mirror of https://gitlab.com/octtspacc/staticoso
145 lines
5.0 KiB
Python
145 lines
5.0 KiB
Python
import pytest
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from bs4.element import (
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CData,
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Comment,
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Declaration,
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Doctype,
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NavigableString,
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RubyParenthesisString,
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RubyTextString,
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Script,
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Stylesheet,
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TemplateString,
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)
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from . import SoupTest
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class TestNavigableString(SoupTest):
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def test_text_acquisition_methods(self):
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# These methods are intended for use against Tag, but they
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# work on NavigableString as well,
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s = NavigableString("fee ")
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cdata = CData("fie ")
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comment = Comment("foe ")
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assert "fee " == s.get_text()
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assert "fee" == s.get_text(strip=True)
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assert ["fee "] == list(s.strings)
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assert ["fee"] == list(s.stripped_strings)
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assert ["fee "] == list(s._all_strings())
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assert "fie " == cdata.get_text()
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assert "fie" == cdata.get_text(strip=True)
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assert ["fie "] == list(cdata.strings)
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assert ["fie"] == list(cdata.stripped_strings)
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assert ["fie "] == list(cdata._all_strings())
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# Since a Comment isn't normally considered 'text',
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# these methods generally do nothing.
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assert "" == comment.get_text()
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assert [] == list(comment.strings)
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assert [] == list(comment.stripped_strings)
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assert [] == list(comment._all_strings())
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# Unless you specifically say that comments are okay.
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assert "foe" == comment.get_text(strip=True, types=Comment)
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assert "foe " == comment.get_text(types=(Comment, NavigableString))
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def test_string_has_immutable_name_property(self):
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# string.name is defined as None and can't be modified
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string = self.soup("s").string
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assert None == string.name
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with pytest.raises(AttributeError):
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string.name = 'foo'
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class TestNavigableStringSubclasses(SoupTest):
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def test_cdata(self):
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# None of the current builders turn CDATA sections into CData
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# objects, but you can create them manually.
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soup = self.soup("")
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cdata = CData("foo")
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soup.insert(1, cdata)
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assert str(soup) == "<![CDATA[foo]]>"
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assert soup.find(string="foo") == "foo"
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assert soup.contents[0] == "foo"
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def test_cdata_is_never_formatted(self):
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"""Text inside a CData object is passed into the formatter.
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But the return value is ignored.
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"""
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self.count = 0
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def increment(*args):
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self.count += 1
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return "BITTER FAILURE"
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soup = self.soup("")
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cdata = CData("<><><>")
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soup.insert(1, cdata)
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assert b"<![CDATA[<><><>]]>" == soup.encode(formatter=increment)
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assert 1 == self.count
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def test_doctype_ends_in_newline(self):
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# Unlike other NavigableString subclasses, a DOCTYPE always ends
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# in a newline.
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doctype = Doctype("foo")
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soup = self.soup("")
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soup.insert(1, doctype)
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assert soup.encode() == b"<!DOCTYPE foo>\n"
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def test_declaration(self):
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d = Declaration("foo")
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assert "<?foo?>" == d.output_ready()
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def test_default_string_containers(self):
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# In some cases, we use different NavigableString subclasses for
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# the same text in different tags.
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soup = self.soup(
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"<div>text</div><script>text</script><style>text</style>"
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)
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assert [NavigableString, Script, Stylesheet] == [
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x.__class__ for x in soup.find_all(string=True)
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]
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# The TemplateString is a little unusual because it's generally found
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# _inside_ children of a <template> element, not a direct child of the
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# <template> element.
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soup = self.soup(
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"<template>Some text<p>In a tag</p></template>Some text outside"
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)
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assert all(
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isinstance(x, TemplateString)
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for x in soup.template._all_strings(types=None)
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)
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# Once the <template> tag closed, we went back to using
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# NavigableString.
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outside = soup.template.next_sibling
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assert isinstance(outside, NavigableString)
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assert not isinstance(outside, TemplateString)
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# The TemplateString is also unusual because it can contain
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# NavigableString subclasses of _other_ types, such as
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# Comment.
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markup = b"<template>Some text<p>In a tag</p><!--with a comment--></template>"
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soup = self.soup(markup)
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assert markup == soup.template.encode("utf8")
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def test_ruby_strings(self):
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markup = "<ruby>漢 <rp>(</rp><rt>kan</rt><rp>)</rp> 字 <rp>(</rp><rt>ji</rt><rp>)</rp></ruby>"
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soup = self.soup(markup)
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assert isinstance(soup.rp.string, RubyParenthesisString)
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assert isinstance(soup.rt.string, RubyTextString)
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# Just as a demo, here's what this means for get_text usage.
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assert "漢字" == soup.get_text(strip=True)
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assert "漢(kan)字(ji)" == soup.get_text(
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strip=True,
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types=(NavigableString, RubyTextString, RubyParenthesisString)
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)
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