implement using of custom parent_item for the pytest session

Author: Roman Plevka

README.rst

@@ -83,6 +83,7 @@ The following parameters are optional:
   by pytest --rp-launch option, default value is 'Pytest Launch')
 - :code:`rp_launch_id = xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx` - id of the existing launch (the session will not handle the lifecycle of the given launch)
 - :code:`rp_launch_attributes = 'PyTest' 'Smoke' 'Env:Python3'` - list of attributes for launch
+- :code:`rp_parent_item_id = xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx` - id of the existing test item for session to use as parent item for the tests (the session will not handle the lifecycle of the given test item)
 - :code:`rp_tests_attributes = 'PyTest' 'Smoke'` - list of attributes that will be added for each item in the launch
 - :code:`rp_launch_description = 'Smoke test'` - launch description (could be overridden
   by pytest --rp-launch-description option, default value is '')

pytest_reportportal/plugin.py

@@ -82,6 +82,7 @@ def pytest_sessionstart(session):
                     'rp_ignore_attributes'),
                 verify_ssl=session.config.getini('rp_verify_ssl'),
                 retries=int(session.config.getini('retries')),
+                parent_item_id=session.config.option.rp_parent_item_id or None,
             )
         except ResponseError as response_error:
             log.warning('Failed to initialize reportportal-client service. '
@@ -202,6 +203,11 @@ def pytest_configure(config):
         if not config.option.rp_rerun:
             config.option.rp_rerun = config.getini('rp_rerun')
 
+    if not config.option.rp_parent_item_id:
+        config.option.rp_parent_item_id = config.getini('rp_parent_item_id')
+    if not config.option.rp_launch_id:
+        config.option.rp_launch_id = config.getini('rp_launch_id')
+
     if is_master(config):
         config.py_test_service = PyTestServiceClass()
     else:
@@ -279,6 +285,13 @@ def pytest_addoption(parser):
         dest='rp_rerun_of',
         help='ID of the launch to be marked as a rerun '
              '(use only with rp_rerun=True)')
+    group.addoption(
+        '--rp-parent-item-id',
+        action='store',
+        dest='rp_parent_item_id',
+        help="Create all test item as child items of the given "
+             "(already existing) item.")
+
     group.addoption(
         '--reportportal',
         action='store_true',
@@ -418,6 +431,12 @@ def pytest_addoption(parser):
         default=True,
         help='Adding tag with issue id to the test')
 
+    parser.addini(
+        'rp_parent_item_id',
+        default=None,
+        help="Create all test item as child items of the given "
+             "(already existing) item.")
+
     parser.addini(
         'retries',
         default='0',

pytest_reportportal/service.py

@@ -142,12 +142,14 @@ def init_service(self,
                      ignored_attributes,
                      verify_ssl=True,
                      custom_launch=None,
+                     parent_item_id=None,
                      retries=0):
         """Update self.rp with the instance of the ReportPortalService."""
         self._errors = queue.Queue()
         if self.rp is None:
             self.ignore_errors = ignore_errors
             self.ignored_attributes = ignored_attributes
+            self.parent_item_id = parent_item_id
             if self.rp_supports_parameters:
                 self.ignored_attributes = list(
                     set(ignored_attributes).union({'parametrize'}))
@@ -298,7 +300,6 @@ def start_pytest_item(self, test_item=None):
         if self.rp is None:
             return
 
-        self.parent_item_id = None
         for part in self._item_parts[test_item]:
             if self._hier_parts[part]["start_flag"]:
                 self.parent_item_id = self._hier_parts[part]["item_id"]