Mercurial > genshi > genshi-test
view genshi/tests/path.py @ 925:7dae2a055543
Pull up r1147 to trunk.
Correct reference to i18n namespace in documentation.
author | jruigrok |
---|---|
date | Mon, 13 Dec 2010 19:08:52 +0000 |
parents | 266aa2e347f5 |
children |
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# -*- coding: utf-8 -*- # # Copyright (C) 2006 Edgewall Software # All rights reserved. # # This software is licensed as described in the file COPYING, which # you should have received as part of this distribution. The terms # are also available at http://genshi.edgewall.org/wiki/License. # # This software consists of voluntary contributions made by many # individuals. For the exact contribution history, see the revision # history and logs, available at http://genshi.edgewall.org/log/. import doctest import unittest from genshi.input import XML from genshi.path import Path, PathParser, PathSyntaxError, GenericStrategy, \ SingleStepStrategy, SimplePathStrategy class FakePath(Path): def __init__(self, strategy): self.strategy = strategy def test(self, ignore_context = False): return self.strategy.test(ignore_context) class PathTestCase(unittest.TestCase): strategies = [GenericStrategy, SingleStepStrategy, SimplePathStrategy] def test_error_no_absolute_path(self): self.assertRaises(PathSyntaxError, Path, '/root') def test_error_unsupported_axis(self): self.assertRaises(PathSyntaxError, Path, '..') self.assertRaises(PathSyntaxError, Path, 'parent::ma') def test_1step(self): xml = XML('<root><elem/></root>') self._test_eval( path = 'elem', equiv = '<Path "child::elem">', input = xml, output = '<elem/>' ) self._test_eval( path = 'elem', equiv = '<Path "child::elem">', input = xml, output = '<elem/>' ) self._test_eval( path = 'child::elem', equiv = '<Path "child::elem">', input = xml, output = '<elem/>' ) self._test_eval( path = '//elem', equiv = '<Path "descendant-or-self::elem">', input = xml, output = '<elem/>' ) self._test_eval( path = 'descendant::elem', equiv = '<Path "descendant::elem">', input = xml, output = '<elem/>' ) def test_1step_self(self): xml = XML('<root><elem/></root>') self._test_eval( path = '.', equiv = '<Path "self::node()">', input = xml, output = '<root><elem/></root>' ) self._test_eval( path = 'self::node()', equiv = '<Path "self::node()">', input = xml, output = '<root><elem/></root>' ) def test_1step_wildcard(self): xml = XML('<root><elem/></root>') self._test_eval( path = '*', equiv = '<Path "child::*">', input = xml, output = '<elem/>' ) self._test_eval( path = 'child::*', equiv = '<Path "child::*">', input = xml, output = '<elem/>' ) self._test_eval( path = 'child::node()', equiv = '<Path "child::node()">', input = xml, output = '<elem/>' ) self._test_eval( path = '//*', equiv = '<Path "descendant-or-self::*">', input = xml, output = '<root><elem/></root>' ) def test_1step_attribute(self): self._test_eval( path = '@foo', equiv = '<Path "attribute::foo">', input = XML('<root/>'), output = '' ) xml = XML('<root foo="bar"/>') self._test_eval( path = '@foo', equiv = '<Path "attribute::foo">', input = xml, output = 'bar' ) self._test_eval( path = './@foo', equiv = '<Path "self::node()/attribute::foo">', input = xml, output = 'bar' ) def test_1step_text(self): xml = XML('<root>Hey</root>') self._test_eval( path = 'text()', equiv = '<Path "child::text()">', input = xml, output = 'Hey' ) self._test_eval( path = './text()', equiv = '<Path "self::node()/child::text()">', input = xml, output = 'Hey' ) self._test_eval( path = '//text()', equiv = '<Path "descendant-or-self::text()">', input = xml, output = 'Hey' ) self._test_eval( path = './/text()', equiv = '<Path "self::node()/descendant-or-self::node()/child::text()">', input = xml, output = 'Hey' ) def test_2step(self): xml = XML('<root><foo/><bar/></root>') self._test_eval('*', input=xml, output='<foo/><bar/>') self._test_eval('bar', input=xml, output='<bar/>') self._test_eval('baz', input=xml, output='') def test_2step_attribute(self): xml = XML('<elem class="x"><span id="joe">Hey Joe</span></elem>') self._test_eval('@*', input=xml, output='x') self._test_eval('./@*', input=xml, output='x') self._test_eval('.