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-rw-r--r--bs4/tests/test_tree.py237
1 files changed, 237 insertions, 0 deletions
diff --git a/bs4/tests/test_tree.py b/bs4/tests/test_tree.py
index 4dda90e..3f32736 100644
--- a/bs4/tests/test_tree.py
+++ b/bs4/tests/test_tree.py
@@ -1300,3 +1300,240 @@ class TestNavigableStringSubclasses(SoupTest):
soup.insert(1, doctype)
self.assertEqual(soup.encode(), b"<!DOCTYPE foo>\n")
+
+class TestSoupSelector(TreeTest):
+
+ HTML = """<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"
+ "http://www.w3.org/TR/html4/strict.dtd">
+<html>
+<head>
+ <title>The title</title>
+ <link rel="stylesheet" href="blah.css" type="text/css" id="l1">
+</head>
+<body>
+
+<div id="main">
+ <div id="inner">
+ <h1 id="header1">An H1</h1>
+ <p>Some text</p>
+ <p class="onep" id="p1">Some more text</p>
+ <h2 id="header2">An H2</h2>
+ <p class="class1 class2 class3" id="pmulti">Another</p>
+ <a href="http://bob.example.org/" rel="friend met" id="bob">Bob</a>
+ <h2 id="header3">Another H2</h2>
+ <a id="me" href="http://simonwillison.net/" rel="me">me</a>
+ </div>
+ <p lang="en" id="lang-en">English</p>
+ <p lang="en-gb" id="lang-en-gb">English UK</p>
+ <p lang="en-us" id="lang-en-us">English US</p>
+ <p lang="fr" id="lang-fr">French</p>
+</div>
+
+<div id="footer">
+</div>
+
+</body>
+</html>
+"""
+
+ def setUp(self):
+ self.soup = BeautifulSoup(self.HTML)
+
+ def assertSelects(self, selector, expected_ids):
+ el_ids = [el['id'] for el in self.soup.select(selector)]
+ el_ids.sort()
+ expected_ids.sort()
+ self.assertEqual(expected_ids, el_ids,
+ "Selector %s, expected [%s], got [%s]" % (
+ selector, ', '.join(expected_ids), ', '.join(el_ids)
+ )
+ )
+
+ assertSelect = assertSelects
+
+ def assertSelectMultiple(self, *tests):
+ for selector, expected_ids in tests:
+ self.assertSelect(selector, expected_ids)
+
+ def test_one_tag_one(self):
+ els = self.soup.select('title')
+ self.assertEqual(len(els), 1)
+ self.assertEqual(els[0].name, 'title')
+ self.assertEqual(els[0].contents, [u'The title'])
+
+ def test_one_tag_many(self):
+ els = self.soup.select('div')
+ self.assertEqual(len(els), 3)
+ for div in els:
+ self.assertEqual(div.name, 'div')
+
+ def test_tag_in_tag_one(self):
+ els = self.soup.select('div div')
+ self.assertSelects('div div', ['inner'])
+
+ def test_tag_in_tag_many(self):
+ for selector in ('html div', 'html body div', 'body div'):
+ self.assertSelects(selector, ['main', 'inner', 'footer'])
+
+ def test_tag_no_match(self):
+ self.assertEqual(len(self.soup.select('del')), 0)
+
+ def test_invalid_tag(self):
+ self.assertEqual(len(self.soup.select('tag%t')), 0)
+
+ def test_header_tags(self):
+ self.assertSelectMultiple(
+ ('h1', ['header1']),
+ ('h2', ['header2', 'header3']),
+ )
+
+ def test_class_one(self):
+ for selector in ('.onep', 'p.onep', 'html p.onep'):
+ els = self.soup.select(selector)
+ self.assertEqual(len(els), 1)
+ self.assertEqual(els[0].name, 'p')
+ self.assertEqual(els[0]['class'], ['onep'])
+
+ def test_class_mismatched_tag(self):
+ els = self.soup.select('div.onep')
+ self.assertEqual(len(els), 0)
+
+ def test_one_id(self):
+ for selector in ('div#inner', '#inner', 'div div#inner'):
+ self.assertSelects(selector, ['inner'])
+
+ def test_bad_id(self):
+ els = self.soup.select('#doesnotexist')
+ self.assertEqual(len(els), 0)
+
+ def test_items_in_id(self):
+ els = self.soup.select('div#inner p')
+ self.assertEqual(len(els), 3)
+ for el in els:
+ self.assertEqual(el.name, 'p')
+ self.assertEqual(els[1]['class'], ['onep'])
+ self.assertFalse(els[0].has_key('class'))
+
+ def test_a_bunch_of_emptys(self):
+ for selector in ('div#main del', 'div#main div.oops', 'div div#main'):
+ self.assertEqual(len(self.soup.select(selector)), 0)
