Mercurial > genshi > genshi-test
view genshi/tests/path.py @ 820:1837f39efd6f experimental-inline
Sync (old) experimental inline branch with trunk@1027.
| author | cmlenz |
|---|---|
| date | Wed, 11 Mar 2009 17:51:06 +0000 |
| parents | 0742f421caba |
| children | 09cc3627654c |
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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 _create_path(self, expression, expected): return path def _test_strategies(self, stream, path, render, namespaces=None, variables=None): for strategy in self.strategies: if not strategy.supports(path): continue s = strategy(path) rendered = FakePath(s).select(stream,namespaces=namespaces, variables=variables).render() msg = "Bad render using %s strategy"%str(strategy) msg += "\nExpected:\t'%s'"%render msg += "\nRendered:\t'%s'"%rendered self.assertEqual(render, rendered, msg) def _test_expression(self, text, expected, stream=None, render="", namespaces=None, variables=None): path = Path(text) if expected is not None: self.assertEqual(expected, repr(path)) if stream is None: return rendered = path.select(stream, namespaces=namespaces, variables=variables).render() msg = "Bad render using whole path" msg += "\nExpected:\t'%s'"%render msg += "\nRendered:\t'%s'"%rendered self.assertEqual(render, rendered, msg) if len(path.paths) == 1: self._test_strategies(stream, path.paths[0], render, namespaces=namespaces, variables=variables) 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_expression( 'elem', '<Path "child::elem">', xml, '<elem/>') self._test_expression( 'elem', '<Path "child::elem">', xml, '<elem/>') self._test_expression( 'child::elem', '<Path "child::elem">', xml, '<elem/>') self._test_expression( '//elem', '<Path "descendant-or-self::elem">', xml, '<elem/>') self._test_expression( 'descendant::elem', '<Path "descendant::elem">', xml, '<elem/>') def test_1step_self(self): xml = XML('<root><elem/></root>') self._test_expression( '.', '<Path "self::node()">', xml, '<root><elem/></root>') self._test_expression( 'self::node()', '<Path "self::node()">', xml, '<root><elem/></root>') def test_1step_wildcard(self): xml = XML('<root><elem/></root>') self._test_expression( '*', '<Path "child::*">', xml, '<elem/>') self._test_expression( 'child::*', '<Path "child::*">', xml, '<elem/>') self._test_expression( 'child::node()', '<Path "child::node()">', xml, '<elem/>') self._test_expression( '//*', '<Path "descendant-or-self::*">', xml, '<root><elem/></root>') def test_1step_attribute(self): self._test_expression( '@foo', '<Path "attribute::foo">', XML('<root/>'), '') xml = XML('<root foo="bar"/>') self._test_expression( '@foo', '<Path "attribute::foo">', xml, 'bar') self._test_expression( './@foo', '<Path "self::node()/attribute::foo">', xml, 'bar') def test_1step_text(self): xml = XML('<root>Hey</root>') self._test_expression( 'text()', '<Path "child::text()">', xml, 'Hey') self._test_expression( './text()', '<Path "self::node()/child::text()">', xml, 'Hey') self._test_expression( '//text()', '<Path "descendant-or-self::text()">', xml, 'Hey') self._test_expression( './/text()', '<Path "self::node()/descendant-or-self::node()/child::text()">', xml, 'Hey') def test_2step(self): xml = XML('<root><foo/><bar/></root>') self._test_expression('*', None, xml, '<foo/><bar/>') self._test_expression('bar', None, xml, '<bar/>') self._test_expression('baz', None, xml, '') def test_2step_attribute(self): xml = XML('<elem class="x"><span id="joe">Hey Joe</span></elem>') self._test_expression('@*', None, xml, 'x') self._test_expression('./@*', None, xml, 'x') self._test_expression('.