From 8057c858ba971925e8d54a823480d22834c6368c Mon Sep 17 00:00:00 2001
From: doe1080 <98906116+doe1080@users.noreply.github.com>
Date: Sat, 10 May 2025 12:43:44 +0900
Subject: [PATCH] add test

---
 test/test_utils.py | 29 +++++++++++++++++++++++++++++
 1 file changed, 29 insertions(+)

diff --git a/test/test_utils.py b/test/test_utils.py
index aedb565ec1..87aba41350 100644
--- a/test/test_utils.py
+++ b/test/test_utils.py
@@ -1786,6 +1786,9 @@ def test_get_element_html_by_class(self):
     GET_ELEMENT_BY_ATTRIBUTE_TEST_STRING = '''
         <div itemprop="author" itemscope>foo</div>
     '''
+    VOID_ELEMENT_TEST_STRING = '''
+        <img alt="foo" src="bar.png"><img alt="foobar" src="baz.jpg"><img alt="foo"/>
+    '''
 
     def test_get_element_by_attribute(self):
         html = self.GET_ELEMENT_BY_CLASS_TEST_STRING
@@ -1798,6 +1801,10 @@ def test_get_element_by_attribute(self):
 
         self.assertEqual(get_element_by_attribute('itemprop', 'author', html), 'foo')
 
+        html = self.VOID_ELEMENT_TEST_STRING
+
+        self.assertEqual(get_element_by_attribute('alt', 'foo', html), '')
+
     def test_get_element_html_by_attribute(self):
         html = self.GET_ELEMENT_BY_CLASS_TEST_STRING
 
@@ -1809,6 +1816,10 @@ def test_get_element_html_by_attribute(self):
 
         self.assertEqual(get_element_html_by_attribute('itemprop', 'author', html), html.strip())
 
+        html = self.VOID_ELEMENT_TEST_STRING
+
+        self.assertEqual(get_element_html_by_attribute('alt', 'foo', html), '<img alt="foo" src="bar.png">')
+
     GET_ELEMENTS_BY_CLASS_TEST_STRING = '''
         <span class="foo bar">nice</span><span class="foo bar">also nice</span>
     '''
@@ -1833,6 +1844,10 @@ def test_get_elements_by_attribute(self):
         self.assertEqual(get_elements_by_attribute('class', 'foo', html), [])
         self.assertEqual(get_elements_by_attribute('class', 'no-such-foo', html), [])
 
+        html = self.VOID_ELEMENT_TEST_STRING
+
+        self.assertEqual(get_elements_by_attribute('alt', 'foo', html), ['', ''])
+
     def test_get_elements_html_by_attribute(self):
         html = self.GET_ELEMENTS_BY_CLASS_TEST_STRING
 
@@ -1840,6 +1855,11 @@ def test_get_elements_html_by_attribute(self):
         self.assertEqual(get_elements_html_by_attribute('class', 'foo', html), [])
         self.assertEqual(get_elements_html_by_attribute('class', 'no-such-foo', html), [])
 
+        html = self.VOID_ELEMENT_TEST_STRING
+
+        self.assertEqual(get_elements_html_by_attribute(
+            'alt', 'foo', html), ['<img alt="foo" src="bar.png">', '<img alt="foo"/>'])
+
     def test_get_elements_text_and_html_by_attribute(self):
         html = self.GET_ELEMENTS_BY_CLASS_TEST_STRING
 
@@ -1852,6 +1872,11 @@ def test_get_elements_text_and_html_by_attribute(self):
         self.assertEqual(list(get_elements_text_and_html_by_attribute(
             'class', 'foo', '<a class="foo">nice</a><span class="foo">nice</span>', tag='a')), [('nice', '<a class="foo">nice</a>')])
 
+        html = self.VOID_ELEMENT_TEST_STRING
+
+        self.assertEqual(list(get_elements_text_and_html_by_attribute(
+            'alt', 'foo', html, tag='img')), [('', '<img alt="foo" src="bar.png">'), ('', '<img alt="foo"/>')])
+
     GET_ELEMENT_BY_TAG_TEST_STRING = '''
     random text lorem ipsum</p>
     <div>
@@ -1880,6 +1905,10 @@ def test_get_element_text_and_html_by_tag(self):
             (self.GET_ELEMENT_BY_TAG_RES_INNERSPAN_TEXT, self.GET_ELEMENT_BY_TAG_RES_INNERSPAN_HTML))
         self.assertRaises(compat_HTMLParseError, get_element_text_and_html_by_tag, 'article', html)
 
+        html = self.VOID_ELEMENT_TEST_STRING
+
+        self.assertEqual(get_element_text_and_html_by_tag('img', html), ('', '<img alt="foo" src="bar.png">'))
+
     def test_iri_to_uri(self):
         self.assertEqual(
             iri_to_uri('https://www.google.com/search?q=foo&ie=utf-8&oe=utf-8&client=firefox-b'),