+
+ def test_multi_class_support(self):
+ for selector in ('.class1', 'p.class1', '.class2', 'p.class2',
+ '.class3', 'p.class3', 'html p.class2', 'div#inner .class2'):
+ self.assertSelects(selector, ['pmulti'])
+
+ def test_attribute_equals(self):
+ self.assertSelectMultiple(
+ ('p[class="onep"]', ['p1']),
+ ('p[id="p1"]', ['p1']),
+ ('[class="onep"]', ['p1']),
+ ('[id="p1"]', ['p1']),
+ ('link[rel="stylesheet"]', ['l1']),
+ ('link[type="text/css"]', ['l1']),
+ ('link[href="blah.css"]', ['l1']),
+ ('link[href="no-blah.css"]', []),
+ ('[rel="stylesheet"]', ['l1']),
+ ('[type="text/css"]', ['l1']),
+ ('[href="blah.css"]', ['l1']),
+ ('[href="no-blah.css"]', []),
+ ('p[href="no-blah.css"]', []),
+ ('[href="no-blah.css"]', []),
+ )
+
+ def test_attribute_tilde(self):
+ self.assertSelectMultiple(
+ ('p[class~="class1"]', ['pmulti']),
+ ('p[class~="class2"]', ['pmulti']),
+ ('p[class~="class3"]', ['pmulti']),
+ ('[class~="class1"]', ['pmulti']),
+ ('[class~="class2"]', ['pmulti']),
+ ('[class~="class3"]', ['pmulti']),
+ ('a[rel~="friend"]', ['bob']),
+ ('a[rel~="met"]', ['bob']),
+ ('[rel~="friend"]', ['bob']),
+ ('[rel~="met"]', ['bob']),
+ )
+
+ def test_attribute_startswith(self):
+ self.assertSelectMultiple(
+ ('[rel^="style"]', ['l1']),
+ ('link[rel^="style"]', ['l1']),
+ ('notlink[rel^="notstyle"]', []),
+ ('[rel^="notstyle"]', []),
+ ('link[rel^="notstyle"]', []),
+ ('link[href^="bla"]', ['l1']),
+ ('a[href^="http://"]', ['bob', 'me']),
+ ('[href^="http://"]', ['bob', 'me']),
+ ('[id^="p"]', ['pmulti', 'p1']),
+ ('[id^="m"]', ['me', 'main']),
+ ('div[id^="m"]', ['main']),
+ ('a[id^="m"]', ['me']),
+ )
+
+ def test_attribute_endswith(self):
+ self.assertSelectMultiple(
+ ('[href$=".css"]', ['l1']),
+ ('link[href$=".css"]', ['l1']),
+ ('link[id$="1"]', ['l1']),
+ ('[id$="1"]', ['l1', 'p1', 'header1']),
+ ('div[id$="1"]', []),
+ ('[id$="noending"]', []),
+ )
+
+ def test_attribute_contains(self):
+ self.assertSelectMultiple(
+ # From test_attribute_startswith
+ ('[rel*="style"]', ['l1']),
+ ('link[rel*="style"]', ['l1']),
+ ('notlink[rel*="notstyle"]', []),
+ ('[rel*="notstyle"]', []),
+ ('link[rel*="notstyle"]', []),
+ ('link[href*="bla"]', ['l1']),
+ ('a[href*="http://"]', ['bob', 'me']),
+ ('[href*="http://"]', ['bob', 'me']),
+ ('[id*="p"]', ['pmulti', 'p1']),
+ ('div[id*="m"]', ['main']),
+ ('a[id*="m"]', ['me']),
+ # From test_attribute_endswith
+ ('[href*=".css"]', ['l1']),
+ ('link[href*=".css"]', ['l1']),
+ ('link[id*="1"]', ['l1']),
+ ('[id*="1"]', ['l1', 'p1', 'header1']),
+ ('div[id*="1"]', []),
+ ('[id*="noending"]', []),
+ # New for this test
+ ('[href*="."]', ['bob', 'me', 'l1']),
+ ('a[href*="."]', ['bob', 'me']),
+ ('link[href*="."]', ['l1']),
+ ('div[id*="n"]', ['main', 'inner']),
+ ('div[id*="nn"]', ['inner']),
+ )
+
+ def test_attribute_exact_or_hypen(self):
+ self.assertSelectMultiple(
+ ('p[lang|="en"]', ['lang-en', 'lang-en-gb', 'lang-en-us']),
+ ('[lang|="en"]', ['lang-en', 'lang-en-gb', 'lang-en-us']),
+ ('p[lang|="fr"]', ['lang-fr']),
+ ('p[lang|="gb"]', []),
+ )
+
+ def test_attribute_exists(self):
+ self.assertSelectMultiple(
+ ('[rel]', ['l1', 'bob', 'me']),
+ ('link[rel]', ['l1']),
+ ('a[rel]', ['bob', 'me']),
+ ('[lang]', ['lang-en', 'lang-en-gb', 'lang-en-us', 'lang-fr']),
+ ('p[class]', ['p1', 'pmulti']),
+ ('[blah]', []),
+ ('p[blah]', []),
+ )
+
+ def test_select_on_element(self):
+ # Other tests operate on the tree; this operates on an element
+ # within the tree.
+ inner = self.soup.find("div", id="main")
+ selected = inner.select("div")
+ # The <div id="inner"> tag was selected. The <div id="footer">
+ # tag was not.
+ self.assertSelectsIDs(selected, ['inner'])
generated by cgit v1.2.3 (git 2.25.1) at 2025-06-27 11:50:05 +0000