tests/test_xpath_selector_unit/test: Add test.

8 months ago · ed2aaf4cab
parent 879d0b2c06
commit ed2aaf4cab
1 changed files with 24 additions and 0 deletions
--- a/changedetectionio/tests/test_xpath_selector_unit.py
+++ b/changedetectionio/tests/test_xpath_selector_unit.py
@ -201,3 +201,27 @@ def test_trips(html_content, xpath, answer):
    html_content = html_tools.xpath_filter(xpath, html_content, append_pretty_line_formatting=True)
    assert type(html_content) == str
    assert answer in html_content
+
+DOM_violation_two_html_root_element = ="""<!DOCTYPE html>
+<html>
+  <body>
+    <h1>Hello absurd world</h1>
+    <p>First paragraph.</p>
+  </body>
+</html>
+<html>
+  <body>
+    <h1>Hello absurd world</h1>
+    <p>Browsers parse this part by fixing it but lxml doesn't and returns two root element node</p>
+    <p>Therefore, if the path is /html/body/p[1], lxml(libxml2) returns two element nodes not one.</p>
+  </body>
+</html>"""
+
+@pytest.mark.parametrize("html_content", [DOM_violation_two_html_root_element])
+@pytest.mark.parametrize("xpath, answer", [
+    ("/html/body/p[1]", "Browsers parse this part by fixing it but lxml doesn't and returns two root element node"),
+                          ])
+def test_trips(html_content, xpath, answer):
+    html_content = html_tools.xpath_filter(xpath, html_content, append_pretty_line_formatting=True)
+    assert type(html_content) == str
+    assert answer not in html_content