//@*', input=xml, output='xjoe') self._test_eval('*/@*', input=xml, output='joe') xml = XML('<elem><foo id="1"/><foo id="2"/></elem>') self._test_eval('@*', input=xml, output='') self._test_eval('foo/@*', input=xml, output='12') def test_2step_complex(self): xml = XML('<root><foo><bar/></foo></root>') self._test_eval( path = 'foo/bar', equiv = '<Path "child::foo/child::bar">', input = xml, output = '<bar/>' ) self._test_eval( path = './bar', equiv = '<Path "self::node()/child::bar">', input = xml, output = '' ) self._test_eval( path = 'foo/*', equiv = '<Path "child::foo/child::*">', input = xml, output = '<bar/>' ) xml = XML('<root><foo><bar id="1"/></foo><bar id="2"/></root>') self._test_eval( path = './bar', equiv = '<Path "self::node()/child::bar">', input = xml, output = '<bar id="2"/>' ) xml = XML('''<table> <tr><td>1</td><td>One</td></tr> <tr><td>2</td><td>Two</td></tr> </table>''') self._test_eval( path = 'tr/td[1]', input = xml, output = '<td>1</td><td>2</td>' ) xml = XML('''<ul> <li>item1 <ul><li>subitem11</li></ul> </li> <li>item2 <ul><li>subitem21</li></ul> </li> </ul>''') self._test_eval( path = 'li[2]/ul', input = xml, output = '<ul><li>subitem21</li></ul>' ) def test_2step_text(self): xml = XML('<root><item>Foo</item></root>') self._test_eval( path = 'item/text()', equiv = '<Path "child::item/child::text()">', input = xml, output = 'Foo' ) self._test_eval( path = '*/text()', equiv = '<Path "child::*/child::text()">', input = xml, output = 'Foo' ) self._test_eval( path = '//text()', equiv = '<Path "descendant-or-self::text()">', input = xml, output = 'Foo' ) self._test_eval( path = './text()', equiv = '<Path "self::node()/child::text()">', input = xml, output = '' ) xml = XML('<root><item>Foo</item><item>Bar</item></root>') self._test_eval( path = 'item/text()', equiv = '<Path "child::item/child::text()">', input = xml, output = 'FooBar' ) xml = XML('<root><item><name>Foo</name><sub><name>Bar</name></sub></item></root>') self._test_eval( path = 'item/name/text()', equiv = '<Path "child::item/child::name/child::text()">', input = xml, output = 'Foo' ) def test_3step(self): xml = XML('<root><foo><bar/></foo></root>') self._test_eval( path = 'foo/*', equiv = '<Path "child::foo/child::*">', input = xml, output = '<bar/>' ) def test_3step_complex(self): self._test_eval( path = '*/bar', equiv = '<Path "child::*/child::bar">', input = XML('<root><foo><bar/></foo></root>'), output = '<bar/>' ) self._test_eval( path = '//bar', equiv = '<Path "descendant-or-self::bar">', input = XML('<root><foo><bar id="1"/></foo><bar id="2"/></root>'), output = '<bar id="1"/><bar id="2"/>' ) def test_3step_complex_text(self): xml = XML('<root><item><bar>Some text </bar><baz><bar>in here.</bar></baz></item></root>') self._test_eval( path = 'item/bar/text()', equiv = '<Path "child::item/child::bar/child::text()">', input = xml, output = 'Some text ' ) self._test_eval( path = 'item//bar/text()', equiv = '<Path "child::item/descendant-or-self::node()/child::bar/child::text()">', input = xml, output = 'Some text in here.' ) def test_node_type_comment(self): xml = XML('<root><!-- commented --></root>') self._test_eval( path = 'comment()', equiv = '<Path "child::comment()">', input = xml, output = '<!-- commented -->' ) def test_node_type_text(self): xml = XML('<root>Some text <br/>in here.</root>') self._test_eval( path = 'text()', equiv = '<Path "child::text()">', input = xml, output = 'Some text in here.' ) def test_node_type_node(self): xml = XML('<root>Some text <br/>in here.</root>') self._test_eval( path = 'node()', equiv = '<Path "child::node()">', input = xml, output = 'Some text <br/>in here.' ) def test_node_type_processing_instruction(self): xml = XML('<?python x = 2 * 3 ?><root><?php echo("x") ?></root>') self._test_eval( path = '//processing-instruction()', equiv = '<Path "descendant-or-self::processing-instruction()">', input = xml, output = '<?python x = 2 * 3 ?><?php echo("x") ?>' ) self._test_eval( path = 'processing-instruction()', equiv = '<Path "child::processing-instruction()">', input = xml, output = '<?php echo("x") ?