, self.s._setEncoding, 'INVALID ENCODING') self.assertEqual('utf-8', self.s.encoding) self.assertEqual(1, self.s.cssRules.length) def test_namespaces1(self): "CSSStyleSheet.namespaces.namespaces" # tests for namespaces internal methods s = cssutils.css.CSSStyleSheet() self.assertEqual(0, len(s.namespaces)) css = '''@namespace "default"; @namespace ex "example"; @namespace ex2 "example"; ex2|x { top: 0 }''' expcss = '''@namespace "default"; @namespace ex2 "example"; ex2|x { top: 0 }''' s.cssText = css self.assertEqual(s.cssText, expcss.encode()) self.assertEqual(s.namespaces.namespaces, { '': 'default', 'ex2': 'example'}) # __contains__ self.assertTrue('' in s.namespaces) self.assertTrue('ex2' in s.namespaces) self.assertFalse('NOTSET' in s.namespaces) # __delitem__ self.assertRaises(xml.dom.NoModificationAllowedErr, s.namespaces.__delitem__, 'ex2') s.namespaces['del'] = 'del' del s.namespaces['del'] self.assertRaises(xml.dom.NamespaceErr, s.namespaces.__getitem__, 'del') # __getitem__ self.assertEqual('default', s.namespaces['']) self.assertEqual('example', s.namespaces['ex2']) self.assertRaises(xml.dom.NamespaceErr, s.namespaces.__getitem__, 'UNSET') # __iter__ self.assertEqual(['', 'ex2'], sorted(list(s.namespaces))) # __len__ self.assertEqual(2, len(s.namespaces)) # __setitem__ self.assertRaises(xml.dom.NoModificationAllowedErr, s.namespaces.__setitem__, 'ex2', 'NEWURI') s.namespaces['n1'] = 'new' self.assertEqual(s.namespaces.namespaces, { '': 'default', 'ex2': 'example', 'n1': 'new'}) s.namespaces['n'] = 'new' # replaces prefix! self.assertEqual(s.namespaces.namespaces, { '': 'default', 'ex2': 'example', 'n': 'new'}) # prefixForNamespaceURI self.assertEqual('', s.namespaces.prefixForNamespaceURI('default')) self.assertEqual('ex2', s.namespaces.prefixForNamespaceURI('example')) self.assertRaises(IndexError, s.namespaces.prefixForNamespaceURI, 'UNSET') # .keys self.assertEqual(set(s.namespaces.keys()), set(['', 'ex2', 'n'])) # .get self.assertEqual('x', s.namespaces.get('UNKNOWN', 'x')) self.assertEqual('example', s.namespaces.get('ex2', 'not used defa')) def test_namespaces2(self): "CSSStyleSheet.namespaces" # tests using CSSStyleSheet.namespaces s = cssutils.css.CSSStyleSheet() css = '@namespace n "new";' # doubles will be removed s.insertRule(css + css) self.assertEqual(s.cssText, css.encode()) r = cssutils.css.CSSNamespaceRule(prefix='ex2', namespaceURI='example') s.insertRule(r) r = cssutils.css.CSSNamespaceRule(namespaceURI='default') s.insertRule(r) expcss = '''@namespace n "new"; @namespace ex2 "example"; @namespace "default";''' self.assertEqual(s.cssText, expcss.encode()) r.prefix = 'DEFAULT' expcss = '''@namespace n "new"; @namespace ex2 "example"; @namespace DEFAULT "default";''' self.assertEqual(s.cssText, expcss.encode()) # CSSMediaRule self.assertRaises(xml.dom.NamespaceErr, s.add, '@media all {x|a {left: 0}}') mcss = '@media all {\n ex2|SEL1 {\n left: 0\n }\n }' s.add(mcss) expcss += '\n' + mcss self.assertEqual(s.cssText, expcss.encode()) # CSSStyleRule self.assertRaises(xml.dom.NamespaceErr, s.add, 'x|a {top: 0}') scss = 'n|SEL2 {\n top: 0\n }' s.add(scss) expcss += '\n' + scss self.assertEqual(s.cssText, expcss.encode()) mr = s.cssRules[3] sr = s.cssRules[4] # SelectorList @media self.assertRaises(xml.dom.NamespaceErr, mr.cssRules[0]._setSelectorText, 'x|b') oldsel, newsel = mr.cssRules[0].selectorText, 'n|SEL3, a' mr.cssRules[0].selectorText = newsel expcss = expcss.replace(oldsel, newsel) self.assertEqual(s.cssText, expcss.encode()) # SelectorList stylerule