Integration Testing: tox env, pyxld 2.2.3, and revamp framework

Massive update to clean up and greatly enhance the integration testing
framework developed by Wesley Wiedenmeier.

 - Updated tox environment to run integration test 'citest' to utilize
   pylxd 2.2.3
 - Add support for distro feature flags
   - add framework for feature flags to release config with feature groups
     and overrides allowed in any release conf override level
   - add support for feature flags in platform and config handling
   - during collect, skip testcases that require features not supported by
     the image with a warning message
 - Enable additional distros (i.e. centos, debian)
 - Add 'bddeb' command to build a deb from the current working tree
   cleanly in a container, so deps do not have to be installed on host
 - Adds a command line option '--preserve-data' that ensures that
   collected data will be left after tests run. This also allows the
   directory to store collected data in during the run command to be
   specified using '--data-dir'.
 - Updated Read the Docs testing page and doc strings for pep 257
   compliance

1 files changed, 14 insertions, 15 deletions

diff --git a/tests/cloud_tests/manage.py b/tests/cloud_tests/manage.py
index 5342612b..5f0cfd23 100644
--- a/tests/cloud_tests/manage.py
+++ b/tests/cloud_tests/manage.py
@@ -1,11 +1,15 @@
 # This file is part of cloud-init. See LICENSE file for license information.
 
+"""Create test cases automatically given a user_data script."""
+
+import os
+import textwrap
+
+from cloudinit import util as c_util
 from tests.cloud_tests.config import VERIFY_EXT
 from tests.cloud_tests import (config, util)
 from tests.cloud_tests import TESTCASES_DIR
 
-import os
-import textwrap
 
 _verifier_fmt = textwrap.dedent(
     """
@@ -35,29 +39,24 @@ _config_fmt = textwrap.dedent(
 
 
 def write_testcase_config(args, fmt_args, testcase_file):
-    """
-    write the testcase config file
-    """
+    """Write the testcase config file."""
     testcase_config = {'enabled': args.enable, 'collect_scripts': {}}
     if args.config:
         testcase_config['cloud_config'] = args.config
     fmt_args['config'] = util.yaml_format(testcase_config)
-    util.write_file(testcase_file, _config_fmt.format(**fmt_args), omode='w')
+    c_util.write_file(testcase_file, _config_fmt.format(**fmt_args), omode='w')
 
 
 def write_verifier(args, fmt_args, verifier_file):
-    """
-    write the verifier script
-    """
+    """Write the verifier script."""
     fmt_args['test_class'] = 'Test{}'.format(
-        config.name_sanatize(fmt_args['test_name']).title())
-    util.write_file(verifier_file, _verifier_fmt.format(**fmt_args), omode='w')
+        config.name_sanitize(fmt_args['test_name']).title())
+    c_util.write_file(verifier_file,
+                      _verifier_fmt.format(**fmt_args), omode='w')
 
 
 def create(args):
-    """
-    create a new testcase
-    """
+    """Create a new testcase."""
     (test_category, test_name) = args.name.split('/')
     fmt_args = {'test_name': test_name, 'test_category': test_category,
                 'test_description': str(args.description)}
@@ -65,7 +64,7 @@ def create(args):
     testcase_file = config.name_to_path(args.name)
     verifier_file = os.path.join(
         TESTCASES_DIR, test_category,
-        config.name_sanatize(test_name) + VERIFY_EXT)
+        config.name_sanitize(test_name) + VERIFY_EXT)
 
     write_testcase_config(args, fmt_args, testcase_file)
     write_verifier(args, fmt_args, verifier_file)