>' ) self._test_eval( path = 'processing-instruction("php")', equiv = '<Path "child::processing-instruction(\"php\")">', input = xml, output = '<?php echo("x") ?>' ) def test_simple_union(self): xml = XML("""<body>1<br />2<br />3<br /></body>""") self._test_eval( path = '*|text()', equiv = '<Path "child::*|child::text()">', input = xml, output = '1<br/>2<br/>3<br/>' ) def test_predicate_name(self): xml = XML('<root><foo/><bar/></root>') self._test_eval('*[name()="foo"]', input=xml, output='<foo/>') def test_predicate_localname(self): xml = XML('<root><foo xmlns="NS"/><bar/></root>') self._test_eval('*[local-name()="foo"]', input=xml, output='<foo xmlns="NS"/>') def test_predicate_namespace(self): xml = XML('<root><foo xmlns="NS"/><bar/></root>') self._test_eval('*[namespace-uri()="NS"]', input=xml, output='<foo xmlns="NS"/>') def test_predicate_not_name(self): xml = XML('<root><foo/><bar/></root>') self._test_eval('*[not(name()="foo")]', input=xml, output='<bar/>') def test_predicate_attr(self): xml = XML('<root><item/><item important="very"/></root>') self._test_eval('item[@important]', input=xml, output='<item important="very"/>') self._test_eval('item[@important="very"]', input=xml, output='<item important="very"/>') def test_predicate_attr_equality(self): xml = XML('<root><item/><item important="notso"/></root>') self._test_eval('item[@important="very"]', input=xml, output='') self._test_eval('item[@important!="very"]', input=xml, output='<item/><item important="notso"/>') def test_predicate_attr_greater_than(self): xml = XML('<root><item priority="3"/></root>') self._test_eval('item[@priority>3]', input=xml, output='') self._test_eval('item[@priority>2]', input=xml, output='<item priority="3"/>') def test_predicate_attr_less_than(self): xml = XML('<root><item priority="3"/></root>') self._test_eval('item[@priority<3]', input=xml, output='') self._test_eval('item[@priority<4]', input=xml, output='<item priority="3"/>') def test_predicate_attr_and(self): xml = XML('<root><item/><item important="very"/></root>') self._test_eval('item[@important and @important="very"]', input=xml, output='<item important="very"/>') self._test_eval('item[@important and @important="notso"]', input=xml, output='') def test_predicate_attr_or(self): xml = XML('<root><item/><item important="very"/></root>') self._test_eval('item[@urgent or @important]', input=xml, output='<item important="very"/>') self._test_eval('item[@urgent or @notso]', input=xml, output='') def test_predicate_boolean_function(self): xml = XML('<root><foo>bar</foo></root>') self._test_eval('*[boolean("")]', input=xml, output='') self._test_eval('*[boolean("yo")]', input=xml, output='<foo>bar</foo>') self._test_eval('*[boolean(0)]', input=xml, output='') self._test_eval('*[boolean(42)]', input=xml, output='<foo>bar</foo>') self._test_eval('*[boolean(false())]', input=xml, output='') self._test_eval('*[boolean(true())]', input=xml, output='<foo>bar</foo>') def test_predicate_ceil_function(self): xml = XML('<root><foo>bar</foo></root>') self._test_eval('*[ceiling("4.5")=5]', input=xml, output='<foo>bar</foo>') def test_predicate_concat_function(self): xml = XML('<root><foo>bar</foo></root>') self._test_eval('*[name()=concat("f", "oo")]', input=xml, output='<foo>bar</foo>') def test_predicate_contains_function(self): xml = XML('<root><foo>bar</foo></root>') self._test_eval('*[contains(name(), "oo")]', input=xml, output='<foo>bar</foo>') def test_predicate_matches_function(self): xml = XML('<root><foo>bar</foo><bar>foo</bar></root>') self._test_eval('*[matches(name(), "foo|bar")]', input=xml, output='<foo>bar</foo><bar>foo</bar>') def test_predicate_false_function(self): xml = XML('<root><foo>bar</foo></root>') self._test_eval('*[false()]', input=xml, output='') def test_predicate_floor_function(self): xml = XML('<root><foo>bar</foo></root>') self._test_eval('*[floor("4.5")=4]', input=xml, output='<foo>bar</foo>') def test_predicate_normalize_space_function(self): xml = XML('<root><foo>bar</foo></root>') self._test_eval('*[normalize-space(" foo