self.assertRaises(xml.dom.NamespaceErr, sr._setSelectorText, 'x|b') oldsel, newsel = sr.selectorText, 'ex2|SEL4, a' sr.selectorText = newsel expcss = expcss.replace(oldsel, newsel) self.assertEqual(s.cssText, expcss.encode()) # Selector @media self.assertRaises(xml.dom.NamespaceErr, mr.cssRules[0].selectorList.append, 'x|b') oldsel, newsel = mr.cssRules[0].selectorText, 'ex2|SELMR' mr.cssRules[0].selectorList.append(newsel) expcss = expcss.replace(oldsel, oldsel + ', ' + newsel) self.assertEqual(s.cssText, expcss.encode()) # Selector stylerule self.assertRaises(xml.dom.NamespaceErr, sr.selectorList.append, 'x|b') oldsel, newsel = sr.selectorText, 'ex2|SELSR' sr.selectorList.append(newsel) expcss = expcss.replace(oldsel, oldsel + ', ' + newsel) self.assertEqual(s.cssText, expcss.encode()) self.assertEqual(s.cssText, '''@namespace n "new"; @namespace ex2 "example"; @namespace DEFAULT "default"; @media all { n|SEL3, a, ex2|SELMR { left: 0 } } ex2|SEL4, a, ex2|SELSR { top: 0 }'''.encode()) def test_namespaces3(self): "CSSStyleSheet.namespaces 3" # tests setting namespaces with new {} s = cssutils.css.CSSStyleSheet() css = 'h|a { top: 0 }' self.assertRaises(xml.dom.NamespaceErr, s.add, css) s.add('@namespace x "html";') self.assertTrue(s.namespaces['x'] == 'html') r = cssutils.css.CSSStyleRule() r.cssText = ((css, {'h': 'html'})) s.add(r) # uses x as set before! h is temporary only self.assertEqual(s.cssText, '@namespace x "html";\nx|a {\n top: 0\n }'.encode()) # prefix is now "x"! self.assertRaises(xml.dom.NamespaceErr, r.selectorList.append, 'h|b') self.assertRaises(xml.dom.NamespaceErr, r.selectorList.append, 'y|b') s.namespaces['y'] = 'html' r.selectorList.append('y|b') self.assertEqual(s.cssText, '@namespace y "html";\ny|a, y|b {\n top: 0\n }'.encode()) self.assertRaises(xml.dom.NoModificationAllowedErr, s.namespaces.__delitem__, 'y') self.assertEqual(s.cssText, '@namespace y "html";\ny|a, y|b {\n top: 0\n }'.encode()) s.cssRules[0].prefix = '' self.assertEqual(s.cssText, '@namespace "html";\na, b {\n top: 0\n }'.encode()) # remove need of namespace s.cssRules[0].prefix = 'x' s.cssRules[1].selectorText = 'a, b' self.assertEqual(s.cssText, '@namespace x "html";\na, b {\n top: 0\n }'.encode()) def test_namespaces4(self): "CSSStyleSheet.namespaces 4" # tests setting namespaces with new {} s = cssutils.css.CSSStyleSheet() self.assertEqual({}, s.namespaces.namespaces) s.namespaces.namespaces['a'] = 'no setting possible' self.assertEqual({}, s.namespaces.namespaces) s.namespaces[None] = 'default' self.assertEqual({'': 'default'}, s.namespaces.namespaces) del s.namespaces[''] self.assertEqual({}, s.namespaces.namespaces) s.namespaces[''] = 'default' self.assertEqual({'': 'default'}, s.namespaces.namespaces) del s.namespaces[None] self.assertEqual({}, s.namespaces.namespaces) s.namespaces['p'] = 'uri' # cannot use namespaces.namespaces del s.namespaces.namespaces['p'] self.assertEqual({'p': 'uri'}, s.namespaces.namespaces) self.assertRaisesMsg(xml.dom.NamespaceErr, "Prefix undefined not found.", s.namespaces.