def test_predicate_attr_equality(self): xml = XML('<root><item/><item important="notso"/></root>') path = Path('item[@important="very"]') self.assertEqual('', path.select(xml).render()) path = Path('item[@important!="very"]') self.assertEqual('<item/><item important="notso"/>', path.select(xml).render())
def test_predicate_number_function(self): xml = XML('<root><foo>bar</foo></root>') path = Path('*[number("3.0")=3]') self.assertEqual('<foo>bar</foo>', path.select(xml).render()) path = Path('*[number("3.0")=3.0]') self.assertEqual('<foo>bar</foo>', path.select(xml).render()) path = Path('*[number("0.1")=.1]') self.assertEqual('<foo>bar</foo>', path.select(xml).render())
def test_1step_self(self): xml = XML('<root><elem/></root>') path = Path('.') self.assertEqual('<Path "self::node()">', repr(path)) self.assertEqual('<root><elem/></root>', path.select(xml).render()) path = Path('self::node()') self.assertEqual('<Path "self::node()">', repr(path)) self.assertEqual('<root><elem/></root>', path.select(xml).render())
def test_3step_complex(self): xml = XML('<root><foo><bar/></foo></root>') path = Path('*/bar') self.assertEqual('<Path "child::*/child::bar">', repr(path)) self.assertEqual('<bar/>', path.select(xml).render()) xml = XML('<root><foo><bar id="1"/></foo><bar id="2"/></root>') path = Path('//bar') self.assertEqual('<Path "descendant-or-self::node()/child::bar">', repr(path)) self.assertEqual('<bar id="1"/><bar id="2"/>', path.select(xml).render())
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>') path = Path('.[@flag="1"]/*') self.assertEqual('<li>a</li><li>b</li>', path.select(xml).render()) xml = XML('<ul flag="1"><li>a</li><li>b</li></ul>') path = Path('.[@flag="0"]/*') self.assertEqual('', path.select(xml).render())
def test_1step_attribute(self): path = Path('@foo') self.assertEqual('<Path "attribute::foo">', repr(path)) xml = XML('<root/>') self.assertEqual('', path.select(xml).render()) xml = XML('<root foo="bar"/>') self.assertEqual('bar', path.select(xml).render()) path = Path('./@foo') self.assertEqual('<Path "self::node()/attribute::foo">', repr(path)) self.assertEqual('bar', path.select(xml).render())
def test_node_type_processing_instruction(self): xml = XML('<?python x = 2 * 3 ?><root><?php echo("x") ?></root>') path = Path('processing-instruction()') self.assertEqual('<Path "child::processing-instruction()">', repr(path)) self.assertEqual('<?python x = 2 * 3 ?><?php echo("x") ?>', path.select(xml).render()) path = Path('processing-instruction("php")') self.assertEqual('<Path "child::processing-instruction(\"php\")">', repr(path)) self.assertEqual('<?php echo("x") ?>', path.select(xml).render())
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 test_attrwildcard_with_namespace(self): xml = XML('<root xmlns:f="FOO"><foo f:bar="baz"/></root>') path = Path('foo[@f:*]') self.assertEqual('<foo xmlns:ns1="FOO" ns1:bar="baz"/>', path.select(xml, namespaces={ 'f': 'FOO' }).render())
def test_wildcard_with_namespace(self): xml = XML('<root xmlns:f="FOO"><f:foo>bar</f:foo></root>') path = Path('f:*') self.assertEqual('<Path "child::f:*">', repr(path)) namespaces = {'f': 'FOO'} self.assertEqual('<foo xmlns="FOO">bar</foo>', path.select(xml, namespaces=namespaces).render())
def test_attr_selection(self): xml = XML('<root><foo bar="abc"></foo></root>') path = Path('foo/@bar') result = path.select(xml) self.assertEqual(list(result), [ Attrs([(QName('bar'), u'abc')]) ])
def test_attr_selection_with_namespace(self): xml = XML('<root xmlns:ns1="http://example.com">' '<foo ns1:bar="abc"></foo>' '</root>') path = Path('foo/@ns1:bar') result = path.select(xml, namespaces={'ns1': 'http://example.com'}) self.assertEqual(list(result), [Attrs([(QName('http://example.com}bar'), 'abc')])])