bar ")="foo bar"]', input=xml, output='<foo>bar</foo>') def test_predicate_number_function(self): xml = XML('<root><foo>bar</foo></root>') self._test_eval('*[number("3.0")=3]', input=xml, output='<foo>bar</foo>') self._test_eval('*[number("3.0")=3.0]', input=xml, output='<foo>bar</foo>') self._test_eval('*[number("0.1")=.1]', input=xml, output='<foo>bar</foo>') def test_predicate_round_function(self): xml = XML('<root><foo>bar</foo></root>') self._test_eval('*[round("4.4")=4]', input=xml, output='<foo>bar</foo>') self._test_eval('*[round("4.6")=5]', input=xml, output='<foo>bar</foo>') def test_predicate_starts_with_function(self): xml = XML('<root><foo>bar</foo></root>') self._test_eval('*[starts-with(name(), "f")]', input=xml, output='<foo>bar</foo>') self._test_eval('*[starts-with(name(), "b")]', input=xml, output='') def test_predicate_string_length_function(self): xml = XML('<root><foo>bar</foo></root>') self._test_eval('*[string-length(name())=3]', input=xml, output='<foo>bar</foo>') def test_predicate_substring_function(self): xml = XML('<root><foo>bar</foo></root>') self._test_eval('*[substring(name(), 1)="oo"]', input=xml, output='<foo>bar</foo>') self._test_eval('*[substring(name(), 1, 1)="o"]', input=xml, output='<foo>bar</foo>') def test_predicate_substring_after_function(self): xml = XML('<root><foo>bar</foo></root>') self._test_eval('*[substring-after(name(), "f")="oo"]', input=xml, output='<foo>bar</foo>') def test_predicate_substring_before_function(self): xml = XML('<root><foo>bar</foo></root>') self._test_eval('*[substring-before(name(), "oo")="f"]', input=xml, output='<foo>bar</foo>') def test_predicate_translate_function(self): xml = XML('<root><foo>bar</foo></root>') self._test_eval('*[translate(name(), "fo", "ba")="baa"]', input=xml, output='<foo>bar</foo>') def test_predicate_true_function(self): xml = XML('<root><foo>bar</foo></root>') self._test_eval('*[true()]', input=xml, output='<foo>bar</foo>') def test_predicate_variable(self): xml = XML('<root><foo>bar</foo></root>') self._test_eval( path = '*[name()=$bar]', input = xml, output = '<foo>bar</foo>', variables = {'bar': 'foo'} ) def test_predicate_position(self): xml = XML('<root><foo id="a1"/><foo id="a2"/><foo id="a3"/></root>') self._test_eval('*[2]', input=xml, output='<foo id="a2"/>') def test_predicate_attr_and_position(self): xml = XML('<root><foo/><foo id="a1"/><foo id="a2"/></root>') self._test_eval('*[@id][2]', input=xml, output='<foo id="a2"/>') def test_predicate_position_and_attr(self): xml = XML('<root><foo/><foo id="a1"/><foo id="a2"/></root>') self._test_eval('*[1][@id]', input=xml, output='') self._test_eval('*[2][@id]', input=xml, output='<foo id="a1"/>') def test_predicate_advanced_position(self): xml = XML('<root><a><b><c><d><e/></d></c></b></a></root>') self._test_eval( 'descendant-or-self::*/' 'descendant-or-self::*/' 'descendant-or-self::*[2]/' 'self::*/descendant::*[3]', input=xml, output='<d><e/></d>') def test_predicate_child_position(self): xml = XML('\ <root><a><b>1</b><b>2</b><b>3</b></a><a><b>4</b><b>5</b></a></root>') self._test_eval('//a/b[2]', input=xml, output='<b>2</b><b>5</b>') self._test_eval('//a/b[3]', input=xml, output='<b>3</b>') def test_name_with_namespace(self): xml = XML('<root xmlns:f="FOO"><f:foo>bar</f:foo></root>') self._test_eval( path = 'f:foo', equiv = '<Path "child::f:foo">', input = xml, output = '<foo xmlns="FOO">bar</foo>', namespaces = {'f': 'FOO'} ) def test_wildcard_with_namespace(self): xml = XML('<root xmlns:f="FOO"><f:foo>bar</f:foo></root>') self._test_eval( path = 'f:*', equiv = '<Path "child::f:*">', input = xml, output = '<foo xmlns="FOO">bar</foo>', namespaces = {'f': 'FOO'} ) def test_predicate_termination(self): """ Verify that a patch matching the self axis with a predicate doesn't cause an infinite loop. See <http://genshi.edgewall.org/ticket/82>. """ xml = XML('<ul flag="1"><li>a</li><li>b</li></ul>') self._test_eval('.[@flag="1"]/*', input=xml, output='<li>a</li><li>b</li>') xml = XML('<ul flag="1"><li>a</li><li>b</li></ul>') self._test_eval('.