__delitem__, 'undefined') def test_namespaces5(self): "CSSStyleSheet.namespaces 5" # unknown namespace s = cssutils.parseString('a|a { color: red }') self.assertEqual(s.cssText, ''.encode()) s = cssutils.css.CSSStyleSheet() self.assertRaisesMsg(xml.dom.NamespaceErr, "Prefix a not found.", s._setCssText, 'a|a { color: red }') def test_deleteRuleIndex(self): "CSSStyleSheet.deleteRule(index)" self.s.cssText = '@charset "ascii"; @import "x"; @x; a {\n x: 1\n }@y;' self.assertEqual(5, self.s.cssRules.length) self.assertRaises(xml.dom.IndexSizeErr, self.s.deleteRule, 5) # end -1 # check parentStyleSheet r = self.s.cssRules[-1] self.assertEqual(self.s, r.parentStyleSheet) self.s.deleteRule(-1) self.assertEqual(None, r.parentStyleSheet) self.assertEqual(4, self.s.cssRules.length) self.assertEqual( '@charset "ascii";\n@import "x";\n@x;\na {\n x: 1\n }'.encode(), self.s.cssText) # beginning self.s.deleteRule(0) self.assertEqual(3, self.s.cssRules.length) self.assertEqual('@import "x";\n@x;\na {\n x: 1\n }'.encode(), self.s.cssText) # middle self.s.deleteRule(1) self.assertEqual(2, self.s.cssRules.length) self.assertEqual('@import "x";\na {\n x: 1\n }'.encode(), self.s.cssText) # end self.s.deleteRule(1) self.assertEqual(1, self.s.cssRules.length) self.assertEqual('@import "x";'.encode(), self.s.cssText) def test_deleteRule(self): "CSSStyleSheet.deleteRule(rule)" s = cssutils.css.CSSStyleSheet() s.cssText=''' @namespace x "http://example.com"; a { color: red; } b { color: blue; } c { color: green; } ''' n, s1, s2, s3 = s.cssRules r = cssutils.css.CSSStyleRule() self.assertRaises(xml.dom.IndexSizeErr, s.deleteRule, r) self.assertEqual(4, s.cssRules.length) s.deleteRule(n) self.assertEqual(3, s.cssRules.length) self.assertEqual(s.cssText, 'a {\n color: red\n }\nb {\n color: blue\n }\nc {\n color: green\n }'.encode()) self.assertRaises(xml.dom.IndexSizeErr, s.deleteRule, n) s.deleteRule(s2) self.assertEqual(2, s.cssRules.length) self.assertEqual(s.cssText, 'a {\n color: red\n }\nc {\n color: green\n }'.encode()) self.assertRaises(xml.dom.IndexSizeErr, s.deleteRule, s2) def _gets(self): # complete self.cr = cssutils.css.CSSCharsetRule('ascii') self.c = cssutils.css.CSSComment('/*c*/') self.ur = cssutils.css.CSSUnknownRule('@x;') self.ir = cssutils.css.CSSImportRule('x') self.nr = cssutils.css.CSSNamespaceRule('uri', 'p') self.mr = cssutils.css.CSSMediaRule() self.mr.cssText = '@media all { @m; }' self.pr = cssutils.css.CSSPageRule() self.pr.style = 'margin: 0;' self.sr = cssutils.css.CSSStyleRule() self.sr.cssText = 'a {\n x: 1\n }' s = cssutils.css.CSSStyleSheet() s.insertRule(self.cr) # 0 s.insertRule(self.ir) # 1 s.insertRule(self.nr) # 2 s.insertRule(self.mr) # 3 s.insertRule(self.sr) # 4 s.insertRule(self.mr) # 5 s.insertRule(self.pr) # 6 s.insertRule(self.sr) # 7 self.assertEqual('@charset "ascii";\n@import url(x);\n@namespace p "uri";\n@media all {\n @m;\n }\na {\n x: 1\n }\n@media all {\n @m;\n }\n@page {\n margin: 0\n }\na {\n x: 1\n }'.encode(), s.cssText) return s, s.cssRules.length def test_add(self): "CSSStyleSheet.add()" full = cssutils.css.CSSStyleSheet() sheet = cssutils.css.CSSStyleSheet() css = ['@charset "ascii";', '@import "x";', '@namespace p "u";', '@page {\n left: 0\n }', '@font-face {\n src: local(x)\n }', '@media all {\n a {\n color: red\n }\n }', 'a {\n color: green\n }', '/*comment*/', '@x;' ] fullcss = '\n'.join(css) full.cssText = fullcss self.assertEqual(full.cssText, fullcss.encode()) for i, line in enumerate(css): # sheet without same ruletype before = css[:i] after = css[i+1:] sheet.cssText = ''.join(before + after) index = sheet.add(line) if i < 3: # specific insertion point self.assertEqual(fullcss.encode(), sheet.cssText) self.assertEqual(i, index) else: # end of sheet expected = before expected.extend(after) expected.append(line) self.assertEqual('\n'.join(expected).encode(), sheet.cssText) self.assertEqual(len(expected)-1, index) # no same rule present # sheet with the same ruletype if i == 1: line = '@import "x2";' if i == 2: line = '@namespace