unify functest_yaml obtain process

functest_yaml is needed in almost all of the testcases, the obtain process is the same:
with open(os.environ["CONFIG_FUNCTEST_YAML"]) as f:
functest_yaml = yaml.safe_load(f)
f.close()
abstract a method to unify the process, and provide the interface

JIRA: FUNCTEST-447

Change-Id: I96a9a9962d7b466f10bbd3b5ab2495957524e22a
Signed-off-by: SerenaFeng <feng.xiaowei@zte.com.cn>

1 files changed, 3 insertions, 6 deletions

diff --git a/testcases/features/promise.py b/testcases/features/promise.py
index 3728adfe..3f58dcee 100755
--- a/testcases/features/promise.py
+++ b/testcases/features/promise.py
@@ -9,20 +9,18 @@
 #
 # Maintainer : jose.lausuch@ericsson.com
 #
-import argparse
 import json
 import os
 import subprocess
 import time
 
+import argparse
 import functest.utils.functest_logger as ft_logger
 import functest.utils.functest_utils as functest_utils
 import functest.utils.openstack_utils as openstack_utils
 import keystoneclient.v2_0.client as ksclient
-from neutronclient.v2_0 import client as ntclient
 import novaclient.client as nvclient
-import yaml
-
+from neutronclient.v2_0 import client as ntclient
 
 parser = argparse.ArgumentParser()
 
@@ -32,8 +30,7 @@ parser.add_argument("-r", "--report",
                     action="store_true")
 args = parser.parse_args()
 
-with open(os.environ["CONFIG_FUNCTEST_YAML"]) as f:
-    functest_yaml = yaml.safe_load(f)
+functest_yaml = functest_utils.get_functest_yaml()
 
 dirs = functest_yaml.get('general').get('directories')
 PROMISE_REPO = dirs.get('dir_repo_promise')