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"""Test is selectors."""
from .. import util
from soupsieve import SelectorSyntaxError
class TestIs(util.TestCase):
"""Test is selectors."""
MARKUP = """
<div>
<p>Some text <span id="1"> in a paragraph</span>.
<a id="2" href="http://google.com">Link</a>
</p>
</div>
"""
def test_is(self):
"""Test multiple selectors with "is"."""
self.assert_selector(
self.MARKUP,
":is(span, a)",
["1", "2"],
flags=util.HTML
)
def test_is_multi_comma(self):
"""Test multiple selectors but with an empty slot due to multiple commas."""
self.assert_selector(
self.MARKUP,
":is(span, , a)",
["1", "2"],
flags=util.HTML
)
def test_is_leading_comma(self):
"""Test multiple selectors but with an empty slot due to leading commas."""
self.assert_selector(
self.MARKUP,
":is(, span, a)",
["1", "2"],
flags=util.HTML
)
def test_is_trailing_comma(self):
"""Test multiple selectors but with an empty slot due to trailing commas."""
self.assert_selector(
self.MARKUP,
":is(span, a, )",
["1", "2"],
flags=util.HTML
)
def test_is_empty(self):
"""Test empty `:is()` selector list."""
self.assert_selector(
self.MARKUP,
":is()",
[],
flags=util.HTML
)
def test_nested_is(self):
"""Test multiple nested selectors."""
self.assert_selector(
self.MARKUP,
":is(span, a:is(#\\32))",
["1", "2"],
flags=util.HTML
)
self.assert_selector(
self.MARKUP,
":is(span, a:is(#\\32))",
["1", "2"],
flags=util.HTML
)
def test_is_with_other_pseudo(self):
"""Test `:is()` behavior when paired with `:not()`."""
# Each pseudo class is evaluated separately
# So this will not match
self.assert_selector(
self.MARKUP,
":is(span):not(span)",
[],
flags=util.HTML
)
def test_multiple_is(self):
"""Test `:is()` behavior when paired with `:not()`."""
# Each pseudo class is evaluated separately
# So this will not match
self.assert_selector(
self.MARKUP,
":is(span):is(div)",
[],
flags=util.HTML
)
# Each pseudo class is evaluated separately
# So this will match
self.assert_selector(
self.MARKUP,
":is(a):is(#\\32)",
['2'],
flags=util.HTML
)
def test_invalid_pseudo_class_start_combinator(self):
"""Test invalid start combinator in pseudo-classes other than `:has()`."""
self.assert_raises(':is(> div)', SelectorSyntaxError)
self.assert_raises(':is(div, > div)', SelectorSyntaxError)
def test_invalid_pseudo_orphan_close(self):
"""Test invalid, orphaned pseudo close."""
self.assert_raises('div)', SelectorSyntaxError)
def test_invalid_pseudo_open(self):
"""Test invalid pseudo close."""
self.assert_raises(':is(div', SelectorSyntaxError)
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