Mercurial > repos > shellac > sam_consensus_v3

diff env/lib/python3.9/site-packages/bs4/tests/test_html5lib.py @ 0:4f3585e2f14b draft default tip
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
author: shellac
date: Mon, 22 Mar 2021 18:12:50 +0000
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/env/lib/python3.9/site-packages/bs4/tests/test_html5lib.py	Mon Mar 22 18:12:50 2021 +0000
@@ -0,0 +1,190 @@
+"""Tests to ensure that the html5lib tree builder generates good trees."""
+
+import warnings
+
+try:
+    from bs4.builder import HTML5TreeBuilder
+    HTML5LIB_PRESENT = True
+except ImportError as e:
+    HTML5LIB_PRESENT = False
+from bs4.element import SoupStrainer
+from bs4.testing import (
+    HTML5TreeBuilderSmokeTest,
+    SoupTest,
+    skipIf,
+)
+
+@skipIf(
+    not HTML5LIB_PRESENT,
+    "html5lib seems not to be present, not testing its tree builder.")
+class HTML5LibBuilderSmokeTest(SoupTest, HTML5TreeBuilderSmokeTest):
+    """See ``HTML5TreeBuilderSmokeTest``."""
+
+    @property
+    def default_builder(self):
+        return HTML5TreeBuilder
+
+    def test_soupstrainer(self):
+        # The html5lib tree builder does not support SoupStrainers.
+        strainer = SoupStrainer("b")
+        markup = "<p>A <b>bold</b> statement.</p>"
+        with warnings.catch_warnings(record=True) as w:
+            soup = self.soup(markup, parse_only=strainer)
+        self.assertEqual(
+            soup.decode(), self.document_for(markup))
+
+        self.assertTrue(
+            "the html5lib tree builder doesn't support parse_only" in
+            str(w[0].message))
+
+    def test_correctly_nested_tables(self):
+        """html5lib inserts <tbody> tags where other parsers don't."""
+        markup = ('<table id="1">'
+                  '<tr>'
+                  "<td>Here's another table:"
+                  '<table id="2">'
+                  '<tr><td>foo</td></tr>'
+                  '</table></td>')
+
+        self.assertSoupEquals(
+            markup,
+            '<table id="1"><tbody><tr><td>Here\'s another table:'
+            '<table id="2"><tbody><tr><td>foo</td></tr></tbody></table>'
+            '</td></tr></tbody></table>')
+
+        self.assertSoupEquals(
+            "<table><thead><tr><td>Foo</td></tr></thead>"
+            "<tbody><tr><td>Bar</td></tr></tbody>"
+            "<tfoot><tr><td>Baz</td></tr></tfoot></table>")
+
+    def test_xml_declaration_followed_by_doctype(self):
+        markup = '''<?xml version="1.0" encoding="utf-8"?>
+<!DOCTYPE html>
+<html>
+  <head>
+  </head>
+  <body>
+   <p>foo</p>
+  </body>
+</html>'''
+        soup = self.soup(markup)
+        # Verify that we can reach the <p> tag; this means the tree is connected.
+        self.assertEqual(b"<p>foo</p>", soup.p.encode())
+
+    def test_reparented_markup(self):
+        markup = '<p><em>foo</p>\n<p>bar<a></a></em></p>'
+        soup = self.soup(markup)
+        self.assertEqual("<body><p><em>foo</em></p><em>\n</em><p><em>bar<a></a></em></p></body>", soup.body.decode())
+        self.assertEqual(2, len(soup.find_all('p')))
+
+
+    def test_reparented_markup_ends_with_whitespace(self):
+        markup = '<p><em>foo</p>\n<p>bar<a></a></em></p>\n'
+        soup = self.soup(markup)
+        self.assertEqual("<body><p><em>foo</em></p><em>\n</em><p><em>bar<a></a></em></p>\n</body>", soup.body.decode())
+        self.assertEqual(2, len(soup.find_all('p')))
+
+    def test_reparented_markup_containing_identical_whitespace_nodes(self):
+        """Verify that we keep the two whitespace nodes in this
+        document distinct when reparenting the adjacent <tbody> tags.