[@flag="0"]/*', input=xml, output='') def test_attrname_with_namespace(self): xml = XML('<root xmlns:f="FOO"><foo f:bar="baz"/></root>') self._test_eval('foo[@f:bar]', input=xml, output='<foo xmlns:ns1="FOO" ns1:bar="baz"/>', namespaces={'f': 'FOO'}) def test_attrwildcard_with_namespace(self): xml = XML('<root xmlns:f="FOO"><foo f:bar="baz"/></root>') self._test_eval('foo[@f:*]', input=xml, output='<foo xmlns:ns1="FOO" ns1:bar="baz"/>', namespaces={'f': 'FOO'}) def test_self_and_descendant(self): xml = XML('<root><foo/></root>') self._test_eval('self::root', input=xml, output='<root><foo/></root>') self._test_eval('self::foo', input=xml, output='') self._test_eval('descendant::root', input=xml, output='') self._test_eval('descendant::foo', input=xml, output='<foo/>') self._test_eval('descendant-or-self::root', input=xml, output='<root><foo/></root>') self._test_eval('descendant-or-self::foo', input=xml, output='<foo/>') def test_long_simple_paths(self): xml = XML('<root><a><b><a><d><a><b><a><b><a><b><a><c>!' '</c></a></b></a></b></a></b></a></d></a></b></a></root>') self._test_eval('//a/b/a/b/a/c', input=xml, output='<c>!</c>') self._test_eval('//a/b/a/c', input=xml, output='<c>!</c>') self._test_eval('//a/c', input=xml, output='<c>!</c>') self._test_eval('//c', input=xml, output='<c>!</c>') # Please note that a//b is NOT the same as a/descendant::b # it is a/descendant-or-self::node()/b, which SimplePathStrategy # does NOT support self._test_eval('a/b/descendant::a/c', input=xml, output='<c>!</c>') self._test_eval('a/b/descendant::a/d/descendant::a/c', input=xml, output='<c>!</c>') self._test_eval('a/b/descendant::a/d/a/c', input=xml, output='') self._test_eval('//d/descendant::b/descendant::b/descendant::b' '/descendant::c', input=xml, output='<c>!</c>') self._test_eval('//d/descendant::b/descendant::b/descendant::b' '/descendant::b/descendant::c', input=xml, output='') def _test_support(self, strategy_class, text): path = PathParser(text, None, -1).parse()[0] return strategy_class.supports(path) def test_simple_strategy_support(self): self.assert_(self._test_support(SimplePathStrategy, 'a/b')) self.assert_(self._test_support(SimplePathStrategy, 'self::a/b')) self.assert_(self._test_support(SimplePathStrategy, 'descendant::a/b')) self.assert_(self._test_support(SimplePathStrategy, 'descendant-or-self::a/b')) self.assert_(self._test_support(SimplePathStrategy, '//a/b')) self.assert_(self._test_support(SimplePathStrategy, 'a/@b')) self.assert_(self._test_support(SimplePathStrategy, 'a/text()')) # a//b is a/descendant-or-self::node()/b self.assert_(not self._test_support(SimplePathStrategy, 'a//b')) self.assert_(not self._test_support(SimplePathStrategy, 'node()/@a')) self.assert_(not self._test_support(SimplePathStrategy, '@a')) self.assert_(not self._test_support(SimplePathStrategy, 'foo:bar')) self.assert_(not self._test_support(SimplePathStrategy, 'a/@foo:bar')) def _test_strategies(self, input, path, output, namespaces=None, variables=None): for strategy in self.strategies: if not strategy.supports(path): continue s = strategy(path) rendered = FakePath(s).select(input, namespaces=namespaces, variables=variables) \ .render(encoding=None) msg = 'Bad render using %s strategy' % str(strategy) msg += '\nExpected:\t%r' % output msg += '\nRendered:\t%r' % rendered self.assertEqual(output, rendered, msg) def _test_eval(self, path, equiv=None, input=None, output='', namespaces=None, variables=None): path = Path(path) if equiv is not None: self.assertEqual(equiv, repr(path)) if input is None: return rendered = path.select(input, namespaces=namespaces, variables=variables).render(encoding=None) msg = 'Bad output using whole path' msg += '\nExpected:\t%r' % output msg += '\nRendered:\t%r' % rendered self.assertEqual(output, rendered, msg) if len(path.paths) == 1: self._test_strategies(input, path.paths[0], output, namespaces=namespaces, variables=variables) def suite(): suite = unittest.TestSuite() suite.addTest(doctest.DocTestSuite(Path.__module__)) suite.addTest(unittest.makeSuite(PathTestCase, 'test')) return suite if __name__ == '__main__': unittest.main(defaultTest='suite')