def test_2step_complex(self): xml = XML('<root><foo><bar/></foo></root>') path = Path('foo/bar') self.assertEqual('<Path "child::foo/child::bar">', repr(path)) self.assertEqual('<bar/>', path.select(xml).render()) path = Path('./bar') self.assertEqual('<Path "self::node()/child::bar">', repr(path)) self.assertEqual('', path.select(xml).render()) path = Path('foo/*') self.assertEqual('<Path "child::foo/child::*">', repr(path)) self.assertEqual('<bar/>', path.select(xml).render()) xml = XML('<root><foo><bar id="1"/></foo><bar id="2"/></root>') path = Path('./bar') self.assertEqual('<Path "self::node()/child::bar">', repr(path)) self.assertEqual('<bar id="2"/>', path.select(xml).render())
def test_1step_wildcard(self): xml = XML('<root><elem/></root>') path = Path('*') self.assertEqual('<Path "child::*">', repr(path)) self.assertEqual('<elem/>', path.select(xml).render()) path = Path('child::*') self.assertEqual('<Path "child::*">', repr(path)) self.assertEqual('<elem/>', path.select(xml).render()) path = Path('child::node()') self.assertEqual('<Path "child::node()">', repr(path)) self.assertEqual('<elem/>', Path('child::node()').select(xml).render()) path = Path('//*') self.assertEqual('<Path "descendant-or-self::node()/child::*">', repr(path)) self.assertEqual('<root><elem/></root>', path.select(xml).render())
def test_attr_selection_with_namespace(self): xml = XML( '<root xmlns:ns1="http://example.com">' '<foo ns1:bar="abc"></foo>' '</root>') path = Path('foo/@ns1:bar') result = path.select(xml, namespaces={'ns1': 'http://example.com'}) self.assertEqual(list(result), [ Attrs([(QName('http://example.com}bar'), u'abc')]) ])
def test_1step(self): xml = XML('<root><elem/></root>') path = Path('elem') self.assertEqual('<Path "child::elem">', repr(path)) self.assertEqual('<elem/>', path.select(xml).render()) path = Path('child::elem') self.assertEqual('<Path "child::elem">', repr(path)) self.assertEqual('<elem/>', path.select(xml).render()) path = Path('//elem') self.assertEqual('<Path "descendant-or-self::node()/child::elem">', repr(path)) self.assertEqual('<elem/>', path.select(xml).render()) path = Path('descendant::elem') self.assertEqual('<Path "descendant::elem">', repr(path)) self.assertEqual('<elem/>', path.select(xml).render())
def test_1step_wildcard(self): xml = XML('<root><elem/></root>') path = Path('*') self.assertEqual('<Path "child::*">', repr(path)) self.assertEqual('<elem/>', path.select(xml).render()) path = Path('child::*') self.assertEqual('<Path "child::*">', repr(path)) self.assertEqual('<elem/>', path.select(xml).render()) path = Path('child::node()') self.assertEqual('<Path "child::node()">', repr(path)) self.assertEqual('<elem/>', Path('child::node()').select(xml).render()) path = Path('//*') self.assertEqual('<Path "descendant-or-self::node()/child::*">', repr(path)) self.assertEqual('<elem/>', path.select(xml).render())
def test_1step_text(self): xml = XML('<root>Hey</root>') path = Path('text()') self.assertEqual('<Path "child::text()">', repr(path)) self.assertEqual('Hey', path.select(xml).render()) path = Path('./text()') self.assertEqual('<Path "self::node()/child::text()">', repr(path)) self.assertEqual('Hey', path.select(xml).render()) path = Path('//text()') self.assertEqual('<Path "descendant-or-self::node()/child::text()">', repr(path)) self.assertEqual('Hey', path.select(xml).render()) path = Path('.//text()') self.assertEqual('<Path "self::node()/descendant-or-self::node()/child::text()">', repr(path)) self.assertEqual('Hey', path.select(xml).render())
def test_2step_text(self): xml = XML('<root><item>Foo</item></root>') path = Path('item/text()') self.assertEqual('<Path "child::item/child::text()">', repr(path)) self.assertEqual('Foo', path.select(xml).render()) path = Path('*/text()') self.assertEqual('<Path "child::*/child::text()">', repr(path)) self.assertEqual('Foo', path.select(xml).render()) path = Path('//text()') self.assertEqual('<Path "descendant-or-self::node()/child::text()">', repr(path)) self.assertEqual('Foo', path.select(xml).render()) path = Path('./text()') self.assertEqual('<Path "self::node()/child::text()">', repr(path)) self.assertEqual('', path.select(xml).render()) xml = XML('<root><item>Foo</item><item>Bar</item></root>') path = Path('item/text()') self.assertEqual('<Path "child::item/child::text()">', repr(path)) self.assertEqual('FooBar', path.select(xml).render()) xml = XML('<root><item>Foo</item><item>Bar</item></root>') self.assertEqual('FooBar', path.select(xml).render())