+        """
+        markup = '<table> <tbody><tbody><ims></tbody> </table>'
+        soup = self.soup(markup)
+        space1, space2 = soup.find_all(string=' ')
+        tbody1, tbody2 = soup.find_all('tbody')
+        assert space1.next_element is tbody1
+        assert tbody2.next_element is space2
+
+    def test_reparented_markup_containing_children(self):
+        markup = '<div><a>aftermath<p><noscript>target</noscript>aftermath</a></p></div>'
+        soup = self.soup(markup)
+        noscript = soup.noscript
+        self.assertEqual("target", noscript.next_element)
+        target = soup.find(string='target')
+
+        # The 'aftermath' string was duplicated; we want the second one.
+        final_aftermath = soup.find_all(string='aftermath')[-1]
+
+        # The <noscript> tag was moved beneath a copy of the <a> tag,
+        # but the 'target' string within is still connected to the
+        # (second) 'aftermath' string.
+        self.assertEqual(final_aftermath, target.next_element)
+        self.assertEqual(target, final_aftermath.previous_element)
+        
+    def test_processing_instruction(self):
+        """Processing instructions become comments."""
+        markup = b"""<?PITarget PIContent?>"""
+        soup = self.soup(markup)
+        assert str(soup).startswith("<!--?PITarget PIContent?-->")
+
+    def test_cloned_multivalue_node(self):
+        markup = b"""<a class="my_class"><p></a>"""
+        soup = self.soup(markup)
+        a1, a2 = soup.find_all('a')
+        self.assertEqual(a1, a2)
+        assert a1 is not a2
+
+    def test_foster_parenting(self):
+        markup = b"""<table><td></tbody>A"""
+        soup = self.soup(markup)
+        self.assertEqual("<body>A<table><tbody><tr><td></td></tr></tbody></table></body>", soup.body.decode())
+
+    def test_extraction(self):
+        """
+        Test that extraction does not destroy the tree.
+
+        https://bugs.launchpad.net/beautifulsoup/+bug/1782928
+        """
+
+        markup = """
+<html><head></head>
+<style>
+</style><script></script><body><p>hello</p></body></html>
+"""
+        soup = self.soup(markup)
+        [s.extract() for s in soup('script')]
+        [s.extract() for s in soup('style')]
+
+        self.assertEqual(len(soup.find_all("p")), 1)
+
+    def test_empty_comment(self):
+        """
+        Test that empty comment does not break structure.
+
+        https://bugs.launchpad.net/beautifulsoup/+bug/1806598
+        """
+
+        markup = """
+<html>
+<body>
+<form>
+<!----><input type="text">
+</form>
+</body>
+</html>
+"""
+        soup = self.soup(markup)
+        inputs = []
+        for form in soup.find_all('form'):
+            inputs.extend(form.find_all('input'))
+        self.assertEqual(len(inputs), 1)
+
+    def test_tracking_line_numbers(self):
+        # The html.parser TreeBuilder keeps track of line number and
+        # position of each element.
+        markup = "\n   <p>\n\n<sourceline>\n<b>text</b></sourceline><sourcepos></p>"
+        soup = self.soup(markup)
+        self.assertEqual(2, soup.p.sourceline)
+        self.assertEqual(5, soup.p.sourcepos)
+        self.assertEqual("sourceline", soup.p.find('sourceline').name)
+
+        # You can deactivate this behavior.
+        soup = self.soup(markup, store_line_numbers=False)
+        self.assertEqual("sourceline", soup.p.sourceline.name)
+        self.assertEqual("sourcepos", soup.p.sourcepos.name)
+
+    def test_special_string_containers(self):
+        # The html5lib tree builder doesn't support this standard feature,
+        # because there's no way of knowing, when a string is created,
+        # where in the tree it will eventually end up.
+        pass
author	shellac
date	Mon, 22 Mar 2021 18:12:50 +0000
parents
children