|
| 1 | +from __future__importabsolute_import,division,unicode_literals |
| 2 | + |
| 3 | +try: |
| 4 | +fromcollectionsimportOrderedDict |
| 5 | +exceptImportError: |
| 6 | +fromordereddictimportOrderedDict |
| 7 | + |
| 8 | +importpytest |
| 9 | + |
| 10 | +importhtml5lib |
| 11 | +fromhtml5lib.filters.alphabeticalattributesimportFilter |
| 12 | +fromhtml5lib.serializerimportHTMLSerializer |
| 13 | + |
| 14 | + |
| 15 | +@pytest.mark.parametrize('msg, attrs, expected_attrs', [ |
| 16 | + ( |
| 17 | +'no attrs', |
| 18 | + {}, |
| 19 | + {} |
| 20 | + ), |
| 21 | + ( |
| 22 | +'one attr', |
| 23 | + {(None,'alt'):'image'}, |
| 24 | +OrderedDict([((None,'alt'),'image')]) |
| 25 | + ), |
| 26 | + ( |
| 27 | +'multiple attrs', |
| 28 | + { |
| 29 | + (None,'src'):'foo', |
| 30 | + (None,'alt'):'image', |
| 31 | + (None,'style'):'border: 1px solid black;' |
| 32 | + }, |
| 33 | +OrderedDict([ |
| 34 | + ((None,'alt'),'image'), |
| 35 | + ((None,'src'),'foo'), |
| 36 | + ((None,'style'),'border: 1px solid black;') |
| 37 | + ]) |
| 38 | + ), |
| 39 | +]) |
| 40 | +deftest_alphabetizing(msg,attrs,expected_attrs): |
| 41 | +tokens= [{'type':'StartTag','name':'img','data':attrs}] |
| 42 | +output_tokens=list(Filter(tokens)) |
| 43 | + |
| 44 | +attrs=output_tokens[0]['data'] |
| 45 | +assertattrs==expected_attrs |
| 46 | + |
| 47 | + |
| 48 | +deftest_with_different_namespaces(): |
| 49 | +tokens= [{ |
| 50 | +'type':'StartTag', |
| 51 | +'name':'pattern', |
| 52 | +'data': { |
| 53 | + (None,'id'):'patt1', |
| 54 | + ('http://www.w3.org/1999/xlink','href'):'#patt2' |
| 55 | + } |
| 56 | + }] |
| 57 | +output_tokens=list(Filter(tokens)) |
| 58 | + |
| 59 | +attrs=output_tokens[0]['data'] |
| 60 | +assertattrs==OrderedDict([ |
| 61 | + ((None,'id'),'patt1'), |
| 62 | + (('http://www.w3.org/1999/xlink','href'),'#patt2') |
| 63 | + ]) |
| 64 | + |
| 65 | + |
| 66 | +deftest_with_serializer(): |
| 67 | +"""Verify filter works in the context of everything else""" |
| 68 | +parser=html5lib.HTMLParser() |
| 69 | +dom=parser.parseFragment('<svg><pattern xlink:href="#patt2" id="patt1"></svg>') |
| 70 | +walker=html5lib.getTreeWalker('etree') |
| 71 | +ser=HTMLSerializer( |
| 72 | +alphabetical_attributes=True, |
| 73 | +quote_attr_values='always' |
| 74 | + ) |
| 75 | + |
| 76 | +# FIXME(willkg): The "xlink" namespace gets dropped by the serializer. When |
| 77 | +# that gets fixed, we can fix this expected result. |
| 78 | +assert ( |
| 79 | +ser.render(walker(dom))== |
| 80 | +'<svg><pattern id="patt1" href="#patt2"></pattern></svg>' |
| 81 | + ) |