p2 "u2";' full.cssText = fullcss index = full.add(line) if i < 1: self.assertEqual(fullcss.encode(), sheet.cssText) self.assertEqual(i, index) # no same rule present else: if i < 3: # in order expected = css[:i+1] # including same rule expected.append(line) expected.extend(css[i+1:]) expectedindex = i+1 else: # just appended as no order needed expected = css[:] expected.append(line) expectedindex = len(expected) - 1 self.assertEqual('\n'.join(expected).encode(), full.cssText) self.assertEqual(expectedindex, index) # no same rule present def test_addimport(self): p = cssutils.CSSParser(fetcher=lambda url: (None, '/**/')) cssrulessheet = p.parseString('@import "example.css";') imports = ( '@import "example.css";', # string cssutils.css.CSSImportRule(href="example.css"), # CSSRule cssrulessheet.cssRules # CSSRuleList ) for imp in imports: sheet = p.parseString('', href='http://example.com') sheet.add(imp) added = sheet.cssRules[0] self.assertEqual(sheet, added.parentStyleSheet) self.assertEqual('example.css', added.href) self.assertEqual('utf-8', added.styleSheet.encoding) self.assertEqual('/**/'.encode(), added.styleSheet.cssText) cssrulessheet = p.parseString('@import "example.css";') imports = ( ('@import "example.css";', 'ascii'), # string (cssutils.css.CSSImportRule(href="example.css"), 'ascii'), # CSSRule # got encoding from old parent already (cssrulessheet.cssRules, 'utf-8') # CSSRuleList ) for imp, enc in imports: sheet = p.parseString('', href='http://example.com', encoding='ascii') sheet.add(imp) added = sheet.cssRules[1] self.assertEqual(sheet, added.parentStyleSheet) self.assertEqual('example.css', added.href) self.assertEqual(enc, added.styleSheet.encoding) if enc == 'ascii': self.assertEqual('@charset "ascii";\n/**/'.encode(), added.styleSheet.cssText) else: self.assertEqual('/**/'.encode(), added.styleSheet.cssText) # if styleSheet is already there encoding is not set new impsheet = p.parseString('@import "example.css";') imp = impsheet.cssRules[0] sheet = p.parseString('', href='http://example.com', encoding='ascii') sheet.add(imp) added = sheet.cssRules[1] self.assertEqual(sheet, added.parentStyleSheet) self.assertEqual('example.css', added.href) self.assertEqual('utf-8', added.styleSheet.encoding) self.assertEqual('/**/'.encode(), added.styleSheet.cssText) def test_insertRule(self): "CSSStyleSheet.insertRule()" s, L = self._gets() # INVALID index self.assertRaises(xml.dom.IndexSizeErr, s.insertRule, self.sr, -1) self.assertRaises(xml.dom.IndexSizeErr, s.insertRule, self.sr, s.cssRules.length + 1) # check if rule is really not in self.assertEqual(L, s.cssRules.length) # insert string s.insertRule('a {}') self.assertEqual(L+1, s.cssRules.length) # insert rule s.insertRule(self.sr) self.assertEqual(L+2, s.cssRules.length) # insert rulelist s2, L2 = self._gets() rulelist = s2.cssRules del rulelist[:-2] s.insertRule(rulelist) self.assertEqual(L+2 + 2, s.cssRules.length) def _insertRule(self, rules, notbefore, notafter, anywhere, checkdoubles=True): """ helper test if any rule in rules cannot be inserted before rules in before or after rules in after but before and after rules in anywhere """ for rule in rules: for r in notbefore: s = cssutils.css.CSSStyleSheet() s.insertRule(r) self.assertRaises(xml.dom.HierarchyRequestErr, s.insertRule, rule, 0) s = cssutils.css.CSSStyleSheet() s.add(r) self.assertRaises(xml.dom.HierarchyRequestErr, s.insertRule, rule, 0) for r in notafter: s = cssutils.css.CSSStyleSheet() s.insertRule(r) self.assertRaises(xml.dom.HierarchyRequestErr, s.insertRule, rule, 