//@*', None, xml, 'xjoe') self._test_expression('*/@*', None, xml, 'joe') xml = XML('<elem><foo id="1"/><foo id="2"/></elem>') self._test_expression('@*', None, xml, '') self._test_expression('foo/@*', None, xml, '12') def test_2step_complex(self): xml = XML('<root><foo><bar/></foo></root>') self._test_expression( 'foo/bar', '<Path "child::foo/child::bar">', xml, '<bar/>') self._test_expression( './bar', '<Path "self::node()/child::bar">', xml, '') self._test_expression( 'foo/*', '<Path "child::foo/child::*">', xml, '<bar/>') xml = XML('<root><foo><bar id="1"/></foo><bar id="2"/></root>') self._test_expression( './bar', '<Path "self::node()/child::bar">', xml, '<bar id="2"/>') def test_2step_text(self): xml = XML('<root><item>Foo</item></root>') self._test_expression( 'item/text()', '<Path "child::item/child::text()">', xml, 'Foo') self._test_expression( '*/text()', '<Path "child::*/child::text()">', xml, 'Foo') self._test_expression( '//text()', '<Path "descendant-or-self::text()">', xml, 'Foo') self._test_expression( './text()', '<Path "self::node()/child::text()">', xml, '') xml = XML('<root><item>Foo</item><item>Bar</item></root>') self._test_expression( 'item/text()', '<Path "child::item/child::text()">', xml, 'FooBar') def test_3step(self): xml = XML('<root><foo><bar/></foo></root>') self._test_expression( 'foo/*', '<Path "child::foo/child::*">', xml, '<bar/>') def test_3step_complex(self): xml = XML('<root><foo><bar/></foo></root>') self._test_expression( '*/bar', '<Path "child::*/child::bar">', xml, '<bar/>') xml = XML('<root><foo><bar id="1"/></foo><bar id="2"/></root>') self._test_expression( '//bar', '<Path "descendant-or-self::bar">', xml, '<bar id="1"/><bar id="2"/>') def test_node_type_comment(self): xml = XML('<root><!-- commented --></root>') self._test_expression( 'comment()', '<Path "child::comment()">', xml, '<!-- commented -->') def test_node_type_text(self): xml = XML('<root>Some text <br/>in here.</root>') self._test_expression( 'text()', '<Path "child::text()">', xml, 'Some text in here.') def test_node_type_node(self): xml = XML('<root>Some text <br/>in here.</root>') self._test_expression( 'node()', '<Path "child::node()">', xml, '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_expression( '//processing-instruction()', '<Path "descendant-or-self::processing-instruction()">', xml, '<?python x = 2 * 3 ?><?php echo("x") ?>') self._test_expression( 'processing-instruction()', '<Path "child::processing-instruction()">', xml, '<?php echo("x") ?>') self._test_expression( 'processing-instruction("php")', '<Path "child::processing-instruction(\"php\")">', xml, '<?php echo("x") ?>') def test_simple_union(self): xml = XML("""<body>1<br />2<br />3<br /></body>""") self._test_expression( '*|text()', '<Path "child::*|child::text()">', xml, '1<br/>2<br/>3<br/>') def test_predicate_name(self): xml = XML('<root><foo/><bar/></root>') self._test_expression('*[name()="foo"]', None, xml, '<foo/>') def test_predicate_localname(self): xml = XML('<root><foo xmlns="NS"/><bar/></root>') self._test_expression('*[local-name()="foo"]', None, xml, '<foo xmlns="NS"/>') def test_predicate_namespace(self): xml = XML('<root><foo xmlns="NS"/><bar/></root>') self._test_expression('*[namespace-uri()="NS"]', None, xml, '<foo xmlns="NS"/>') def test_predicate_not_name(self): xml = XML('<root><foo/><bar/></root>') self._test_expression('*[not(name()="foo")]', None, xml, '<bar/>') def test_predicate_attr(self): xml = XML('<root><item/><item important="very"/></root>') self._test_expression('item[@important]', None, xml, '<item important="very"/>') self._test_expression('item[@important="very"]', None, xml, '<item important="very"/>') def test_predicate_attr_equality(self): xml = XML('<root><item/><item important="notso"/></root>') self._test_expression('item[@important="very"]', None, xml, '') self._test_expression('item[@important!