def test_predicate_boolean_function(self): xml = XML('<root><foo>bar</foo></root>') path = Path('*[boolean("")]') self.assertEqual('', path.select(xml).render()) path = Path('*[boolean("yo")]') self.assertEqual('<foo>bar</foo>', path.select(xml).render()) path = Path('*[boolean(0)]') self.assertEqual('', path.select(xml).render()) path = Path('*[boolean(42)]') self.assertEqual('<foo>bar</foo>', path.select(xml).render()) path = Path('*[boolean(false())]') self.assertEqual('', path.select(xml).render()) path = Path('*[boolean(true())]') self.assertEqual('<foo>bar</foo>', path.select(xml).render())
def test_predicate_string_length_function(self): xml = XML('<root><foo>bar</foo></root>') path = Path('*[string-length(name())=3]') self.assertEqual('<foo>bar</foo>', path.select(xml).render())
def test_predicate_position_and_attr(self): xml = XML('<root><foo/><foo id="a1"/><foo id="a2"/></root>') path = Path('*[1][@id]') self.assertEqual('', path.select(xml).render()) path = Path('*[2][@id]') self.assertEqual('<foo id="a1"/>', path.select(xml).render())
def test_predicate_translate_function(self): xml = XML('<root><foo>bar</foo></root>') path = Path('*[translate(name(), "fo", "ba")="baa"]') self.assertEqual('<foo>bar</foo>', path.select(xml).render())
def test_predicate_position(self): xml = XML('<root><foo id="a1"/><foo id="a2"/><foo id="a3"/></root>') path = Path('*[2]') self.assertEqual('<foo id="a2"/>', path.select(xml).render())
def test_predicate_true_function(self): xml = XML('<root><foo>bar</foo></root>') path = Path('*[true()]') self.assertEqual('<foo>bar</foo>', path.select(xml).render())
def test_predicate_substring_before_function(self): xml = XML('<root><foo>bar</foo></root>') path = Path('*[substring-before(name(), "oo")="f"]') self.assertEqual('<foo>bar</foo>', path.select(xml).render())
def test_predicate_attr_or(self): xml = XML('<root><item/><item important="very"/></root>') path = Path('item[@urgent or @important]') self.assertEqual('<item important="very"/>', path.select(xml).render()) path = Path('item[@urgent or @notso]') self.assertEqual('', path.select(xml).render())
def test_predicate_floor_function(self): xml = XML('<root><foo>bar</foo></root>') path = Path('*[floor("4.5")=4]') self.assertEqual('<foo>bar</foo>', path.select(xml).render())
def test_predicate_normalize_space_function(self): xml = XML('<root><foo>bar</foo></root>') path = Path('*[normalize-space(" foo bar ")="foo bar"]') self.assertEqual('<foo>bar</foo>', path.select(xml).render())
def test_predicate_round_function(self): xml = XML('<root><foo>bar</foo></root>') path = Path('*[round("4.4")=4]') self.assertEqual('<foo>bar</foo>', path.select(xml).render()) path = Path('*[round("4.6")=5]') self.assertEqual('<foo>bar</foo>', path.select(xml).render())
def test_predicate_contains_function(self): xml = XML('<root><foo>bar</foo></root>') path = Path('*[contains(name(), "oo")]') self.assertEqual('<foo>bar</foo>', path.select(xml).render())
def test_predicate_variable(self): xml = XML('<root><foo>bar</foo></root>') path = Path('*[name()=$bar]') variables = {'bar': 'foo'} self.assertEqual('<foo>bar</foo>', path.select(xml, variables=variables).render())
def test_predicate_matches_function(self): xml = XML('<root><foo>bar</foo><bar>foo</bar></root>') path = Path('*[matches(name(), "foo|bar")]') self.assertEqual('<foo>bar</foo><bar>foo</bar>', path.select(xml).render())
def test_attrwildcard_with_namespace(self): xml = XML('<root xmlns:f="FOO"><foo f:bar="baz"/></root>') path = Path('foo[@f:*]') self.assertEqual('<foo xmlns:ns1="FOO" ns1:bar="baz"/>', path.select(xml, namespaces={'f': 'FOO'}).render())
def test_predicate_starts_with_function(self): xml = XML('<root><foo>bar</foo></root>') path = Path('*[starts-with(name(), "f")]') self.assertEqual('<foo>bar</foo>', path.select(xml).render()) path = Path('*[starts-with(name(), "b")]') self.assertEqual('', path.select(xml).render())