Add name attribute to testsuites root tag in junitxml (#13404)

Fixes #12736

---------

Co-authored-by: maugu <marcin.augustynow@dolby.com>
Co-authored-by: Bruno Oliveira <bruno@soliv.dev>

Author: 3 people

AUTHORS

@@ -275,6 +275,7 @@ Manuel Krebber
 Marc Mueller
 Marc Schlaich
 Marcelo Duarte Trevisani
+Marcin Augustynów
 Marcin Bachry
 Marc Bresson
 Marco Gorelli

changelog/12736.improvement.rst

@@ -0,0 +1,3 @@
+Added a new attribute `name` with the fixed value `"pytest tests"` to the root tag `testsuites` of the junit-xml generated by pytest.
+
+This attribute is part of many junit-xml specifications and is even part of the `junit-10.xsd` specification that pytest's implementation is based on.

src/_pytest/junitxml.py

@@ -670,6 +670,7 @@ def pytest_sessionfinish(self) -> None:
             for node_reporter in self.node_reporters_ordered:
                 suite_node.append(node_reporter.to_xml())
             testsuites = ET.Element("testsuites")
+            testsuites.set("name", "pytest tests")
             testsuites.append(suite_node)
             logfile.write(ET.tostring(testsuites, encoding="unicode"))
 

testing/test_junitxml.py

@@ -1451,6 +1451,7 @@ def test_x():
     _, dom = run_and_parse(family=xunit_family)
     root = dom.get_unique_child
     assert root.tag == "testsuites"
+    root.assert_attr(name="pytest tests")
     suite_node = root.get_unique_child
     assert suite_node.tag == "testsuite"