="very"]', None, xml, '<item/><item important="notso"/>') def test_predicate_attr_greater_than(self): xml = XML('<root><item priority="3"/></root>') self._test_expression('item[@priority>3]', None, xml, '') self._test_expression('item[@priority>2]', None, xml, '<item priority="3"/>') def test_predicate_attr_less_than(self): xml = XML('<root><item priority="3"/></root>') self._test_expression('item[@priority<3]', None, xml, '') self._test_expression('item[@priority<4]', None, xml, '<item priority="3"/>') def test_predicate_attr_and(self): xml = XML('<root><item/><item important="very"/></root>') self._test_expression('item[@important and @important="very"]', None, xml, '<item important="very"/>') self._test_expression('item[@important and @important="notso"]', None, xml, '') def test_predicate_attr_or(self): xml = XML('<root><item/><item important="very"/></root>') self._test_expression('item[@urgent or @important]', None, xml, '<item important="very"/>') self._test_expression('item[@urgent or @notso]', None, xml, '') def test_predicate_boolean_function(self): xml = XML('<root><foo>bar</foo></root>') self._test_expression('*[boolean("")]', None, xml, '') self._test_expression('*[boolean("yo")]', None, xml, '<foo>bar</foo>') self._test_expression('*[boolean(0)]', None, xml, '') self._test_expression('*[boolean(42)]', None, xml, '<foo>bar</foo>') self._test_expression('*[boolean(false())]', None, xml, '') self._test_expression('*[boolean(true())]', None, xml, '<foo>bar</foo>') def test_predicate_ceil_function(self): xml = XML('<root><foo>bar</foo></root>') self._test_expression('*[ceiling("4.5")=5]', None, xml, '<foo>bar</foo>') def test_predicate_concat_function(self): xml = XML('<root><foo>bar</foo></root>') self._test_expression('*[name()=concat("f", "oo")]', None, xml, '<foo>bar</foo>') def test_predicate_contains_function(self): xml = XML('<root><foo>bar</foo></root>') self._test_expression('*[contains(name(), "oo")]', None, xml, '<foo>bar</foo>') def test_predicate_matches_function(self): xml = XML('<root><foo>bar</foo><bar>foo</bar></root>') self._test_expression('*[matches(name(), "foo|bar")]', None, xml, '<foo>bar</foo><bar>foo</bar>') def test_predicate_false_function(self): xml = XML('<root><foo>bar</foo></root>') self._test_expression('*[false()]', None, xml, '') def test_predicate_floor_function(self): xml = XML('<root><foo>bar</foo></root>') self._test_expression('*[floor("4.5")=4]', None, xml, '<foo>bar</foo>') def test_predicate_normalize_space_function(self): xml = XML('<root><foo>bar</foo></root>') self._test_expression('*[normalize-space(" foo bar ")="foo bar"]', None, xml, '<foo>bar</foo>') def test_predicate_number_function(self): xml = XML('<root><foo>bar</foo></root>') self._test_expression('*[number("3.0")=3]', None, xml, '<foo>bar</foo>') self._test_expression('*[number("3.0")=3.0]', None, xml, '<foo>bar</foo>') self._test_expression('*[number("0.1")=.1]', None, xml, '<foo>bar</foo>') def test_predicate_round_function(self): xml = XML('<root><foo>bar</foo></root>') self._test_expression('*[round("4.4")=4]', None, xml, '<foo>bar</foo>') self._test_expression('*[round("4.6")=5]', None, xml, '<foo>bar</foo>') def test_predicate_starts_with_function(self): xml = XML('<root><foo>bar</foo></root>') self._test_expression('*[starts-with(name(), "f")]', None, xml, '<foo>bar</foo>') self._test_expression('*[starts-with(name(), "b")]', None, xml, '') def test_predicate_string_length_function(self): xml = XML('<root><foo>bar</foo></root>') self._test_expression('*[string-length(name())=3]', None, xml, '<foo>bar</foo>') def test_predicate_substring_function(self): xml = XML('<root><foo>bar</foo></root>') self._test_expression('*[substring(name(), 1)="oo"]', None, xml, '<foo>bar</foo>') self._test_expression('*[substring(name(), 1, 1)="o"]', None, xml, '<foo>bar</foo>') def test_predicate_substring_after_function(self): xml = XML('<root><foo>bar</foo></root>') self._test_expression('*[substring-after(name(), "f")="oo"]', None, xml, '<foo>bar</foo>') def test_predicate_substring_before_function(self): xml = XML('<root><foo>bar</foo></root>') self._test_expression('*[substring-before(name(), "oo")="f"]', None, xml, '<foo>bar</foo>') def test_predicate_translate_function(self): xml = XML('<root><foo>bar</foo></root>') self._test_expression('*[translate(name(), "fo", "ba")="baa"]', None, xml, '<foo>bar</foo>') def test_predicate_true_function(self): xml = XML('<root><foo>bar</foo></root>') self._test_expression('*[true()]', None, xml, '<foo>bar</foo>') def test_predicate_variable(self): xml = XML('<root><foo>bar</foo></root>') variables = {'bar': 'foo'} self._test_expression('*[name()=$bar]', None, xml, '<foo>bar</foo>', variables = variables) def test_predicate_position(self): xml = XML('<root><foo id="a1"/><foo id="a2"/><foo id="a3"/></root>') self._test_expression('*[2]', None, xml, '<foo id="a2"/>') def test_predicate_attr_and_position(self): xml = XML('<root><foo/><foo id="a1"/><foo id="a2"/></root>') self._test_expression('*[@id][2]', None, xml, '<foo id="a2"/>') def test_predicate_position_and_attr(self): xml = XML('<root><foo/><foo id="a1"/><foo id="a2"/></root>') self._test_expression('*[1][@id]', None, xml, '') self._test_expression('*[2][@id]', None, xml, '<foo id="a1"/>') def test_predicate_advanced_position(self): xml = XML('<root><a><b><c><d><e/></d></c></b></a></root>') self._test_expression( 'descendant-or-self::*/' 'descendant-or-self::*/' 'descendant-or-self::*[2]/' 'self::*/descendant::*[3]', None, xml, '<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_expression('//a/b[2]', None, xml, '<b>2</b><b>5</b>') self._test_expression('//a/b[3]', None, xml, '<b>3</b>') def test_name_with_namespace(self): xml = XML('<root xmlns:f="FOO"><f:foo>bar</f:foo></root>') self._test_expression('f:foo', '<Path "child::f:foo">', xml, '<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_expression('f:*', '<Path "child::f:*">', xml, '<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_expression('.[@flag="1"]/*', None, xml, '<li>a</li><li>b</li>') xml = XML('<ul flag="1"><li>a</li><li>b</li></ul>') self._test_expression('.[@flag="0"]/*', None, xml, '') def test_attrname_with_namespace(self): xml = XML('<root xmlns:f="FOO"><foo f:bar="baz"/></root>') self._test_expression('foo[@f:bar]', None, xml, '<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_expression('foo[@f:*]', None, xml, '<foo xmlns:ns1="FOO" ns1:bar="baz"/>', namespaces={'f': 'FOO'}) def test_self_and_descendant(self): xml = XML('<root><foo/></root>') self._test_expression('self::root', None, xml, '<root><foo/></root>') self._test_expression('self::foo', None, xml, '') self._test_expression('descendant::root', None, xml, '') self._test_expression('descendant::foo', None, xml, '<foo/>') self._test_expression('descendant-or-self::root', None, xml, '<root><foo/></root>') self._test_expression('descendant-or-self::foo', None, xml, '<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_expression('//a/b/a/b/a/c', None, xml, '<c>!</c>') self._test_expression('//a/b/a/c', None, xml, '<c>!</c>') self._test_expression('//a/c', None, xml, '<c>!</c>') self._test_expression('//c', None, xml, '<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_expression('a/b/descendant::a/c', None, xml, '<c>!</c>') self._test_expression('a/b/descendant::a/d/descendant::a/c', None, xml, '<c>!</c>') self._test_expression('a/b/descendant::a/d/a/c', None, xml, '') self._test_expression('//d/descendant::b/descendant::b/descendant::b' '/descendant::c', None, xml, '<c>!</c>') self._test_expression('//d/descendant::b/descendant::b/descendant::b' '/descendant::b/descendant::c', None, xml, '') 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 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')