Prepare tests to moving validators to 'openstack/validators.py'

Change-Id: I8ae17f57afdb2129fc39452f19b3c24bbabb53a9

rally/plugins/openstack/context/cleanup/base.py

@@ -20,9 +20,12 @@ from rally.plugins.openstack.cleanup import manager
 
 @validation.configure("check_cleanup_resources")
 class CheckCleanupResourcesValidator(validation.Validator):
-    """Validates that openstack resource managers exist"""
 
     def __init__(self, admin_required):
+        """Validates that openstack resource managers exist
+
+        :param admin_required: describes access level to resource
+        """
         super(CheckCleanupResourcesValidator, self).__init__()
         self.admin_required = admin_required
 

rally/plugins/openstack/context/neutron/lbaas.py

@@ -24,6 +24,7 @@ LOG = logging.getLogger(__name__)
 
 @context.configure(name="lbaas", order=360)
 class Lbaas(context.Context):
+    """Creates a lb-pool for every subnet created in network context."""
     CONFIG_SCHEMA = {
         "type": "object",
         "$schema": consts.JSON_SCHEMA,

rally/plugins/openstack/context/nova/keypairs.py

@@ -25,6 +25,7 @@ LOG = logging.getLogger(__name__)
 
 @context.configure(name="keypair", order=310)
 class Keypair(context.Context):
+    """Create Nova KeyPair for each user."""
 
     # NOTE(andreykurilin): "type" != "null", since we need to support backward
     #   compatibility(previously empty dict was valid) and I hope in near

rally/plugins/openstack/context/swift/objects.py

@@ -25,6 +25,7 @@ LOG = logging.getLogger(__name__)
 
 @context.configure(name="swift_objects", order=360)
 class SwiftObjectGenerator(swift_utils.SwiftObjectMixin, context.Context):
+    """Create containers and objects in each tenant."""
     CONFIG_SCHEMA = {
         "type": "object",
         "$schema": consts.JSON_SCHEMA,

tests/unit/doc/test_docstrings.py

@@ -15,12 +15,11 @@
 
 from rally.common.plugin import info
 from rally.common.plugin import plugin
+from rally.common import validation
 from rally import plugins
+from rally.task import scenario
 from tests.unit import test
 
-EXCEPTIONS_DOCSTR = "missed_docstrings.txt"
-EXCEPTIONS_FORMAT = "wrong_format.txt"
-
 
 class DocstringsTestCase(test.TestCase):
 
@@ -28,39 +27,13 @@ class DocstringsTestCase(test.TestCase):
         super(DocstringsTestCase, self).setUp()
         plugins.load()
 
-        self.exceptions = self._open_file(
+    def _validate_code_block(self, plg_cls, code_block):
-            EXCEPTIONS_DOCSTR) + self._open_file(EXCEPTIONS_FORMAT)
-
-    def _open_file(self, filename):
-        with open("./tests/unit/doc/%s" % filename) as file:
-            return (file.read().lower().split())
-
-    def _check_docstrings(self, msg_buffer):
-        for plg_cls in plugin.Plugin.get_all():
-            if plg_cls.__module__.startswith("rally."):
-                if plg_cls.get_name().lower() not in self.exceptions:
-                    doc = info.parse_docstring(plg_cls.__doc__)
-                    short_description = doc["short_description"]
-                    if short_description.startswith("Test"):
-                        msg_buffer.append("One-line description for %s"
-                                          " should be declarative and not"
-                                          " start with 'Test(s) ...'"
-                                          % plg_cls.__name__)
-                    if not plg_cls.get_info()["title"]:
-                        msg = ("Class '{}' should have a docstring.")
-                        inst_name = plg_cls.__name__
-                        msg_buffer.append(msg.format(inst_name))
-
-    def _check_described_params(self, msg_buffer):
-        for plg_cls in plugin.Plugin.get_all():
-            if plg_cls.get_name().lower() not in self.exceptions:
         ignored_params = ["self", "scenario_obj"]
-                if hasattr(plg_cls, "run"):
-                    code_block = plg_cls.run.__code__
         params_count = code_block.co_argcount
         params = code_block.co_varnames[:params_count]
         param_data = plg_cls.get_info()["parameters"]
         documented_params = [p["name"] for p in param_data]
+        result = []
         for param in params:
             if param not in ignored_params:
                 if param not in documented_params:
@@ -71,16 +44,41 @@ class DocstringsTestCase(test.TestCase):
                            % {"class": plg_cls.__name__,
                               "scenario": plg_cls.get_name(),
                               "param": param})
-                                msg_buffer.append(msg)
+                    result.append(msg)
+        return result
+
+    def _check_docstrings(self, msg_buffer):
+        for plg_cls in plugin.Plugin.get_all():
+            if plg_cls.__module__.startswith("rally."):
+                doc = info.parse_docstring(plg_cls.__doc__)
+                short_description = doc["short_description"]
+                if short_description.startswith("Test"):
+                    msg_buffer.append("One-line description for %s"
+                                      " should be declarative and not"
+                                      " start with 'Test(s) ...'"
+                                      % plg_cls.__name__)
+                if not plg_cls.get_info()["title"]:
+                    msg = "Class '{}.{}' should have a docstring."
+                    msg_buffer.append(msg.format(plg_cls.__module__,
+                                                 plg_cls.__name__))
+
+    def _check_described_params(self, msg_buffer):
+        for plg_cls in plugin.Plugin.get_all():
+            msg = []
+            if hasattr(plg_cls, "run") and issubclass(
+                    plg_cls, scenario.Scenario):
+                msg = self._validate_code_block(plg_cls,
+                                                plg_cls.run.__code__)
+            elif hasattr(plg_cls, "validate") and issubclass(
+                    plg_cls, validation.Validator):
+                msg = self._validate_code_block(plg_cls,
+                                                plg_cls.__init__.__code__)
+            msg_buffer.extend(msg) if len(msg) else None
 
     def test_all_plugins_have_docstrings(self):
-
         msg_buffer = []
         self._check_docstrings(msg_buffer)
-        if msg_buffer:
-            self.fail("\n%s" % "\n".join(msg_buffer))
 
-        msg_buffer = []
         self._check_described_params(msg_buffer)
         if msg_buffer:
             self.fail("\n%s" % "\n".join(msg_buffer))