Change to always parsing classes from test_id

Currently only v1 correctly parses out the class information from the test_id.
This changes the default behavior to always parse the class and module from test_id.

Closes-Bug: #1517229

Change-Id: I6340797064f9289a7e861f853c42a763c5f5e2c2

os_testr/subunit2html.py

@@ -633,10 +633,10 @@ class HtmlOutput(testtools.TestResult):
             test = test.test
         if test.__class__ == subunit.RemotedTestCase:
             cl = test._RemotedTestCase__description.rsplit('.', 1)[0]
-            mod = cl.rsplit('.', 1)[0]
-            cls = ClassInfoWrapper(cl, mod)
         else:
-            cls = ClassInfoWrapper(str(test.__class__), str(test.__module__))
+            cl = test.id().rsplit('.', 1)[0]
+        mod = cl.rsplit('.', 1)[0]
+        cls = ClassInfoWrapper(cl, mod)
         if not str(cls) in rmap:
             rmap[str(cls)] = []
             classes.append(cls)

os_testr/tests/test_subunit2html.py

@@ -0,0 +1,31 @@
+# Licensed under the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License. You may obtain
+# a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+
+from ddt import data
+from ddt import ddt
+from subunit import RemotedTestCase
+from testtools import PlaceHolder
+
+from os_testr import subunit2html
+from os_testr.tests import base
+
+
+@ddt
+class TestSubunit2html(base.TestCase):
+    @data(RemotedTestCase, PlaceHolder)
+    def test_class_parsing(self, test_cls):
+        """Tests that the class paths are parsed for v1 & v2 tests"""
+        test_ = test_cls("example.path.to.test.method")
+        obj_ = subunit2html.HtmlOutput()
+        cls_ = []
+        obj_._add_cls({}, cls_, test_, ())
+        self.assertEqual("example.path.to.test", cls_[0].name)