1) s = cssutils.css.CSSStyleSheet() s.add(r) s.add(rule) # never raises self.assertEqual(s, r.parentStyleSheet) for r in anywhere: s = cssutils.css.CSSStyleSheet() s.insertRule(r) s.insertRule(rule, 0) # before s.insertRule(rule) # after if checkdoubles: self.assertEqual(s.cssRules.length, 3) self.assertEqual(s, r.parentStyleSheet) def test_insertRule_charset(self): "CSSStyleSheet.insertRule(@charset)" s, L = self._gets() notbefore = (self.cr,) notafter = (self.cr, self.ir, self.nr, self.mr, self.pr, self.sr, self.c, self.ur) anywhere = () self._insertRule((self.cr,), notbefore, notafter, anywhere) def test_insertRule_import(self): "CSSStyleSheet.insertRule(@import)" s, L = self._gets() notbefore = (self.cr,) notafter = (self.nr, self.pr, self.mr, self.sr) anywhere = (self.c, self.ur, self.ir) self._insertRule((self.ir,), notbefore, notafter, anywhere) def test_insertRule_namespace(self): "CSSStyleSheet.insertRule(@namespace)" s, L = self._gets() notbefore = (self.cr, self.ir) notafter = (self.pr, self.mr, self.sr) anywhere = (self.c, self.ur, self.nr) self._insertRule((self.nr,), notbefore, notafter, anywhere, checkdoubles=False) def test_insertRule_media_page_style(self): "CSSStyleSheet.insertRule(@media, @page, stylerule)" s, L = self._gets() notbefore = (self.cr, self.ir, self.nr) notafter = () anywhere = (self.c, self.ur, self.mr, self.pr, self.sr) self._insertRule((self.pr, self.mr, self.sr), notbefore, notafter, anywhere) def test_insertRule_unknownandcomment(self): "CSSStyleSheet.insertRule(@ unknown, comment)" s, L = self._gets() notbefore = (self.cr,) notafter = () anywhere = (self.c, self.ur, self.ir, self.nr, self.mr, self.pr, self.sr) self._insertRule((self.ur,), notbefore, notafter, anywhere) def test_HTMLComments(self): "CSSStyleSheet CDO CDC" css = '''body { color: red } <!-- comment --> body { color: blue } body { color: pink } <!-- comment --> body { color: green } ''' exp = '''body { color: red } body { color: pink }''' sheet = cssutils.parseString(css) self.assertEqual(sheet.cssText, exp.encode()) def test_incomplete(self): "CSSStyleRule (incomplete)" tests = { '@import "a': '@import "a";', # no } 'a { x: 1': 'a {\n x: 1\n }', # no } 'a { font-family: "arial sans': # no " 'a {\n font-family: "arial sans"\n }', } self.do_equal_p(tests) # parse def test_NoModificationAllowedErr(self): "CSSStyleSheet NoModificationAllowedErr" css = cssutils.css.CSSStyleSheet(readonly=True) self.assertEqual(True, css._readonly) # internal... self.assertRaises(xml.dom.NoModificationAllowedErr, css._setCssText, '@x;') self.assertRaises(xml.dom.NoModificationAllowedErr, css.insertRule, self.rule) self.assertRaises(xml.dom.NoModificationAllowedErr, css.insertRule, self.rule, 0) self.assertRaises(xml.dom.NoModificationAllowedErr, css.deleteRule, 0) def test_reprANDstr(self): "CSSStyleSheet.__repr__(), .__str__()" href = 'file:foo.css' title = 'title-of-css' s = cssutils.css.CSSStyleSheet(href=href, title=title) self.assertTrue(href in str(s)) self.assertTrue(title in str(s)) s2 = eval(repr(s)) self.assertTrue(isinstance(s2, s.__class__)) self.assertTrue(href == s2.href) self.assertTrue(title == s2.title) def test_valid(self): cases = [ ('body { color: red; }', True), ('body { color: asd; }', False), ('body { foo: 12px; }', False), ] for case, expected in cases: sheet = cssutils.parseString(case) msg = "%r should be %s" % (case, 'valid' if expected else 'invalid') self.assertEqual(sheet.valid, expected, msg) if __name__ == '__main__': import unittest unittest.main()